We need to clean a VACANCY em(if we have) when we fail to start a transaction.
Signed-off-by: Liu Bo <liubo2...@cn.fujitsu.com>
---
fs/btrfs/inode.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index bacf441..2b2f0b6 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -3406,9 +3406,6 @@ int btrfs_cont_expand(struct inode *inode, loff_t
oldsize, loff_t size)
break;
}
- btrfs_drop_extent_cache(inode, hole_start,
- last_byte - 1, 0);
-
btrfs_update_inode(trans, root, inode);
btrfs_end_transaction(trans, root);
}
@@ -3419,6 +3416,9 @@ int btrfs_cont_expand(struct inode *inode, loff_t
oldsize, loff_t size)
break;
}
+ if (em && test_bit(EXTENT_FLAG_VACANCY, &em->flags))
+ btrfs_drop_extent_cache(inode, hole_start, last_byte - 1, 0);
+
free_extent_map(em);
unlock_extent_cached(io_tree, hole_start, block_end - 1, &cached_state,
GFP_NOFS);
--
1.6.5.2
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