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| author | Qu Wenruo <wqu@suse.com> | 2019-06-18 13:39:38 +0800 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2019-07-09 14:13:33 -0400 |
| commit | 7537dad791cdbaf856c05f9dd977556ccd830ef0 (patch) | |
| tree | 431b682cceab62f0a1cc974bd60323724d63bff5 /drivers/md | |
| parent | d4e6e83651777224c0259e01dde5eb078f9e6b1d (diff) | |
| download | lwn-7537dad791cdbaf856c05f9dd977556ccd830ef0.tar.gz lwn-7537dad791cdbaf856c05f9dd977556ccd830ef0.zip | |
dm log writes: fix incorrect comment about the logged sequence example
dm-log-writes records the sequence of completion, not submission, thus
for the following sequence (W=write, C=complete):
Wa,Wb,Wc,Cc,Ca,FLUSH,FUAd,Cb,CFLUSH,CFUAd
The logged results in log device should be:
c,a,b,flush,fua
Fix the comment to give a better example.
Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/dm-log-writes.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/dm-log-writes.c b/drivers/md/dm-log-writes.c index 0837b17e1798..99721c76225d 100644 --- a/drivers/md/dm-log-writes.c +++ b/drivers/md/dm-log-writes.c @@ -40,7 +40,7 @@ * * Would result in the log looking like this: * - * c,a,flush,fuad,b,<other writes>,<next flush> + * c,a,b,flush,fuad,<other writes>,<next flush> * * This is meant to help expose problems where file systems do not properly wait * on data being written before invoking a FLUSH. FUA bypasses cache so once it |