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authorRichard Weinberger <richard@nod.at>2022-12-07 09:43:08 +0100
committerChuck Lever <chuck.lever@oracle.com>2023-02-20 09:20:08 -0500
commite1f19857f94be09f9526f180e64f20138bd4e394 (patch)
tree00fcaade62f6251c0a2324b4e4489459fa6a9848 /fs/namei.c
parent50f5fdaea9cd6941e51ea6e07d8c15265917bb86 (diff)
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fs: namei: Allow follow_down() to uncover auto mounts
This function is only used by NFSD to cross mount points. If a mount point is of type auto mount, follow_down() will not uncover it. Add LOOKUP_AUTOMOUNT to the lookup flags to have ->d_automount() called when NFSD walks down the mount tree. Signed-off-by: Richard Weinberger <richard@nod.at> Reviewed-by: Ian Kent <raven@themaw.net> Reviewed-by: Jeff Layton <jlayton@kernel.org> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'fs/namei.c')
-rw-r--r--fs/namei.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/namei.c b/fs/namei.c
index 309ae6fc8c99..c06f47066063 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1458,11 +1458,11 @@ EXPORT_SYMBOL(follow_down_one);
* point, the filesystem owning that dentry may be queried as to whether the
* caller is permitted to proceed or not.
*/
-int follow_down(struct path *path)
+int follow_down(struct path *path, unsigned int flags)
{
struct vfsmount *mnt = path->mnt;
bool jumped;
- int ret = traverse_mounts(path, &jumped, NULL, 0);
+ int ret = traverse_mounts(path, &jumped, NULL, flags);
if (path->mnt != mnt)
mntput(mnt);
@@ -2864,7 +2864,7 @@ int path_pts(struct path *path)
path->dentry = child;
dput(parent);
- follow_down(path);
+ follow_down(path, 0);
return 0;
}
#endif