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linux/fs/nfsd
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Chuck Lever 0f7fb819d6 NFSD: Remove NFSERR_EAGAIN 
commit c6c209ceb8 upstream.

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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2026-01-17 16:35:10 +01:00
..
acl.h NFSD: add posix ACLs to struct nfsd_attrs 2022-08-04 10:28:03 -04:00
auth.c nfsd: avoid pointless cred reference count bump 2024-12-02 11:25:14 +01:00
auth.h nfsd: Pass 'cred' instead of 'rqstp' to some functions. 2024-09-20 19:31:03 -04:00
blocklayout.c NFSD: use correct reservation type in nfsd4_scsi_fence_client 2026-01-02 12:57:16 +01:00
blocklayoutxdr.c NFSD: Implement large extent array support in pNFS 2025-09-21 19:24:50 -04:00
blocklayoutxdr.h NFSD: Implement large extent array support in pNFS 2025-09-21 19:24:50 -04:00
cache.h nfsd: don't allocate the versions array. 2024-09-20 19:29:23 -04:00
current_stateid.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debugfs.c NFSD: Add io_cache_{read,write} controls to debugfs 2025-10-01 15:54:01 -04:00
export.c nfsd: Mark variable __maybe_unused to avoid W=1 build break 2026-01-02 12:57:24 +01:00
export.h NFSD 6.18 Release Notes 2025-10-06 13:22:21 -07:00
filecache.c NFSD 6.18 Release Notes 2025-10-06 13:22:21 -07:00
filecache.h NFSD 6.18 Release Notes 2025-10-06 13:22:21 -07:00
flexfilelayout.c NFSD: Define a proc_layoutcommit for the FlexFiles layout type 2025-10-10 12:53:50 -04:00
flexfilelayoutxdr.c NFSD: Rework encoding and decoding of nfsd4_deviceid 2025-09-21 19:24:50 -04:00
flexfilelayoutxdr.h NFSD: Make @gdev parameter of ->encode_getdeviceinfo a const pointer 2023-10-16 12:44:29 -04:00
idmap.h nfsd: Remove duplicate define of IDMAP_NAMESZ/IDMAP_TYPE_xx 2015-07-20 14:58:46 -04:00
Kconfig nfsd: Don't force CRYPTO_LIB_SHA256 to be built-in 2025-09-21 19:24:50 -04:00
localio.c NFSD 6.18 Release Notes 2025-10-06 13:22:21 -07:00
lockd.c nfsd: discard nfserr_dropit 2025-10-01 15:54:01 -04:00
Makefile NFSD: Add /sys/kernel/debug/nfsd 2025-05-11 19:48:23 -04:00
netlink.c nfsd: new netlink ops to get/set server pool_mode 2024-07-08 14:10:05 -04:00
netlink.h nfsd: new netlink ops to get/set server pool_mode 2024-07-08 14:10:05 -04:00
netns.h nfsd: provide locking for v4_end_grace 2026-01-17 16:35:10 +01:00
nfs2acl.c nfsd: clear acl_access/acl_default after releasing them 2025-02-02 11:31:45 -05:00
nfs3acl.c nfsd: clear acl_access/acl_default after releasing them 2025-02-02 11:31:45 -05:00
nfs3proc.c sunrpc: simplify xdr_init_encode_pages 2025-07-14 12:46:37 -04:00
nfs3xdr.c nfsd: Use lookup_one() rather than lookup_one_len() 2025-04-07 09:25:32 +02:00
nfs4acl.c NFSD: Remove unnecessary posix_acl_entry pointer initialization 2024-11-11 13:41:58 -05:00
nfs4callback.c NFSD: Avoid corruption of a referring call list 2025-06-12 20:37:32 -04:00
nfs4idmap.c nfsd: call cache_put if xdr_reserve_space returns NULL 2024-09-20 19:31:03 -04:00
nfs4layouts.c NFSD: Rework encoding and decoding of nfsd4_deviceid 2025-09-21 19:24:50 -04:00
nfs4proc.c NFSD: Remove NFSERR_EAGAIN 2026-01-17 16:35:10 +01:00
nfs4recover.c nfsd: Eliminate an allocation in nfs4_make_rec_clidname() 2025-09-21 19:24:50 -04:00
nfs4state.c nfsd: check that server is running in unlock_filesystem 2026-01-17 16:35:10 +01:00
nfs4xdr.c NFSD: Clear SECLABEL in the suppattr_exclcreat bitmap 2026-01-02 12:57:23 +01:00
nfs4xdr_gen.c nfsd: rename NFS4_SHARE_WANT_* constants to OPEN4_SHARE_ACCESS_WANT_* 2025-01-21 15:30:01 -05:00
nfs4xdr_gen.h nfsd: rename NFS4_SHARE_WANT_* constants to OPEN4_SHARE_ACCESS_WANT_* 2025-01-21 15:30:01 -05:00
nfscache.c NFSD: Reduce DRC bucket size 2025-09-21 19:24:50 -04:00
nfsctl.c nfsd: check that server is running in unlock_filesystem 2026-01-17 16:35:10 +01:00
nfsd.h NFSD: Remove NFSERR_EAGAIN 2026-01-17 16:35:10 +01:00
nfsfh.c nfsd-6.18 fixes: 2025-11-12 18:41:01 -08:00
nfsfh.h NFSD: Move the fh_getattr() helper 2025-09-21 19:24:50 -04:00
nfsproc.c sunrpc: simplify xdr_init_encode_pages 2025-07-14 12:46:37 -04:00
nfssvc.c NFSD: net ref data still needs to be freed even if net hasn't startup 2026-01-17 16:35:10 +01:00
nfsxdr.c NFSD: Remove NFSSVC_MAXBLKSIZE_V2 macro 2025-05-15 16:16:28 -04:00
pnfs.h NFSD: Do the grace period check in ->proc_layoutget 2025-10-01 15:54:01 -04:00
state.h nfsd: check that server is running in unlock_filesystem 2026-01-17 16:35:10 +01:00
stats.c nfsd: don't ignore the return code of svc_proc_register() 2025-03-10 09:10:59 -04:00
stats.h nfsd: don't ignore the return code of svc_proc_register() 2025-03-10 09:10:59 -04:00
trace.c NFSD: Add SPDX header for fs/nfsd/trace.c 2020-11-30 13:00:24 -05:00
trace.h NFSD: filecache: add STATX_DIOALIGN and STATX_DIO_READ_ALIGN support 2025-09-30 16:10:05 -04:00
vfs.c NFSD: Fix permission check for read access to executable-only files 2026-01-17 16:35:10 +01:00
vfs.h NFSD: NFSv4 file creation neglects setting ACL 2026-01-02 12:57:23 +01:00
xdr.h NFSD: prevent underflow in nfssvc_decode_writeargs() 2022-03-15 09:35:56 -04:00
xdr3.h nfsd: Fix NFSv3 atomicity bugs in nfsd_setattr() 2024-03-01 09:12:33 -05:00
xdr4.h nfsd: ensure SEQUENCE replay sends a valid reply. 2025-11-10 09:31:52 -05:00
xdr4cb.h NFSD: Implement CB_SEQUENCE referring call lists 2025-05-11 19:48:20 -04:00