d/numam-spdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

bdev/delay: Return poller status based on completions number

Browse Source 
Signed-off-by: Maciej Szwed <maciej.szwed@intel.com>
Change-Id: I54d4a41602f678aed4d2df61d7059adc1ae37f78
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/3235
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Mellanox Build Bot
Community-CI: Broadcom CI
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Maciej Szwed 2020-07-07 09:47:21 +02:00 committed by Tomasz Zawadzki
parent 5550beb879
commit b1bb9917a9
1 changed files with 11 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
module/bdev/delay/vbdev_delay.c
View File

@ -165,16 +165,18 @@ vbdev_delay_destruct(void *ctx)
return 0;
}
static void
static int
_process_io_stailq(void *arg, uint64_t ticks)
{
STAILQ_HEAD(, delay_bdev_io) *head = arg;
struct delay_bdev_io *io_ctx, *tmp;
int completions = 0;
STAILQ_FOREACH_SAFE(io_ctx, head, link, tmp) {
if (io_ctx->completion_tick <= ticks) {
STAILQ_REMOVE(head, io_ctx, delay_bdev_io, link);
spdk_bdev_io_complete(spdk_bdev_io_from_ctx(io_ctx), io_ctx->status);
completions++;
} else {
/* In the general case, I/O will become ready in an fifo order. When timeouts are dynamically
* changed, this is not necessarily the case. However, the normal behavior will be restored
@ -186,6 +188,8 @@ _process_io_stailq(void *arg, uint64_t ticks)
break;
}
}
return completions;
}
static int
@ -193,13 +197,14 @@ _delay_finish_io(void *arg)
{
struct delay_io_channel *delay_ch = arg;
uint64_t ticks = spdk_get_ticks();
int completions = 0;
_process_io_stailq(&delay_ch->avg_read_io, ticks);
_process_io_stailq(&delay_ch->avg_write_io, ticks);
_process_io_stailq(&delay_ch->p99_read_io, ticks);
_process_io_stailq(&delay_ch->p99_write_io, ticks);
completions += _process_io_stailq(&delay_ch->avg_read_io, ticks);
completions += _process_io_stailq(&delay_ch->avg_write_io, ticks);
completions += _process_io_stailq(&delay_ch->p99_read_io, ticks);
completions += _process_io_stailq(&delay_ch->p99_write_io, ticks);
return SPDK_POLLER_BUSY;
return completions == 0 ? SPDK_POLLER_IDLE : SPDK_POLLER_BUSY;
}
/* Completion callback for IO that were issued from this bdev. The original bdev_io