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authorDenis V. Lunev <den@openvz.org>2022-08-17 10:37:35 +0200
committerKevin Wolf <kwolf@redhat.com>2022-09-30 18:43:44 +0200
commit006e1962449f8ea9f0822b838d9fdf13c98eb147 (patch)
treeeccc6d4c995ebe8ae662897595d219bdf581cd38
parent62a6c300f18a9f6994baf6d767985425d48de427 (diff)
block: use bdrv_is_sg() helper instead of raw bs->sg reading
I believe that if the helper exists, it must be used always for reading of the value. It breaks expectations in the other case. Signed-off-by: Denis V. Lunev <den@openvz.org> CC: Kevin Wolf <kwolf@redhat.com> CC: Hanna Reitz <hreitz@redhat.com> CC: Stefan Hajnoczi <stefanha@redhat.com> CC: Fam Zheng <fam@euphon.net> CC: Ronnie Sahlberg <ronniesahlberg@gmail.com> CC: Paolo Bonzini <pbonzini@redhat.com> CC: Peter Lieven <pl@kamp.de> CC: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru> Message-Id: <20220817083736.40981-2-den@openvz.org> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
-rw-r--r--block/file-posix.c2
-rw-r--r--block/iscsi.c2
-rw-r--r--block/raw-format.c4
3 files changed, 4 insertions, 4 deletions
diff --git a/block/file-posix.c b/block/file-posix.c
index 48cd096624..256de1f456 100644
--- a/block/file-posix.c
+++ b/block/file-posix.c
@@ -1295,7 +1295,7 @@ static void raw_refresh_limits(BlockDriverState *bs, Error **errp)
}
#endif
- if (bs->sg || S_ISBLK(st.st_mode)) {
+ if (bdrv_is_sg(bs) || S_ISBLK(st.st_mode)) {
int ret = hdev_get_max_hw_transfer(s->fd, &st);
if (ret > 0 && ret <= BDRV_REQUEST_MAX_BYTES) {
diff --git a/block/iscsi.c b/block/iscsi.c
index d707d0b354..612de127e5 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -2065,7 +2065,7 @@ static void iscsi_refresh_limits(BlockDriverState *bs, Error **errp)
uint64_t max_xfer_len = iscsilun->use_16_for_rw ? 0xffffffff : 0xffff;
unsigned int block_size = MAX(BDRV_SECTOR_SIZE, iscsilun->block_size);
- assert(iscsilun->block_size >= BDRV_SECTOR_SIZE || bs->sg);
+ assert(iscsilun->block_size >= BDRV_SECTOR_SIZE || bdrv_is_sg(bs));
bs->bl.request_alignment = block_size;
diff --git a/block/raw-format.c b/block/raw-format.c
index 69fd650eaf..c7278e348e 100644
--- a/block/raw-format.c
+++ b/block/raw-format.c
@@ -463,7 +463,7 @@ static int raw_open(BlockDriverState *bs, QDict *options, int flags,
return -EINVAL;
}
- bs->sg = bs->file->bs->sg;
+ bs->sg = bdrv_is_sg(bs->file->bs);
bs->supported_write_flags = BDRV_REQ_WRITE_UNCHANGED |
(BDRV_REQ_FUA & bs->file->bs->supported_write_flags);
bs->supported_zero_flags = BDRV_REQ_WRITE_UNCHANGED |
@@ -489,7 +489,7 @@ static int raw_open(BlockDriverState *bs, QDict *options, int flags,
return ret;
}
- if (bs->sg && (s->offset || s->has_size)) {
+ if (bdrv_is_sg(bs) && (s->offset || s->has_size)) {
error_setg(errp, "Cannot use offset/size with SCSI generic devices");
return -EINVAL;
}