This is a more flexible alternative to bdrv_iterate(). Signed-off-by: Markus Armbruster <arm...@redhat.com> --- block.c | 8 ++++++++ block.h | 1 + 2 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/block.c b/block.c index 1bef649..f42960c 100644 --- a/block.c +++ b/block.c @@ -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; diff --git a/block.h b/block.h index 49e3dcf..29993d1 100644 --- a/block.h +++ b/block.h @@ -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); -- 1.6.6.1