* [PATCH][v2] btrfs-progs: print the csum length in debug-tree
@ 2017-08-25 15:11 josef
2017-08-25 15:17 ` Nikolay Borisov
0 siblings, 1 reply; 3+ messages in thread
From: josef @ 2017-08-25 15:11 UTC (permalink / raw)
To: linux-btrfs, kernel-team; +Cc: Josef Bacik
From: Josef Bacik <jbacik@fb.com>
While looking at a log of a corrupted fs I needed to verify we were
missing csums for a given range. Make this easier by printing out the
range of bytes a csum item covers.
Signed-off-by: Josef Bacik <jbacik@fb.com>
---
v1->v2:
- print the byte range instead of just the length
print-tree.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/print-tree.c b/print-tree.c
index 5927ed3..2aead6a 100644
--- a/print-tree.c
+++ b/print-tree.c
@@ -1103,9 +1103,16 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *eb)
case BTRFS_CSUM_ITEM_KEY:
printf("\t\tcsum item\n");
break;
- case BTRFS_EXTENT_CSUM_KEY:
- printf("\t\textent csum item\n");
+ case BTRFS_EXTENT_CSUM_KEY: {
+ u16 csum_size =
+ btrfs_super_csum_size(root->fs_info->super_copy);
+ u32 size = (item_size / csum_size) *
+ root->fs_info->sectorsize;
+ printf("\t\textent csum item range %llu-%llu\n",
+ (unsigned long long)disk_key.offset,
+ (unsigned long long)disk_key.offset + size);
break;
+ }
case BTRFS_EXTENT_DATA_KEY:
print_file_extent_item(eb, item, i, ptr);
break;
--
2.7.4
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH][v2] btrfs-progs: print the csum length in debug-tree
2017-08-25 15:11 [PATCH][v2] btrfs-progs: print the csum length in debug-tree josef
@ 2017-08-25 15:17 ` Nikolay Borisov
2017-09-01 15:29 ` David Sterba
0 siblings, 1 reply; 3+ messages in thread
From: Nikolay Borisov @ 2017-08-25 15:17 UTC (permalink / raw)
To: josef, linux-btrfs, kernel-team; +Cc: Josef Bacik
On 25.08.2017 18:11, josef@toxicpanda.com wrote:
> From: Josef Bacik <jbacik@fb.com>
>
> While looking at a log of a corrupted fs I needed to verify we were
> missing csums for a given range. Make this easier by printing out the
> range of bytes a csum item covers.
>
> Signed-off-by: Josef Bacik <jbacik@fb.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
> ---
> v1->v2:
> - print the byte range instead of just the length
>
> print-tree.c | 11 +++++++++--
> 1 file changed, 9 insertions(+), 2 deletions(-)
>
> diff --git a/print-tree.c b/print-tree.c
> index 5927ed3..2aead6a 100644
> --- a/print-tree.c
> +++ b/print-tree.c
> @@ -1103,9 +1103,16 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *eb)
> case BTRFS_CSUM_ITEM_KEY:
> printf("\t\tcsum item\n");
> break;
> - case BTRFS_EXTENT_CSUM_KEY:
> - printf("\t\textent csum item\n");
> + case BTRFS_EXTENT_CSUM_KEY: {
> + u16 csum_size =
> + btrfs_super_csum_size(root->fs_info->super_copy);
> + u32 size = (item_size / csum_size) *
> + root->fs_info->sectorsize;
> + printf("\t\textent csum item range %llu-%llu\n",
> + (unsigned long long)disk_key.offset,
> + (unsigned long long)disk_key.offset + size);
> break;
> + }
> case BTRFS_EXTENT_DATA_KEY:
> print_file_extent_item(eb, item, i, ptr);
> break;
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH][v2] btrfs-progs: print the csum length in debug-tree
2017-08-25 15:17 ` Nikolay Borisov
@ 2017-09-01 15:29 ` David Sterba
0 siblings, 0 replies; 3+ messages in thread
From: David Sterba @ 2017-09-01 15:29 UTC (permalink / raw)
To: Nikolay Borisov; +Cc: josef, linux-btrfs, kernel-team, Josef Bacik
On Fri, Aug 25, 2017 at 06:17:23PM +0300, Nikolay Borisov wrote:
>
>
> On 25.08.2017 18:11, josef@toxicpanda.com wrote:
> > From: Josef Bacik <jbacik@fb.com>
> >
> > While looking at a log of a corrupted fs I needed to verify we were
> > missing csums for a given range. Make this easier by printing out the
> > range of bytes a csum item covers.
> >
> > Signed-off-by: Josef Bacik <jbacik@fb.com>
>
> Reviewed-by: Nikolay Borisov <nborisov@suse.com>
v2 applied, thanks.
^ permalink raw reply [flat|nested] 3+ messages in thread
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2017-08-25 15:11 [PATCH][v2] btrfs-progs: print the csum length in debug-tree josef
2017-08-25 15:17 ` Nikolay Borisov
2017-09-01 15:29 ` David Sterba
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