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| author | David S. Miller <davem@davemloft.net> | 2011-12-02 13:49:21 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-12-02 13:49:21 -0500 |
| commit | b3613118eb30a589d971e4eccbbb2a1314f5dfd4 (patch) | |
| tree | 868c1ee59e1b5c19a4f2e43716400d0001a994e5 /fs/namespace.c | |
| parent | 7505afe28c16a8d386624930a018d0052c75d687 (diff) | |
| parent | 5983fe2b29df5885880d7fa3b91aca306c7564ef (diff) | |
| download | op-kernel-dev-b3613118eb30a589d971e4eccbbb2a1314f5dfd4.zip op-kernel-dev-b3613118eb30a589d971e4eccbbb2a1314f5dfd4.tar.gz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'fs/namespace.c')
| -rw-r--r-- | fs/namespace.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/namespace.c b/fs/namespace.c index 50ee303..6d3a196 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -2493,6 +2493,7 @@ EXPORT_SYMBOL(create_mnt_ns); struct dentry *mount_subtree(struct vfsmount *mnt, const char *name) { struct mnt_namespace *ns; + struct super_block *s; struct path path; int err; @@ -2509,10 +2510,11 @@ struct dentry *mount_subtree(struct vfsmount *mnt, const char *name) return ERR_PTR(err); /* trade a vfsmount reference for active sb one */ - atomic_inc(&path.mnt->mnt_sb->s_active); + s = path.mnt->mnt_sb; + atomic_inc(&s->s_active); mntput(path.mnt); /* lock the sucker */ - down_write(&path.mnt->mnt_sb->s_umount); + down_write(&s->s_umount); /* ... and return the root of (sub)tree on it */ return path.dentry; } |
