block/dirty-bitmap: add bdrv_dirty_bitmap_get
Add a public interface for get. While we're at it,
rename "bdrv_get_dirty_bitmap_locked" to "bdrv_dirty_bitmap_get_locked".
(There are more functions to rename to the bdrv_dirty_bitmap_VERB form,
but they will wait until the conclusion of this series.)
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190709232550.10724-11-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c
index 7881fea..75a5daf 100644
--- a/block/dirty-bitmap.c
+++ b/block/dirty-bitmap.c
@@ -509,14 +509,19 @@
}
/* Called within bdrv_dirty_bitmap_lock..unlock */
-bool bdrv_get_dirty_locked(BlockDriverState *bs, BdrvDirtyBitmap *bitmap,
- int64_t offset)
+bool bdrv_dirty_bitmap_get_locked(BdrvDirtyBitmap *bitmap, int64_t offset)
{
- if (bitmap) {
- return hbitmap_get(bitmap->bitmap, offset);
- } else {
- return false;
- }
+ return hbitmap_get(bitmap->bitmap, offset);
+}
+
+bool bdrv_dirty_bitmap_get(BdrvDirtyBitmap *bitmap, int64_t offset)
+{
+ bool ret;
+ bdrv_dirty_bitmap_lock(bitmap);
+ ret = bdrv_dirty_bitmap_get_locked(bitmap, offset);
+ bdrv_dirty_bitmap_unlock(bitmap);
+
+ return ret;
}
/**
diff --git a/block/mirror.c b/block/mirror.c
index 70f24d9..2b87068 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -476,7 +476,7 @@
int64_t next_offset = offset + nb_chunks * s->granularity;
int64_t next_chunk = next_offset / s->granularity;
if (next_offset >= s->bdev_length ||
- !bdrv_get_dirty_locked(source, s->dirty_bitmap, next_offset)) {
+ !bdrv_dirty_bitmap_get_locked(s->dirty_bitmap, next_offset)) {
break;
}
if (test_bit(next_chunk, s->in_flight_bitmap)) {
diff --git a/include/block/dirty-bitmap.h b/include/block/dirty-bitmap.h
index 62682eb..0120ef3 100644
--- a/include/block/dirty-bitmap.h
+++ b/include/block/dirty-bitmap.h
@@ -84,12 +84,12 @@
void bdrv_merge_dirty_bitmap(BdrvDirtyBitmap *dest, const BdrvDirtyBitmap *src,
HBitmap **backup, Error **errp);
void bdrv_dirty_bitmap_set_migration(BdrvDirtyBitmap *bitmap, bool migration);
+bool bdrv_dirty_bitmap_get(BdrvDirtyBitmap *bitmap, int64_t offset);
/* Functions that require manual locking. */
void bdrv_dirty_bitmap_lock(BdrvDirtyBitmap *bitmap);
void bdrv_dirty_bitmap_unlock(BdrvDirtyBitmap *bitmap);
-bool bdrv_get_dirty_locked(BlockDriverState *bs, BdrvDirtyBitmap *bitmap,
- int64_t offset);
+bool bdrv_dirty_bitmap_get_locked(BdrvDirtyBitmap *bitmap, int64_t offset);
void bdrv_set_dirty_bitmap_locked(BdrvDirtyBitmap *bitmap,
int64_t offset, int64_t bytes);
void bdrv_reset_dirty_bitmap_locked(BdrvDirtyBitmap *bitmap,
diff --git a/migration/block.c b/migration/block.c
index e81fd7e..aa747b5 100644
--- a/migration/block.c
+++ b/migration/block.c
@@ -521,7 +521,6 @@
int is_async)
{
BlkMigBlock *blk;
- BlockDriverState *bs = blk_bs(bmds->blk);
int64_t total_sectors = bmds->total_sectors;
int64_t sector;
int nr_sectors;
@@ -536,8 +535,8 @@
blk_mig_unlock();
}
bdrv_dirty_bitmap_lock(bmds->dirty_bitmap);
- if (bdrv_get_dirty_locked(bs, bmds->dirty_bitmap,
- sector * BDRV_SECTOR_SIZE)) {
+ if (bdrv_dirty_bitmap_get_locked(bmds->dirty_bitmap,
+ sector * BDRV_SECTOR_SIZE)) {
if (total_sectors - sector < BDRV_SECTORS_PER_DIRTY_CHUNK) {
nr_sectors = total_sectors - sector;
} else {
diff --git a/nbd/server.c b/nbd/server.c
index 3eacb89..f55ccf8 100644
--- a/nbd/server.c
+++ b/nbd/server.c
@@ -2004,7 +2004,7 @@
bdrv_dirty_bitmap_lock(bitmap);
it = bdrv_dirty_iter_new(bitmap);
- dirty = bdrv_get_dirty_locked(NULL, bitmap, offset);
+ dirty = bdrv_dirty_bitmap_get_locked(bitmap, offset);
assert(begin < overall_end && nb_extents);
while (begin < overall_end && i < nb_extents) {
