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block: Use bdrv_is_sg() everywhere
Instead of checking bs->sg use bdrv_is_sg() consistently throughout the code. Signed-off-by: Dimitris Aragiorgis <dimara@arrikto.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1435056300-14924-2-git-send-email-dimara@arrikto.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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6
block.c
6
block.c
@ -585,7 +585,7 @@ static int find_image_format(BlockDriverState *bs, const char *filename,
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int ret = 0;
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/* Return the raw BlockDriver * to scsi-generic devices or empty drives */
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if (bs->sg || !bdrv_is_inserted(bs) || bdrv_getlength(bs) == 0) {
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if (bdrv_is_sg(bs) || !bdrv_is_inserted(bs) || bdrv_getlength(bs) == 0) {
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*pdrv = &bdrv_raw;
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return ret;
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}
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@ -617,7 +617,7 @@ static int refresh_total_sectors(BlockDriverState *bs, int64_t hint)
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BlockDriver *drv = bs->drv;
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/* Do not attempt drv->bdrv_getlength() on scsi-generic devices */
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if (bs->sg)
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if (bdrv_is_sg(bs))
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return 0;
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/* query actual device if possible, otherwise just trust the hint */
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@ -948,7 +948,7 @@ static int bdrv_open_common(BlockDriverState *bs, BlockDriverState *file,
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assert(bdrv_opt_mem_align(bs) != 0);
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assert(bdrv_min_mem_align(bs) != 0);
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assert((bs->request_alignment != 0) || bs->sg);
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assert((bs->request_alignment != 0) || bdrv_is_sg(bs));
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qemu_opts_del(opts);
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return 0;
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@ -628,7 +628,7 @@ static int coroutine_fn iscsi_co_flush(BlockDriverState *bs)
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IscsiLun *iscsilun = bs->opaque;
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struct IscsiTask iTask;
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if (bs->sg) {
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if (bdrv_is_sg(bs)) {
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return 0;
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}
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@ -305,9 +305,9 @@ static void raw_probe_alignment(BlockDriverState *bs, int fd, Error **errp)
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char *buf;
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size_t max_align = MAX(MAX_BLOCKSIZE, getpagesize());
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/* For /dev/sg devices the alignment is not really used.
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/* For SCSI generic devices the alignment is not really used.
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With buffered I/O, we don't have any restrictions. */
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if (bs->sg || !s->needs_alignment) {
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if (bdrv_is_sg(bs) || !s->needs_alignment) {
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bs->request_alignment = 1;
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s->buf_align = 1;
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return;
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