diff mbox

Btrfs: fix qgroup rescan to work with skinny metadata

Message ID 1390513554-32732-1-git-send-email-jbacik@fb.com (mailing list archive)
State Superseded, archived
Headers show

Commit Message

Josef Bacik Jan. 23, 2014, 9:45 p.m. UTC
Could have sworn I fixed this before but apparently not.  This makes us pass
btrfs/022 with skinny metadata enabled.  Thanks,

Signed-off-by: Josef Bacik <jbacik@fb.com>
---
 fs/btrfs/qgroup.c | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

Comments

Filipe Manana Jan. 23, 2014, 11:42 p.m. UTC | #1
On Thu, Jan 23, 2014 at 9:45 PM, Josef Bacik <jbacik@fb.com> wrote:
> Could have sworn I fixed this before but apparently not.  This makes us pass
> btrfs/022 with skinny metadata enabled.  Thanks,
>
> Signed-off-by: Josef Bacik <jbacik@fb.com>
> ---
>  fs/btrfs/qgroup.c | 18 +++++++++++++-----
>  1 file changed, 13 insertions(+), 5 deletions(-)
>
> diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
> index d22e0a1..7d04026 100644
> --- a/fs/btrfs/qgroup.c
> +++ b/fs/btrfs/qgroup.c
> @@ -1897,9 +1897,17 @@ qgroup_rescan_leaf(struct btrfs_fs_info *fs_info, struct btrfs_path *path,
>         mutex_unlock(&fs_info->qgroup_rescan_lock);
>
>         for (; slot < btrfs_header_nritems(scratch_leaf); ++slot) {
> +               u64 num_bytes;
> +
>                 btrfs_item_key_to_cpu(scratch_leaf, &found, slot);
> -               if (found.type != BTRFS_EXTENT_ITEM_KEY)
> +               if (found.type != BTRFS_EXTENT_ITEM_KEY ||
> +                   found.type != BTRFS_METADATA_ITEM_KEY)
>                         continue;

Hi Josef,

Shouldn't it be && instead of || ?

thanks


> +               if (found.type == BTRFS_METADATA_ITEM_KEY)
> +                       num_bytes = fs_info->extent_root->leafsize;
> +               else
> +                       num_bytes = found.offset;
> +
>                 ret = btrfs_find_all_roots(trans, fs_info, found.objectid,
>                                            tree_mod_seq_elem.seq, &roots);
>                 if (ret < 0)
> @@ -1944,12 +1952,12 @@ qgroup_rescan_leaf(struct btrfs_fs_info *fs_info, struct btrfs_path *path,
>                         struct btrfs_qgroup_list *glist;
>
>                         qg = (struct btrfs_qgroup *)(uintptr_t) unode->aux;
> -                       qg->rfer += found.offset;
> -                       qg->rfer_cmpr += found.offset;
> +                       qg->rfer += num_bytes;
> +                       qg->rfer_cmpr += num_bytes;
>                         WARN_ON(qg->tag >= seq);
>                         if (qg->refcnt - seq == roots->nnodes) {
> -                               qg->excl += found.offset;
> -                               qg->excl_cmpr += found.offset;
> +                               qg->excl += num_bytes;
> +                               qg->excl_cmpr += num_bytes;
>                         }
>                         qgroup_dirty(fs_info, qg);
>
> --
> 1.8.3.1
>
> --
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Josef Bacik Jan. 23, 2014, 11:44 p.m. UTC | #2
On 01/23/2014 06:42 PM, Filipe David Manana wrote:
> On Thu, Jan 23, 2014 at 9:45 PM, Josef Bacik <jbacik@fb.com> wrote:
>> Could have sworn I fixed this before but apparently not.  This makes us pass
>> btrfs/022 with skinny metadata enabled.  Thanks,
>>
>> Signed-off-by: Josef Bacik <jbacik@fb.com>
>> ---
>>   fs/btrfs/qgroup.c | 18 +++++++++++++-----
>>   1 file changed, 13 insertions(+), 5 deletions(-)
>>
>> diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
>> index d22e0a1..7d04026 100644
>> --- a/fs/btrfs/qgroup.c
>> +++ b/fs/btrfs/qgroup.c
>> @@ -1897,9 +1897,17 @@ qgroup_rescan_leaf(struct btrfs_fs_info *fs_info, struct btrfs_path *path,
>>          mutex_unlock(&fs_info->qgroup_rescan_lock);
>>
>>          for (; slot < btrfs_header_nritems(scratch_leaf); ++slot) {
>> +               u64 num_bytes;
>> +
>>                  btrfs_item_key_to_cpu(scratch_leaf, &found, slot);
>> -               if (found.type != BTRFS_EXTENT_ITEM_KEY)
>> +               if (found.type != BTRFS_EXTENT_ITEM_KEY ||
>> +                   found.type != BTRFS_METADATA_ITEM_KEY)
>>                          continue;
> Hi Josef,
>
> Shouldn't it be && instead of || ?
>
Yes it should, thanks,

Josef
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diff mbox

Patch

diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index d22e0a1..7d04026 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -1897,9 +1897,17 @@  qgroup_rescan_leaf(struct btrfs_fs_info *fs_info, struct btrfs_path *path,
 	mutex_unlock(&fs_info->qgroup_rescan_lock);
 
 	for (; slot < btrfs_header_nritems(scratch_leaf); ++slot) {
+		u64 num_bytes;
+
 		btrfs_item_key_to_cpu(scratch_leaf, &found, slot);
-		if (found.type != BTRFS_EXTENT_ITEM_KEY)
+		if (found.type != BTRFS_EXTENT_ITEM_KEY ||
+		    found.type != BTRFS_METADATA_ITEM_KEY)
 			continue;
+		if (found.type == BTRFS_METADATA_ITEM_KEY)
+			num_bytes = fs_info->extent_root->leafsize;
+		else
+			num_bytes = found.offset;
+
 		ret = btrfs_find_all_roots(trans, fs_info, found.objectid,
 					   tree_mod_seq_elem.seq, &roots);
 		if (ret < 0)
@@ -1944,12 +1952,12 @@  qgroup_rescan_leaf(struct btrfs_fs_info *fs_info, struct btrfs_path *path,
 			struct btrfs_qgroup_list *glist;
 
 			qg = (struct btrfs_qgroup *)(uintptr_t) unode->aux;
-			qg->rfer += found.offset;
-			qg->rfer_cmpr += found.offset;
+			qg->rfer += num_bytes;
+			qg->rfer_cmpr += num_bytes;
 			WARN_ON(qg->tag >= seq);
 			if (qg->refcnt - seq == roots->nnodes) {
-				qg->excl += found.offset;
-				qg->excl_cmpr += found.offset;
+				qg->excl += num_bytes;
+				qg->excl_cmpr += num_bytes;
 			}
 			qgroup_dirty(fs_info, qg);