Commit 015c1bd9 authored by Liu Bo's avatar Liu Bo Committed by David Sterba

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: default avatarLiu Bo <bo.li.liu@oracle.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 7870d082
...@@ -2694,7 +2694,7 @@ struct bio *btrfs_bio_clone(struct bio *bio, gfp_t gfp_mask) ...@@ -2694,7 +2694,7 @@ struct bio *btrfs_bio_clone(struct bio *bio, gfp_t gfp_mask)
struct btrfs_io_bio *btrfs_bio; struct btrfs_io_bio *btrfs_bio;
struct bio *new; struct bio *new;
new = bio_clone_bioset(bio, gfp_mask, btrfs_bioset); new = bio_clone_fast(bio, gfp_mask, btrfs_bioset);
if (new) { if (new) {
btrfs_bio = btrfs_io_bio(new); btrfs_bio = btrfs_io_bio(new);
btrfs_bio->csum = NULL; btrfs_bio->csum = NULL;
......
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