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block: Kill unused sector-based blk_* functions 

Now that there are no remaining clients, we can drop the
sector-based blk_read(), blk_write(), blk_aio_readv(), and
blk_aio_writev().  Sadly, there are still remaining
sector-based interfaces, such as blk_*discard(), or
blk_write_compressed(); those will have to wait for another
day.

Signed-off-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Eric Blake 2016-05-06 10:26:45 -06:00 committed by Kevin Wolf
parent 7b3f9712e1
commit 7b1deac84e
2 changed files with 0 additions and 61 deletions
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51
block/block-backend.c
View File

@ -772,24 +772,6 @@ static int blk_prw(BlockBackend *blk, int64_t offset, uint8_t *buf,
return rwco.ret;
}
static int blk_rw(BlockBackend *blk, int64_t sector_num, uint8_t *buf,
int nb_sectors, CoroutineEntry co_entry,
BdrvRequestFlags flags)
{
if (nb_sectors < 0 || nb_sectors > BDRV_REQUEST_MAX_SECTORS) {
return -EINVAL;
}
return blk_prw(blk, sector_num << BDRV_SECTOR_BITS, buf,
nb_sectors << BDRV_SECTOR_BITS, co_entry, flags);
}
int blk_read(BlockBackend *blk, int64_t sector_num, uint8_t *buf,
int nb_sectors)
{
return blk_rw(blk, sector_num, buf, nb_sectors, blk_read_entry, 0);
}
int blk_pread_unthrottled(BlockBackend *blk, int64_t offset, uint8_t *buf,
int count)
{
@ -807,13 +789,6 @@ int blk_pread_unthrottled(BlockBackend *blk, int64_t offset, uint8_t *buf,
return ret;
}
int blk_write(BlockBackend *blk, int64_t sector_num, const uint8_t *buf,
int nb_sectors)
{
return blk_rw(blk, sector_num, (uint8_t*) buf, nb_sectors,
blk_write_entry, 0);
}
int blk_write_zeroes(BlockBackend *blk, int64_t offset,
int count, BdrvRequestFlags flags)
{
@ -985,19 +960,6 @@ int64_t blk_nb_sectors(BlockBackend *blk)
return bdrv_nb_sectors(blk_bs(blk));
}
BlockAIOCB *blk_aio_readv(BlockBackend *blk, int64_t sector_num,
QEMUIOVector *iov, int nb_sectors,
BlockCompletionFunc *cb, void *opaque)
{
if (nb_sectors < 0 || nb_sectors > BDRV_REQUEST_MAX_SECTORS) {
return blk_abort_aio_request(blk, cb, opaque, -EINVAL);
}
assert(nb_sectors << BDRV_SECTOR_BITS == iov->size);
return blk_aio_prwv(blk, sector_num << BDRV_SECTOR_BITS, iov->size, iov,
blk_aio_read_entry, 0, cb, opaque);
}
BlockAIOCB *blk_aio_preadv(BlockBackend *blk, int64_t offset,
QEMUIOVector *qiov, BdrvRequestFlags flags,
BlockCompletionFunc *cb, void *opaque)
@ -1006,19 +968,6 @@ BlockAIOCB *blk_aio_preadv(BlockBackend *blk, int64_t offset,
blk_aio_read_entry, flags, cb, opaque);
}
BlockAIOCB *blk_aio_writev(BlockBackend *blk, int64_t sector_num,
QEMUIOVector *iov, int nb_sectors,
BlockCompletionFunc *cb, void *opaque)
{
if (nb_sectors < 0 || nb_sectors > BDRV_REQUEST_MAX_SECTORS) {
return blk_abort_aio_request(blk, cb, opaque, -EINVAL);
}
assert(nb_sectors << BDRV_SECTOR_BITS == iov->size);
return blk_aio_prwv(blk, sector_num << BDRV_SECTOR_BITS, iov->size, iov,
blk_aio_write_entry, 0, cb, opaque);
}
BlockAIOCB *blk_aio_pwritev(BlockBackend *blk, int64_t offset,
QEMUIOVector *qiov, BdrvRequestFlags flags,
BlockCompletionFunc *cb, void *opaque)

10
include/sysemu/block-backend.h
View File

@ -90,12 +90,8 @@ void blk_attach_dev_nofail(BlockBackend *blk, void *dev);
void blk_detach_dev(BlockBackend *blk, void *dev);
void *blk_get_attached_dev(BlockBackend *blk);
void blk_set_dev_ops(BlockBackend *blk, const BlockDevOps *ops, void *opaque);
int blk_read(BlockBackend *blk, int64_t sector_num, uint8_t *buf,
int nb_sectors);
int blk_pread_unthrottled(BlockBackend *blk, int64_t offset, uint8_t *buf,
int count);
int blk_write(BlockBackend *blk, int64_t sector_num, const uint8_t *buf,
int nb_sectors);
int blk_write_zeroes(BlockBackend *blk, int64_t offset,
int count, BdrvRequestFlags flags);
BlockAIOCB *blk_aio_write_zeroes(BlockBackend *blk, int64_t offset,
@ -107,15 +103,9 @@ int blk_pwrite(BlockBackend *blk, int64_t offset, const void *buf, int count,
int64_t blk_getlength(BlockBackend *blk);
void blk_get_geometry(BlockBackend *blk, uint64_t *nb_sectors_ptr);
int64_t blk_nb_sectors(BlockBackend *blk);
BlockAIOCB *blk_aio_readv(BlockBackend *blk, int64_t sector_num,
QEMUIOVector *iov, int nb_sectors,
BlockCompletionFunc *cb, void *opaque);
BlockAIOCB *blk_aio_preadv(BlockBackend *blk, int64_t offset,
QEMUIOVector *qiov, BdrvRequestFlags flags,
BlockCompletionFunc *cb, void *opaque);
BlockAIOCB *blk_aio_writev(BlockBackend *blk, int64_t sector_num,
QEMUIOVector *iov, int nb_sectors,
BlockCompletionFunc *cb, void *opaque);
BlockAIOCB *blk_aio_pwritev(BlockBackend *blk, int64_t offset,
QEMUIOVector *qiov, BdrvRequestFlags flags,
BlockCompletionFunc *cb, void *opaque);