Commit a5991428 authored Jul 15, 2011 by Josef Bacik Committed by Chris Mason Jul 27, 2011

Btrfs: don't flush delalloc arbitrarily



Kill the check to see if we have 512mb of reserved space in delalloc and
shrink_delalloc if we do.  This causes unexpected latencies and we have other
logic to see if we need to throttle.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

parent a94733d0

fs/btrfs/extent-tree.c

+0 −3

Original line number	Diff line number	Diff line
		@@ -3986,9 +3986,6 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes)

		block_rsv_add_bytes(block_rsv, to_reserve, 1);

		if (block_rsv->size > 512 * 1024 * 1024)
		shrink_delalloc(NULL, root, to_reserve, 0);

		return 0;
		}