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[PATCH 3/9] parallels: Move check of leaks to a separate function
From: |
Alexander Ivanov |
Subject: |
[PATCH 3/9] parallels: Move check of leaks to a separate function |
Date: |
Mon, 8 Aug 2022 14:07:28 +0200 |
Signed-off-by: Alexander Ivanov <alexander.ivanov@virtuozzo.com>
---
block/parallels.c | 96 ++++++++++++++++++++++++++++-------------------
1 file changed, 58 insertions(+), 38 deletions(-)
diff --git a/block/parallels.c b/block/parallels.c
index 7b400ecdcc..6d4cfb738b 100644
--- a/block/parallels.c
+++ b/block/parallels.c
@@ -479,57 +479,31 @@ static int parallels_check_outside_image(BlockDriverState
*bs,
return 0;
}
-static int coroutine_fn parallels_co_check(BlockDriverState *bs,
- BdrvCheckResult *res,
- BdrvCheckMode fix)
+static int parallels_check_leak(BlockDriverState *bs,
+ BdrvCheckResult *res,
+ BdrvCheckMode fix)
{
BDRVParallelsState *s = bs->opaque;
- int64_t size, prev_off, high_off;
- int ret;
uint32_t i;
-
- size = bdrv_getlength(bs->file->bs);
- if (size < 0) {
- res->check_errors++;
- return size;
- }
-
- qemu_co_mutex_lock(&s->lock);
-
- parallels_check_unclean(bs, res, fix);
-
- ret = parallels_check_outside_image(bs, res, fix);
- if (ret < 0) {
- goto out;
- }
-
- res->bfi.total_clusters = s->bat_size;
- res->bfi.compressed_clusters = 0; /* compression is not supported */
+ int64_t off, high_off, size, count;
+ int ret;
high_off = 0;
- prev_off = 0;
for (i = 0; i < s->bat_size; i++) {
- int64_t off = bat2sect(s, i) << BDRV_SECTOR_BITS;
- if (off == 0) {
- prev_off = 0;
- continue;
- }
-
- res->bfi.allocated_clusters++;
+ off = bat2sect(s, i) << BDRV_SECTOR_BITS;
if (off > high_off) {
high_off = off;
}
+ }
- if (prev_off != 0 && (prev_off + s->cluster_size) != off) {
- res->bfi.fragmented_clusters++;
- }
- prev_off = off;
+ size = bdrv_getlength(bs->file->bs);
+ if (size < 0) {
+ res->check_errors++;
+ return size;
}
- ret = 0;
res->image_end_offset = high_off + s->cluster_size;
if (size > res->image_end_offset) {
- int64_t count;
count = DIV_ROUND_UP(size - res->image_end_offset, s->cluster_size);
fprintf(stderr, "%s space leaked at the end of the image %" PRId64
"\n",
fix & BDRV_FIX_LEAKS ? "Repairing" : "ERROR",
@@ -547,12 +521,58 @@ static int coroutine_fn
parallels_co_check(BlockDriverState *bs,
if (ret < 0) {
error_report_err(local_err);
res->check_errors++;
- goto out;
+ return ret;
}
res->leaks_fixed += count;
}
}
+ return 0;
+}
+
+static int coroutine_fn parallels_co_check(BlockDriverState *bs,
+ BdrvCheckResult *res,
+ BdrvCheckMode fix)
+{
+ BDRVParallelsState *s = bs->opaque;
+ int64_t prev_off;
+ int ret;
+ uint32_t i;
+
+ qemu_co_mutex_lock(&s->lock);
+
+ parallels_check_unclean(bs, res, fix);
+
+ ret = parallels_check_outside_image(bs, res, fix);
+ if (ret < 0) {
+ goto out;
+ }
+
+ ret = parallels_check_leak(bs, res, fix);
+ if (ret < 0) {
+ goto out;
+ }
+
+ res->bfi.total_clusters = s->bat_size;
+ res->bfi.compressed_clusters = 0; /* compression is not supported */
+
+ prev_off = 0;
+ for (i = 0; i < s->bat_size; i++) {
+ int64_t off = bat2sect(s, i) << BDRV_SECTOR_BITS;
+ if (off == 0) {
+ prev_off = 0;
+ continue;
+ }
+
+ res->bfi.allocated_clusters++;
+
+ if (prev_off != 0 && (prev_off + s->cluster_size) != off) {
+ res->bfi.fragmented_clusters++;
+ }
+ prev_off = off;
+ }
+
+ ret = 0;
out:
qemu_co_mutex_unlock(&s->lock);
return ret;
--
2.34.1
- [PATCH 0/9] parallels: Refactor the code of images checks and fix a bug, Alexander Ivanov, 2022/08/08
- [PATCH 1/9] parallels: Move check of unclean image to a separate function, Alexander Ivanov, 2022/08/08
- [PATCH 3/9] parallels: Move check of leaks to a separate function,
Alexander Ivanov <=
- [PATCH 4/9] parallels: Move check of fragmentation to a separate function, Alexander Ivanov, 2022/08/08
- [PATCH 2/9] parallels: Move check of cluster outside image to a separate function, Alexander Ivanov, 2022/08/08
- [PATCH 7/9] parallels: Out of image offset in BAT leads to image inflation, Alexander Ivanov, 2022/08/08
- [PATCH 6/9] parallels: Replace qemu_co_mutex_lock by WITH_QEMU_LOCK_GUARD, Alexander Ivanov, 2022/08/08
- [PATCH 5/9] parallels: Move statistic collection to a separate function, Alexander Ivanov, 2022/08/08
- [PATCH 8/9] parallels: Replace bdrv_co_pwrite_sync by bdrv_co_flush for BAT flushing, Alexander Ivanov, 2022/08/08