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>
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@ -40,7 +40,7 @@
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*
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* Would result in the log looking like this:
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*
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* c,a,flush,fuad,b,<other writes>,<next flush>
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* c,a,b,flush,fuad,<other writes>,<next flush>
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*
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* This is meant to help expose problems where file systems do not properly wait
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* on data being written before invoking a FLUSH. FUA bypasses cache so once it
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