Instead of checking bs->sg use bdrv_is_sg() consistently throughout the code.
Signed-off-by: Dimitris Aragiorgis <dim...@arrikto.com> Reviewed-by: Paolo Bonzini <pbonz...@redhat.com> Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com> --- block.c | 6 +++--- block/iscsi.c | 2 +- block/raw-posix.c | 4 ++-- 3 files changed, 6 insertions(+), 6 deletions(-) diff --git a/block.c b/block.c index dd4f58d..f04b2a1 100644 --- a/block.c +++ b/block.c @@ -583,7 +583,7 @@ static int find_image_format(BlockDriverState *bs, const char *filename, int ret = 0; /* Return the raw BlockDriver * to scsi-generic devices or empty drives */ - if (bs->sg || !bdrv_is_inserted(bs) || bdrv_getlength(bs) == 0) { + if (bdrv_is_sg(bs) || !bdrv_is_inserted(bs) || bdrv_getlength(bs) == 0) { *pdrv = &bdrv_raw; return ret; } @@ -615,7 +615,7 @@ static int refresh_total_sectors(BlockDriverState *bs, int64_t hint) BlockDriver *drv = bs->drv; /* Do not attempt drv->bdrv_getlength() on scsi-generic devices */ - if (bs->sg) + if (bdrv_is_sg(bs)) return 0; /* query actual device if possible, otherwise just trust the hint */ @@ -946,7 +946,7 @@ static int bdrv_open_common(BlockDriverState *bs, BlockDriverState *file, assert(bdrv_opt_mem_align(bs) != 0); assert(bdrv_min_mem_align(bs) != 0); - assert((bs->request_alignment != 0) || bs->sg); + assert((bs->request_alignment != 0) || bdrv_is_sg(bs)); qemu_opts_del(opts); return 0; diff --git a/block/iscsi.c b/block/iscsi.c index 14e97a6..000528c 100644 --- a/block/iscsi.c +++ b/block/iscsi.c @@ -627,7 +627,7 @@ static int coroutine_fn iscsi_co_flush(BlockDriverState *bs) IscsiLun *iscsilun = bs->opaque; struct IscsiTask iTask; - if (bs->sg) { + if (bdrv_is_sg(bs)) { return 0; } diff --git a/block/raw-posix.c b/block/raw-posix.c index 44ade8c..3ee3bd6 100644 --- a/block/raw-posix.c +++ b/block/raw-posix.c @@ -303,9 +303,9 @@ static void raw_probe_alignment(BlockDriverState *bs, int fd, Error **errp) char *buf; size_t max_align = MAX(MAX_BLOCKSIZE, getpagesize()); - /* For /dev/sg devices the alignment is not really used. + /* For SCSI generic devices the alignment is not really used. With buffered I/O, we don't have any restrictions. */ - if (bs->sg || !s->needs_alignment) { + if (bdrv_is_sg(bs) || !s->needs_alignment) { bs->request_alignment = 1; s->buf_align = 1; return; -- 1.7.10.4