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block: New bdrv_set_buffer_alignment()

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Device models should be able to set it without an unclean include of
block_int.h.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Markus Armbruster 2011-09-06 18:58:56 +02:00 • committed by Kevin Wolf
parent fb0c61a5a5
commit 7b6f9300d5
5 changed files with 8 additions and 6 deletions
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6
block.c
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@ -480,7 +480,6 @@ static int bdrv_open_common(BlockDriverState *bs, const char *filename,
bs->encrypted = 0;
bs->valid_key = 0;
bs->open_flags = flags;
/* buffer_alignment defaulted to 512, drivers can change this value */
bs->buffer_alignment = 512;
pstrcpy(bs->filename, sizeof(bs->filename), filename);
@ -3115,7 +3114,10 @@ BlockDriverAIOCB *bdrv_aio_ioctl(BlockDriverState *bs,
return NULL;
}
void bdrv_set_buffer_alignment(BlockDriverState *bs, int align)
{
bs->buffer_alignment = align;
}
void *qemu_blockalign(BlockDriverState *bs, size_t size)
{