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authorIngo Molnar <mingo@kernel.org>2012-08-28 18:05:55 +0200
committerIngo Molnar <mingo@kernel.org>2012-08-28 18:05:55 +0200
commit508dc4f8eece1a70c493afc6511fdf5934fef567 (patch)
treeb852a6a5bf9977a33a87158985de02d188ba71d7 /fs/btrfs/ioctl.c
parent734e9a26d612f64e1c9cfd92256969b773954ae2 (diff)
parente3e45c01ae690e65f2650e5288b9af802e95a136 (diff)
Merge branch 'perf/urgent' into perf/core
Pick up the latest fixes because upcoming uprobes changes will rely on it. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/btrfs/ioctl.c')
-rw-r--r--fs/btrfs/ioctl.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index bc2f6ffff3c..7bb755677a2 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -664,10 +664,6 @@ static noinline int btrfs_mksubvol(struct path *parent,
struct dentry *dentry;
int error;
- error = mnt_want_write(parent->mnt);
- if (error)
- return error;
-
mutex_lock_nested(&dir->i_mutex, I_MUTEX_PARENT);
dentry = lookup_one_len(name, parent->dentry, namelen);
@@ -703,7 +699,6 @@ out_dput:
dput(dentry);
out_unlock:
mutex_unlock(&dir->i_mutex);
- mnt_drop_write(parent->mnt);
return error;
}