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mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-30 06:25:03 +08:00
linux/drivers/lightnvm
Michael Callahan ddcf35d397 block: Add and use op_stat_group() for indexing disk_stat fields.
Add and use a new op_stat_group() function for indexing partition stat
fields rather than indexing them by rq_data_dir() or bio_data_dir().
This function works similarly to op_is_sync() in that it takes the
request::cmd_flags or bio::bi_opf flags and determines which stats
should et updated.

In addition, the second parameter to generic_start_io_acct() and
generic_end_io_acct() is now a REQ_OP rather than simply a read or
write bit and it uses op_stat_group() on the parameter to determine
the stat group.

Note that the partition in_flight counts are not part of the per-cpu
statistics and as such are not indexed via this function.  It's now
indexed by op_is_write().

tj: Refreshed on top of v4.17.  Updated to pass around REQ_OP.

Signed-off-by: Michael Callahan <michaelcallahan@fb.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Joshua Morris <josh.h.morris@us.ibm.com>
Cc: Philipp Reisner <philipp.reisner@linbit.com>
Cc: Matias Bjorling <mb@lightnvm.io>
Cc: Kent Overstreet <kent.overstreet@gmail.com>
Cc: Alasdair Kergon <agk@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-07-18 08:44:20 -06:00
..
core.c lightnvm: pass flag on graceful teardown to targets 2018-06-01 07:43:53 -06:00
Kconfig lightnvm: move NVM_DEBUG to pblk 2018-07-13 08:14:31 -06:00
Makefile lightnvm: remove rrpc 2018-01-05 08:50:12 -07:00
pblk-cache.c block: Add and use op_stat_group() for indexing disk_stat fields. 2018-07-18 08:44:20 -06:00
pblk-core.c lightnvm: pblk: mark expected switch fall-through 2018-07-13 08:14:45 -06:00
pblk-gc.c lightnvm: pblk: expose generic disk name on pr_* msgs 2018-07-13 08:14:43 -06:00
pblk-init.c lightnvm: pblk: assume that chunks are closed on 1.2 devices 2018-07-13 08:14:49 -06:00
pblk-map.c lightnvm: pblk: fail gracefully on line alloc. failure 2018-06-01 07:43:53 -06:00
pblk-rb.c lightnvm: pblk: expose generic disk name on pr_* msgs 2018-07-13 08:14:43 -06:00
pblk-read.c block: Add and use op_stat_group() for indexing disk_stat fields. 2018-07-18 08:44:20 -06:00
pblk-recovery.c lightnvm: pblk: expose generic disk name on pr_* msgs 2018-07-13 08:14:43 -06:00
pblk-rl.c lightnvm: pblk: garbage collect lines with failed writes 2018-06-01 09:02:53 -06:00
pblk-sysfs.c lightnvm: pblk: expose generic disk name on pr_* msgs 2018-07-13 08:14:43 -06:00
pblk-write.c lightnvm: pblk: expose generic disk name on pr_* msgs 2018-07-13 08:14:43 -06:00
pblk.h lightnvm: pblk: add asynchronous partial read 2018-07-13 08:14:47 -06:00