On Mon, Apr 17, 2017 at 06:16:25PM -0700, Liu Bo wrote:
> In the nocsum case of dio read endio, it will return immediately if an
> error got returned when repairing, which left the rest blocks unrepaired.
> The behavior is different from how buffered read endio works in the same
> case. This changes it to record error only and go on repairing the rest
> blocks.
>
> Signed-off-by: Liu Bo <bo.li....@oracle.com>
Reviewed-by: David Sterba <dste...@suse.com>
> ---
> fs/btrfs/inode.c | 10 +++++++---
> 1 file changed, 7 insertions(+), 3 deletions(-)
>
> diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
> index fca2f1f..cc46d21 100644
> --- a/fs/btrfs/inode.c
> +++ b/fs/btrfs/inode.c
> @@ -7942,6 +7942,7 @@ static int __btrfs_correct_data_nocsum(struct inode
> *inode,
> u32 sectorsize;
> int nr_sectors;
> int ret;
> + int err;
>
> fs_info = BTRFS_I(inode)->root->fs_info;
> sectorsize = fs_info->sectorsize;
> @@ -7962,8 +7963,10 @@ static int __btrfs_correct_data_nocsum(struct inode
> *inode,
> pgoff, start, start + sectorsize - 1,
> io_bio->mirror_num,
> btrfs_retry_endio_nocsum, &done);
> - if (ret)
> - return ret;
> + if (ret) {
> + err = ret;
> + goto next;
> + }
>
> wait_for_completion(&done.done);
>
> @@ -7972,6 +7975,7 @@ static int __btrfs_correct_data_nocsum(struct inode
> *inode,
> goto next_block_or_try_again;
> }
>
> +next:
> start += sectorsize;
>
> if (nr_sectors--) {
> @@ -7980,7 +7984,7 @@ static int __btrfs_correct_data_nocsum(struct inode
> *inode,
> }
> }
>
> - return 0;
> + return err;
> }
>
> static void btrfs_retry_endio(struct bio *bio)
> --
> 2.5.5
>
> --
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