Re: [PATCH v4 22/27] jbd2: don't reset error in journal_finish_inode_data_buffers

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On Tue 09-05-17 11:49:25, Jeff Layton wrote:
> Now that we don't clear writeback errors after fetching them, there is
> no need to reset them. This is also potentially racy.
> 
> Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>

Looks good. You can add:

Reviewed-by: Jan Kara <jack@xxxxxxx>

								Honza

> ---
>  fs/jbd2/commit.c | 13 ++-----------
>  1 file changed, 2 insertions(+), 11 deletions(-)
> 
> diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
> index b6b194ec1b4f..4c6262652028 100644
> --- a/fs/jbd2/commit.c
> +++ b/fs/jbd2/commit.c
> @@ -264,17 +264,8 @@ static int journal_finish_inode_data_buffers(journal_t *journal,
>  		jinode->i_flags |= JI_COMMIT_RUNNING;
>  		spin_unlock(&journal->j_list_lock);
>  		err = filemap_fdatawait(jinode->i_vfs_inode->i_mapping);
> -		if (err) {
> -			/*
> -			 * Because AS_EIO is cleared by
> -			 * filemap_fdatawait_range(), set it again so
> -			 * that user process can get -EIO from fsync().
> -			 */
> -			mapping_set_error(jinode->i_vfs_inode->i_mapping, -EIO);
> -
> -			if (!ret)
> -				ret = err;
> -		}
> +		if (err && !ret)
> +			ret = err;
>  		spin_lock(&journal->j_list_lock);
>  		jinode->i_flags &= ~JI_COMMIT_RUNNING;
>  		smp_mb();
> -- 
> 2.9.3
> 
> 
-- 
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR



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