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linux/fs/nfsd
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Dai Ngo 147abcacee NFSD: Fix problem of COMMIT and NFS4ERR_DELAY in infinite loop 
The following request sequence to the same file causes the NFS client and
server getting into an infinite loop with COMMIT and NFS4ERR_DELAY:

OPEN
REMOVE
WRITE
COMMIT

Problem reported by recall11, recall12, recall14, recall20, recall22,
recall40, recall42, recall48, recall50 of nfstest suite.

This patch restores the handling of race condition in nfsd_file_do_acquire
with unlink to that prior of the regression.

Fixes: ac3a2585f0 ("nfsd: rework refcounting in filecache")
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-04-27 18:49:24 -04:00
..
acl.h NFSD: add posix ACLs to struct nfsd_attrs 2022-08-04 10:28:03 -04:00
auth.c nfsd: auth: Fix gid sorting when rootsquash enabled 2018-01-22 20:13:07 -08:00
auth.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
blocklayout.c nfsd: call op_release, even when op_func returns an error 2023-03-31 17:29:49 -04:00
blocklayoutxdr.c nfsd: move nfserrno() to vfs.c 2022-11-28 12:54:44 -05:00
blocklayoutxdr.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cache.h nfsd: use DEFINE_SHOW_ATTRIBUTE to define nfsd_reply_cache_stats_fops 2022-09-26 14:02:50 -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
export.c SUNRPC: return proper error from get_expiry() 2023-04-26 09:05:00 -04:00
export.h nfsd: move nfserrno() to vfs.c 2022-11-28 12:54:44 -05:00
filecache.c NFSD: Fix problem of COMMIT and NFS4ERR_DELAY in infinite loop 2023-04-27 18:49:24 -04:00
filecache.h NFSD: Convert filecache to rhltable 2023-04-26 09:04:59 -04:00
flexfilelayout.c nfsd: move nfserrno() to vfs.c 2022-11-28 12:54:44 -05:00
flexfilelayoutxdr.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
flexfilelayoutxdr.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
idmap.h
Kconfig NFS & NFSD: Update GSS dependencies 2023-03-10 09:38:47 -05:00
lockd.c NFSD: simplify struct nfsfh 2021-10-02 15:51:10 -04:00
Makefile nfsd: allow disabling NFSv2 at compile time 2022-11-28 12:54:45 -05:00
netns.h File locking changes for v6.3 2023-02-20 11:10:38 -08:00
nfs2acl.c NFSD 6.3 Release Notes 2023-02-22 14:21:40 -08:00
nfs3acl.c NFSD 6.3 Release Notes 2023-02-22 14:21:40 -08:00
nfs3proc.c NFSD 6.3 Release Notes 2023-02-22 14:21:40 -08:00
nfs3xdr.c NFSD: Clean up WRITE arg decoders 2022-09-26 14:02:47 -04:00
nfs4acl.c fs: rename current get acl method 2022-10-20 10:13:27 +02:00
nfs4callback.c NFSD: callback request does not use correct credential for AUTH_SYS 2023-04-04 09:55:27 -04:00
nfs4idmap.c SUNRPC: return proper error from get_expiry() 2023-04-26 09:05:00 -04:00
nfs4layouts.c nfsd: fix race to check ls_layouts 2023-02-20 09:20:56 -05:00
nfs4proc.c NFSD: fix problems with cleanup on errors in nfsd4_copy 2023-02-20 09:20:57 -05:00
nfs4recover.c fs: port vfs_*() helpers to struct mnt_idmap 2023-01-18 17:51:45 +01:00
nfs4state.c NFSD 6.3 Release Notes 2023-02-22 14:21:40 -08:00
nfs4xdr.c nfsd-6.3 fixes: 2023-04-04 11:20:55 -07:00
nfscache.c SUNRPC: Refactor RPC server dispatch method 2023-02-20 09:20:31 -05:00
nfsctl.c NFSD: Clean up nfsd_symlink() 2023-02-20 09:20:59 -05:00
nfsd.h SUNRPC: Refactor RPC server dispatch method 2023-02-20 09:20:31 -05:00
nfsfh.c fs.idmapped.v6.3 2023-02-20 11:53:11 -08:00
nfsfh.h nfsd: move nfsd4_change_attribute to nfsfh.c 2023-01-26 07:00:06 -05:00
nfsproc.c NFSD 6.3 Release Notes 2023-02-22 14:21:40 -08:00
nfssvc.c NFSD: copy the whole verifier in nfsd_copy_write_verifier 2023-02-20 09:20:59 -05:00
nfsxdr.c NFSD: Clean up WRITE arg decoders 2022-09-26 14:02:47 -04:00
pnfs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
state.h nfsd: don't take nfsd4_copy ref for OP_OFFLOAD_STATUS 2023-02-20 09:20:51 -05:00
stats.c nfsd: use DEFINE_PROC_SHOW_ATTRIBUTE to define nfsd_proc_ops 2022-09-26 14:02:49 -04:00
stats.h nfsd: make nfsd_stats.th_cnt atomic_t 2021-12-13 13:42:51 -05:00
trace.c NFSD: Add SPDX header for fs/nfsd/trace.c 2020-11-30 13:00:24 -05:00
trace.h nfsd: don't fsync nfsd_files on last close 2023-02-20 09:20:59 -05:00
vfs.c NFSD: Watch for rq_pages bounds checking errors in nfsd_splice_actor() 2023-04-26 09:05:01 -04:00
vfs.h nfsd: use the getattr operation to fetch i_version 2023-01-26 07:00:06 -05:00
xdr.h NFSD: prevent underflow in nfssvc_decode_writeargs() 2022-03-15 09:35:56 -04:00
xdr3.h SUNRPC: Change return value type of .pc_encode 2021-10-13 11:34:49 -04:00
xdr4.h NFSD: enhance inter-server copy cleanup 2023-02-20 09:20:21 -05:00
xdr4cb.h NFSD: add support for sending CB_RECALL_ANY 2022-12-10 11:01:12 -05:00