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btrfs: raid56: add new helper for starting async work 

Add helper that schedules a given function to run on the rmw workqueue.
This will replace several standalone helpers.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2018-06-29 10:56:56 +02:00
parent ebcc326316
commit ac63885907
1 changed files with 6 additions and 0 deletions
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6
fs/btrfs/raid56.c
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@ -174,6 +174,12 @@ static noinline void finish_parity_scrub(struct btrfs_raid_bio *rbio,
int need_check);
static void async_scrub_parity(struct btrfs_raid_bio *rbio);
static void start_async_work(struct btrfs_raid_bio *rbio, btrfs_func_t work_func)
{
btrfs_init_work(&rbio->work, btrfs_rmw_helper, work_func, NULL, NULL);
btrfs_queue_work(rbio->fs_info->rmw_workers, &rbio->work);
}
/*
* the stripe hash table is used for locking, and to collect
* bios in hopes of making a full stripe