diff mbox series

[10/12] btrfs: don't allocate a btrfs_bio for raid56 per-stripe bios

Message ID 20220404044528.71167-11-hch@lst.de (mailing list archive)
State New, archived
Headers show
Series [01/12] btrfs: refactor __btrfsic_submit_bio | expand

Commit Message

Christoph Hellwig April 4, 2022, 4:45 a.m. UTC 
Except for the spurious initialization of ->device just after allocation
nothing uses the btrfs_bio, so just allocate a normal bio without extra
data.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Qu Wenruo <wqu@suse.com>
---
 fs/btrfs/raid56.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c
index 2f1f7ca27acd5..a0d65f4b2b258 100644
--- a/fs/btrfs/raid56.c
+++ b/fs/btrfs/raid56.c
@@ -1103,11 +1103,8 @@  static int rbio_add_io_page(struct btrfs_raid_bio *rbio,
 	}
 
 	/* put a new bio on the list */
-	bio = btrfs_bio_alloc(bio_max_len >> PAGE_SHIFT ?: 1);
-	btrfs_bio(bio)->device = stripe->dev;
-	bio->bi_iter.bi_size = 0;
-	bio_set_dev(bio, stripe->dev->bdev);
-	bio->bi_opf = opf;
+	bio = bio_alloc(stripe->dev->bdev, max(bio_max_len >> PAGE_SHIFT, 1UL),
+			opf, GFP_NOFS);
 	bio->bi_iter.bi_sector = disk_start >> 9;
 	bio->bi_private = rbio;