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authorEric W. Biederman <ebiederm@xmission.com>2014-02-13 09:34:30 -0800
committerAl Viro <viro@zeniv.linux.org.uk>2014-10-09 02:38:56 -0400
commit9b053f3207e8887fed88162a339fdd4001abcdb2 (patch)
tree7751f057ee6c8ecd6cdb8d613c94db5c6dd632f7 /fs/kernfs
parent8ed936b5671bfb33d89bc60bdcc7cf0470ba52fe (diff)
downloadblackbird-obmc-linux-9b053f3207e8887fed88162a339fdd4001abcdb2.tar.gz
blackbird-obmc-linux-9b053f3207e8887fed88162a339fdd4001abcdb2.zip
vfs: Remove unnecessary calls of check_submounts_and_drop
Now that check_submounts_and_drop can not fail and is called from d_invalidate there is no longer a need to call check_submounts_and_drom from filesystem d_revalidate methods so remove it. Reviewed-by: Miklos Szeredi <miklos@szeredi.hu> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/kernfs')
-rw-r--r--fs/kernfs/dir.c11
1 files changed, 0 insertions, 11 deletions
diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c
index a693f5b01ae6..1c771931bb60 100644
--- a/fs/kernfs/dir.c
+++ b/fs/kernfs/dir.c
@@ -463,21 +463,10 @@ static int kernfs_dop_revalidate(struct dentry *dentry, unsigned int flags)
goto out_bad;
mutex_unlock(&kernfs_mutex);
-out_valid:
return 1;
out_bad:
mutex_unlock(&kernfs_mutex);
out_bad_unlocked:
- /*
- * @dentry doesn't match the underlying kernfs node, drop the
- * dentry and force lookup. If we have submounts we must allow the
- * vfs caches to lie about the state of the filesystem to prevent
- * leaks and other nasty things, so use check_submounts_and_drop()
- * instead of d_drop().
- */
- if (check_submounts_and_drop(dentry) != 0)
- goto out_valid;
-
return 0;
}
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