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-rw-r--r--fs/ext4/extents.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 4da228a..76c2df3 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -161,6 +161,8 @@ int __ext4_ext_dirty(const char *where, unsigned int line, handle_t *handle,
struct inode *inode, struct ext4_ext_path *path)
{
int err;
+
+ WARN_ON(!rwsem_is_locked(&EXT4_I(inode)->i_data_sem));
if (path->p_bh) {
ext4_extent_block_csum_set(inode, ext_block_hdr(path->p_bh));
/* path points to block */
@@ -1808,8 +1810,7 @@ static void ext4_ext_try_to_merge_up(handle_t *handle,
brelse(path[1].p_bh);
ext4_free_blocks(handle, inode, NULL, blk, 1,
- EXT4_FREE_BLOCKS_METADATA | EXT4_FREE_BLOCKS_FORGET |
- EXT4_FREE_BLOCKS_RESERVE);
+ EXT4_FREE_BLOCKS_METADATA | EXT4_FREE_BLOCKS_FORGET);
}
/*
@@ -3253,7 +3254,7 @@ out:
fix_extent_len:
ex->ee_len = orig_ex.ee_len;
- ext4_ext_dirty(handle, inode, path + depth);
+ ext4_ext_dirty(handle, inode, path + path->p_depth);
return err;
}
@@ -5403,16 +5404,13 @@ int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
int ret;
/* Collapse range works only on fs block size aligned offsets. */
- if (offset & (EXT4_BLOCK_SIZE(sb) - 1) ||
- len & (EXT4_BLOCK_SIZE(sb) - 1))
+ if (offset & (EXT4_CLUSTER_SIZE(sb) - 1) ||
+ len & (EXT4_CLUSTER_SIZE(sb) - 1))
return -EINVAL;
if (!S_ISREG(inode->i_mode))
return -EINVAL;
- if (EXT4_SB(inode->i_sb)->s_cluster_ratio > 1)
- return -EOPNOTSUPP;
-
trace_ext4_collapse_range(inode, offset, len);
punch_start = offset >> EXT4_BLOCK_SIZE_BITS(sb);
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