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author | David Sterba <dsterba@suse.com> | 2018-04-03 21:45:57 +0200 |
---|---|---|
committer | David Sterba <dsterba@suse.com> | 2018-05-28 18:07:17 +0200 |
commit | f46b24c9457143a367c6707eac82d546e2bcf280 (patch) | |
tree | cb09021515f8ed1eb2af36f764c39ac9e5e3f6fb /fs/btrfs | |
parent | 0e08eb9b1c1701f1fda8e8d7f4d2b93e7e54941f (diff) | |
download | linux-stable-f46b24c9457143a367c6707eac82d546e2bcf280.tar.gz linux-stable-f46b24c9457143a367c6707eac82d546e2bcf280.tar.bz2 linux-stable-f46b24c9457143a367c6707eac82d546e2bcf280.zip |
btrfs: use fs_info for btrfs_handle_em_exist tracepoint
We really want to know to which filesystem the extent map events belong,
but as it cannot be reached from the extent_map pointers, we need to
pass it down the callchain.
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs')
-rw-r--r-- | fs/btrfs/extent_map.c | 6 | ||||
-rw-r--r-- | fs/btrfs/extent_map.h | 3 | ||||
-rw-r--r-- | fs/btrfs/inode.c | 2 | ||||
-rw-r--r-- | fs/btrfs/tests/extent-map-tests.c | 8 |
4 files changed, 11 insertions, 8 deletions
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c index 1b8a078f92eb..6648d55e5339 100644 --- a/fs/btrfs/extent_map.c +++ b/fs/btrfs/extent_map.c @@ -518,6 +518,7 @@ static noinline int merge_extent_mapping(struct extent_map_tree *em_tree, /** * btrfs_add_extent_mapping - add extent mapping into em_tree + * @fs_info - used for tracepoint * @em_tree - the extent tree into which we want to insert the extent mapping * @em_in - extent we are inserting * @start - start of the logical range btrfs_get_extent() is requesting @@ -535,7 +536,8 @@ static noinline int merge_extent_mapping(struct extent_map_tree *em_tree, * Return 0 on success, otherwise -EEXIST. * */ -int btrfs_add_extent_mapping(struct extent_map_tree *em_tree, +int btrfs_add_extent_mapping(struct btrfs_fs_info *fs_info, + struct extent_map_tree *em_tree, struct extent_map **em_in, u64 start, u64 len) { int ret; @@ -553,7 +555,7 @@ int btrfs_add_extent_mapping(struct extent_map_tree *em_tree, existing = search_extent_mapping(em_tree, start, len); - trace_btrfs_handle_em_exist(existing, em, start, len); + trace_btrfs_handle_em_exist(fs_info, existing, em, start, len); /* * existing will always be non-NULL, since there must be diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h index 5fcb80a6ce37..25d985e7532a 100644 --- a/fs/btrfs/extent_map.h +++ b/fs/btrfs/extent_map.h @@ -92,7 +92,8 @@ int unpin_extent_cache(struct extent_map_tree *tree, u64 start, u64 len, u64 gen void clear_em_logging(struct extent_map_tree *tree, struct extent_map *em); struct extent_map *search_extent_mapping(struct extent_map_tree *tree, u64 start, u64 len); -int btrfs_add_extent_mapping(struct extent_map_tree *em_tree, +int btrfs_add_extent_mapping(struct btrfs_fs_info *fs_info, + struct extent_map_tree *em_tree, struct extent_map **em_in, u64 start, u64 len); #endif diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index be17cfdcbcf5..f4447986263a 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -7083,7 +7083,7 @@ insert: err = 0; write_lock(&em_tree->lock); - err = btrfs_add_extent_mapping(em_tree, &em, start, len); + err = btrfs_add_extent_mapping(fs_info, em_tree, &em, start, len); write_unlock(&em_tree->lock); out: diff --git a/fs/btrfs/tests/extent-map-tests.c b/fs/btrfs/tests/extent-map-tests.c index 8a39de4453e4..9c051c4a3315 100644 --- a/fs/btrfs/tests/extent-map-tests.c +++ b/fs/btrfs/tests/extent-map-tests.c @@ -91,7 +91,7 @@ static void test_case_1(struct btrfs_fs_info *fs_info, em->len = len; em->block_start = start; em->block_len = len; - ret = btrfs_add_extent_mapping(em_tree, &em, em->start, em->len); + ret = btrfs_add_extent_mapping(fs_info, em_tree, &em, em->start, em->len); if (ret) test_msg("case1 [%llu %llu]: ret %d\n", start, start + len, ret); if (em && @@ -155,7 +155,7 @@ static void test_case_2(struct btrfs_fs_info *fs_info, em->len = SZ_1K; em->block_start = EXTENT_MAP_INLINE; em->block_len = (u64)-1; - ret = btrfs_add_extent_mapping(em_tree, &em, em->start, em->len); + ret = btrfs_add_extent_mapping(fs_info, em_tree, &em, em->start, em->len); if (ret) test_msg("case2 [0 1K]: ret %d\n", ret); if (em && @@ -201,7 +201,7 @@ static void __test_case_3(struct btrfs_fs_info *fs_info, em->len = SZ_16K; em->block_start = 0; em->block_len = SZ_16K; - ret = btrfs_add_extent_mapping(em_tree, &em, start, len); + ret = btrfs_add_extent_mapping(fs_info, em_tree, &em, start, len); if (ret) test_msg("case3 [0x%llx 0x%llx): ret %d\n", start, start + len, ret); @@ -288,7 +288,7 @@ static void __test_case_4(struct btrfs_fs_info *fs_info, em->len = SZ_32K; em->block_start = 0; em->block_len = SZ_32K; - ret = btrfs_add_extent_mapping(em_tree, &em, start, len); + ret = btrfs_add_extent_mapping(fs_info, em_tree, &em, start, len); if (ret) test_msg("case4 [0x%llx 0x%llx): ret %d\n", start, len, ret); |