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(parent: d4f489d) | patch
NFSD: Write verifier might go backwards
authorChuck Lever <chuck.lever@oracle.com>
Thu, 30 Dec 2021 15:26:18 +0000 (10:26 -0500)
committerChuck Lever <chuck.lever@oracle.com>
Sat, 8 Jan 2022 19:42:02 +0000 (14:42 -0500)
commit49c5b1cbf9bd4959720a590aeb48a088ede72ddf
tree92edd125eee8a4d0e952ad936080a0b3b78fbcc2tree | snapshot
parentd4f489d3a9230c68fe7f9bf860c5a5666972e2f4commit | diff
NFSD: Write verifier might go backwards

When vfs_iter_write() starts to fail because a file system is full,
a bunch of writes can fail at once with ENOSPC. These writes
repeatedly invoke nfsd_reset_boot_verifier() in quick succession.

Ensure that the time it grabs doesn't go backwards due to an ntp
adjustment going on at the same time.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
fs/nfsd/nfssvc.c diff | blob | history
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