From 44b8bd7edda4f63de180d0f7325c9fb704b3806b Mon Sep 17 00:00:00 2001 From: Chris Mason Date: Wed, 16 Apr 2008 11:14:51 -0400 Subject: Btrfs: Create a work queue for bio writes This allows checksumming to happen in parallel among many cpus, and keeps us from bogging down pdflush with the checksumming code. Signed-off-by: Chris Mason --- fs/btrfs/extent_io.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'fs/btrfs/extent_io.h') diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index b47859ccd78a..232300d13be2 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -24,11 +24,12 @@ struct extent_state; +typedef int (extent_submit_bio_hook_t)(struct inode *inode, int rw, + struct bio *bio, int mirror_num); struct extent_io_ops { int (*fill_delalloc)(struct inode *inode, u64 start, u64 end); int (*writepage_io_hook)(struct page *page, u64 start, u64 end); - int (*submit_bio_hook)(struct inode *inode, int rw, struct bio *bio, - int mirror_num); + extent_submit_bio_hook_t *submit_bio_hook; int (*merge_bio_hook)(struct page *page, unsigned long offset, size_t size, struct bio *bio); int (*readpage_io_hook)(struct page *page, u64 start, u64 end); -- cgit v1.2.3