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| author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2019-09-20 11:25:42 +0300 |
|---|---|---|
| committer | John Snow <jsnow@redhat.com> | 2019-10-17 17:02:32 -0400 |
| commit | b56a1e31759b750e111b4dd35171007bf493fc89 (patch) | |
| tree | e2fd29a5f696b9cae6f79dd6e0c6b5031ff1d067 /block | |
| parent | 85cc8a4f6b515404448de7f22db403807152b657 (diff) | |
| download | qemu-b56a1e31759b750e111b4dd35171007bf493fc89.zip qemu-b56a1e31759b750e111b4dd35171007bf493fc89.tar.gz qemu-b56a1e31759b750e111b4dd35171007bf493fc89.tar.bz2 | |
block/dirty-bitmap: return int from bdrv_remove_persistent_dirty_bitmap
It's more comfortable to not deal with local_err.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 20190920082543.23444-3-vsementsov@virtuozzo.com
Signed-off-by: John Snow <jsnow@redhat.com>
Diffstat (limited to 'block')
| -rw-r--r-- | block/dirty-bitmap.c | 9 | ||||
| -rw-r--r-- | block/qcow2-bitmap.c | 18 | ||||
| -rw-r--r-- | block/qcow2.h | 5 |
3 files changed, 17 insertions, 15 deletions
diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c index 8f42015..d1ae2e1 100644 --- a/block/dirty-bitmap.c +++ b/block/dirty-bitmap.c @@ -455,13 +455,14 @@ void bdrv_release_named_dirty_bitmaps(BlockDriverState *bs) * not fail. * This function doesn't release corresponding BdrvDirtyBitmap. */ -void bdrv_remove_persistent_dirty_bitmap(BlockDriverState *bs, - const char *name, - Error **errp) +int bdrv_remove_persistent_dirty_bitmap(BlockDriverState *bs, const char *name, + Error **errp) { if (bs->drv && bs->drv->bdrv_remove_persistent_dirty_bitmap) { - bs->drv->bdrv_remove_persistent_dirty_bitmap(bs, name, errp); + return bs->drv->bdrv_remove_persistent_dirty_bitmap(bs, name, errp); } + + return 0; } bool bdrv_can_store_new_dirty_bitmap(BlockDriverState *bs, const char *name, diff --git a/block/qcow2-bitmap.c b/block/qcow2-bitmap.c index b248710..9821c16 100644 --- a/block/qcow2-bitmap.c +++ b/block/qcow2-bitmap.c @@ -1404,9 +1404,8 @@ static Qcow2Bitmap *find_bitmap_by_name(Qcow2BitmapList *bm_list, return NULL; } -void qcow2_remove_persistent_dirty_bitmap(BlockDriverState *bs, - const char *name, - Error **errp) +int qcow2_remove_persistent_dirty_bitmap(BlockDriverState *bs, const char *name, + Error **errp) { int ret; BDRVQcow2State *s = bs->opaque; @@ -1416,18 +1415,19 @@ void qcow2_remove_persistent_dirty_bitmap(BlockDriverState *bs, if (s->nb_bitmaps == 0) { /* Absence of the bitmap is not an error: see explanation above * bdrv_remove_persistent_dirty_bitmap() definition. */ - return; + return 0; } bm_list = bitmap_list_load(bs, s->bitmap_directory_offset, s->bitmap_directory_size, errp); if (bm_list == NULL) { - return; + return -EIO; } bm = find_bitmap_by_name(bm_list, name); if (bm == NULL) { - goto fail; + ret = -EINVAL; + goto out; } QSIMPLEQ_REMOVE(bm_list, bm, Qcow2Bitmap, entry); @@ -1435,14 +1435,16 @@ void qcow2_remove_persistent_dirty_bitmap(BlockDriverState *bs, ret = update_ext_header_and_dir(bs, bm_list); if (ret < 0) { error_setg_errno(errp, -ret, "Failed to update bitmap extension"); - goto fail; + goto out; } free_bitmap_clusters(bs, &bm->table); -fail: +out: bitmap_free(bm); bitmap_list_free(bm_list); + + return ret; } void qcow2_store_persistent_dirty_bitmaps(BlockDriverState *bs, Error **errp) diff --git a/block/qcow2.h b/block/qcow2.h index f51f478..08b4c15 100644 --- a/block/qcow2.h +++ b/block/qcow2.h @@ -750,9 +750,8 @@ bool qcow2_can_store_new_dirty_bitmap(BlockDriverState *bs, const char *name, uint32_t granularity, Error **errp); -void qcow2_remove_persistent_dirty_bitmap(BlockDriverState *bs, - const char *name, - Error **errp); +int qcow2_remove_persistent_dirty_bitmap(BlockDriverState *bs, const char *name, + Error **errp); ssize_t coroutine_fn qcow2_co_compress(BlockDriverState *bs, void *dest, size_t dest_size, |