From: Alexander Ivanov <[email protected]> We will need this function and a function for marking unused clusters (will be added in the next patch) in parallels-ext.c too. Let it be a global function parallels_mark_used().
Cc: Stefan Hajnoczi <[email protected]> Signed-off-by: Alexander Ivanov <[email protected]> Reviewed-by: Denis V. Lunev <[email protected]> Signed-off-by: Denis V. Lunev <[email protected]> --- block/parallels.c | 14 ++++++++------ block/parallels.h | 3 +++ 2 files changed, 11 insertions(+), 6 deletions(-) diff --git a/block/parallels.c b/block/parallels.c index f02ad7a0be..6f7a9911d7 100644 --- a/block/parallels.c +++ b/block/parallels.c @@ -187,8 +187,8 @@ static void parallels_set_bat_entry(BDRVParallelsState *s, bitmap_set(s->bat_dirty_bmap, bat_entry_off(index) / s->bat_dirty_block, 1); } -static int mark_used(BlockDriverState *bs, unsigned long *bitmap, - uint32_t bitmap_size, int64_t off, uint32_t count) +int parallels_mark_used(BlockDriverState *bs, unsigned long *bitmap, + uint32_t bitmap_size, int64_t off, uint32_t count) { BDRVParallelsState *s = bs->opaque; uint32_t cluster_index = host_cluster_index(s, off); @@ -241,7 +241,8 @@ static int GRAPH_RDLOCK parallels_fill_used_bitmap(BlockDriverState *bs) continue; } - err2 = mark_used(bs, s->used_bmap, s->used_bmap_size, host_off, 1); + err2 = parallels_mark_used(bs, s->used_bmap, s->used_bmap_size, + host_off, 1); if (err2 < 0 && err == 0) { err = err2; } @@ -375,7 +376,8 @@ allocate_clusters(BlockDriverState *bs, int64_t sector_num, } } - ret = mark_used(bs, s->used_bmap, s->used_bmap_size, host_off, to_allocate); + ret = parallels_mark_used(bs, s->used_bmap, s->used_bmap_size, + host_off, to_allocate); if (ret < 0) { /* Image consistency is broken. Alarm! */ return ret; @@ -840,7 +842,7 @@ parallels_check_duplicate(BlockDriverState *bs, BdrvCheckResult *res, continue; } - ret = mark_used(bs, bitmap, bitmap_size, host_off, 1); + ret = parallels_mark_used(bs, bitmap, bitmap_size, host_off, 1); assert(ret != -E2BIG); if (ret == 0) { continue; @@ -900,7 +902,7 @@ parallels_check_duplicate(BlockDriverState *bs, BdrvCheckResult *res, * considered, and the bitmap size doesn't change. This specifically * means that -E2BIG is OK. */ - ret = mark_used(bs, bitmap, bitmap_size, host_off, 1); + ret = parallels_mark_used(bs, bitmap, bitmap_size, host_off, 1); if (ret == -EBUSY) { res->check_errors++; goto out_repair_bat; diff --git a/block/parallels.h b/block/parallels.h index 423b2ad727..68077416b1 100644 --- a/block/parallels.h +++ b/block/parallels.h @@ -90,6 +90,9 @@ typedef struct BDRVParallelsState { Error *migration_blocker; } BDRVParallelsState; +int parallels_mark_used(BlockDriverState *bs, unsigned long *bitmap, + uint32_t bitmap_size, int64_t off, uint32_t count); + int GRAPH_RDLOCK parallels_read_format_extension(BlockDriverState *bs, int64_t ext_off, Error **errp); -- 2.53.0
