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Diffstat (limited to 'fs/ext4/extents.c')
-rw-r--r--fs/ext4/extents.c49
1 files changed, 13 insertions, 36 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 35703dce23a3..e4115d338f10 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -3123,7 +3123,7 @@ void ext4_ext_release(struct super_block *sb)
#endif
}
-static int ext4_zeroout_es(struct inode *inode, struct ext4_extent *ex)
+static void ext4_zeroout_es(struct inode *inode, struct ext4_extent *ex)
{
ext4_lblk_t ee_block;
ext4_fsblk_t ee_pblock;
@@ -3134,10 +3134,10 @@ static int ext4_zeroout_es(struct inode *inode, struct ext4_extent *ex)
ee_pblock = ext4_ext_pblock(ex);
if (ee_len == 0)
- return 0;
+ return;
- return ext4_es_insert_extent(inode, ee_block, ee_len, ee_pblock,
- EXTENT_STATUS_WRITTEN);
+ ext4_es_insert_extent(inode, ee_block, ee_len, ee_pblock,
+ EXTENT_STATUS_WRITTEN);
}
/* FIXME!! we need to try to merge to left or right after zero-out */
@@ -3287,7 +3287,7 @@ static int ext4_split_extent_at(handle_t *handle,
err = ext4_ext_dirty(handle, inode, path + path->p_depth);
if (!err)
/* update extent status tree */
- err = ext4_zeroout_es(inode, &zero_ex);
+ ext4_zeroout_es(inode, &zero_ex);
/* If we failed at this point, we don't know in which
* state the extent tree exactly is so don't try to fix
* length of the original extent as it may do even more
@@ -3640,9 +3640,8 @@ fallback:
out:
/* If we have gotten a failure, don't zero out status tree */
if (!err) {
- err = ext4_zeroout_es(inode, &zero_ex1);
- if (!err)
- err = ext4_zeroout_es(inode, &zero_ex2);
+ ext4_zeroout_es(inode, &zero_ex1);
+ ext4_zeroout_es(inode, &zero_ex2);
}
return err ? err : allocated;
}
@@ -4403,15 +4402,8 @@ int ext4_ext_truncate(handle_t *handle, struct inode *inode)
last_block = (inode->i_size + sb->s_blocksize - 1)
>> EXT4_BLOCK_SIZE_BITS(sb);
-retry:
- err = ext4_es_remove_extent(inode, last_block,
- EXT_MAX_BLOCKS - last_block);
- if (err == -ENOMEM) {
- memalloc_retry_wait(GFP_ATOMIC);
- goto retry;
- }
- if (err)
- return err;
+ ext4_es_remove_extent(inode, last_block, EXT_MAX_BLOCKS - last_block);
+
retry_remove_space:
err = ext4_ext_remove_space(inode, last_block, EXT_MAX_BLOCKS - 1);
if (err == -ENOMEM) {
@@ -5363,13 +5355,7 @@ static int ext4_collapse_range(struct file *file, loff_t offset, loff_t len)
down_write(&EXT4_I(inode)->i_data_sem);
ext4_discard_preallocations(inode, 0);
-
- ret = ext4_es_remove_extent(inode, punch_start,
- EXT_MAX_BLOCKS - punch_start);
- if (ret) {
- up_write(&EXT4_I(inode)->i_data_sem);
- goto out_stop;
- }
+ ext4_es_remove_extent(inode, punch_start, EXT_MAX_BLOCKS - punch_start);
ret = ext4_ext_remove_space(inode, punch_start, punch_stop - 1);
if (ret) {
@@ -5547,12 +5533,7 @@ static int ext4_insert_range(struct file *file, loff_t offset, loff_t len)
ext4_free_ext_path(path);
}
- ret = ext4_es_remove_extent(inode, offset_lblk,
- EXT_MAX_BLOCKS - offset_lblk);
- if (ret) {
- up_write(&EXT4_I(inode)->i_data_sem);
- goto out_stop;
- }
+ ext4_es_remove_extent(inode, offset_lblk, EXT_MAX_BLOCKS - offset_lblk);
/*
* if offset_lblk lies in a hole which is at start of file, use
@@ -5610,12 +5591,8 @@ ext4_swap_extents(handle_t *handle, struct inode *inode1,
BUG_ON(!inode_is_locked(inode1));
BUG_ON(!inode_is_locked(inode2));
- *erp = ext4_es_remove_extent(inode1, lblk1, count);
- if (unlikely(*erp))
- return 0;
- *erp = ext4_es_remove_extent(inode2, lblk2, count);
- if (unlikely(*erp))
- return 0;
+ ext4_es_remove_extent(inode1, lblk1, count);
+ ext4_es_remove_extent(inode2, lblk2, count);
while (count) {
struct ext4_extent *ex1, *ex2, tmp_ex;