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authorChris Mason <chris.mason@oracle.com>2007-12-21 16:27:23 -0500
committerChris Mason <chris.mason@oracle.com>2008-09-25 11:03:58 -0400
commit5d4fb734b4cb89a3902d6de309af0f6f3e63fe73 (patch)
tree0ceeb3fb26c6d8b49c0ba902f24e94e37f58f52c /fs/btrfs/inode.c
parent1832a6d5ee3b1af61001cadba9e10da9e91af4a4 (diff)
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Btrfs: Fix an off by one in the extent_map prepare write code
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/inode.c')
-rw-r--r--fs/btrfs/inode.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index a9f5d6d417f0..5f5b7b89b144 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1956,7 +1956,7 @@ static int btrfs_prepare_write(struct file *file, struct page *page,
mutex_lock(&root->fs_info->fs_mutex);
err = btrfs_check_free_space(root, PAGE_CACHE_SIZE, 0);
- mutex_lock(&root->fs_info->fs_mutex);
+ mutex_unlock(&root->fs_info->fs_mutex);
if (err)
return -ENOSPC;
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