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bdev: enqueue IOs on the memory domain queue only when pushing

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The IOs don't need to be put onto the io_memory_domain queue if there's
no need for memory domain push.  This makes push_data consistent with
other memory domain operations (pull_data, pull_md, push_md).

Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Change-Id: I85d95f6ce580a15b23f56ab5101e49236f341cb1
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/17763
Reviewed-by: Shuhei Matsumoto <smatsumoto@nvidia.com>
Reviewed-by: Aleksey Marchuk <alexeymar@nvidia.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Konrad Sztyber 2023-04-24 14:53:52 +02:00 committed by Jim Harris
parent 6a0d4e5ed8
commit fafb7d4741
1 changed files with 20 additions and 10 deletions
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30
lib/bdev/bdev.c
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@ -1602,16 +1602,12 @@ bdev_io_push_bounce_md_buf(struct spdk_bdev_io *bdev_io)
bdev_io->internal.data_transfer_cpl(bdev_io, rc);
}
static void
_bdev_io_push_bounce_data_buffer_done(void *ctx, int rc)
static inline void
bdev_io_push_bounce_data_buffer_done(void *ctx, int rc)
{
struct spdk_bdev_io *bdev_io = ctx;
struct spdk_bdev_channel *ch = bdev_io->internal.ch;
assert(bdev_io->internal.data_transfer_cpl);
TAILQ_REMOVE(&ch->io_memory_domain, bdev_io, internal.link);
bdev_io_decrement_outstanding(ch, ch->shared_resource);
if (rc) {
bdev_io->internal.data_transfer_cpl(bdev_io, rc);
return;
@ -1627,6 +1623,18 @@ _bdev_io_push_bounce_data_buffer_done(void *ctx, int rc)
bdev_io_push_bounce_md_buf(bdev_io);
}
static void
_bdev_io_push_bounce_data_buffer_done(void *ctx, int status)
{
struct spdk_bdev_io *bdev_io = ctx;
struct spdk_bdev_channel *ch = bdev_io->internal.ch;
TAILQ_REMOVE(&ch->io_memory_domain, bdev_io, internal.link);
bdev_io_decrement_outstanding(ch, ch->shared_resource);
bdev_io_push_bounce_data_buffer_done(ctx, status);
}
static inline void
bdev_io_push_bounce_data(struct spdk_bdev_io *bdev_io)
{
@ -1634,12 +1642,11 @@ bdev_io_push_bounce_data(struct spdk_bdev_io *bdev_io)
int rc = 0;
assert(bdev_io->internal.status == SPDK_BDEV_IO_STATUS_SUCCESS);
TAILQ_INSERT_TAIL(&ch->io_memory_domain, bdev_io, internal.link);
bdev_io_increment_outstanding(ch, ch->shared_resource);
/* if this is read path, copy data from bounce buffer to original buffer */
if (bdev_io->type == SPDK_BDEV_IO_TYPE_READ) {
if (bdev_io_use_memory_domain(bdev_io)) {
TAILQ_INSERT_TAIL(&ch->io_memory_domain, bdev_io, internal.link);
bdev_io_increment_outstanding(ch, ch->shared_resource);
/* If memory domain is used then we need to call async push function */
rc = spdk_memory_domain_push_data(bdev_io->internal.memory_domain,
bdev_io->internal.memory_domain_ctx,
@ -1652,6 +1659,9 @@ bdev_io_push_bounce_data(struct spdk_bdev_io *bdev_io)
/* Continue IO completion in async callback */
return;
}
TAILQ_REMOVE(&ch->io_memory_domain, bdev_io, internal.link);
bdev_io_decrement_outstanding(ch, ch->shared_resource);
SPDK_ERRLOG("Failed to push data to memory domain %s\n",
spdk_memory_domain_get_dma_device_id(bdev_io->internal.memory_domain));
} else {
@ -1662,7 +1672,7 @@ bdev_io_push_bounce_data(struct spdk_bdev_io *bdev_io)
}
}
_bdev_io_push_bounce_data_buffer_done(bdev_io, rc);
bdev_io_push_bounce_data_buffer_done(bdev_io, rc);
}
static inline void