On Jun 28, 2017, at 3:47 PM, Tahsin Erdogan <[email protected]> wrote:
> 
> __ext4_xattr_set_credits() calculates journal credits needed for a
> set xattr operation. Currently, credits needed for quota updates are
> added only if ea_inode feature is enabled which is wrong. Fix this by
> moving quota related additions to above ea_inode feature check.
> 
> Fixes: 74c5bfa651af ("ext4: xattr inode deduplication")
> 
> Signed-off-by: Tahsin Erdogan <[email protected]>

Reviewed-by: Andreas Dilger <[email protected]>

> ---
> fs/ext4/xattr.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
> index ce12c3fb7e59..062756b4e6d8 100644
> --- a/fs/ext4/xattr.c
> +++ b/fs/ext4/xattr.c
> @@ -845,6 +845,9 @@ static int __ext4_xattr_set_credits(struct super_block 
> *sb,
>        */
>       credits = 5;
> 
> +     /* Quota updates. */
> +     credits += EXT4_MAXQUOTAS_TRANS_BLOCKS(sb);
> +
>       /* We are done if ea_inode feature is not enabled. */
>       if (!ext4_has_feature_ea_inode(sb))
>               return credits;
> @@ -878,9 +881,6 @@ static int __ext4_xattr_set_credits(struct super_block 
> *sb,
>       /* Block bitmap and group descriptor updates for each block. */
>       credits += blocks * 2;
> 
> -     /* Quota updates. */
> -     credits += EXT4_MAXQUOTAS_TRANS_BLOCKS(sb);
> -
>       /* We may need to clone the existing xattr block in which case we need
>        * to increment ref counts for existing ea_inodes referenced by it.
>        */
> --
> 2.13.2.725.g09c95d1e9-goog
> 


Cheers, Andreas





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