On 25.05.2011 14:22, Arne Jansen wrote:
> scrub_page collects several pages into one bio as long as they are physically
> contiguous. As we only save one logical address for the whole bio, don't
> collect pages that are physically contiguous but logically discontiguous.
This patch applies to the integration-test branch. I also pushed it
into my for-chris branch.
-Arne
>
> Signed-off-by: Arne Jansen <sensille@xxxxxxx>
> ---
> fs/btrfs/scrub.c | 3 ++-
> 1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
> index a31f2a9..21ee93c 100644
> --- a/fs/btrfs/scrub.c
> +++ b/fs/btrfs/scrub.c
> @@ -631,7 +631,8 @@ again:
> if (sbio->count == 0) {
> sbio->physical = physical;
> sbio->logical = logical;
> - } else if (sbio->physical + sbio->count * PAGE_SIZE != physical) {
> + } else if (sbio->physical + sbio->count * PAGE_SIZE != physical ||
> + sbio->logical + sbio->count * PAGE_SIZE != logical) {
> scrub_submit(sdev);
> goto again;
> }
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