diff mbox series

[v2,5/8] parallels: Move check of cluster outside image to a separate function

Message ID 20220811150044.1704013-6-alexander.ivanov@virtuozzo.com (mailing list archive)
State New, archived
Headers show
Series parallels: Refactor the code of images checks and fix a bug | expand

Commit Message

Alexander Ivanov Aug. 11, 2022, 3 p.m. UTC 
v2: Move unrelated helper parallels_set_bat_entry creation to
    a separate patch.

Signed-off-by: Alexander Ivanov <alexander.ivanov@virtuozzo.com>
---
 block/parallels.c | 48 ++++++++++++++++++++++++++++++++++-------------
 1 file changed, 35 insertions(+), 13 deletions(-)

Comments

Denis V. Lunev Aug. 12, 2022, 2:44 p.m. UTC | #1 
On 11.08.2022 17:00, Alexander Ivanov wrote:
> v2: Move unrelated helper parallels_set_bat_entry creation to
>      a separate patch.
same notes as for previous patch


> Signed-off-by: Alexander Ivanov <alexander.ivanov@virtuozzo.com>
> ---
>   block/parallels.c | 48 ++++++++++++++++++++++++++++++++++-------------
>   1 file changed, 35 insertions(+), 13 deletions(-)
>
> diff --git a/block/parallels.c b/block/parallels.c
> index c53b2810cf..12104ba5ad 100644
> --- a/block/parallels.c
> +++ b/block/parallels.c
> @@ -439,6 +439,36 @@ static void parallels_check_unclean(BlockDriverState *bs,
>       }
>   }
>   
> +static int parallels_check_outside_image(BlockDriverState *bs,
> +                                         BdrvCheckResult *res,
> +                                         BdrvCheckMode fix)
> +{
> +    BDRVParallelsState *s = bs->opaque;
> +    uint32_t i;
> +    int64_t off, size;
> +
> +    size = bdrv_getlength(bs->file->bs);
> +    if (size < 0) {
> +        res->check_errors++;
> +        return size;
> +    }
> +
> +    for (i = 0; i < s->bat_size; i++) {
> +        off = bat2sect(s, i) << BDRV_SECTOR_BITS;
> +        if (off > size) {
> +            fprintf(stderr, "%s cluster %u is outside image\n",
> +                    fix & BDRV_FIX_ERRORS ? "Repairing" : "ERROR", i);
> +            res->corruptions++;
> +            if (fix & BDRV_FIX_ERRORS) {
> +                parallels_set_bat_entry(s, i, 0);
> +                res->corruptions_fixed++;
> +            }
> +        }
> +    }
> +
> +    return 0;
> +}
> +
>   static int coroutine_fn parallels_co_check(BlockDriverState *bs,
>                                              BdrvCheckResult *res,
>                                              BdrvCheckMode fix)
> @@ -458,6 +488,11 @@ static int coroutine_fn parallels_co_check(BlockDriverState *bs,
>   
>       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 */
>   
> @@ -470,19 +505,6 @@ static int coroutine_fn parallels_co_check(BlockDriverState *bs,
>               continue;
>           }
>   
> -        /* cluster outside the image */
> -        if (off > size) {
> -            fprintf(stderr, "%s cluster %u is outside image\n",
> -                    fix & BDRV_FIX_ERRORS ? "Repairing" : "ERROR", i);
> -            res->corruptions++;
> -            if (fix & BDRV_FIX_ERRORS) {
> -                prev_off = 0;
> -                parallels_set_bat_entry(s, i, 0);
> -                res->corruptions_fixed++;
> -                continue;
> -            }
> -        }
> -
>           res->bfi.allocated_clusters++;
>           if (off > high_off) {
>               high_off = off;
diff mbox series

Patch

diff --git a/block/parallels.c b/block/parallels.c
index c53b2810cf..12104ba5ad 100644
--- a/block/parallels.c
+++ b/block/parallels.c
@@ -439,6 +439,36 @@  static void parallels_check_unclean(BlockDriverState *bs,
     }
 }
 
+static int parallels_check_outside_image(BlockDriverState *bs,
+                                         BdrvCheckResult *res,
+                                         BdrvCheckMode fix)
+{
+    BDRVParallelsState *s = bs->opaque;
+    uint32_t i;
+    int64_t off, size;
+
+    size = bdrv_getlength(bs->file->bs);
+    if (size < 0) {
+        res->check_errors++;
+        return size;
+    }
+
+    for (i = 0; i < s->bat_size; i++) {
+        off = bat2sect(s, i) << BDRV_SECTOR_BITS;
+        if (off > size) {
+            fprintf(stderr, "%s cluster %u is outside image\n",
+                    fix & BDRV_FIX_ERRORS ? "Repairing" : "ERROR", i);
+            res->corruptions++;
+            if (fix & BDRV_FIX_ERRORS) {
+                parallels_set_bat_entry(s, i, 0);
+                res->corruptions_fixed++;
+            }
+        }
+    }
+
+    return 0;
+}
+
 static int coroutine_fn parallels_co_check(BlockDriverState *bs,
                                            BdrvCheckResult *res,
                                            BdrvCheckMode fix)
@@ -458,6 +488,11 @@  static int coroutine_fn parallels_co_check(BlockDriverState *bs,
 
     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 */
 
@@ -470,19 +505,6 @@  static int coroutine_fn parallels_co_check(BlockDriverState *bs,
             continue;
         }
 
-        /* cluster outside the image */
-        if (off > size) {
-            fprintf(stderr, "%s cluster %u is outside image\n",
-                    fix & BDRV_FIX_ERRORS ? "Repairing" : "ERROR", i);
-            res->corruptions++;
-            if (fix & BDRV_FIX_ERRORS) {
-                prev_off = 0;
-                parallels_set_bat_entry(s, i, 0);
-                res->corruptions_fixed++;
-                continue;
-            }
-        }
-
         res->bfi.allocated_clusters++;
         if (off > high_off) {
             high_off = off;