[PULL,01/14] dirty-bitmap: operate with int64_t amount

Commit Message

Jeff Cody July 20, 2016, 12:20 a.m. UTC

From: "Denis V. Lunev" <[e-mail]>

Underlying HBitmap operates even with uint64_t. Thus this change is safe.
This would be useful f.e. to mark entire bitmap dirty in one call.

Signed-off-by: Denis V. Lunev <[e-mail]>
Reviewed-by: Vladimir Sementsov-Ogievskiy <[e-mail]>
Reviewed-by: Eric Blake <[e-mail]>
Reviewed-by: John Snow <[e-mail]>
Reviewed-by: Fam Zheng <[e-mail]>
Message-id: [e-mail]
CC: Stefan Hajnoczi <[e-mail]>
CC: Kevin Wolf <[e-mail]>
CC: Max Reitz <[e-mail]>
CC: Jeff Cody <[e-mail]>
Signed-off-by: Jeff Cody <[e-mail]>
---
 block/dirty-bitmap.c         | 6 +++---
 include/block/block_int.h    | 2 +-
 include/block/dirty-bitmap.h | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

Patch

diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c
index 4902ca5..f2bfdcf 100644
--- a/block/dirty-bitmap.c
+++ b/block/dirty-bitmap.c
@@ -326,14 +326,14 @@  void bdrv_dirty_iter_init(BdrvDirtyBitmap *bitmap, HBitmapIter *hbi)
 }
 
 void bdrv_set_dirty_bitmap(BdrvDirtyBitmap *bitmap,
-                           int64_t cur_sector, int nr_sectors)
+                           int64_t cur_sector, int64_t nr_sectors)
 {
     assert(bdrv_dirty_bitmap_enabled(bitmap));
     hbitmap_set(bitmap->bitmap, cur_sector, nr_sectors);
 }
 
 void bdrv_reset_dirty_bitmap(BdrvDirtyBitmap *bitmap,
-                             int64_t cur_sector, int nr_sectors)
+                             int64_t cur_sector, int64_t nr_sectors)
 {
     assert(bdrv_dirty_bitmap_enabled(bitmap));
     hbitmap_reset(bitmap->bitmap, cur_sector, nr_sectors);
@@ -361,7 +361,7 @@  void bdrv_undo_clear_dirty_bitmap(BdrvDirtyBitmap *bitmap, HBitmap *in)
 }
 
 void bdrv_set_dirty(BlockDriverState *bs, int64_t cur_sector,
-                    int nr_sectors)
+                    int64_t nr_sectors)
 {
     BdrvDirtyBitmap *bitmap;
     QLIST_FOREACH(bitmap, &bs->dirty_bitmaps, list) {
diff --git a/include/block/block_int.h b/include/block/block_int.h
index a6b13ad..09be16f 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -783,7 +783,7 @@  void blk_dev_eject_request(BlockBackend *blk, bool force);
 bool blk_dev_is_tray_open(BlockBackend *blk);
 bool blk_dev_is_medium_locked(BlockBackend *blk);
 
-void bdrv_set_dirty(BlockDriverState *bs, int64_t cur_sector, int nr_sectors);
+void bdrv_set_dirty(BlockDriverState *bs, int64_t cur_sector, int64_t nr_sect);
 bool bdrv_requests_pending(BlockDriverState *bs);
 
 void bdrv_clear_dirty_bitmap(BdrvDirtyBitmap *bitmap, HBitmap **out);
diff --git a/include/block/dirty-bitmap.h b/include/block/dirty-bitmap.h
index 80afe60..ee3388f 100644
--- a/include/block/dirty-bitmap.h
+++ b/include/block/dirty-bitmap.h
@@ -33,9 +33,9 @@  DirtyBitmapStatus bdrv_dirty_bitmap_status(BdrvDirtyBitmap *bitmap);
 int bdrv_get_dirty(BlockDriverState *bs, BdrvDirtyBitmap *bitmap,
                    int64_t sector);
 void bdrv_set_dirty_bitmap(BdrvDirtyBitmap *bitmap,
-                           int64_t cur_sector, int nr_sectors);
+                           int64_t cur_sector, int64_t nr_sectors);
 void bdrv_reset_dirty_bitmap(BdrvDirtyBitmap *bitmap,
-                             int64_t cur_sector, int nr_sectors);
+                             int64_t cur_sector, int64_t nr_sectors);
 void bdrv_dirty_iter_init(BdrvDirtyBitmap *bitmap, struct HBitmapIter *hbi);
 void bdrv_set_dirty_iter(struct HBitmapIter *hbi, int64_t offset);
 int64_t bdrv_get_dirty_count(BdrvDirtyBitmap *bitmap);