NFS: Introduce trace events triggered by page writeback errors

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Try to capture the reason for the writeback path tagging an error on
a page.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

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Chuck Lever 2019-12-23 10:28:33 -05:00 • committed by Anna Schumaker

parent abf8af78a6

commit 861e1671bc

2 changed files with 48 additions and 0 deletions

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45

fs/nfs/nfstrace.h

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3

fs/nfs/write.c

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