From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46767) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YWUNm-0003nB-Ei for qemu-devel@nongnu.org; Fri, 13 Mar 2015 14:32:27 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YWULv-0007DW-BD for qemu-devel@nongnu.org; Fri, 13 Mar 2015 14:30:32 -0400 From: John Snow Date: Fri, 13 Mar 2015 14:30:05 -0400 Message-Id: <1426271419-8277-6-git-send-email-jsnow@redhat.com> In-Reply-To: <1426271419-8277-1-git-send-email-jsnow@redhat.com> References: <1426271419-8277-1-git-send-email-jsnow@redhat.com> Subject: [Qemu-devel] [2.4 PATCH v3 05/19] block: Introduce bdrv_dirty_bitmap_granularity() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-block@nongnu.org Cc: kwolf@redhat.com, famz@redhat.com, John Snow , qemu-devel@nongnu.org, armbru@redhat.com, vsementsov@parallels.com, stefanha@redhat.com, mreitz@redhat.com This returns the granularity (in bytes) of dirty bitmap, which matches the QMP interface and the existing query interface. Signed-off-by: John Snow Reviewed-by: Max Reitz Reviewed-by: Eric Blake Reviewed-by: Stefan Hajnoczi --- block.c | 8 ++++++-- include/block/block.h | 1 + 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/block.c b/block.c index ad5a7b6..c02b268 100644 --- a/block.c +++ b/block.c @@ -5478,8 +5478,7 @@ BlockDirtyInfoList *bdrv_query_dirty_bitmaps(BlockDriverState *bs) BlockDirtyInfo *info = g_new0(BlockDirtyInfo, 1); BlockDirtyInfoList *entry = g_new0(BlockDirtyInfoList, 1); info->count = bdrv_get_dirty_count(bs, bm); - info->granularity = - ((uint32_t) BDRV_SECTOR_SIZE << hbitmap_granularity(bm->bitmap)); + info->granularity = bdrv_dirty_bitmap_granularity(bm); info->has_name = !!bm->name; info->name = g_strdup(bm->name); entry->value = info; @@ -5519,6 +5518,11 @@ uint32_t bdrv_get_default_bitmap_granularity(BlockDriverState *bs) return granularity; } +uint32_t bdrv_dirty_bitmap_granularity(BdrvDirtyBitmap *bitmap) +{ + return BDRV_SECTOR_SIZE << hbitmap_granularity(bitmap->bitmap); +} + void bdrv_dirty_iter_init(BlockDriverState *bs, BdrvDirtyBitmap *bitmap, HBitmapIter *hbi) { diff --git a/include/block/block.h b/include/block/block.h index 5416f97..e862c02 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -460,6 +460,7 @@ void bdrv_dirty_bitmap_make_anon(BlockDriverState *bs, BdrvDirtyBitmap *bitmap); void bdrv_release_dirty_bitmap(BlockDriverState *bs, BdrvDirtyBitmap *bitmap); BlockDirtyInfoList *bdrv_query_dirty_bitmaps(BlockDriverState *bs); uint32_t bdrv_get_default_bitmap_granularity(BlockDriverState *bs); +uint32_t bdrv_dirty_bitmap_granularity(BdrvDirtyBitmap *bitmap); int bdrv_get_dirty(BlockDriverState *bs, BdrvDirtyBitmap *bitmap, int64_t sector); void bdrv_set_dirty_bitmap(BlockDriverState *bs, BdrvDirtyBitmap *bitmap, int64_t cur_sector, int nr_sectors); -- 1.9.3