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75acacb658
linux/fs/nfsd
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Chuck Lever 75acacb658 NFSD: Trace boot verifier resets 
According to commit bbf2f09883 ("nfsd: Reset the boot verifier on
all write I/O errors"), the Linux NFS server forces all clients to
resend pending unstable writes if any server-side write or commit
operation encounters an error (say, ENOSPC). This is a rare and
quite exceptional event that could require administrative recovery
action, so it should be made trace-able. Example trace event:

nfsd-938   [002]  7174.945558: nfsd_writeverf_reset: boot_time=        61cc920d xid=0xdcd62036 error=-28 new verifier=0x08aecc6142515904

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2022-01-08 14:42:03 -05:00
..
acl.h nfsd: eliminate an unnecessary acl size limit 2019-08-28 21:13:45 -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/blocklayout: use ->get_unique_id instead of sending SCSI commands 2021-10-22 08:33:57 -06:00
blocklayoutxdr.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
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 nfsd4: make drc_slab global, not per-net 2020-06-01 17:44:45 -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 idmapped-mounts-v5.12 2021-02-23 13:39:45 -08:00
export.h nfsd: report per-export stats 2021-01-25 09:36:28 -05:00
fault_inject.c nfsd: no need to check return value of debugfs_create functions 2019-07-03 16:57:17 +02:00
filecache.c NFSD: Rename boot verifier functions 2022-01-08 14:42:02 -05:00
filecache.h nfsd: Replace use of rwsem with errseq_t 2022-01-08 14:42:02 -05:00
flexfilelayout.c NFSD: simplify struct nfsfh 2021-10-02 15:51:10 -04:00
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 nfsd/blocklayout: use ->get_unique_id instead of sending SCSI commands 2021-10-22 08:33:57 -06:00
lockd.c NFSD: simplify struct nfsfh 2021-10-02 15:51:10 -04:00
Makefile nfsd: remove fault injection code 2020-09-25 18:01:26 -04:00
netns.h NFSD: Rename boot verifier functions 2022-01-08 14:42:02 -05:00
nfs2acl.c SUNRPC: Change return value type of .pc_encode 2021-10-13 11:34:49 -04:00
nfs3acl.c SUNRPC: Change return value type of .pc_encode 2021-10-13 11:34:49 -04:00
nfs3proc.c NFSD: Fix zero-length NFSv3 WRITEs 2022-01-08 14:42:01 -05:00
nfs3xdr.c SUNRPC: Change return value type of .pc_encode 2021-10-13 11:34:49 -04:00
nfs4acl.c acl: handle idmapped mounts 2021-01-24 14:27:17 +01:00
nfs4callback.c NFSD: simplify struct nfsfh 2021-10-02 15:51:10 -04:00
nfs4idmap.c nfsd: Use seq_putc() in two functions 2020-07-13 17:28:46 -04:00
nfs4layouts.c nfsd/blocklayout: use ->get_unique_id instead of sending SCSI commands 2021-10-22 08:33:57 -06:00
nfs4proc.c NFSD: Rename boot verifier functions 2022-01-08 14:42:02 -05:00
nfs4recover.c nfsd: Fix nsfd startup race (again) 2021-12-10 11:54:59 -05:00
nfs4state.c nfsd4: add refcount for nfsd4_blocked_lock 2022-01-08 14:42:01 -05:00
nfs4xdr.c NFSD: De-duplicate nfsd4_decode_bitmap4() 2022-01-08 14:42:01 -05:00
nfscache.c NFSD: Remove be32_to_cpu() from DRC hash function 2021-12-13 13:42:59 -05:00
nfsctl.c NFSD: Clean up the nfsd_net::nfssvc_boot field 2022-01-08 14:42:02 -05:00
nfsd.h SUNRPC/NFSD: clean up get/put functions. 2021-12-13 13:42:50 -05:00
nfsfh.c NFSD: simplify struct nfsfh 2021-10-02 15:51:10 -04:00
nfsfh.h NFSD: simplify struct nfsfh 2021-10-02 15:51:10 -04:00
nfsproc.c nfsd: Retry once in nfsd_open on an -EOPENSTALE return 2022-01-08 14:42:02 -05:00
nfssvc.c NFSD: Rename boot verifier functions 2022-01-08 14:42:02 -05:00
nfsxdr.c SUNRPC: Change return value type of .pc_encode 2021-10-13 11:34:49 -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 nfsd4: add refcount for nfsd4_blocked_lock 2022-01-08 14:42:01 -05:00
stats.c nfsd: make nfsd_stats.th_cnt atomic_t 2021-12-13 13:42:51 -05:00
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: Trace boot verifier resets 2022-01-08 14:42:03 -05:00
vfs.c NFSD: Trace boot verifier resets 2022-01-08 14:42:03 -05:00
vfs.h nfsd: Add a tracepoint for errors in nfsd4_clone_file_range() 2022-01-08 14:42:02 -05:00
xdr.h SUNRPC: Change return value type of .pc_encode 2021-10-13 11:34:49 -04:00
xdr3.h SUNRPC: Change return value type of .pc_encode 2021-10-13 11:34:49 -04:00
xdr4.h SUNRPC: Change return value type of .pc_encode 2021-10-13 11:34:49 -04:00
xdr4cb.h NFSD CB_OFFLOAD xdr 2018-09-25 20:34:54 -04:00