ivampiresp/Spdk
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

bdev/malloc: pass bdev_io to bdev_malloc_readv()

Browse Source 
It reduces the size of the parameter list, which was already pretty
long, and will make it easier to use other bdev_io's fields (e.g. memory
domain, accel sequence).

Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Change-Id: I43a9d3a7cbb77915c00879c43540c9ec725c52d2
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/17197
Reviewed-by: Aleksey Marchuk <alexeymar@nvidia.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Mellanox Build Bot
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Konrad Sztyber 2023-03-09 09:23:30 +01:00 committed by David Ko
parent a2a8f19ce2
commit 45d129191d
1 changed files with 21 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

47
module/bdev/malloc/bdev_malloc.c
View File

@ -194,16 +194,17 @@ bdev_malloc_check_iov_len(struct iovec *iovs, int iovcnt, size_t nbytes)
static void
bdev_malloc_readv(struct malloc_disk *mdisk, struct spdk_io_channel *ch,
struct malloc_task *task,
struct iovec *iov, int iovcnt, size_t len, uint64_t offset,
void *md_buf, size_t md_len, uint64_t md_offset)
struct malloc_task *task, struct spdk_bdev_io *bdev_io)
{
int64_t res = 0;
uint64_t len, offset, md_offset;
int i, res = 0;
void *src;
void *md_src;
int i;
size_t md_len;
if (bdev_malloc_check_iov_len(iov, iovcnt, len)) {
len = bdev_io->u.bdev.num_blocks * bdev_io->bdev->blocklen;
offset = bdev_io->u.bdev.offset_blocks * bdev_io->bdev->blocklen;
if (bdev_malloc_check_iov_len(bdev_io->u.bdev.iovs, bdev_io->u.bdev.iovcnt, len)) {
spdk_bdev_io_complete(spdk_bdev_io_from_ctx(task),
SPDK_BDEV_IO_STATUS_FAILED);
return;
@ -213,36 +214,37 @@ bdev_malloc_readv(struct malloc_disk *mdisk, struct spdk_io_channel *ch,
task->num_outstanding = 0;
SPDK_DEBUGLOG(bdev_malloc, "read %zu bytes from offset %#" PRIx64 ", iovcnt=%d\n",
len, offset, iovcnt);
len, offset, bdev_io->u.bdev.iovcnt);
src = mdisk->malloc_buf + offset;
for (i = 0; i < iovcnt; i++) {
for (i = 0; i < bdev_io->u.bdev.iovcnt; i++) {
task->num_outstanding++;
res = spdk_accel_submit_copy(ch, iov[i].iov_base,
src, iov[i].iov_len, 0, malloc_done, task);
res = spdk_accel_submit_copy(ch, bdev_io->u.bdev.iovs[i].iov_base, src,
bdev_io->u.bdev.iovs[i].iov_len, 0, malloc_done, task);
if (res != 0) {
malloc_done(task, res);
break;
}
src += iov[i].iov_len;
len -= iov[i].iov_len;
src += bdev_io->u.bdev.iovs[i].iov_len;
len -= bdev_io->u.bdev.iovs[i].iov_len;
}
if (md_buf == NULL) {
if (bdev_io->u.bdev.md_buf == NULL) {
return;
}
md_len = bdev_io->u.bdev.num_blocks * bdev_io->bdev->md_len;
md_offset = bdev_io->u.bdev.offset_blocks * bdev_io->bdev->md_len;
SPDK_DEBUGLOG(bdev_malloc, "read metadata %zu bytes from offset%#" PRIx64 "\n",
md_len, md_offset);
md_src = mdisk->malloc_md_buf + md_offset;
task->num_outstanding++;
res = spdk_accel_submit_copy(ch, md_buf, md_src, md_len, 0, malloc_done, task);
res = spdk_accel_submit_copy(ch, bdev_io->u.bdev.md_buf, mdisk->malloc_md_buf + md_offset,
md_len, 0, malloc_done, task);
if (res != 0) {
malloc_done(task, res);
}
@ -359,14 +361,7 @@ _bdev_malloc_submit_request(struct malloc_channel *mch, struct spdk_bdev_io *bde
return 0;
}
bdev_malloc_readv(disk, mch->accel_channel, task,
bdev_io->u.bdev.iovs,
bdev_io->u.bdev.iovcnt,
bdev_io->u.bdev.num_blocks * block_size,
bdev_io->u.bdev.offset_blocks * block_size,
bdev_io->u.bdev.md_buf,
bdev_io->u.bdev.num_blocks * md_size,
bdev_io->u.bdev.offset_blocks * md_size);
bdev_malloc_readv(disk, mch->accel_channel, task, bdev_io);
return 0;
case SPDK_BDEV_IO_TYPE_WRITE: