diff options
author | David Sterba <dsterba@suse.com> | 2019-10-29 19:20:18 +0100 |
---|---|---|
committer | David Sterba <dsterba@suse.com> | 2019-11-18 17:51:51 +0100 |
commit | 32da5386d9a4fd5c1155cecf703df104d918954c (patch) | |
tree | 2b6ea5d3c788700ac9f1fe3d71594213b15141e4 /fs | |
parent | d49a2ddb1568d533ef3b77841a3ea1ff5bfa8b98 (diff) | |
download | linux-32da5386d9a4fd5c1155cecf703df104d918954c.tar.gz linux-32da5386d9a4fd5c1155cecf703df104d918954c.tar.bz2 linux-32da5386d9a4fd5c1155cecf703df104d918954c.zip |
btrfs: rename btrfs_block_group_cache
The type name is misleading, a single entry is named 'cache' while this
normally means a collection of objects. Rename that everywhere. Also the
identifier was quite long, making function prototypes harder to format.
Suggested-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs')
-rw-r--r-- | fs/btrfs/block-group.c | 128 | ||||
-rw-r--r-- | fs/btrfs/block-group.h | 45 | ||||
-rw-r--r-- | fs/btrfs/ctree.h | 14 | ||||
-rw-r--r-- | fs/btrfs/disk-io.c | 8 | ||||
-rw-r--r-- | fs/btrfs/extent-tree.c | 67 | ||||
-rw-r--r-- | fs/btrfs/free-space-cache.c | 71 | ||||
-rw-r--r-- | fs/btrfs/free-space-cache.h | 39 | ||||
-rw-r--r-- | fs/btrfs/free-space-tree.c | 50 | ||||
-rw-r--r-- | fs/btrfs/free-space-tree.h | 18 | ||||
-rw-r--r-- | fs/btrfs/inode.c | 4 | ||||
-rw-r--r-- | fs/btrfs/ioctl.c | 2 | ||||
-rw-r--r-- | fs/btrfs/qgroup.c | 2 | ||||
-rw-r--r-- | fs/btrfs/qgroup.h | 2 | ||||
-rw-r--r-- | fs/btrfs/reada.c | 2 | ||||
-rw-r--r-- | fs/btrfs/relocation.c | 13 | ||||
-rw-r--r-- | fs/btrfs/scrub.c | 11 | ||||
-rw-r--r-- | fs/btrfs/space-info.c | 2 | ||||
-rw-r--r-- | fs/btrfs/sysfs.c | 4 | ||||
-rw-r--r-- | fs/btrfs/sysfs.h | 2 | ||||
-rw-r--r-- | fs/btrfs/tests/btrfs-tests.c | 6 | ||||
-rw-r--r-- | fs/btrfs/tests/btrfs-tests.h | 4 | ||||
-rw-r--r-- | fs/btrfs/tests/free-space-tests.c | 15 | ||||
-rw-r--r-- | fs/btrfs/tests/free-space-tree-tests.c | 26 | ||||
-rw-r--r-- | fs/btrfs/transaction.c | 6 | ||||
-rw-r--r-- | fs/btrfs/volumes.c | 6 |
25 files changed, 266 insertions, 281 deletions
diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c index 3ed853acfa05..d96561d1ce90 100644 --- a/fs/btrfs/block-group.c +++ b/fs/btrfs/block-group.c @@ -120,12 +120,12 @@ u64 btrfs_get_alloc_profile(struct btrfs_fs_info *fs_info, u64 orig_flags) return get_alloc_profile(fs_info, orig_flags); } -void btrfs_get_block_group(struct btrfs_block_group_cache *cache) +void btrfs_get_block_group(struct btrfs_block_group *cache) { atomic_inc(&cache->count); } -void btrfs_put_block_group(struct btrfs_block_group_cache *cache) +void btrfs_put_block_group(struct btrfs_block_group *cache) { if (atomic_dec_and_test(&cache->count)) { WARN_ON(cache->pinned > 0); @@ -149,19 +149,18 @@ void btrfs_put_block_group(struct btrfs_block_group_cache *cache) * This adds the block group to the fs_info rb tree for the block group cache */ static int btrfs_add_block_group_cache(struct btrfs_fs_info *info, - struct btrfs_block_group_cache *block_group) + struct btrfs_block_group *block_group) { struct rb_node **p; struct rb_node *parent = NULL; - struct btrfs_block_group_cache *cache; + struct btrfs_block_group *cache; spin_lock(&info->block_group_cache_lock); p = &info->block_group_cache_tree.rb_node; while (*p) { parent = *p; - cache = rb_entry(parent, struct btrfs_block_group_cache, - cache_node); + cache = rb_entry(parent, struct btrfs_block_group, cache_node); if (block_group->start < cache->start) { p = &(*p)->rb_left; } else if (block_group->start > cache->start) { @@ -188,10 +187,10 @@ static int btrfs_add_block_group_cache(struct btrfs_fs_info *info, * This will return the block group at or after bytenr if contains is 0, else * it will return the block group that contains the bytenr */ -static struct btrfs_block_group_cache *block_group_cache_tree_search( +static struct btrfs_block_group *block_group_cache_tree_search( struct btrfs_fs_info *info, u64 bytenr, int contains) { - struct btrfs_block_group_cache *cache, *ret = NULL; + struct btrfs_block_group *cache, *ret = NULL; struct rb_node *n; u64 end, start; @@ -199,8 +198,7 @@ static struct btrfs_block_group_cache *block_group_cache_tree_search( n = info->block_group_cache_tree.rb_node; while (n) { - cache = rb_entry(n, struct btrfs_block_group_cache, - cache_node); + cache = rb_entry(n, struct btrfs_block_group, cache_node); end = cache->start + cache->length - 1; start = cache->start; @@ -232,7 +230,7 @@ static struct btrfs_block_group_cache *block_group_cache_tree_search( /* * Return the block group that starts at or after bytenr */ -struct btrfs_block_group_cache *btrfs_lookup_first_block_group( +struct btrfs_block_group *btrfs_lookup_first_block_group( struct btrfs_fs_info *info, u64 bytenr) { return block_group_cache_tree_search(info, bytenr, 0); @@ -241,14 +239,14 @@ struct btrfs_block_group_cache *btrfs_lookup_first_block_group( /* * Return the block group that contains the given bytenr */ -struct btrfs_block_group_cache *btrfs_lookup_block_group( +struct btrfs_block_group *btrfs_lookup_block_group( struct btrfs_fs_info *info, u64 bytenr) { return block_group_cache_tree_search(info, bytenr, 1); } -struct btrfs_block_group_cache *btrfs_next_block_group( - struct btrfs_block_group_cache *cache) +struct btrfs_block_group *btrfs_next_block_group( + struct btrfs_block_group *cache) { struct btrfs_fs_info *fs_info = cache->fs_info; struct rb_node *node; @@ -266,8 +264,7 @@ struct btrfs_block_group_cache *btrfs_next_block_group( node = rb_next(&cache->cache_node); btrfs_put_block_group(cache); if (node) { - cache = rb_entry(node, struct btrfs_block_group_cache, - cache_node); + cache = rb_entry(node, struct btrfs_block_group, cache_node); btrfs_get_block_group(cache); } else cache = NULL; @@ -277,7 +274,7 @@ struct btrfs_block_group_cache *btrfs_next_block_group( bool btrfs_inc_nocow_writers(struct btrfs_fs_info *fs_info, u64 bytenr) { - struct btrfs_block_group_cache *bg; + struct btrfs_block_group *bg; bool ret = true; bg = btrfs_lookup_block_group(fs_info, bytenr); @@ -300,7 +297,7 @@ bool btrfs_inc_nocow_writers(struct btrfs_fs_info *fs_info, u64 bytenr) void btrfs_dec_nocow_writers(struct btrfs_fs_info *fs_info, u64 bytenr) { - struct btrfs_block_group_cache *bg; + struct btrfs_block_group *bg; bg = btrfs_lookup_block_group(fs_info, bytenr); ASSERT(bg); @@ -314,7 +311,7 @@ void btrfs_dec_nocow_writers(struct btrfs_fs_info *fs_info, u64 bytenr) btrfs_put_block_group(bg); } -void btrfs_wait_nocow_writers(struct btrfs_block_group_cache *bg) +void btrfs_wait_nocow_writers(struct btrfs_block_group *bg) { wait_var_event(&bg->nocow_writers, !atomic_read(&bg->nocow_writers)); } @@ -322,7 +319,7 @@ void btrfs_wait_nocow_writers(struct btrfs_block_group_cache *bg) void btrfs_dec_block_group_reservations(struct btrfs_fs_info *fs_info, const u64 start) { - struct btrfs_block_group_cache *bg; + struct btrfs_block_group *bg; bg = btrfs_lookup_block_group(fs_info, start); ASSERT(bg); @@ -331,7 +328,7 @@ void btrfs_dec_block_group_reservations(struct btrfs_fs_info *fs_info, btrfs_put_block_group(bg); } -void btrfs_wait_block_group_reservations(struct btrfs_block_group_cache *bg) +void btrfs_wait_block_group_reservations(struct btrfs_block_group *bg) { struct btrfs_space_info *space_info = bg->space_info; @@ -357,7 +354,7 @@ void btrfs_wait_block_group_reservations(struct btrfs_block_group_cache *bg) } struct btrfs_caching_control *btrfs_get_caching_control( - struct btrfs_block_group_cache *cache) + struct btrfs_block_group *cache) { struct btrfs_caching_control *ctl; @@ -392,7 +389,7 @@ void btrfs_put_caching_control(struct btrfs_caching_control *ctl) * Callers of this must check if cache->cached == BTRFS_CACHE_ERROR before using * any of the information in this block group. */ -void btrfs_wait_block_group_cache_progress(struct btrfs_block_group_cache *cache, +void btrfs_wait_block_group_cache_progress(struct btrfs_block_group *cache, u64 num_bytes) { struct btrfs_caching_control *caching_ctl; @@ -401,13 +398,13 @@ void btrfs_wait_block_group_cache_progress(struct btrfs_block_group_cache *cache if (!caching_ctl) return; - wait_event(caching_ctl->wait, btrfs_block_group_cache_done(cache) || + wait_event(caching_ctl->wait, btrfs_block_group_done(cache) || (cache->free_space_ctl->free_space >= num_bytes)); btrfs_put_caching_control(caching_ctl); } -int btrfs_wait_block_group_cache_done(struct btrfs_block_group_cache *cache) +int btrfs_wait_block_group_cache_done(struct btrfs_block_group *cache) { struct btrfs_caching_control *caching_ctl; int ret = 0; @@ -416,7 +413,7 @@ int btrfs_wait_block_group_cache_done(struct btrfs_block_group_cache *cache) if (!caching_ctl) return (cache->cached == BTRFS_CACHE_ERROR) ? -EIO : 0; - wait_event(caching_ctl->wait, btrfs_block_group_cache_done(cache)); + wait_event(caching_ctl->wait, btrfs_block_group_done(cache)); if (cache->cached == BTRFS_CACHE_ERROR) ret = -EIO; btrfs_put_caching_control(caching_ctl); @@ -424,7 +421,7 @@ int btrfs_wait_block_group_cache_done(struct btrfs_block_group_cache *cache) } #ifdef CONFIG_BTRFS_DEBUG -static void fragment_free_space(struct btrfs_block_group_cache *block_group) +static void fragment_free_space(struct btrfs_block_group *block_group) { struct btrfs_fs_info *fs_info = block_group->fs_info; u64 start = block_group->start; @@ -450,8 +447,7 @@ static void fragment_free_space(struct btrfs_block_group_cache *block_group) * used yet since their free space will be released as soon as the transaction * commits. */ -u64 add_new_free_space(struct btrfs_block_group_cache *block_group, - u64 start, u64 end) +u64 add_new_free_space(struct btrfs_block_group *block_group, u64 start, u64 end) { struct btrfs_fs_info *info = block_group->fs_info; u64 extent_start, extent_end, size, total_added = 0; @@ -491,7 +487,7 @@ u64 add_new_free_space(struct btrfs_block_group_cache *block_group, static int load_extent_tree_free(struct btrfs_caching_control *caching_ctl) { - struct btrfs_block_group_cache *block_group = caching_ctl->block_group; + struct btrfs_block_group *block_group = caching_ctl->block_group; struct btrfs_fs_info *fs_info = block_group->fs_info; struct btrfs_root *extent_root = fs_info->extent_root; struct btrfs_path *path; @@ -626,7 +622,7 @@ out: static noinline void caching_thread(struct btrfs_work *work) { - struct btrfs_block_group_cache *block_group; + struct btrfs_block_group *block_group; struct btrfs_fs_info *fs_info; struct btrfs_caching_control *caching_ctl; int ret; @@ -674,8 +670,7 @@ static noinline void caching_thread(struct btrfs_work *work) btrfs_put_block_group(block_group); } -int btrfs_cache_block_group(struct btrfs_block_group_cache *cache, - int load_cache_only) +int btrfs_cache_block_group(struct btrfs_block_group *cache, int load_cache_only) { DEFINE_WAIT(wait); struct btrfs_fs_info *fs_info = cache->fs_info; @@ -867,7 +862,7 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info = trans->fs_info; struct btrfs_root *root = fs_info->extent_root; struct btrfs_path *path; - struct btrfs_block_group_cache *block_group; + struct btrfs_block_group *block_group; struct btrfs_free_cluster *cluster; struct btrfs_root *tree_root = fs_info->tree_root; struct btrfs_key key; @@ -1185,7 +1180,7 @@ struct btrfs_trans_handle *btrfs_start_trans_remove_block_group( * data in this block group. That check should be done by relocation routine, * not this function. */ -static int inc_block_group_ro(struct btrfs_block_group_cache *cache, int force) +static int inc_block_group_ro(struct btrfs_block_group *cache, int force) { struct btrfs_space_info *sinfo = cache->space_info; u64 num_bytes; @@ -1251,7 +1246,7 @@ out: */ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info) { - struct btrfs_block_group_cache *block_group; + struct btrfs_block_group *block_group; struct btrfs_space_info *space_info; struct btrfs_trans_handle *trans; int ret = 0; @@ -1265,7 +1260,7 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info) int trimming; block_group = list_first_entry(&fs_info->unused_bgs, - struct btrfs_block_group_cache, + struct btrfs_block_group, bg_list); list_del_init(&block_group->bg_list); @@ -1413,7 +1408,7 @@ next: spin_unlock(&fs_info->unused_bgs_lock); } -void btrfs_mark_bg_unused(struct btrfs_block_group_cache *bg) +void btrfs_mark_bg_unused(struct btrfs_block_group *bg) { struct btrfs_fs_info *fs_info = bg->fs_info; @@ -1521,7 +1516,7 @@ static void set_avail_alloc_bits(struct btrfs_fs_info *fs_info, u64 flags) write_sequnlock(&fs_info->profiles_lock); } -static int exclude_super_stripes(struct btrfs_block_group_cache *cache) +static int exclude_super_stripes(struct btrfs_block_group *cache) { struct btrfs_fs_info *fs_info = cache->fs_info; u64 bytenr; @@ -1576,7 +1571,7 @@ static int exclude_super_stripes(struct btrfs_block_group_cache *cache) return 0; } -static void link_block_group(struct btrfs_block_group_cache *cache) +static void link_block_group(struct btrfs_block_group *cache) { struct btrfs_space_info *space_info = cache->space_info; int index = btrfs_bg_flags_to_raid_index(cache->flags); @@ -1592,10 +1587,10 @@ static void link_block_group(struct btrfs_block_group_cache *cache) btrfs_sysfs_add_block_group_type(cache); } -static struct btrfs_block_group_cache *btrfs_create_block_group_cache( +static struct btrfs_block_group *btrfs_create_block_group_cache( struct btrfs_fs_info *fs_info, u64 start, u64 size) { - struct btrfs_block_group_cache *cache; + struct btrfs_block_group *cache; cache = kzalloc(sizeof(*cache), GFP_NOFS); if (!cache) @@ -1640,7 +1635,7 @@ static int check_chunk_block_group_mappings(struct btrfs_fs_info *fs_info) { struct extent_map_tree *map_tree = &fs_info->mapping_tree; struct extent_map *em; - struct btrfs_block_group_cache *bg; + struct btrfs_block_group *bg; u64 start = 0; int ret = 0; @@ -1692,7 +1687,7 @@ static int read_one_block_group(struct btrfs_fs_info *info, int need_clear) { struct extent_buffer *leaf = path->nodes[0]; - struct btrfs_block_group_cache *cache; + struct btrfs_block_group *cache; struct btrfs_space_info *space_info; struct btrfs_block_group_item bgi; const bool mixed = btrfs_fs_incompat(info, MIXED_GROUPS); @@ -1792,7 +1787,7 @@ int btrfs_read_block_groups(struct btrfs_fs_info *info) { struct btrfs_path *path; int ret; - struct btrfs_block_group_cache *cache; + struct btrfs_block_group *cache; struct btrfs_space_info *space_info; struct btrfs_key key; int need_clear = 0; @@ -1860,7 +1855,7 @@ error: void btrfs_create_pending_block_groups(struct btrfs_trans_handle *trans) { struct btrfs_fs_info *fs_info = trans->fs_info; - struct btrfs_block_group_cache *block_group; + struct btrfs_block_group *block_group; struct btrfs_root *extent_root = fs_info->extent_root; struct btrfs_block_group_item item; struct btrfs_key key; @@ -1871,7 +1866,7 @@ void btrfs_create_pending_block_groups(struct btrfs_trans_handle *trans) while (!list_empty(&trans->new_bgs)) { block_group = list_first_entry(&trans->new_bgs, - struct btrfs_block_group_cache, + struct btrfs_block_group, bg_list); if (ret) goto next; @@ -1906,7 +1901,7 @@ int btrfs_make_block_group(struct btrfs_trans_handle *trans, u64 bytes_used, u64 type, u64 chunk_offset, u64 size) { struct btrfs_fs_info *fs_info = trans->fs_info; - struct btrfs_block_group_cache *cache; + struct btrfs_block_group *cache; int ret; btrfs_set_log_full_commit(trans); @@ -2022,7 +2017,7 @@ static u64 update_block_group_flags(struct btrfs_fs_info *fs_info, u64 flags) return flags; } -int btrfs_inc_block_group_ro(struct btrfs_block_group_cache *cache) +int btrfs_inc_block_group_ro(struct btrfs_block_group *cache) { struct btrfs_fs_info *fs_info = cache->fs_info; @@ -2092,7 +2087,7 @@ out: return ret; } -void btrfs_dec_block_group_ro(struct btrfs_block_group_cache *cache) +void btrfs_dec_block_group_ro(struct btrfs_block_group *cache) { struct btrfs_space_info *sinfo = cache->space_info; u64 num_bytes; @@ -2113,7 +2108,7 @@ void btrfs_dec_block_group_ro(struct btrfs_block_group_cache *cache) static int write_one_cache_group(struct btrfs_trans_handle *trans, struct btrfs_path *path, - struct btrfs_block_group_cache *cache) + struct btrfs_block_group *cache) { struct btrfs_fs_info *fs_info = trans->fs_info; int ret; @@ -2148,7 +2143,7 @@ fail: } -static int cache_save_setup(struct btrfs_block_group_cache *block_group, +static int cache_save_setup(struct btrfs_block_group *block_group, struct btrfs_trans_handle *trans, struct btrfs_path *path) { @@ -2312,7 +2307,7 @@ out: int btrfs_setup_space_cache(struct btrfs_trans_handle *trans) { struct btrfs_fs_info *fs_info = trans->fs_info; - struct btrfs_block_group_cache *cache, *tmp; + struct btrfs_block_group *cache, *tmp; struct btrfs_transaction *cur_trans = trans->transaction; struct btrfs_path *path; @@ -2350,7 +2345,7 @@ int btrfs_setup_space_cache(struct btrfs_trans_handle *trans) int btrfs_start_dirty_block_groups(struct btrfs_trans_handle *trans) { struct btrfs_fs_info *fs_info = trans->fs_info; - struct btrfs_block_group_cache *cache; + struct btrfs_block_group *cache; struct btrfs_transaction *cur_trans = trans->transaction; int ret = 0; int should_put; @@ -2387,8 +2382,7 @@ again: while (!list_empty(&dirty)) { bool drop_reserve = true; - cache = list_first_entry(&dirty, - struct btrfs_block_group_cache, + cache = list_first_entry(&dirty, struct btrfs_block_group, dirty_list); /* * This can happen if something re-dirties a block group that @@ -2513,7 +2507,7 @@ again: int btrfs_write_dirty_block_groups(struct btrfs_trans_handle *trans) { struct btrfs_fs_info *fs_info = trans->fs_info; - struct btrfs_block_group_cache *cache; + struct btrfs_block_group *cache; struct btrfs_transaction *cur_trans = trans->transaction; int ret = 0; int should_put; @@ -2543,7 +2537,7 @@ int btrfs_write_dirty_block_groups(struct btrfs_trans_handle *trans) spin_lock(&cur_trans->dirty_bgs_lock); while (!list_empty(&cur_trans->dirty_bgs)) { cache = list_first_entry(&cur_trans->dirty_bgs, - struct btrfs_block_group_cache, + struct btrfs_block_group, dirty_list); /* @@ -2625,7 +2619,7 @@ int btrfs_write_dirty_block_groups(struct btrfs_trans_handle *trans) * to use it without any locking */ while (!list_empty(io)) { - cache = list_first_entry(io, struct btrfs_block_group_cache, + cache = list_first_entry(io, struct btrfs_block_group, io_list); list_del_init(&cache->io_list); btrfs_wait_cache_io(trans, cache, path); @@ -2640,7 +2634,7 @@ int btrfs_update_block_group(struct btrfs_trans_handle *trans, u64 bytenr, u64 num_bytes, int alloc) { struct btrfs_fs_info *info = trans->fs_info; - struct btrfs_block_group_cache *cache = NULL; + struct btrfs_block_group *cache = NULL; u64 total = num_bytes; u64 old_val; u64 byte_in_group; @@ -2671,7 +2665,7 @@ int btrfs_update_block_group(struct btrfs_trans_handle *trans, * is because we need the unpinning stage to actually add the * space back to the block group, otherwise we will leak space. */ - if (!alloc && !btrfs_block_group_cache_done(cache)) + if (!alloc && !btrfs_block_group_done(cache)) btrfs_cache_block_group(cache, 1); byte_in_group = bytenr - cache->start; @@ -2755,7 +2749,7 @@ int btrfs_update_block_group(struct btrfs_trans_handle *trans, * reservation and the block group has become read only we cannot make the * reservation and return -EAGAIN, otherwise this function always succeeds. */ -int btrfs_add_reserved_bytes(struct btrfs_block_group_cache *cache, +int btrfs_add_reserved_bytes(struct btrfs_block_group *cache, u64 ram_bytes, u64 num_bytes, int delalloc) { struct btrfs_space_info *space_info = cache->space_info; @@ -2791,7 +2785,7 @@ int btrfs_add_reserved_bytes(struct btrfs_block_group_cache *cache, * A and before transaction A commits you free that leaf, you call this with * reserve set to 0 in order to clear the reservation. */ -void btrfs_free_reserved_bytes(struct btrfs_block_group_cache *cache, +void btrfs_free_reserved_bytes(struct btrfs_block_group *cache, u64 num_bytes, int delalloc) { struct btrfs_space_info *space_info = cache->space_info; @@ -3054,7 +3048,7 @@ void check_system_chunk(struct btrfs_trans_handle *trans, u64 type) void btrfs_put_block_group_cache(struct btrfs_fs_info *info) { - struct btrfs_block_group_cache *block_group; + struct btrfs_block_group *block_group; u64 last = 0; while (1) { @@ -3094,7 +3088,7 @@ void btrfs_put_block_group_cache(struct btrfs_fs_info *info) */ int btrfs_free_block_groups(struct btrfs_fs_info *info) { - struct btrfs_block_group_cache *block_group; + struct btrfs_block_group *block_group; struct btrfs_space_info *space_info; struct btrfs_caching_control *caching_ctl; struct rb_node *n; @@ -3111,7 +3105,7 @@ int btrfs_free_block_groups(struct btrfs_fs_info *info) spin_lock(&info->unused_bgs_lock); while (!list_empty(&info->unused_bgs)) { block_group = list_first_entry(&info->unused_bgs, - struct btrfs_block_group_cache, + struct btrfs_block_group, bg_list); list_del_init(&block_group->bg_list); btrfs_put_block_group(block_group); @@ -3120,7 +3114,7 @@ int btrfs_free_block_groups(struct btrfs_fs_info *info) spin_lock(&info->block_group_cache_lock); while ((n = rb_last(&info->block_group_cache_tree)) != NULL) { - block_group = rb_entry(n, struct btrfs_block_group_cache, + block_group = rb_entry(n, struct btrfs_block_group, cache_node); rb_erase(&block_group->cache_node, &info->block_group_cache_tree); diff --git a/fs/btrfs/block-group.h b/fs/btrfs/block-group.h index 2ea580352aff..4e7afc028791 100644 --- a/fs/btrfs/block-group.h +++ b/fs/btrfs/block-group.h @@ -34,7 +34,7 @@ struct btrfs_caching_control { struct mutex mutex; wait_queue_head_t wait; struct btrfs_work work; - struct btrfs_block_group_cache *block_group; + struct btrfs_block_group *block_group; u64 progress; refcount_t count; }; @@ -42,7 +42,7 @@ struct btrfs_caching_control { /* Once caching_thread() finds this much free space, it will wake up waiters. */ #define CACHING_CTL_WAKE_UP SZ_2M -struct btrfs_block_group_cache { +struct btrfs_block_group { struct btrfs_fs_info *fs_info; struct inode *inode; spinlock_t lock; @@ -160,7 +160,7 @@ struct btrfs_block_group_cache { #ifdef CONFIG_BTRFS_DEBUG static inline int btrfs_should_fragment_free_space( - struct btrfs_block_group_cache *block_group) + struct btrfs_block_group *block_group) { struct btrfs_fs_info *fs_info = block_group->fs_info; @@ -171,29 +171,29 @@ static inline int btrfs_should_fragment_free_space( } #endif -struct btrfs_block_group_cache *btrfs_lookup_first_block_group( +struct btrfs_block_group *btrfs_lookup_first_block_group( struct btrfs_fs_info *info, u64 bytenr); -struct btrfs_block_group_cache *btrfs_lookup_block_group( +struct btrfs_block_group *btrfs_lookup_block_group( struct btrfs_fs_info *info, u64 bytenr); -struct btrfs_block_group_cache *btrfs_next_block_group( - struct btrfs_block_group_cache *cache); -void btrfs_get_block_group(struct btrfs_block_group_cache *cache); -void btrfs_put_block_group(struct btrfs_block_group_cache *cache); +struct btrfs_block_group *btrfs_next_block_group( + struct btrfs_block_group *cache); +void btrfs_get_block_group(struct btrfs_block_group *cache); +void btrfs_put_block_group(struct btrfs_block_group *cache); void btrfs_dec_block_group_reservations(struct btrfs_fs_info *fs_info, const u64 start); -void btrfs_wait_block_group_reservations(struct btrfs_block_group_cache *bg); +void btrfs_wait_block_group_reservations(struct btrfs_block_group *bg); bool btrfs_inc_nocow_writers(struct btrfs_fs_info *fs_info, u64 bytenr); void btrfs_dec_nocow_writers(struct btrfs_fs_info *fs_info, u64 bytenr); -void btrfs_wait_nocow_writers(struct btrfs_block_group_cache *bg); -void btrfs_wait_block_group_cache_progress(struct btrfs_block_group_cache *cache, +void btrfs_wait_nocow_writers(struct btrfs_block_group *bg); +void btrfs_wait_block_group_cache_progress(struct btrfs_block_group *cache, u64 num_bytes); -int btrfs_wait_block_group_cache_done(struct btrfs_block_group_cache *cache); -int btrfs_cache_block_group(struct btrfs_block_group_cache *cache, +int btrfs_wait_block_group_cache_done(struct btrfs_block_group *cache); +int btrfs_cache_block_group(struct btrfs_block_group *cache, int load_cache_only); void btrfs_put_caching_control(struct btrfs_caching_control *ctl); struct btrfs_caching_control *btrfs_get_caching_control( - struct btrfs_block_group_cache *cache); -u64 add_new_free_space(struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *cache); +u64 add_new_free_space(struct btrfs_block_group *block_group, u64 start, u64 end); struct btrfs_trans_handle *btrfs_start_trans_remove_block_group( struct btrfs_fs_info *fs_info, @@ -201,21 +201,21 @@ struct btrfs_trans_handle *btrfs_start_trans_remove_block_group( int btrfs_remove_block_group(struct btrfs_trans_handle *trans, u64 group_start, struct extent_map *em); void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info); -void btrfs_mark_bg_unused(struct btrfs_block_group_cache *bg); +void btrfs_mark_bg_unused(struct btrfs_block_group *bg); int btrfs_read_block_groups(struct btrfs_fs_info *info); int btrfs_make_block_group(struct btrfs_trans_handle *trans, u64 bytes_used, u64 type, u64 chunk_offset, u64 size); void btrfs_create_pending_block_groups(struct btrfs_trans_handle *trans); -int btrfs_inc_block_group_ro(struct btrfs_block_group_cache *cache); -void btrfs_dec_block_group_ro(struct btrfs_block_group_cache *cache); +int btrfs_inc_block_group_ro(struct btrfs_block_group *cache); +void btrfs_dec_block_group_ro(struct btrfs_block_group *cache); int btrfs_start_dirty_block_groups(struct btrfs_trans_handle *trans); int btrfs_write_dirty_block_groups(struct btrfs_trans_handle *trans); int btrfs_setup_space_cache(struct btrfs_trans_handle *trans); int btrfs_update_block_group(struct btrfs_trans_handle *trans, u64 bytenr, u64 num_bytes, int alloc); -int btrfs_add_reserved_bytes(struct btrfs_block_group_cache *cache, +int btrfs_add_reserved_bytes(struct btrfs_block_group *cache, u64 ram_bytes, u64 num_bytes, int delalloc); -void btrfs_free_reserved_bytes(struct btrfs_block_group_cache *cache, +void btrfs_free_reserved_bytes(struct btrfs_block_group *cache, u64 num_bytes, int delalloc); int btrfs_chunk_alloc(struct btrfs_trans_handle *trans, u64 flags, enum btrfs_chunk_alloc_enum force); @@ -240,8 +240,7 @@ static inline u64 btrfs_system_alloc_profile(struct btrfs_fs_info *fs_info) return btrfs_get_alloc_profile(fs_info, BTRFS_BLOCK_GROUP_SYSTEM); } -static inline int btrfs_block_group_cache_done( - struct btrfs_block_group_cache *cache) +static inline int btrfs_block_group_done(struct btrfs_block_group *cache) { smp_mb(); return cache->cached == BTRFS_CACHE_FINISHED || diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index e76b3cda13e3..b2e8fd8a8e59 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -39,7 +39,7 @@ struct btrfs_transaction; struct btrfs_pending_snapshot; struct btrfs_delayed_ref_root; struct btrfs_space_info; -struct btrfs_block_group_cache; +struct btrfs_block_group; extern struct kmem_cache *btrfs_trans_handle_cachep; extern struct kmem_cache *btrfs_bit_radix_cachep; extern struct kmem_cache *btrfs_path_cachep; @@ -415,7 +415,7 @@ struct btrfs_free_cluster { /* We did a full search and couldn't create a cluster */ bool fragmented; - struct btrfs_block_group_cache *block_group; + struct btrfs_block_group *block_group; /* * when a cluster is allocated from a block group, we put the * cluster onto a list in the block group so that it can @@ -478,8 +478,8 @@ struct btrfs_swapfile_pin { void *ptr; struct inode *inode; /* - * If true, ptr points to a struct btrfs_block_group_cache. Otherwise, - * ptr points to a struct btrfs_device. + * If true, ptr points to a struct btrfs_block_group. Otherwise, ptr + * points to a struct btrfs_device. */ bool is_block_group; }; @@ -2401,7 +2401,7 @@ static inline u64 btrfs_calc_metadata_size(struct btrfs_fs_info *fs_info, int btrfs_add_excluded_extent(struct btrfs_fs_info *fs_info, u64 start, u64 num_bytes); -void btrfs_free_excluded_extents(struct btrfs_block_group_cache *cache); +void btrfs_free_excluded_extents(struct btrfs_block_group *cache); int btrfs_run_delayed_refs(struct btrfs_trans_handle *trans, unsigned long count); void btrfs_cleanup_ref_head_accounting(struct btrfs_fs_info *fs_info, @@ -2457,8 +2457,8 @@ int btrfs_inc_extent_ref(struct btrfs_trans_handle *trans, struct btrfs_ref *generic_ref); int btrfs_extent_readonly(struct btrfs_fs_info *fs_info, u64 bytenr); -void btrfs_get_block_group_trimming(struct btrfs_block_group_cache *cache); -void btrfs_put_block_group_trimming(struct btrfs_block_group_cache *cache); +void btrfs_get_block_group_trimming(struct btrfs_block_group *cache); +void btrfs_put_block_group_trimming(struct btrfs_block_group *cache); void btrfs_clear_space_info_full(struct btrfs_fs_info *info); enum btrfs_reserve_flush_enum { diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index ddb39f76f71a..8783d86f487d 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -4409,7 +4409,7 @@ again: return 0; } -static void btrfs_cleanup_bg_io(struct btrfs_block_group_cache *cache) +static void btrfs_cleanup_bg_io(struct btrfs_block_group *cache) { struct inode *inode; @@ -4426,12 +4426,12 @@ static void btrfs_cleanup_bg_io(struct btrfs_block_group_cache *cache) void btrfs_cleanup_dirty_bgs(struct btrfs_transaction *cur_trans, struct btrfs_fs_info *fs_info) { - struct btrfs_block_group_cache *cache; + struct btrfs_block_group *cache; spin_lock(&cur_trans->dirty_bgs_lock); while (!list_empty(&cur_trans->dirty_bgs)) { cache = list_first_entry(&cur_trans->dirty_bgs, - struct btrfs_block_group_cache, + struct btrfs_block_group, dirty_list); if (!list_empty(&cache->io_list)) { @@ -4459,7 +4459,7 @@ void btrfs_cleanup_dirty_bgs(struct btrfs_transaction *cur_trans, */ while (!list_empty(&cur_trans->io_bgs)) { cache = list_first_entry(&cur_trans->io_bgs, - struct btrfs_block_group_cache, + struct btrfs_block_group, io_list); list_del_init(&cache->io_list); diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index f9091bd41e99..153f71a5bba9 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -54,7 +54,7 @@ static int alloc_reserved_tree_block(struct btrfs_trans_handle *trans, static int find_next_key(struct btrfs_path *path, int level, struct btrfs_key *key); -static int block_group_bits(struct btrfs_block_group_cache *cache, u64 bits) +static int block_group_bits(struct btrfs_block_group *cache, u64 bits) { return (cache->flags & bits) == bits; } @@ -70,7 +70,7 @@ int btrfs_add_excluded_extent(struct btrfs_fs_info *fs_info, return 0; } -void btrfs_free_excluded_extents(struct btrfs_block_group_cache *cache) +void btrfs_free_excluded_extents(struct btrfs_block_group *cache) { struct btrfs_fs_info *fs_info = cache->fs_info; u64 start, end; @@ -2537,7 +2537,7 @@ int btrfs_dec_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root, int btrfs_extent_readonly(struct btrfs_fs_info *fs_info, u64 bytenr) { - struct btrfs_block_group_cache *block_group; + struct btrfs_block_group *block_group; int readonly = 0; block_group = btrfs_lookup_block_group(fs_info, bytenr); @@ -2567,7 +2567,7 @@ static u64 get_alloc_profile_by_root(struct btrfs_root *root, int data) static u64 first_logical_byte(struct btrfs_fs_info *fs_info, u64 search_start) { - struct btrfs_block_group_cache *cache; + struct btrfs_block_group *cache; u64 bytenr; spin_lock(&fs_info->block_group_cache_lock); @@ -2587,7 +2587,7 @@ static u64 first_logical_byte(struct btrfs_fs_info *fs_info, u64 search_start) return bytenr; } -static int pin_down_extent(struct btrfs_block_group_cache *cache, +static int pin_down_extent(struct btrfs_block_group *cache, u64 bytenr, u64 num_bytes, int reserved) { struct btrfs_fs_info *fs_info = cache->fs_info; @@ -2614,7 +2614,7 @@ static int pin_down_extent(struct btrfs_block_group_cache *cache, int btrfs_pin_extent(struct btrfs_fs_info *fs_info, u64 bytenr, u64 num_bytes, int reserved) { - struct btrfs_block_group_cache *cache; + struct btrfs_block_group *cache; ASSERT(fs_info->running_transaction); @@ -2633,7 +2633,7 @@ int btrfs_pin_extent(struct btrfs_fs_info *fs_info, int btrfs_pin_extent_for_log_replay(struct btrfs_fs_info *fs_info, u64 bytenr, u64 num_bytes) { - struct btrfs_block_group_cache *cache; + struct btrfs_block_group *cache; int ret; cache = btrfs_lookup_block_group(fs_info, bytenr); @@ -2660,7 +2660,7 @@ static int __exclude_logged_extent(struct btrfs_fs_info *fs_info, u64 start, u64 num_bytes) { int ret; - struct btrfs_block_group_cache *block_group; + struct btrfs_block_group *block_group; struct btrfs_caching_control *caching_ctl; block_group = btrfs_lookup_block_group(fs_info, start); @@ -2672,7 +2672,7 @@ static int __exclude_logged_extent(struct btrfs_fs_info *fs_info, if (!caching_ctl) { /* Logic error */ - BUG_ON(!btrfs_block_group_cache_done(block_group)); + BUG_ON(!btrfs_block_group_done(block_group)); ret = btrfs_remove_free_space(block_group, start, num_bytes); } else { mutex_lock(&caching_ctl->mutex); @@ -2737,7 +2737,7 @@ int btrfs_exclude_logged_extents(struct extent_buffer *eb) } static void -btrfs_inc_block_group_reservations(struct btrfs_block_group_cache *bg) +btrfs_inc_block_group_reservations(struct btrfs_block_group *bg) { atomic_inc(&bg->reservations); } @@ -2746,14 +2746,14 @@ void btrfs_prepare_extent_commit(struct btrfs_fs_info *fs_info) { struct btrfs_caching_control *next; struct btrfs_caching_control *caching_ctl; - struct btrfs_block_group_cache *cache; + struct btrfs_block_group *cache; down_write(&fs_info->commit_root_sem); list_for_each_entry_safe(caching_ctl, next, &fs_info->caching_block_groups, list) { cache = caching_ctl->block_group; - if (btrfs_block_group_cache_done(cache)) { + if (btrfs_block_group_done(cache)) { cache->last_byte_to_unpin = (u64)-1; list_del_init(&caching_ctl->list); btrfs_put_caching_control(caching_ctl); @@ -2805,7 +2805,7 @@ static int unpin_extent_range(struct btrfs_fs_info *fs_info, u64 start, u64 end, const bool return_free_space) { - struct btrfs_block_group_cache *cache = NULL; + struct btrfs_block_group *cache = NULL; struct btrfs_space_info *space_info; struct btrfs_block_rsv *global_rsv = &fs_info->global_block_rsv; struct btrfs_free_cluster *cluster = NULL; @@ -2900,7 +2900,7 @@ static int unpin_extent_range(struct btrfs_fs_info *fs_info, int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans) { struct btrfs_fs_info *fs_info = trans->fs_info; - struct btrfs_block_group_cache *block_group, *tmp; + struct btrfs_block_group *block_group, *tmp; struct list_head *deleted_bgs; struct extent_io_tree *unpin; u64 start; @@ -3282,7 +3282,7 @@ void btrfs_free_tree_block(struct btrfs_trans_handle *trans, } if (last_ref && btrfs_header_generation(buf) == trans->transid) { - struct btrfs_block_group_cache *cache; + struct btrfs_block_group *cache; if (root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID) { ret = check_ref_cleanup(trans, buf->start); @@ -3369,15 +3369,14 @@ enum btrfs_loop_type { }; static inline void -btrfs_lock_block_group(struct btrfs_block_group_cache *cache, +btrfs_lock_block_group(struct btrfs_block_group *cache, int delalloc) { if (delalloc) down_read(&cache->data_rwsem); } -static inline void -btrfs_grab_block_group(struct btrfs_block_group_cache *cache, +static inline void btrfs_grab_block_group(struct btrfs_block_group *cache, int delalloc) { btrfs_get_block_group(cache); @@ -3385,12 +3384,12 @@ btrfs_grab_block_group(struct btrfs_block_group_cache *cache, down_read(&cache->data_rwsem); } -static struct btrfs_block_group_cache * -btrfs_lock_cluster(struct btrfs_block_group_cache *block_group, +static struct btrfs_block_group *btrfs_lock_cluster( + struct btrfs_block_group *block_group, struct btrfs_free_cluster *cluster, int delalloc) { - struct btrfs_block_group_cache *used_bg = NULL; + struct btrfs_block_group *used_bg = NULL; spin_lock(&cluster->refill_lock); while (1) { @@ -3424,7 +3423,7 @@ btrfs_lock_cluster(struct btrfs_block_group_cache *block_group, } static inline void -btrfs_release_block_group(struct btrfs_block_group_cache *cache, +btrfs_release_block_group(struct btrfs_block_group *cache, int delalloc) { if (delalloc) @@ -3495,12 +3494,12 @@ struct find_free_extent_ctl { * Return >0 to inform caller that we find nothing * Return 0 means we have found a location and set ffe_ctl->found_offset. */ -static int find_free_extent_clustered(struct btrfs_block_group_cache *bg, +static int find_free_extent_clustered(struct btrfs_block_group *bg, struct btrfs_free_cluster *last_ptr, struct find_free_extent_ctl *ffe_ctl, - struct btrfs_block_group_cache **cluster_bg_ret) + struct btrfs_block_group **cluster_bg_ret) { - struct btrfs_block_group_cache *cluster_bg; + struct btrfs_block_group *cluster_bg; u64 aligned_cluster; u64 offset; int ret; @@ -3599,7 +3598,7 @@ refill_cluster: * Return 0 when we found an free extent and set ffe_ctrl->found_offset * Return -EAGAIN to inform caller that we need to re-search this block group */ -static int find_free_extent_unclustered(struct btrfs_block_group_cache *bg, +static int find_free_extent_unclustered(struct btrfs_block_group *bg, struct btrfs_free_cluster *last_ptr, struct find_free_extent_ctl *ffe_ctl) { @@ -3801,7 +3800,7 @@ static noinline int find_free_extent(struct btrfs_fs_info *fs_info, { int ret = 0; struct btrfs_free_cluster *last_ptr = NULL; - struct btrfs_block_group_cache *block_group = NULL; + struct btrfs_block_group *block_group = NULL; struct find_free_extent_ctl ffe_ctl = {0}; struct btrfs_space_info *space_info; bool use_cluster = true; @@ -3955,7 +3954,7 @@ search: } have_block_group: - ffe_ctl.cached = btrfs_block_group_cache_done(block_group); + ffe_ctl.cached = btrfs_block_group_done(block_group); if (unlikely(!ffe_ctl.cached)) { ffe_ctl.have_caching_bg = true; ret = btrfs_cache_block_group(block_group, 0); @@ -3971,7 +3970,7 @@ have_block_group: * lets look there */ if (last_ptr && use_cluster) { - struct btrfs_block_group_cache *cluster_bg = NULL; + struct btrfs_block_group *cluster_bg = NULL; ret = find_free_extent_clustered(block_group, last_ptr, &ffe_ctl, &cluster_bg); @@ -4153,7 +4152,7 @@ static int __btrfs_free_reserved_extent(struct btrfs_fs_info *fs_info, u64 start, u64 len, int pin, int delalloc) { - struct btrfs_block_group_cache *cache; + struct btrfs_block_group *cache; int ret = 0; cache = btrfs_lookup_block_group(fs_info, start); @@ -4386,7 +4385,7 @@ int btrfs_alloc_logged_file_extent(struct btrfs_trans_handle *trans, { struct btrfs_fs_info *fs_info = trans->fs_info; int ret; - struct btrfs_block_group_cache *block_group; + struct btrfs_block_group *block_group; struct btrfs_space_info *space_info; /* @@ -5500,7 +5499,7 @@ int btrfs_drop_subtree(struct btrfs_trans_handle *trans, */ u64 btrfs_account_ro_block_groups_free_space(struct btrfs_space_info *sinfo) { - struct btrfs_block_group_cache *block_group; + struct btrfs_block_group *block_group; u64 free_bytes = 0; int factor; @@ -5642,7 +5641,7 @@ static int btrfs_trim_free_extents(struct btrfs_device *device, u64 *trimmed) */ int btrfs_trim_fs(struct btrfs_fs_info *fs_info, struct fstrim_range *range) { - struct btrfs_block_group_cache *cache = NULL; + struct btrfs_block_group *cache = NULL; struct btrfs_device *device; struct list_head *devices; u64 group_trimmed; @@ -5675,7 +5674,7 @@ int btrfs_trim_fs(struct btrfs_fs_info *fs_info, struct fstrim_range *range) end = min(range_end, cache->start + cache->length); if (end - start >= range->minlen) { - if (!btrfs_block_group_cache_done(cache)) { + if (!btrfs_block_group_done(cache)) { ret = btrfs_cache_block_group(cache, 0); if (ret) { bg_failed++; diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index 279c41c4ba50..3283da419200 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -91,8 +91,7 @@ static struct inode *__lookup_free_space_inode(struct btrfs_root *root, return inode; } -struct inode *lookup_free_space_inode( - struct btrfs_block_group_cache *block_group, +struct inode *lookup_free_space_inode(struct btrfs_block_group *block_group, struct btrfs_path *path) { struct btrfs_fs_info *fs_info = block_group->fs_info; @@ -190,7 +189,7 @@ static int __create_free_space_inode(struct btrfs_root *root, } int create_free_space_inode(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_path *path) { int ret; @@ -224,7 +223,7 @@ int btrfs_check_trunc_cache_free_space(struct btrfs_fs_info *fs_info, } int btrfs_truncate_free_space_cache(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct inode *inode) { struct btrfs_root *root = BTRFS_I(inode)->root; @@ -820,7 +819,7 @@ free_cache: goto out; } -int load_free_space_cache(struct btrfs_block_group_cache *block_group) +int load_free_space_cache(struct btrfs_block_group *block_group) { struct btrfs_fs_info *fs_info = block_group->fs_info; struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl; @@ -919,7 +918,7 @@ out: static noinline_for_stack int write_cache_extent_entries(struct btrfs_io_ctl *io_ctl, struct btrfs_free_space_ctl *ctl, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, int *entries, int *bitmaps, struct list_head *bitmap_list) { @@ -1047,7 +1046,7 @@ fail: } static noinline_for_stack int write_pinned_extent_entries( - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_io_ctl *io_ctl, int *entries) { @@ -1146,7 +1145,7 @@ cleanup_write_cache_enospc(struct inode *inode, static int __btrfs_wait_cache_io(struct btrfs_root *root, struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_io_ctl *io_ctl, struct btrfs_path *path, u64 offset) { @@ -1215,7 +1214,7 @@ static int btrfs_wait_cache_io_root(struct btrfs_root *root, } int btrfs_wait_cache_io(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_path *path) { return __btrfs_wait_cache_io(block_group->fs_info->tree_root, trans, @@ -1236,7 +1235,7 @@ int btrfs_wait_cache_io(struct btrfs_trans_handle *trans, */ static int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode, struct btrfs_free_space_ctl *ctl, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_io_ctl *io_ctl, struct btrfs_trans_handle *trans) { @@ -1374,7 +1373,7 @@ out_unlock: } int btrfs_write_out_cache(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_path *path) { struct btrfs_fs_info *fs_info = trans->fs_info; @@ -1652,7 +1651,7 @@ static int link_free_space(struct btrfs_free_space_ctl *ctl, static void recalculate_thresholds(struct btrfs_free_space_ctl *ctl) { - struct btrfs_block_group_cache *block_group = ctl->private; + struct btrfs_block_group *block_group = ctl->private; u64 max_bytes; u64 bitmap_bytes; u64 extent_bytes; @@ -1996,7 +1995,7 @@ static u64 add_bytes_to_bitmap(struct btrfs_free_space_ctl *ctl, static bool use_bitmap(struct btrfs_free_space_ctl *ctl, struct btrfs_free_space *info) { - struct btrfs_block_group_cache *block_group = ctl->private; + struct btrfs_block_group *block_group = ctl->private; struct btrfs_fs_info *fs_info = block_group->fs_info; bool forced = false; @@ -2048,7 +2047,7 @@ static int insert_into_bitmap(struct btrfs_free_space_ctl *ctl, struct btrfs_free_space *info) { struct btrfs_free_space *bitmap_info; - struct btrfs_block_group_cache *block_group = NULL; + struct btrfs_block_group *block_group = NULL; int added = 0; u64 bytes, offset, bytes_added; int ret; @@ -2385,7 +2384,7 @@ out: return ret; } -int btrfs_add_free_space(struct btrfs_block_group_cache *block_group, +int btrfs_add_free_space(struct btrfs_block_group *block_group, u64 bytenr, u64 size) { return __btrfs_add_free_space(block_group->fs_info, @@ -2393,7 +2392,7 @@ int btrfs_add_free_space(struct btrfs_block_group_cache *block_group, bytenr, size); } -int btrfs_remove_free_space(struct btrfs_block_group_cache *block_group, +int btrfs_remove_free_space(struct btrfs_block_group *block_group, u64 offset, u64 bytes) { struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl; @@ -2483,7 +2482,7 @@ out: return ret; } -void btrfs_dump_free_space(struct btrfs_block_group_cache *block_group, +void btrfs_dump_free_space(struct btrfs_block_group *block_group, u64 bytes) { struct btrfs_fs_info *fs_info = block_group->fs_info; @@ -2508,7 +2507,7 @@ void btrfs_dump_free_space(struct btrfs_block_group_cache *block_group, "%d blocks of free space at or bigger than bytes is", count); } -void btrfs_init_free_space_ctl(struct btrfs_block_group_cache *block_group) +void btrfs_init_free_space_ctl(struct btrfs_block_group *block_group) { struct btrfs_fs_info *fs_info = block_group->fs_info; struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl; @@ -2537,7 +2536,7 @@ void btrfs_init_free_space_ctl(struct btrfs_block_group_cache *block_group) */ static int __btrfs_return_cluster_to_free_space( - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_free_cluster *cluster) { struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl; @@ -2603,7 +2602,7 @@ void __btrfs_remove_free_space_cache(struct btrfs_free_space_ctl *ctl) spin_unlock(&ctl->tree_lock); } -void btrfs_remove_free_space_cache(struct btrfs_block_group_cache *block_group) +void btrfs_remove_free_space_cache(struct btrfs_block_group *block_group) { struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl; struct btrfs_free_cluster *cluster; @@ -2625,7 +2624,7 @@ void btrfs_remove_free_space_cache(struct btrfs_block_group_cache *block_group) } -u64 btrfs_find_space_for_alloc(struct btrfs_block_group_cache *block_group, +u64 btrfs_find_space_for_alloc(struct btrfs_block_group *block_group, u64 offset, u64 bytes, u64 empty_size, u64 *max_extent_size) { @@ -2679,7 +2678,7 @@ out: * cluster and remove the cluster from it. */ int btrfs_return_cluster_to_free_space( - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_free_cluster *cluster) { struct btrfs_free_space_ctl *ctl; @@ -2713,7 +2712,7 @@ int btrfs_return_cluster_to_free_space( return ret; } -static u64 btrfs_alloc_from_bitmap(struct btrfs_block_group_cache *block_group, +static u64 btrfs_alloc_from_bitmap(struct btrfs_block_group *block_group, struct btrfs_free_cluster *cluster, struct btrfs_free_space *entry, u64 bytes, u64 min_start, @@ -2746,7 +2745,7 @@ static u64 btrfs_alloc_from_bitmap(struct btrfs_block_group_cache *block_group, * if it couldn't find anything suitably large, or a logical disk offset * if things worked out */ -u64 btrfs_alloc_from_cluster(struct btrfs_block_group_cache *block_group, +u64 btrfs_alloc_from_cluster(struct btrfs_block_group *block_group, struct btrfs_free_cluster *cluster, u64 bytes, u64 min_start, u64 *max_extent_size) { @@ -2832,7 +2831,7 @@ out: return ret; } -static int btrfs_bitmap_cluster(struct btrfs_block_group_cache *block_group, +static int btrfs_bitmap_cluster(struct btrfs_block_group *block_group, struct btrfs_free_space *entry, struct btrfs_free_cluster *cluster, u64 offset, u64 bytes, @@ -2914,7 +2913,7 @@ again: * extent of cont1_bytes, and other clusters of at least min_bytes. */ static noinline int -setup_cluster_no_bitmap(struct btrfs_block_group_cache *block_group, +setup_cluster_no_bitmap(struct btrfs_block_group *block_group, struct btrfs_free_cluster *cluster, struct list_head *bitmaps, u64 offset, u64 bytes, u64 cont1_bytes, u64 min_bytes) @@ -3005,7 +3004,7 @@ setup_cluster_no_bitmap(struct btrfs_block_group_cache *block_group, * that we have already failed to find extents that will work. */ static noinline int -setup_cluster_bitmap(struct btrfs_block_group_cache *block_group, +setup_cluster_bitmap(struct btrfs_block_group *block_group, struct btrfs_free_cluster *cluster, struct list_head *bitmaps, u64 offset, u64 bytes, u64 cont1_bytes, u64 min_bytes) @@ -3055,7 +3054,7 @@ setup_cluster_bitmap(struct btrfs_block_group_cache *block_group, * returns zero and sets up cluster if things worked out, otherwise * it returns -enospc */ -int btrfs_find_space_cluster(struct btrfs_block_group_cache *block_group, +int btrfs_find_space_cluster(struct btrfs_block_group *block_group, struct btrfs_free_cluster *cluster, u64 offset, u64 bytes, u64 empty_size) { @@ -3146,7 +3145,7 @@ void btrfs_init_free_cluster(struct btrfs_free_cluster *cluster) cluster->block_group = NULL; } -static int do_trimming(struct btrfs_block_group_cache *block_group, +static int do_trimming(struct btrfs_block_group *block_group, u64 *total_trimmed, u64 start, u64 bytes, u64 reserved_start, u64 reserved_bytes, struct btrfs_trim_range *trim_entry) @@ -3191,7 +3190,7 @@ static int do_trimming(struct btrfs_block_group_cache *block_group, return ret; } -static int trim_no_bitmap(struct btrfs_block_group_cache *block_group, +static int trim_no_bitmap(struct btrfs_block_group *block_group, u64 *total_trimmed, u64 start, u64 end, u64 minlen) { struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl; @@ -3276,7 +3275,7 @@ out: return ret; } -static int trim_bitmaps(struct btrfs_block_group_cache *block_group, +static int trim_bitmaps(struct btrfs_block_group *block_group, u64 *total_trimmed, u64 start, u64 end, u64 minlen) { struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl; @@ -3357,12 +3356,12 @@ next: return ret; } -void btrfs_get_block_group_trimming(struct btrfs_block_group_cache *cache) +void btrfs_get_block_group_trimming(struct btrfs_block_group *cache) { atomic_inc(&cache->trimming); } -void btrfs_put_block_group_trimming(struct btrfs_block_group_cache *block_group) +void btrfs_put_block_group_trimming(struct btrfs_block_group *block_group) { struct btrfs_fs_info *fs_info = block_group->fs_info; struct extent_map_tree *em_tree; @@ -3397,7 +3396,7 @@ void btrfs_put_block_group_trimming(struct btrfs_block_group_cache *block_group) } } -int btrfs_trim_block_group(struct btrfs_block_group_cache *block_group, +int btrfs_trim_block_group(struct btrfs_block_group *block_group, u64 *trimmed, u64 start, u64 end, u64 minlen) { int ret; @@ -3595,7 +3594,7 @@ int btrfs_write_out_ino_cache(struct btrfs_root *root, * how the free space cache loading stuff works, so you can get really weird * configurations. */ -int test_add_free_space_entry(struct btrfs_block_group_cache *cache, +int test_add_free_space_entry(struct btrfs_block_group *cache, u64 offset, u64 bytes, bool bitmap) { struct btrfs_free_space_ctl *ctl = cache->free_space_ctl; @@ -3663,7 +3662,7 @@ again: * just used to check the absence of space, so if there is free space in the * range at all we will return 1. */ -int test_check_exists(struct btrfs_block_group_cache *cache, +int test_check_exists(struct btrfs_block_group *cache, u64 offset, u64 bytes) { struct btrfs_free_space_ctl *ctl = cache->free_space_ctl; diff --git a/fs/btrfs/free-space-cache.h b/fs/btrfs/free-space-cache.h index 39c32c8fc24f..ba9a23241101 100644 --- a/fs/btrfs/free-space-cache.h +++ b/fs/btrfs/free-space-cache.h @@ -50,24 +50,23 @@ struct btrfs_io_ctl { unsigned check_crcs:1; }; -struct inode *lookup_free_space_inode( - struct btrfs_block_group_cache *block_group, +struct inode *lookup_free_space_inode(struct btrfs_block_group *block_group, struct btrfs_path *path); int create_free_space_inode(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_path *path); int btrfs_check_trunc_cache_free_space(struct btrfs_fs_info *fs_info, struct btrfs_block_rsv *rsv); int btrfs_truncate_free_space_cache(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct inode *inode); -int load_free_space_cache(struct btrfs_block_group_cache *block_group); +int load_free_space_cache(struct btrfs_block_group *block_group); int btrfs_wait_cache_io(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_path *path); int btrfs_write_out_cache(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_path *path); struct inode *lookup_free_ino_inode(struct btrfs_root *root, struct btrfs_path *path); @@ -81,42 +80,40 @@ int btrfs_write_out_ino_cache(struct btrfs_root *root, struct btrfs_path *path, struct inode *inode); -void btrfs_init_free_space_ctl(struct btrfs_block_group_cache *block_group); +void btrfs_init_free_space_ctl(struct btrfs_block_group *block_group); int __btrfs_add_free_space(struct btrfs_fs_info *fs_info, struct btrfs_free_space_ctl *ctl, u64 bytenr, u64 size); -int btrfs_add_free_space(struct btrfs_block_group_cache *block_group, +int btrfs_add_free_space(struct btrfs_block_group *block_group, u64 bytenr, u64 size); -int btrfs_remove_free_space(struct btrfs_block_group_cache *block_group, +int btrfs_remove_free_space(struct btrfs_block_group *block_group, u64 bytenr, u64 size); void __btrfs_remove_free_space_cache(struct btrfs_free_space_ctl *ctl); -void btrfs_remove_free_space_cache(struct btrfs_block_group_cache - *block_group); -u64 btrfs_find_space_for_alloc(struct btrfs_block_group_cache *block_group, +void btrfs_remove_free_space_cache(struct btrfs_block_group *block_group); +u64 btrfs_find_space_for_alloc(struct btrfs_block_group *block_group, u64 offset, u64 bytes, u64 empty_size, u64 *max_extent_size); u64 btrfs_find_ino_for_alloc(struct btrfs_root *fs_root); -void btrfs_dump_free_space(struct btrfs_block_group_cache *block_group, +void btrfs_dump_free_space(struct btrfs_block_group *block_group, u64 bytes); -int btrfs_find_space_cluster(struct btrfs_block_group_cache *block_group, +int btrfs_find_space_cluster(struct btrfs_block_group *block_group, struct btrfs_free_cluster *cluster, u64 offset, u64 bytes, u64 empty_size); void btrfs_init_free_cluster(struct btrfs_free_cluster *cluster); -u64 btrfs_alloc_from_cluster(struct btrfs_block_group_cache *block_group, +u64 btrfs_alloc_from_cluster(struct btrfs_block_group *block_group, struct btrfs_free_cluster *cluster, u64 bytes, u64 min_start, u64 *max_extent_size); int btrfs_return_cluster_to_free_space( - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_free_cluster *cluster); -int btrfs_trim_block_group(struct btrfs_block_group_cache *block_group, +int btrfs_trim_block_group(struct btrfs_block_group *block_group, u64 *trimmed, u64 start, u64 end, u64 minlen); /* Support functions for running our sanity tests */ #ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS -int test_add_free_space_entry(struct btrfs_block_group_cache *cache, +int test_add_free_space_entry(struct btrfs_block_group *cache, u64 offset, u64 bytes, bool bitmap); -int test_check_exists(struct btrfs_block_group_cache *cache, - u64 offset, u64 bytes); +int test_check_exists(struct btrfs_block_group *cache, u64 offset, u64 bytes); #endif #endif diff --git a/fs/btrfs/free-space-tree.c b/fs/btrfs/free-space-tree.c index d3aa65a4c76f..258cb3fae17a 100644 --- a/fs/btrfs/free-space-tree.c +++ b/fs/btrfs/free-space-tree.c @@ -13,10 +13,10 @@ #include "block-group.h" static int __add_block_group_free_space(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_path *path); -void set_free_space_tree_thresholds(struct btrfs_block_group_cache *cache) +void set_free_space_tree_thresholds(struct btrfs_block_group *cache) { u32 bitmap_range; size_t bitmap_size; @@ -44,7 +44,7 @@ void set_free_space_tree_thresholds(struct btrfs_block_group_cache *cache) } static int add_new_free_space_info(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_path *path) { struct btrfs_root *root = trans->fs_info->free_space_root; @@ -77,7 +77,7 @@ out: EXPORT_FOR_TESTS struct btrfs_free_space_info *search_free_space_info( struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_path *path, int cow) { struct btrfs_fs_info *fs_info = block_group->fs_info; @@ -179,7 +179,7 @@ static void le_bitmap_set(unsigned long *map, unsigned int start, int len) EXPORT_FOR_TESTS int convert_free_space_to_bitmaps(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_path *path) { struct btrfs_fs_info *fs_info = trans->fs_info; @@ -319,7 +319,7 @@ out: EXPORT_FOR_TESTS int convert_free_space_to_extents(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_path *path) { struct btrfs_fs_info *fs_info = trans->fs_info; @@ -452,7 +452,7 @@ out: } static int update_free_space_extent_count(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_path *path, int new_extents) { @@ -490,7 +490,7 @@ out: } EXPORT_FOR_TESTS -int free_space_test_bit(struct btrfs_block_group_cache *block_group, +int free_space_test_bit(struct btrfs_block_group *block_group, struct btrfs_path *path, u64 offset) { struct extent_buffer *leaf; @@ -512,7 +512,7 @@ int free_space_test_bit(struct btrfs_block_group_cache *block_group, return !!extent_buffer_test_bit(leaf, ptr, i); } -static void free_space_set_bits(struct btrfs_block_group_cache *block_group, +static void free_space_set_bits(struct btrfs_block_group *block_group, struct btrfs_path *path, u64 *start, u64 *size, int bit) { @@ -580,7 +580,7 @@ static int free_space_next_bitmap(struct btrfs_trans_handle *trans, * the bitmap. */ static int modify_free_space_bitmap(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_path *path, u64 start, u64 size, int remove) { @@ -693,7 +693,7 @@ out: } static int remove_free_space_extent(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_path *path, u64 start, u64 size) { @@ -780,7 +780,7 @@ out: EXPORT_FOR_TESTS int __remove_from_free_space_tree(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_path *path, u64 start, u64 size) { struct btrfs_free_space_info *info; @@ -811,7 +811,7 @@ int __remove_from_free_space_tree(struct btrfs_trans_handle *trans, int remove_from_free_space_tree(struct btrfs_trans_handle *trans, u64 start, u64 size) { - struct btrfs_block_group_cache *block_group; + struct btrfs_block_group *block_group; struct btrfs_path *path; int ret; @@ -845,7 +845,7 @@ out: } static int add_free_space_extent(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_path *path, u64 start, u64 size) { @@ -973,7 +973,7 @@ out: EXPORT_FOR_TESTS int __add_to_free_space_tree(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_path *path, u64 start, u64 size) { struct btrfs_free_space_info *info; @@ -1004,7 +1004,7 @@ int __add_to_free_space_tree(struct btrfs_trans_handle *trans, int add_to_free_space_tree(struct btrfs_trans_handle *trans, u64 start, u64 size) { - struct btrfs_block_group_cache *block_group; + struct btrfs_block_group *block_group; struct btrfs_path *path; int ret; @@ -1042,7 +1042,7 @@ out: * through the normal add/remove hooks. */ static int populate_free_space_tree(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group) + struct btrfs_block_group *block_group) { struct btrfs_root *extent_root = trans->fs_info->extent_root; struct btrfs_path *path, *path2; @@ -1139,7 +1139,7 @@ int btrfs_create_free_space_tree(struct btrfs_fs_info *fs_info) struct btrfs_trans_handle *trans; struct btrfs_root *tree_root = fs_info->tree_root; struct btrfs_root *free_space_root; - struct btrfs_block_group_cache *block_group; + struct btrfs_block_group *block_group; struct rb_node *node; int ret; @@ -1158,7 +1158,7 @@ int btrfs_create_free_space_tree(struct btrfs_fs_info *fs_info) node = rb_first(&fs_info->block_group_cache_tree); while (node) { - block_group = rb_entry(node, struct btrfs_block_group_cache, + block_group = rb_entry(node, struct btrfs_block_group, cache_node); ret = populate_free_space_tree(trans, block_group); if (ret) @@ -1264,7 +1264,7 @@ abort: } static int __add_block_group_free_space(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_path *path) { int ret; @@ -1281,7 +1281,7 @@ static int __add_block_group_free_space(struct btrfs_trans_handle *trans, } int add_block_group_free_space(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group) + struct btrfs_block_group *block_group) { struct btrfs_fs_info *fs_info = trans->fs_info; struct btrfs_path *path = NULL; @@ -1311,7 +1311,7 @@ out: } int remove_block_group_free_space(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group) + struct btrfs_block_group *block_group) { struct btrfs_root *root = trans->fs_info->free_space_root; struct btrfs_path *path; @@ -1390,7 +1390,7 @@ static int load_free_space_bitmaps(struct btrfs_caching_control *caching_ctl, struct btrfs_path *path, u32 expected_extent_count) { - struct btrfs_block_group_cache *block_group; + struct btrfs_block_group *block_group; struct btrfs_fs_info *fs_info; struct btrfs_root *root; struct btrfs_key key; @@ -1471,7 +1471,7 @@ static int load_free_space_extents(struct btrfs_caching_control *caching_ctl, struct btrfs_path *path, u32 expected_extent_count) { - struct btrfs_block_group_cache *block_group; + struct btrfs_block_group *block_group; struct btrfs_fs_info *fs_info; struct btrfs_root *root; struct btrfs_key key; @@ -1531,7 +1531,7 @@ out: int load_free_space_tree(struct btrfs_caching_control *caching_ctl) { - struct btrfs_block_group_cache *block_group; + struct btrfs_block_group *block_group; struct btrfs_free_space_info *info; struct btrfs_path *path; u32 extent_count, flags; diff --git a/fs/btrfs/free-space-tree.h b/fs/btrfs/free-space-tree.h index 360d50e1cdea..dc2463e4cfe3 100644 --- a/fs/btrfs/free-space-tree.h +++ b/fs/btrfs/free-space-tree.h @@ -16,14 +16,14 @@ struct btrfs_caching_control; #define BTRFS_FREE_SPACE_BITMAP_SIZE 256 #define BTRFS_FREE_SPACE_BITMAP_BITS (BTRFS_FREE_SPACE_BITMAP_SIZE * BITS_PER_BYTE) -void set_free_space_tree_thresholds(struct btrfs_block_group_cache *block_group); +void set_free_space_tree_thresholds(struct btrfs_block_group *block_group); int btrfs_create_free_space_tree(struct btrfs_fs_info *fs_info); int btrfs_clear_free_space_tree(struct btrfs_fs_info *fs_info); int load_free_space_tree(struct btrfs_caching_control *caching_ctl); int add_block_group_free_space(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group); + struct btrfs_block_group *block_group); int remove_block_group_free_space(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group); + struct btrfs_block_group *block_group); int add_to_free_space_tree(struct btrfs_trans_handle *trans, u64 start, u64 size); int remove_from_free_space_tree(struct btrfs_trans_handle *trans, @@ -32,21 +32,21 @@ int remove_from_free_space_tree(struct btrfs_trans_handle *trans, #ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS struct btrfs_free_space_info * search_free_space_info(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_path *path, int cow); int __add_to_free_space_tree(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_path *path, u64 start, u64 size); int __remove_from_free_space_tree(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_path *path, u64 start, u64 size); int convert_free_space_to_bitmaps(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_path *path); int convert_free_space_to_extents(struct btrfs_trans_handle *trans, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct btrfs_path *path); -int free_space_test_bit(struct btrfs_block_group_cache *block_group, +int free_space_test_bit(struct btrfs_block_group *block_group, struct btrfs_path *path, u64 offset); #endif diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 5b48830513e0..6e9183f58722 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -3040,7 +3040,7 @@ out_kfree: static void btrfs_release_delalloc_bytes(struct btrfs_fs_info *fs_info, u64 start, u64 len) { - struct btrfs_block_group_cache *cache; + struct btrfs_block_group *cache; cache = btrfs_lookup_block_group(fs_info, start); ASSERT(cache); @@ -10837,7 +10837,7 @@ static int btrfs_swap_activate(struct swap_info_struct *sis, struct file *file, start = 0; while (start < isize) { u64 logical_block_start, physical_block_start; - struct btrfs_block_group_cache *bg; + struct btrfs_block_group *bg; u64 len = isize - start; em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, start, len, 0); diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 4cf255830bc5..a1ee0b775e65 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -4031,7 +4031,7 @@ out: static void get_block_group_info(struct list_head *groups_list, struct btrfs_ioctl_space_info *space) { - struct btrfs_block_group_cache *block_group; + struct btrfs_block_group *block_group; space->total_bytes = 0; space->used_bytes = 0; diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index f414fd914ddd..93aeb2e539a4 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -3823,7 +3823,7 @@ out: */ int btrfs_qgroup_add_swapped_blocks(struct btrfs_trans_handle *trans, struct btrfs_root *subvol_root, - struct btrfs_block_group_cache *bg, + struct btrfs_block_group *bg, struct extent_buffer *subvol_parent, int subvol_slot, struct extent_buffer *reloc_parent, int reloc_slot, u64 last_snapshot) diff --git a/fs/btrfs/qgroup.h b/fs/btrfs/qgroup.h index 46ba7bd2961c..236f12224d52 100644 --- a/fs/btrfs/qgroup.h +++ b/fs/btrfs/qgroup.h @@ -408,7 +408,7 @@ void btrfs_qgroup_init_swapped_blocks( void btrfs_qgroup_clean_swapped_blocks(struct btrfs_root *root); int btrfs_qgroup_add_swapped_blocks(struct btrfs_trans_handle *trans, struct btrfs_root *subvol_root, - struct btrfs_block_group_cache *bg, + struct btrfs_block_group *bg, struct extent_buffer *subvol_parent, int subvol_slot, struct extent_buffer *reloc_parent, int reloc_slot, u64 last_snapshot); diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c index 907c5d79a197..243a2e44526e 100644 --- a/fs/btrfs/reada.c +++ b/fs/btrfs/reada.c @@ -227,7 +227,7 @@ static struct reada_zone *reada_find_zone(struct btrfs_device *dev, u64 logical, struct btrfs_fs_info *fs_info = dev->fs_info; int ret; struct reada_zone *zone; - struct btrfs_block_group_cache *cache = NULL; + struct btrfs_block_group *cache = NULL; u64 start; u64 end; int i; diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index 231aedd0ec52..a857fc8271d2 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -147,7 +147,7 @@ struct file_extent_cluster { struct reloc_control { /* block group to relocate */ - struct btrfs_block_group_cache *block_group; + struct btrfs_block_group *block_group; /* extent tree */ struct btrfs_root *extent_root; /* inode for moving data */ @@ -1560,8 +1560,7 @@ again: return NULL; } -static int in_block_group(u64 bytenr, - struct btrfs_block_group_cache *block_group) +static int in_block_group(u64 bytenr, struct btrfs_block_group *block_group) { if (bytenr >= block_group->start && bytenr < block_group->start + block_group->length) @@ -3544,7 +3543,7 @@ static int block_use_full_backref(struct reloc_control *rc, } static int delete_block_group_cache(struct btrfs_fs_info *fs_info, - struct btrfs_block_group_cache *block_group, + struct btrfs_block_group *block_group, struct inode *inode, u64 ino) { @@ -4219,7 +4218,7 @@ out: */ static noinline_for_stack struct inode *create_reloc_inode(struct btrfs_fs_info *fs_info, - struct btrfs_block_group_cache *group) + struct btrfs_block_group *group) { struct inode *inode = NULL; struct btrfs_trans_handle *trans; @@ -4283,7 +4282,7 @@ static struct reloc_control *alloc_reloc_control(struct btrfs_fs_info *fs_info) * Print the block group being relocated */ static void describe_relocation(struct btrfs_fs_info *fs_info, - struct btrfs_block_group_cache *block_group) + struct btrfs_block_group *block_group) { char buf[128] = {'\0'}; @@ -4299,7 +4298,7 @@ static void describe_relocation(struct btrfs_fs_info *fs_info, */ int btrfs_relocate_block_group(struct btrfs_fs_info *fs_info, u64 group_start) { - struct btrfs_block_group_cache *bg; + struct btrfs_block_group *bg; struct btrfs_root *extent_root = fs_info->extent_root; struct reloc_control *rc; struct inode *inode; diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 06494304ab80..e2c87220600f 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -389,8 +389,7 @@ static struct full_stripe_lock *search_full_stripe_lock( * * Caller must ensure @cache is a RAID56 block group. */ -static u64 get_full_stripe_logical(struct btrfs_block_group_cache *cache, - u64 bytenr) +static u64 get_full_stripe_logical(struct btrfs_block_group *cache, u64 bytenr) { u64 ret; @@ -423,7 +422,7 @@ static u64 get_full_stripe_logical(struct btrfs_block_group_cache *cache, static int lock_full_stripe(struct btrfs_fs_info *fs_info, u64 bytenr, bool *locked_ret) { - struct btrfs_block_group_cache *bg_cache; + struct btrfs_block_group *bg_cache; struct btrfs_full_stripe_locks_tree *locks_root; struct full_stripe_lock *existing; u64 fstripe_start; @@ -470,7 +469,7 @@ out: static int unlock_full_stripe(struct btrfs_fs_info *fs_info, u64 bytenr, bool locked) { - struct btrfs_block_group_cache *bg_cache; + struct btrfs_block_group *bg_cache; struct btrfs_full_stripe_locks_tree *locks_root; struct full_stripe_lock *fstripe_lock; u64 fstripe_start; @@ -3417,7 +3416,7 @@ static noinline_for_stack int scrub_chunk(struct scrub_ctx *sctx, struct btrfs_device *scrub_dev, u64 chunk_offset, u64 length, u64 dev_offset, - struct btrfs_block_group_cache *cache) + struct btrfs_block_group *cache) { struct btrfs_fs_info *fs_info = sctx->fs_info; struct extent_map_tree *map_tree = &fs_info->mapping_tree; @@ -3481,7 +3480,7 @@ int scrub_enumerate_chunks(struct scrub_ctx *sctx, struct extent_buffer *l; struct btrfs_key key; struct btrfs_key found_key; - struct btrfs_block_group_cache *cache; + struct btrfs_block_group *cache; struct btrfs_dev_replace *dev_replace = &fs_info->dev_replace; path = btrfs_alloc_path(); diff --git a/fs/btrfs/space-info.c b/fs/btrfs/space-info.c index 22b4968699e1..f09aa6ee9113 100644 --- a/fs/btrfs/space-info.c +++ b/fs/btrfs/space-info.c @@ -284,7 +284,7 @@ void btrfs_dump_space_info(struct btrfs_fs_info *fs_info, struct btrfs_space_info *info, u64 bytes, int dump_block_groups) { - struct btrfs_block_group_cache *cache; + struct btrfs_block_group *cache; int index = 0; spin_lock(&info->lock); diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index a1da1f4a511d..5ebbe8a5ee76 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -397,7 +397,7 @@ static ssize_t raid_bytes_show(struct kobject *kobj, { struct btrfs_space_info *sinfo = to_space_info(kobj->parent); - struct btrfs_block_group_cache *block_group; + struct btrfs_block_group *block_group; int index = btrfs_bg_flags_to_raid_index(to_raid_kobj(kobj)->flags); u64 val = 0; @@ -861,7 +861,7 @@ static void init_feature_attrs(void) * Create a sysfs entry for a given block group type at path * /sys/fs/btrfs/UUID/allocation/data/TYPE */ -void btrfs_sysfs_add_block_group_type(struct btrfs_block_group_cache *cache) +void btrfs_sysfs_add_block_group_type(struct btrfs_block_group *cache) { struct btrfs_fs_info *fs_info = cache->fs_info; struct btrfs_space_info *space_info = cache->space_info; diff --git a/fs/btrfs/sysfs.h b/fs/btrfs/sysfs.h index 610e9c36a94c..e10c3adfc30f 100644 --- a/fs/btrfs/sysfs.h +++ b/fs/btrfs/sysfs.h @@ -32,7 +32,7 @@ int __init btrfs_init_sysfs(void); void __cold btrfs_exit_sysfs(void); int btrfs_sysfs_add_mounted(struct btrfs_fs_info *fs_info); void btrfs_sysfs_remove_mounted(struct btrfs_fs_info *fs_info); -void btrfs_sysfs_add_block_group_type(struct btrfs_block_group_cache *cache); +void btrfs_sysfs_add_block_group_type(struct btrfs_block_group *cache); int btrfs_sysfs_add_space_info_type(struct btrfs_fs_info *fs_info, struct btrfs_space_info *space_info); void btrfs_sysfs_remove_space_info(struct btrfs_space_info *space_info); diff --git a/fs/btrfs/tests/btrfs-tests.c b/fs/btrfs/tests/btrfs-tests.c index f4bb5e2a4ba5..a7aca4141788 100644 --- a/fs/btrfs/tests/btrfs-tests.c +++ b/fs/btrfs/tests/btrfs-tests.c @@ -202,11 +202,11 @@ void btrfs_free_dummy_root(struct btrfs_root *root) kfree(root); } -struct btrfs_block_group_cache * +struct btrfs_block_group * btrfs_alloc_dummy_block_group(struct btrfs_fs_info *fs_info, unsigned long length) { - struct btrfs_block_group_cache *cache; + struct btrfs_block_group *cache; cache = kzalloc(sizeof(*cache), GFP_KERNEL); if (!cache) @@ -232,7 +232,7 @@ btrfs_alloc_dummy_block_group(struct btrfs_fs_info *fs_info, return cache; } -void btrfs_free_dummy_block_group(struct btrfs_block_group_cache *cache) +void btrfs_free_dummy_block_group(struct btrfs_block_group *cache) { if (!cache) return; diff --git a/fs/btrfs/tests/btrfs-tests.h b/fs/btrfs/tests/btrfs-tests.h index ee277bbd939b..9e52527357d8 100644 --- a/fs/btrfs/tests/btrfs-tests.h +++ b/fs/btrfs/tests/btrfs-tests.h @@ -41,9 +41,9 @@ struct inode *btrfs_new_test_inode(void); struct btrfs_fs_info *btrfs_alloc_dummy_fs_info(u32 nodesize, u32 sectorsize); void btrfs_free_dummy_fs_info(struct btrfs_fs_info *fs_info); void btrfs_free_dummy_root(struct btrfs_root *root); -struct btrfs_block_group_cache * +struct btrfs_block_group * btrfs_alloc_dummy_block_group(struct btrfs_fs_info *fs_info, unsigned long length); -void btrfs_free_dummy_block_group(struct btrfs_block_group_cache *cache); +void btrfs_free_dummy_block_group(struct btrfs_block_group *cache); void btrfs_init_dummy_trans(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info); #else diff --git a/fs/btrfs/tests/free-space-tests.c b/fs/btrfs/tests/free-space-tests.c index 43ec7060fcd2..aebdf23f0cdd 100644 --- a/fs/btrfs/tests/free-space-tests.c +++ b/fs/btrfs/tests/free-space-tests.c @@ -17,7 +17,7 @@ * entry and remove space from either end and the middle, and make sure we can * remove space that covers adjacent extent entries. */ -static int test_extents(struct btrfs_block_group_cache *cache) +static int test_extents(struct btrfs_block_group *cache) { int ret = 0; @@ -87,8 +87,7 @@ static int test_extents(struct btrfs_block_group_cache *cache) return 0; } -static int test_bitmaps(struct btrfs_block_group_cache *cache, - u32 sectorsize) +static int test_bitmaps(struct btrfs_block_group *cache, u32 sectorsize) { u64 next_bitmap_offset; int ret; @@ -156,7 +155,7 @@ static int test_bitmaps(struct btrfs_block_group_cache *cache, } /* This is the high grade jackassery */ -static int test_bitmaps_and_extents(struct btrfs_block_group_cache *cache, +static int test_bitmaps_and_extents(struct btrfs_block_group *cache, u32 sectorsize) { u64 bitmap_offset = (u64)(BITS_PER_BITMAP * sectorsize); @@ -331,7 +330,7 @@ static bool test_use_bitmap(struct btrfs_free_space_ctl *ctl, /* Used by test_steal_space_from_bitmap_to_extent(). */ static int -check_num_extents_and_bitmaps(const struct btrfs_block_group_cache *cache, +check_num_extents_and_bitmaps(const struct btrfs_block_group *cache, const int num_extents, const int num_bitmaps) { @@ -351,7 +350,7 @@ check_num_extents_and_bitmaps(const struct btrfs_block_group_cache *cache, } /* Used by test_steal_space_from_bitmap_to_extent(). */ -static int check_cache_empty(struct btrfs_block_group_cache *cache) +static int check_cache_empty(struct btrfs_block_group *cache) { u64 offset; u64 max_extent_size; @@ -393,7 +392,7 @@ static int check_cache_empty(struct btrfs_block_group_cache *cache) * requests. */ static int -test_steal_space_from_bitmap_to_extent(struct btrfs_block_group_cache *cache, +test_steal_space_from_bitmap_to_extent(struct btrfs_block_group *cache, u32 sectorsize) { int ret; @@ -829,7 +828,7 @@ test_steal_space_from_bitmap_to_extent(struct btrfs_block_group_cache *cache, int btrfs_test_free_space_cache(u32 sectorsize, u32 nodesize) { struct btrfs_fs_info *fs_info; - struct btrfs_block_group_cache *cache; + struct btrfs_block_group *cache; struct btrfs_root *root = NULL; int ret = -ENOMEM; diff --git a/fs/btrfs/tests/free-space-tree-tests.c b/fs/btrfs/tests/free-space-tree-tests.c index 188f08bd44b0..1a846bf6e197 100644 --- a/fs/btrfs/tests/free-space-tree-tests.c +++ b/fs/btrfs/tests/free-space-tree-tests.c @@ -18,7 +18,7 @@ struct free_space_extent { static int __check_free_space_extents(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, - struct btrfs_block_group_cache *cache, + struct btrfs_block_group *cache, struct btrfs_path *path, const struct free_space_extent * const extents, unsigned int num_extents) @@ -107,7 +107,7 @@ invalid: static int check_free_space_extents(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, - struct btrfs_block_group_cache *cache, + struct btrfs_block_group *cache, struct btrfs_path *path, const struct free_space_extent * const extents, unsigned int num_extents) @@ -150,7 +150,7 @@ static int check_free_space_extents(struct btrfs_trans_handle *trans, static int test_empty_block_group(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, - struct btrfs_block_group_cache *cache, + struct btrfs_block_group *cache, struct btrfs_path *path, u32 alignment) { @@ -164,7 +164,7 @@ static int test_empty_block_group(struct btrfs_trans_handle *trans, static int test_remove_all(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, - struct btrfs_block_group_cache *cache, + struct btrfs_block_group *cache, struct btrfs_path *path, u32 alignment) { @@ -185,7 +185,7 @@ static int test_remove_all(struct btrfs_trans_handle *trans, static int test_remove_beginning(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, - struct btrfs_block_group_cache *cache, + struct btrfs_block_group *cache, struct btrfs_path *path, u32 alignment) { @@ -208,7 +208,7 @@ static int test_remove_beginning(struct btrfs_trans_handle *trans, static int test_remove_end(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, - struct btrfs_block_group_cache *cache, + struct btrfs_block_group *cache, struct btrfs_path *path, u32 alignment) { @@ -231,7 +231,7 @@ static int test_remove_end(struct btrfs_trans_handle *trans, static int test_remove_middle(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, - struct btrfs_block_group_cache *cache, + struct btrfs_block_group *cache, struct btrfs_path *path, u32 alignment) { @@ -255,7 +255,7 @@ static int test_remove_middle(struct btrfs_trans_handle *trans, static int test_merge_left(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, - struct btrfs_block_group_cache *cache, + struct btrfs_block_group *cache, struct btrfs_path *path, u32 alignment) { @@ -292,7 +292,7 @@ static int test_merge_left(struct btrfs_trans_handle *trans, static int test_merge_right(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, - struct btrfs_block_group_cache *cache, + struct btrfs_block_group *cache, struct btrfs_path *path, u32 alignment) { @@ -330,7 +330,7 @@ static int test_merge_right(struct btrfs_trans_handle *trans, static int test_merge_both(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, - struct btrfs_block_group_cache *cache, + struct btrfs_block_group *cache, struct btrfs_path *path, u32 alignment) { @@ -373,7 +373,7 @@ static int test_merge_both(struct btrfs_trans_handle *trans, static int test_merge_none(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, - struct btrfs_block_group_cache *cache, + struct btrfs_block_group *cache, struct btrfs_path *path, u32 alignment) { @@ -418,7 +418,7 @@ static int test_merge_none(struct btrfs_trans_handle *trans, typedef int (*test_func_t)(struct btrfs_trans_handle *, struct btrfs_fs_info *, - struct btrfs_block_group_cache *, + struct btrfs_block_group *, struct btrfs_path *, u32 alignment); @@ -427,7 +427,7 @@ static int run_test(test_func_t test_func, int bitmaps, u32 sectorsize, { struct btrfs_fs_info *fs_info; struct btrfs_root *root = NULL; - struct btrfs_block_group_cache *cache = NULL; + struct btrfs_block_group *cache = NULL; struct btrfs_trans_handle trans; struct btrfs_path *path = NULL; int ret; diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 6f133906c862..cfc08ef9b876 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -133,10 +133,10 @@ void btrfs_put_transaction(struct btrfs_transaction *transaction) * discard the physical locations of the block groups. */ while (!list_empty(&transaction->deleted_bgs)) { - struct btrfs_block_group_cache *cache; + struct btrfs_block_group *cache; cache = list_first_entry(&transaction->deleted_bgs, - struct btrfs_block_group_cache, + struct btrfs_block_group, bg_list); list_del_init(&cache->bg_list); btrfs_put_block_group_trimming(cache); @@ -1937,7 +1937,7 @@ static void cleanup_transaction(struct btrfs_trans_handle *trans, int err) static void btrfs_cleanup_pending_block_groups(struct btrfs_trans_handle *trans) { struct btrfs_fs_info *fs_info = trans->fs_info; - struct btrfs_block_group_cache *block_group, *tmp; + struct btrfs_block_group *block_group, *tmp; list_for_each_entry_safe(block_group, tmp, &trans->new_bgs, bg_list) { btrfs_delayed_refs_rsv_release(fs_info, 1); diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 289c34f91996..22a5bd991e47 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -2997,7 +2997,7 @@ error: static int btrfs_may_alloc_data_chunk(struct btrfs_fs_info *fs_info, u64 chunk_offset) { - struct btrfs_block_group_cache *cache; + struct btrfs_block_group *cache; u64 bytes_used; u64 chunk_type; @@ -3206,7 +3206,7 @@ static int chunk_profiles_filter(u64 chunk_type, static int chunk_usage_range_filter(struct btrfs_fs_info *fs_info, u64 chunk_offset, struct btrfs_balance_args *bargs) { - struct btrfs_block_group_cache *cache; + struct btrfs_block_group *cache; u64 chunk_used; u64 user_thresh_min; u64 user_thresh_max; @@ -3239,7 +3239,7 @@ static int chunk_usage_range_filter(struct btrfs_fs_info *fs_info, u64 chunk_off static int chunk_usage_filter(struct btrfs_fs_info *fs_info, u64 chunk_offset, struct btrfs_balance_args *bargs) { - struct btrfs_block_group_cache *cache; + struct btrfs_block_group *cache; u64 chunk_used, user_thresh; int ret = 1; |