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bdca3c87fb
Add tracking of REQ_OP_DISCARD ios to the partition statistics and append them to the various stat files in /sys as well as /proc/diskstats. These are tracked with the same four stats as reads and writes: Number of discard ios completed. Number of discard ios merged Number of discard sectors completed Milliseconds spent on discard requests This is done via adding a new STAT_DISCARD define to genhd.h and then using it to index that stat field for discard requests. tj: Refreshed on top of v4.17 and other previous updates. Signed-off-by: Michael Callahan <michaelcallahan@fb.com> Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Andy Newell <newella@fb.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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| .. | ||
| 00-INDEX | ||
| bfq-iosched.txt | ||
| biodoc.txt | ||
| biovecs.txt | ||
| capability.txt | ||
| cfq-iosched.txt | ||
| cmdline-partition.txt | ||
| data-integrity.txt | ||
| deadline-iosched.txt | ||
| ioprio.txt | ||
| kyber-iosched.txt | ||
| null_blk.txt | ||
| pr.txt | ||
| queue-sysfs.txt | ||
| request.txt | ||
| stat.txt | ||
| switching-sched.txt | ||
| writeback_cache_control.txt | ||