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authorChris Mason <chris.mason@oracle.com>2011-12-15 13:43:49 -0500
committerChris Mason <chris.mason@oracle.com>2011-12-15 13:43:49 -0500
commit567a45e917343c952806bb9f5c19aab0139bd519 (patch)
treeb1d6dac31a3a2836d24662139f21bb1ddc2522d3 /fs/btrfs/ioctl.c
parente755d9ab387c4c2401dce5b6f435432a829f41cb (diff)
parente65cbb94e036058128a5dec6398be2fd64cf88ba (diff)
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Merge branch 'for-chris' of http://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-work into integration
Conflicts: fs/btrfs/inode.c Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/ioctl.c')
-rw-r--r--fs/btrfs/ioctl.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 40eaa9fdf07c..c04f02c7d5bb 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -858,8 +858,10 @@ static int cluster_pages_for_defrag(struct inode *inode,
return 0;
file_end = (isize - 1) >> PAGE_CACHE_SHIFT;
+ mutex_lock(&inode->i_mutex);
ret = btrfs_delalloc_reserve_space(inode,
num_pages << PAGE_CACHE_SHIFT);
+ mutex_unlock(&inode->i_mutex);
if (ret)
return ret;
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