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| author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2015-11-17 20:02:58 +0300 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2015-11-24 09:25:36 +0800 |
| commit | c9f6856ded10602147ca1d1806e7afb545430fd9 (patch) | |
| tree | 1a1337a727ff10ff8bf5fc9a30505bf3fd86242c /block | |
| parent | 5522a841cab5f15ac0f8d207b320c21755a7a1a5 (diff) | |
| download | qemu-c9f6856ded10602147ca1d1806e7afb545430fd9.tar.gz qemu-c9f6856ded10602147ca1d1806e7afb545430fd9.tar.bz2 qemu-c9f6856ded10602147ca1d1806e7afb545430fd9.zip | |
parallels: dirty BAT properly for continuous allocations
This patch marks part of the BAT dirty properly. There is a possibility that
multy-block allocation could have one block allocated on one BAT page and
next block on the next page. The code without the patch could not save
updated position to the file.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
Message-id: 1447779778-26062-1-git-send-email-den@openvz.org
CC: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'block')
| -rw-r--r-- | block/parallels.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/block/parallels.c b/block/parallels.c index 4f79293826..f689fdeaff 100644 --- a/block/parallels.c +++ b/block/parallels.c @@ -220,7 +220,7 @@ static int64_t allocate_clusters(BlockDriverState *bs, int64_t sector_num, s->bat_bitmap[idx + i] = cpu_to_le32(s->data_end / s->off_multiplier); s->data_end += s->tracks; bitmap_set(s->bat_dirty_bmap, - bat_entry_off(idx) / s->bat_dirty_block, 1); + bat_entry_off(idx + i) / s->bat_dirty_block, 1); } return bat2sect(s, idx) + sector_num % s->tracks; |