diff options
| author | Christoph Hellwig <hch@lst.de> | 2023-03-27 09:49:51 +0900 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2023-04-17 18:01:22 +0200 |
| commit | 3480373ebdf7625ee29bee6508c9fc4ae70c00bf (patch) | |
| tree | dddeb5c65b5a3d8dd35e31347916ac7d4846ce7b /block/blk-core.c | |
| parent | 0a0596fbbe5bddd28b1dfae7e7ecb6d70bdbf059 (diff) | |
btrfs, block: move REQ_CGROUP_PUNT to btrfs
REQ_CGROUP_PUNT is a bit annoying as it is hard to follow and adds
a branch to the bio submission hot path. To fix this, export
blkcg_punt_bio_submit and let btrfs call it directly. Add a new
REQ_FS_PRIVATE flag for btrfs to indicate to it's own low-level
bio submission code that a punt to the cgroup submission helper
is required.
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'block/blk-core.c')
| -rw-r--r-- | block/blk-core.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index 42926e6cb83c..478978dcb2bd 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -830,9 +830,6 @@ EXPORT_SYMBOL(submit_bio_noacct); */ void submit_bio(struct bio *bio) { - if (blkcg_punt_bio_submit(bio)) - return; - if (bio_op(bio) == REQ_OP_READ) { task_io_account_read(bio->bi_iter.bi_size); count_vm_events(PGPGIN, bio_sectors(bio)); |