From 53176dde0acd8fa49c6c2e6097283acc6241480f Mon Sep 17 00:00:00 2001 From: David Sterba Date: Thu, 5 Apr 2018 01:41:06 +0200 Subject: btrfs: dev-replace: remove custom read/write blocking scheme After the rw semaphore has been added, the custom blocking using ::blocking_readers and ::read_lock_wq is redundant. The blocking logic in __btrfs_map_block is replaced by extending the time the semaphore is held, that has the same blocking effect on writes as the previous custom scheme that waited until ::blocking_readers was zero. Signed-off-by: David Sterba --- fs/btrfs/dev-replace.h | 1 - 1 file changed, 1 deletion(-) (limited to 'fs/btrfs/dev-replace.h') diff --git a/fs/btrfs/dev-replace.h b/fs/btrfs/dev-replace.h index 27e3bb0cca11..dd1dcb22c1e3 100644 --- a/fs/btrfs/dev-replace.h +++ b/fs/btrfs/dev-replace.h @@ -23,6 +23,5 @@ void btrfs_dev_replace_read_lock(struct btrfs_dev_replace *dev_replace); void btrfs_dev_replace_read_unlock(struct btrfs_dev_replace *dev_replace); void btrfs_dev_replace_write_lock(struct btrfs_dev_replace *dev_replace); void btrfs_dev_replace_write_unlock(struct btrfs_dev_replace *dev_replace); -void btrfs_dev_replace_set_lock_blocking(struct btrfs_dev_replace *dev_replace); #endif -- cgit v1.2.3-73-gaa49b