diff options
Diffstat (limited to 'fs/btrfs/disk-io.c')
| -rw-r--r-- | fs/btrfs/disk-io.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 45bc3132b05..45b4f728527 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -460,6 +460,13 @@ int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode, async->submit_bio_hook = submit_bio_hook; async->work.func = run_one_async_submit; async->work.flags = 0; + + while(atomic_read(&fs_info->async_submit_draining) && + atomic_read(&fs_info->nr_async_submits)) { + wait_event(fs_info->async_submit_wait, + (atomic_read(&fs_info->nr_async_submits) == 0)); + } + atomic_inc(&fs_info->nr_async_submits); btrfs_queue_worker(&fs_info->workers, &async->work); @@ -495,11 +502,8 @@ static int __btree_submit_bio_hook(struct inode *inode, int rw, struct bio *bio, int mirror_num) { struct btrfs_root *root = BTRFS_I(inode)->root; - u64 offset; int ret; - offset = bio->bi_sector << 9; - /* * when we're called for a write, we're already in the async * submission context. Just jump into btrfs_map_bio @@ -1360,6 +1364,7 @@ struct btrfs_root *open_ctree(struct super_block *sb, INIT_LIST_HEAD(&fs_info->space_info); btrfs_mapping_init(&fs_info->mapping_tree); atomic_set(&fs_info->nr_async_submits, 0); + atomic_set(&fs_info->async_submit_draining, 0); atomic_set(&fs_info->nr_async_bios, 0); atomic_set(&fs_info->throttles, 0); atomic_set(&fs_info->throttle_gen, 0); |