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authorIngo Molnar <mingo@elte.hu>2009-01-11 03:43:52 +0100
committerIngo Molnar <mingo@elte.hu>2009-01-11 03:43:52 +0100
commit99cd7074891f87c49660e3b2880564324a4733ac (patch)
tree903d2665bcb445f1f265d1adf7a99f265bcefc15 /fs/ext4/extents.c
parente8a9cbf6ae620d9e5ba9cb42001c033287a284a3 (diff)
parentc59765042f53a79a7a65585042ff463b69cb248c (diff)
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Merge commit 'v2.6.29-rc1' into tracing/urgent
Diffstat (limited to 'fs/ext4/extents.c')
-rw-r--r--fs/ext4/extents.c62
1 files changed, 30 insertions, 32 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index ea2ce3c0ae66..54bf0623a9ae 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -97,6 +97,8 @@ static int ext4_ext_journal_restart(handle_t *handle, int needed)
{
int err;
+ if (!ext4_handle_valid(handle))
+ return 0;
if (handle->h_buffer_credits > needed)
return 0;
err = ext4_journal_extend(handle, needed);
@@ -134,7 +136,7 @@ static int ext4_ext_dirty(handle_t *handle, struct inode *inode,
int err;
if (path->p_bh) {
/* path points to block */
- err = ext4_journal_dirty_metadata(handle, path->p_bh);
+ err = ext4_handle_dirty_metadata(handle, inode, path->p_bh);
} else {
/* path points to leaf/index in inode body */
err = ext4_mark_inode_dirty(handle, inode);
@@ -191,7 +193,7 @@ ext4_ext_new_meta_block(handle_t *handle, struct inode *inode,
ext4_fsblk_t goal, newblock;
goal = ext4_ext_find_goal(inode, path, le32_to_cpu(ex->ee_block));
- newblock = ext4_new_meta_block(handle, inode, goal, err);
+ newblock = ext4_new_meta_blocks(handle, inode, goal, NULL, err);
return newblock;
}
@@ -780,7 +782,7 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode,
set_buffer_uptodate(bh);
unlock_buffer(bh);
- err = ext4_journal_dirty_metadata(handle, bh);
+ err = ext4_handle_dirty_metadata(handle, inode, bh);
if (err)
goto cleanup;
brelse(bh);
@@ -859,7 +861,7 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode,
set_buffer_uptodate(bh);
unlock_buffer(bh);
- err = ext4_journal_dirty_metadata(handle, bh);
+ err = ext4_handle_dirty_metadata(handle, inode, bh);
if (err)
goto cleanup;
brelse(bh);
@@ -955,7 +957,7 @@ static int ext4_ext_grow_indepth(handle_t *handle, struct inode *inode,
set_buffer_uptodate(bh);
unlock_buffer(bh);
- err = ext4_journal_dirty_metadata(handle, bh);
+ err = ext4_handle_dirty_metadata(handle, inode, bh);
if (err)
goto out;
@@ -1160,15 +1162,13 @@ ext4_ext_search_right(struct inode *inode, struct ext4_ext_path *path,
while (--depth >= 0) {
ix = path[depth].p_idx;
if (ix != EXT_LAST_INDEX(path[depth].p_hdr))
- break;
+ goto got_index;
}
- if (depth < 0) {
- /* we've gone up to the root and
- * found no index to the right */
- return 0;
- }
+ /* we've gone up to the root and found no index to the right */
+ return 0;
+got_index:
/* we've found index to the right, let's
* follow it and find the closest allocated
* block to the right */
@@ -1201,7 +1201,6 @@ ext4_ext_search_right(struct inode *inode, struct ext4_ext_path *path,
*phys = ext_pblock(ex);
put_bh(bh);
return 0;
-
}
/*
@@ -1622,7 +1621,6 @@ cleanup:
ext4_ext_drop_refs(npath);
kfree(npath);
}
- ext4_ext_tree_changed(inode);
ext4_ext_invalidate_cache(inode);
return err;
}
@@ -2233,7 +2231,6 @@ static int ext4_ext_remove_space(struct inode *inode, ext4_lblk_t start)
}
}
out:
- ext4_ext_tree_changed(inode);
ext4_ext_drop_refs(path);
kfree(path);
ext4_journal_stop(handle);
@@ -2250,7 +2247,7 @@ void ext4_ext_init(struct super_block *sb)
* possible initialization would be here
*/
- if (test_opt(sb, EXTENTS)) {
+ if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_EXTENTS)) {
printk(KERN_INFO "EXT4-fs: file extents enabled");
#ifdef AGGRESSIVE_TEST
printk(", aggressive tests");
@@ -2275,7 +2272,7 @@ void ext4_ext_init(struct super_block *sb)
*/
void ext4_ext_release(struct super_block *sb)
{
- if (!test_opt(sb, EXTENTS))
+ if (!EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_EXTENTS))
return;
#ifdef EXTENTS_STATS
@@ -2380,7 +2377,7 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
struct inode *inode,
struct ext4_ext_path *path,
ext4_lblk_t iblock,
- unsigned long max_blocks)
+ unsigned int max_blocks)
{
struct ext4_extent *ex, newex, orig_ex;
struct ext4_extent *ex1 = NULL;
@@ -2536,7 +2533,7 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
*/
newdepth = ext_depth(inode);
/*
- * update the extent length after successfull insert of the
+ * update the extent length after successful insert of the
* split extent
*/
orig_ex.ee_len = cpu_to_le16(ee_len -
@@ -2678,26 +2675,26 @@ fix_extent_len:
*/
int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
ext4_lblk_t iblock,
- unsigned long max_blocks, struct buffer_head *bh_result,
+ unsigned int max_blocks, struct buffer_head *bh_result,
int create, int extend_disksize)
{
struct ext4_ext_path *path = NULL;
struct ext4_extent_header *eh;
struct ext4_extent newex, *ex;
- ext4_fsblk_t goal, newblock;
- int err = 0, depth, ret;
- unsigned long allocated = 0;
+ ext4_fsblk_t newblock;
+ int err = 0, depth, ret, cache_type;
+ unsigned int allocated = 0;
struct ext4_allocation_request ar;
loff_t disksize;
__clear_bit(BH_New, &bh_result->b_state);
- ext_debug("blocks %u/%lu requested for inode %u\n",
+ ext_debug("blocks %u/%u requested for inode %u\n",
iblock, max_blocks, inode->i_ino);
/* check in cache */
- goal = ext4_ext_in_cache(inode, iblock, &newex);
- if (goal) {
- if (goal == EXT4_EXT_CACHE_GAP) {
+ cache_type = ext4_ext_in_cache(inode, iblock, &newex);
+ if (cache_type) {
+ if (cache_type == EXT4_EXT_CACHE_GAP) {
if (!create) {
/*
* block isn't allocated yet and
@@ -2706,7 +2703,7 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
goto out2;
}
/* we should allocate requested block */
- } else if (goal == EXT4_EXT_CACHE_EXTENT) {
+ } else if (cache_type == EXT4_EXT_CACHE_EXTENT) {
/* block is already allocated */
newblock = iblock
- le32_to_cpu(newex.ee_block)
@@ -2854,7 +2851,7 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
if (!newblock)
goto out2;
ext_debug("allocate new block: goal %llu, found %llu/%lu\n",
- goal, newblock, allocated);
+ ar.goal, newblock, allocated);
/* try to insert new extent into found leaf and return */
ext4_ext_store_pblock(&newex, newblock);
@@ -2950,7 +2947,7 @@ void ext4_ext_truncate(struct inode *inode)
* transaction synchronous.
*/
if (IS_SYNC(inode))
- handle->h_sync = 1;
+ ext4_handle_sync(handle);
out_stop:
up_write(&EXT4_I(inode)->i_data_sem);
@@ -3004,7 +3001,7 @@ long ext4_fallocate(struct inode *inode, int mode, loff_t offset, loff_t len)
handle_t *handle;
ext4_lblk_t block;
loff_t new_size;
- unsigned long max_blocks;
+ unsigned int max_blocks;
int ret = 0;
int ret2 = 0;
int retries = 0;
@@ -3083,7 +3080,7 @@ retry:
/*
* Callback function called for each extent to gather FIEMAP information.
*/
-int ext4_ext_fiemap_cb(struct inode *inode, struct ext4_ext_path *path,
+static int ext4_ext_fiemap_cb(struct inode *inode, struct ext4_ext_path *path,
struct ext4_ext_cache *newex, struct ext4_extent *ex,
void *data)
{
@@ -3152,7 +3149,8 @@ int ext4_ext_fiemap_cb(struct inode *inode, struct ext4_ext_path *path,
/* fiemap flags we can handle specified here */
#define EXT4_FIEMAP_FLAGS (FIEMAP_FLAG_SYNC|FIEMAP_FLAG_XATTR)
-int ext4_xattr_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo)
+static int ext4_xattr_fiemap(struct inode *inode,
+ struct fiemap_extent_info *fieinfo)
{
__u64 physical = 0;
__u64 length;