btrfs: fix not enough reserved space

PATCH New Miao Xie 1 participant 1 message Feb 18, 2011 Btrfs file system

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Miao Xie

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2011-02-18 09:21 UTC #0 lore raw

PATCH 1/1 btrfs: fix not enough reserved space

btrfs_link() will insert 3 items(inode ref, dir name item and dir index item) into the b+ tree and update 2 items(its inode, and parent's inode) in the b+ tree. So we should reserve space for these 5 items, not 3 items.

Reported-by Tsutomu Itoh <[email protected]>

Signed-off-by Miao Xie <[email protected]>

---
 fs/btrfs/inode.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

fs/btrfs/inode.c +3 -2

index 8d392ed..d692df9 100644
@@ -4823,10 +4823,11 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir,
 		goto fail;
 
 	/*
-	 * 1 item for inode ref
+	 * 2 items for inode and inode ref
 	 * 2 items for dir items
+	 * 1 item for parent inode
 	 */
-	trans = btrfs_start_transaction(root, 3);
+	trans = btrfs_start_transaction(root, 5);
 	if (IS_ERR(trans)) {
 		err = PTR_ERR(trans);
 		goto fail;

Signature · 1 line

1.7.3.1