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Re: [Qemu-devel] [PATCH v9 7/9] scsi: account unmap operations
From: |
Vladimir Sementsov-Ogievskiy |
Subject: |
Re: [Qemu-devel] [PATCH v9 7/9] scsi: account unmap operations |
Date: |
Sat, 7 Sep 2019 14:19:40 +0000 |
06.09.2019 19:01, Anton Nefedov wrote:
> Signed-off-by: Anton Nefedov <address@hidden>
Reviewed-by: Vladimir Sementsov-Ogievskiy <address@hidden>
> ---
> hw/scsi/scsi-disk.c | 12 +++++++++++-
> 1 file changed, 11 insertions(+), 1 deletion(-)
>
> diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
> index a002fdabe8..68b1675fd9 100644
> --- a/hw/scsi/scsi-disk.c
> +++ b/hw/scsi/scsi-disk.c
> @@ -1617,10 +1617,16 @@ static void scsi_unmap_complete_noio(UnmapCBData
> *data, int ret)
> r->sector_count = (ldl_be_p(&data->inbuf[8]) & 0xffffffffULL)
> * (s->qdev.blocksize / BDRV_SECTOR_SIZE);
> if (!check_lba_range(s, r->sector, r->sector_count)) {
> + block_acct_invalid(blk_get_stats(s->qdev.conf.blk),
> + BLOCK_ACCT_UNMAP);
> scsi_check_condition(r, SENSE_CODE(LBA_OUT_OF_RANGE));
> goto done;
> }
>
> + block_acct_start(blk_get_stats(s->qdev.conf.blk), &r->acct,
> + r->sector_count * BDRV_SECTOR_SIZE,
> + BLOCK_ACCT_UNMAP);
> +
> r->req.aiocb = blk_aio_pdiscard(s->qdev.conf.blk,
> r->sector * BDRV_SECTOR_SIZE,
> r->sector_count * BDRV_SECTOR_SIZE,
> @@ -1647,10 +1653,11 @@ static void scsi_unmap_complete(void *opaque, int ret)
> r->req.aiocb = NULL;
>
> aio_context_acquire(blk_get_aio_context(s->qdev.conf.blk));
> - if (scsi_disk_req_check_error(r, ret, false)) {
> + if (scsi_disk_req_check_error(r, ret, true)) {
> scsi_req_unref(&r->req);
> g_free(data);
> } else {
> + block_acct_done(blk_get_stats(s->qdev.conf.blk), &r->acct);
> scsi_unmap_complete_noio(data, ret);
> }
> aio_context_release(blk_get_aio_context(s->qdev.conf.blk));
> @@ -1682,6 +1689,7 @@ static void scsi_disk_emulate_unmap(SCSIDiskReq *r,
> uint8_t *inbuf)
> }
>
> if (blk_is_read_only(s->qdev.conf.blk)) {
> + block_acct_invalid(blk_get_stats(s->qdev.conf.blk),
> BLOCK_ACCT_UNMAP);
> scsi_check_condition(r, SENSE_CODE(WRITE_PROTECTED));
> return;
> }
> @@ -1697,10 +1705,12 @@ static void scsi_disk_emulate_unmap(SCSIDiskReq *r,
> uint8_t *inbuf)
> return;
>
> invalid_param_len:
> + block_acct_invalid(blk_get_stats(s->qdev.conf.blk), BLOCK_ACCT_UNMAP);
> scsi_check_condition(r, SENSE_CODE(INVALID_PARAM_LEN));
> return;
>
> invalid_field:
> + block_acct_invalid(blk_get_stats(s->qdev.conf.blk), BLOCK_ACCT_UNMAP);
> scsi_check_condition(r, SENSE_CODE(INVALID_FIELD));
> }
>
>
--
Best regards,
Vladimir
- [Qemu-devel] [PATCH v9 0/9] discard blockstats, Anton Nefedov, 2019/09/06
- [Qemu-devel] [PATCH v9 1/9] qapi: group BlockDeviceStats fields, Anton Nefedov, 2019/09/06
- [Qemu-devel] [PATCH v9 2/9] qapi: add unmap to BlockDeviceStats, Anton Nefedov, 2019/09/06
- [Qemu-devel] [PATCH v9 6/9] scsi: move unmap error checking to the complete callback, Anton Nefedov, 2019/09/06
- [Qemu-devel] [PATCH v9 5/9] scsi: store unmap offset and nb_sectors in request struct, Anton Nefedov, 2019/09/06
- [Qemu-devel] [PATCH v9 3/9] block: add empty account cookie type, Anton Nefedov, 2019/09/06
- [Qemu-devel] [PATCH v9 8/9] file-posix: account discard operations, Anton Nefedov, 2019/09/06
- [Qemu-devel] [PATCH v9 7/9] scsi: account unmap operations, Anton Nefedov, 2019/09/06
- Re: [Qemu-devel] [PATCH v9 7/9] scsi: account unmap operations,
Vladimir Sementsov-Ogievskiy <=
- [Qemu-devel] [PATCH v9 9/9] qapi: query-blockstat: add driver specific file-posix stats, Anton Nefedov, 2019/09/06
- [Qemu-devel] [PATCH v9 4/9] ide: account UNMAP (TRIM) operations, Anton Nefedov, 2019/09/06
- Re: [PATCH v9 0/9] discard blockstats, Max Reitz, 2019/09/23