mirrors/qemu
0
0
Fork 0
mirror of https://github.com/qemu/qemu.git synced 2024-11-30 07:13:38 +08:00
Code Issues Packages Projects Releases Wiki Activity

sheepdog: Switch to .bdrv_co_block_status()

Browse Source 
We are gradually moving away from sector-based interfaces, towards
byte-based.  Update the sheepdog driver accordingly.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Eric Blake 2018-02-13 14:26:55 -06:00 committed by Kevin Wolf
parent d41aa7e36f
commit 47943e9865
1 changed files with 13 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
block/sheepdog.c
View File

@ -3004,19 +3004,19 @@ static coroutine_fn int sd_co_pdiscard(BlockDriverState *bs, int64_t offset,
return acb.ret;
}
static coroutine_fn int64_t
sd_co_get_block_status(BlockDriverState *bs, int64_t sector_num, int nb_sectors,
int *pnum, BlockDriverState **file)
static coroutine_fn int
sd_co_block_status(BlockDriverState *bs, bool want_zero, int64_t offset,
int64_t bytes, int64_t *pnum, int64_t *map,
BlockDriverState **file)
{
BDRVSheepdogState *s = bs->opaque;
SheepdogInode *inode = &s->inode;
uint32_t object_size = (UINT32_C(1) << inode->block_size_shift);
uint64_t offset = sector_num * BDRV_SECTOR_SIZE;
unsigned long start = offset / object_size,
end = DIV_ROUND_UP((sector_num + nb_sectors) *
BDRV_SECTOR_SIZE, object_size);
end = DIV_ROUND_UP(offset + bytes, object_size);
unsigned long idx;
int64_t ret = BDRV_BLOCK_DATA | BDRV_BLOCK_OFFSET_VALID | offset;
*map = offset;
int ret = BDRV_BLOCK_DATA | BDRV_BLOCK_OFFSET_VALID;
for (idx = start; idx < end; idx++) {
if (inode->data_vdi_id[idx] == 0) {
@ -3033,9 +3033,9 @@ sd_co_get_block_status(BlockDriverState *bs, int64_t sector_num, int nb_sectors,
}
}
*pnum = (idx - start) * object_size / BDRV_SECTOR_SIZE;
if (*pnum > nb_sectors) {
*pnum = nb_sectors;
*pnum = (idx - start) * object_size;
if (*pnum > bytes) {
*pnum = bytes;
}
if (ret > 0 && ret & BDRV_BLOCK_OFFSET_VALID) {
*file = bs;
@ -3113,7 +3113,7 @@ static BlockDriver bdrv_sheepdog = {
.bdrv_co_writev = sd_co_writev,
.bdrv_co_flush_to_disk = sd_co_flush_to_disk,
.bdrv_co_pdiscard = sd_co_pdiscard,
.bdrv_co_get_block_status = sd_co_get_block_status,
.bdrv_co_block_status = sd_co_block_status,
.bdrv_snapshot_create = sd_snapshot_create,
.bdrv_snapshot_goto = sd_snapshot_goto,
@ -3149,7 +3149,7 @@ static BlockDriver bdrv_sheepdog_tcp = {
.bdrv_co_writev = sd_co_writev,
.bdrv_co_flush_to_disk = sd_co_flush_to_disk,
.bdrv_co_pdiscard = sd_co_pdiscard,
.bdrv_co_get_block_status = sd_co_get_block_status,
.bdrv_co_block_status = sd_co_block_status,
.bdrv_snapshot_create = sd_snapshot_create,
.bdrv_snapshot_goto = sd_snapshot_goto,
@ -3185,7 +3185,7 @@ static BlockDriver bdrv_sheepdog_unix = {
.bdrv_co_writev = sd_co_writev,
.bdrv_co_flush_to_disk = sd_co_flush_to_disk,
.bdrv_co_pdiscard = sd_co_pdiscard,
.bdrv_co_get_block_status = sd_co_get_block_status,
.bdrv_co_block_status = sd_co_block_status,
.bdrv_snapshot_create = sd_snapshot_create,
.bdrv_snapshot_goto = sd_snapshot_goto,