Commit c7b41e16 authored Jul 07, 2016 by Yunlei He Committed by Jaegeuk Kim Jul 08, 2016

f2fs: avoid mismatching block range for discard



This patch skip discard block range smaller than trim_minlen,
and can not be merged by neighbour

Signed-off-by: Yunlei He <heyunlei@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

parent 3e6d0b4d

fs/f2fs/segment.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -672,6 +672,10 @@ static void add_discard_addrs(struct f2fs_sb_info sbi, struct cp_control cpc)
		break;

		end = __find_rev_next_zero_bit(dmap, max_blocks, start + 1);
		if (force && start && end != max_blocks
		&& (end - start) < cpc->trim_minlen)
		continue;

		__add_discard_entry(sbi, cpc, se, start, end);
		}
		}