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 11:01:04 +0000 (12:01 +0100)
commitf9b7385c0f6261f6464b09731ff9700e182cd9b7
treed5855ddc83f2f61f3a5266d8c586742fcfbcbbe4
parent598dbaf74b64f51aa09bdbb8d15e957330ff2659
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: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/nfs/dir.c