Repair an image at opening if the image is unclean or out-of-image
corruption was detected.
Signed-off-by: Alexander Ivanov <alexander.ivanov@virtuozzo.com>
---
block/parallels.c | 65 +++++++++++++++++++++++++----------------------
1 file changed, 35 insertions(+), 30 deletions(-)
diff --git a/block/parallels.c b/block/parallels.c
index d64e8007d5..7bbd5cb112 100644
--- a/block/parallels.c
+++ b/block/parallels.c
@@ -1130,6 +1101,40 @@ static int parallels_open(BlockDriverState
*bs, QDict *options, int flags,
goto fail;
}
qemu_co_mutex_init(&s->lock);
+
+ if (le32_to_cpu(ph.inuse) == HEADER_INUSE_MAGIC) {
+ s->header_unclean = true;
+ }
+
+ for (i = 0; i < s->bat_size; i++) {
+ sector = bat2sect(s, i);
+ if (sector + s->tracks > s->data_end) {
+ s->data_end = sector + s->tracks;
+ }
+ }
+
+ /*
+ * We don't repair the image here if it's opened for checks.
Also we don't
+ * want to change inactive images and can't change readonly images.
+ */
+ if ((flags & (BDRV_O_CHECK | BDRV_O_INACTIVE)) || !(flags &
BDRV_O_RDWR)) {
+ return 0;
+ }
+
+ /*
+ * Repair the image if it's dirty or
+ * out-of-image corruption was detected.
+ */
+ if (s->data_end > file_nb_sectors || s->header_unclean) {
+ BdrvCheckResult res;
+ ret = bdrv_check(bs, &res, BDRV_FIX_ERRORS | BDRV_FIX_LEAKS);
+ if (ret < 0) {