NFS: LOOKUP_DIRECTORY is also ok with symlinks
authorTrond Myklebust <trond.myklebust@hammerspace.com>
Tue, 8 Feb 2022 18:38:23 +0000 (13:38 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 23 Feb 2022 10:57:35 +0000 (11:57 +0100)
commit2e4841a2e31c942a07950c9e11db0f1a43736ed6
tree34de7fd0e1a6b7e5727aea68c63421f745db633b
parent16e919d05ab01ff53286b9f523a43695b926ab62
NFS: LOOKUP_DIRECTORY is also ok with symlinks

commit e0caaf75d443e02e55e146fd75fe2efc8aed5540 upstream.

Commit ac795161c936 (NFSv4: Handle case where the lookup of a directory
fails) [1], part of Linux since 5.17-rc2, introduced a regression, where
a symbolic link on an NFS mount to a directory on another NFS does not
resolve(?) the first time it is accessed:

Reported-by: Paul Menzel <pmenzel@molgen.mpg.de>
Fixes: ac795161c936 ("NFSv4: Handle case where the lookup of a directory fails")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Tested-by: Donald Buczek <buczek@molgen.mpg.de>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/nfs/dir.c