From: Liu Bo Date: Tue, 4 Apr 2017 19:23:25 +0000 (-0700) Subject: Btrfs: use bio_clone_fast to clone our bio X-Git-Tag: v4.13-rc1~150^2~103 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=015c1bd9f162a00934dd71859f36b12d03c8e771;p=karo-tx-linux.git Btrfs: use bio_clone_fast to clone our bio For raid1 and raid10, we clone the original bio to the bios which are then sent to different disks. Right now we use bio_clone_bioset to create a clone bio with iterating bi_io_vec to initialize it. This changes it to use bio_clone_fast() which creates a clone bio but only copies the bi_io_vec pointer instead of iterating bi_io_vec. Signed-off-by: Liu Bo Reviewed-by: David Sterba Signed-off-by: David Sterba --- diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 1fcfa1d9e77a..292e458b2a9d 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -2694,7 +2694,7 @@ struct bio *btrfs_bio_clone(struct bio *bio, gfp_t gfp_mask) struct btrfs_io_bio *btrfs_bio; struct bio *new; - new = bio_clone_bioset(bio, gfp_mask, btrfs_bioset); + new = bio_clone_fast(bio, gfp_mask, btrfs_bioset); if (new) { btrfs_bio = btrfs_io_bio(new); btrfs_bio->csum = NULL;