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authorDave Chinner <dchinner@redhat.com>2013-11-01 15:27:18 +1100
committerBen Myers <bpm@sgi.com>2013-11-06 12:41:51 -0600
commit750b9c90668b173a92b20e747b9736b8537eda5a (patch)
tree2927a0bd0072fc35c2436e62d4f720ea381bc5fa /fs/bio.c
parent273203699f82667296e1f14344c5a5a6c4600470 (diff)
downloadlinux-750b9c90668b173a92b20e747b9736b8537eda5a.tar.bz2
xfs: trace AIL manipulations
I debugging a log tail issue on a RHEL6 kernel, I added these trace points to trace log items being added, moved and removed in the AIL and how that affected the log tail LSN that was written to the log. They were very helpful in that they immediately identified the cause of the problem being seen. Hence I'd like to always have them available for use. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Ben Myers <bpm@sgi.com>
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