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CVS commit: [jdolecek-ncq] src/sys/dev/ata



Module Name:    src
Committed By:   jdolecek
Date:           Sun Aug 13 11:40:25 UTC 2017

Modified Files:
        src/sys/dev/ata [jdolecek-ncq]: wd.c

Log Message:
restore the fallback to non-NCQ on retries, do this after WDIORETRIES_SINGLE
retries, but only for non-FUA I/O; also only do the ATA_SINGLE fallback
when non-FUA

this makes sure that bio with ATA_SINGLE is not attempted as NCQ -
the ATA_SINGLE I/O is usually done using PIO by drivers which
actually support it, and thus are not compatible with DMA-only NCQ


To generate a diff of this commit:
cvs rdiff -u -r1.428.2.32 -r1.428.2.33 src/sys/dev/ata/wd.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.




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