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Chuck Lever 5bbaed525e NFSD: Remove NFSERR_EAGAIN 
[ Upstream commit c6c209ceb8 ]

I haven't found an NFSERR_EAGAIN in RFCs 1094, 1813, 7530, or 8881.
None of these RFCs have an NFS status code that match the numeric
value "11".

Based on the meaning of the EAGAIN errno, I presume the use of this
status in NFSD means NFS4ERR_DELAY. So replace the one usage of
nfserr_eagain, and remove it from NFSD's NFS status conversion
tables.

As far as I can tell, NFSERR_EAGAIN has existed since the pre-git
era, but was not actually used by any code until commit f4e44b3933
("NFSD: delay unmount source's export after inter-server copy
completed."), at which time it become possible for NFSD to return
a status code of 11 (which is not valid NFS protocol).

Fixes: f4e44b3933 ("NFSD: delay unmount source's export after inter-server copy completed.")
Cc: stable@vger.kernel.org
Reviewed-by: NeilBrown <neil@brown.name>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2026-01-17 16:39:33 +01:00
..
asm-generic asm-generic: Unify uapi bitsperlong.h for arm64, riscv and loongarch 2025-12-07 06:12:34 +09:00
drm drm/amdgpu: handle gfx12 in amdgpu_display_verify_sizes 2024-09-12 11:10:28 +02:00
linux NFSD: Remove NFSERR_EAGAIN 2026-01-17 16:39:33 +01:00
misc This update includes the following changes: 2022-10-10 13:04:25 -07:00
mtd This pull request contains updates for UBI and UBIFS 2022-10-14 18:23:23 -07:00
rdma RDMA/irdma: Allow accurate reporting on QP max send/recv WR 2024-03-26 18:20:53 -04:00
scsi scsi: mpi3mr: Avoid memcpy field-spanning write WARNING 2024-05-17 11:56:04 +02:00
sound ALSA: uapi: Fix typo in asound.h comment 2026-01-11 15:18:37 +01:00
video License cleanup: add SPDX license identifier to uapi header files with a license 2017-11-02 11:20:11 +01:00
xen Improve docs for IOCTL_GNTDEV_MAP_GRANT_REF 2022-02-03 08:23:32 +01:00
Kbuild kbuild: re-implement Makefile.headersinst without recursion 2019-06-15 19:57:02 +09:00