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Message-Id: <20221117191151.14262-3-richard@nod.at>
Date: Thu, 17 Nov 2022 20:11:50 +0100
From: Richard Weinberger <richard@....at>
To: linux-nfs@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
jlayton@...nel.org, chuck.lever@...cle.com, anna@...nel.org,
trond.myklebust@...merspace.com, viro@...iv.linux.org.uk,
raven@...maw.net, chris.chilvers@...sbroker.com,
david.young@...sbroker.com, luis.turcitu@...sbroker.com,
david@...ma-star.at, Richard Weinberger <richard@....at>
Subject: [PATCH 2/3] 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@....at>
---
fs/namei.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/namei.c b/fs/namei.c
index 578c2110df02..000c4b84e6be 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1462,7 +1462,7 @@ int follow_down(struct path *path)
{
struct vfsmount *mnt = path->mnt;
bool jumped;
- int ret = traverse_mounts(path, &jumped, NULL, 0);
+ int ret = traverse_mounts(path, &jumped, NULL, LOOKUP_AUTOMOUNT);
if (path->mnt != mnt)
mntput(mnt);
--
2.26.2
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