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authorAl Viro <viro@zeniv.linux.org.uk>2013-09-16 22:22:16 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2013-10-24 23:34:55 -0400
commitaa7a574d0c54cc5a0aceb7357b5097342c0844ee (patch)
treeac1392238193e8cc51050681a18b72102fa1d950 /fs/namespace.c
parent44bb4385ce1cfb231d37cbc7bb6faf70f98b7b17 (diff)
dup_mnt_ns(): get rid of pointless grabbing of vfsmount_lock
mnt_list is protected by namespace_sem, not vfsmount_lock Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/namespace.c')
-rw-r--r--fs/namespace.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/fs/namespace.c b/fs/namespace.c
index 0e54ad6ccd8a..17ff1470b405 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2444,9 +2444,7 @@ static struct mnt_namespace *dup_mnt_ns(struct mnt_namespace *mnt_ns,
2444 return ERR_CAST(new); 2444 return ERR_CAST(new);
2445 } 2445 }
2446 new_ns->root = new; 2446 new_ns->root = new;
2447 br_write_lock(&vfsmount_lock);
2448 list_add_tail(&new_ns->list, &new->mnt_list); 2447 list_add_tail(&new_ns->list, &new->mnt_list);
2449 br_write_unlock(&vfsmount_lock);
2450 2448
2451 /* 2449 /*
2452 * Second pass: switch the tsk->fs->* elements and mark new vfsmounts 2450 * Second pass: switch the tsk->fs->* elements and mark new vfsmounts