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Commit 75acacb6 authored by Chuck Lever's avatar Chuck Lever
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NFSD: Trace boot verifier resets



According to commit bbf2f098 ("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: default avatarChuck Lever <chuck.lever@oracle.com>
parent 3988a578
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