Commit 2f399b0a authored by Markus Armbruster's avatar Markus Armbruster Committed by Kevin Wolf
Browse files

block: New bdrv_next() 



This is a more flexible alternative to bdrv_iterate().

Signed-off-by: default avatarMarkus Armbruster <armbru@redhat.com>
Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
parent ac59eb95

block.c

+8 −0
Original line number Diff line number Diff line
@@ -1330,6 +1330,14 @@ BlockDriverState *bdrv_find(const char *name) 
    return NULL;

}



BlockDriverState *bdrv_next(BlockDriverState *bs)

{

    if (!bs) {

        return QTAILQ_FIRST(&bdrv_states);

    }

    return QTAILQ_NEXT(bs, list);

}



void bdrv_iterate(void (*it)(void *opaque, BlockDriverState *bs), void *opaque)

{

    BlockDriverState *bs;

block.h

+1 −0
Original line number Diff line number Diff line
@@ -168,6 +168,7 @@ void bdrv_set_change_cb(BlockDriverState *bs, 
                        void (*change_cb)(void *opaque), void *opaque);

void bdrv_get_format(BlockDriverState *bs, char *buf, int buf_size);

BlockDriverState *bdrv_find(const char *name);

BlockDriverState *bdrv_next(BlockDriverState *bs);

void bdrv_iterate(void (*it)(void *opaque, BlockDriverState *bs),

                  void *opaque);

int bdrv_is_encrypted(BlockDriverState *bs);