Unverified Commit 689de73f authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!9722 ext4: delete redundant uptodate 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zheng Zengkai <zhengzengkai@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/TDAELI3TNOBLYNY4BSVBWIJXL7MPQS5C/ 
Backport patch from mainline to optimize file copy performance.

Yang Guo (1):
  ext4: delete redundant uptodate check for buffer


-- 
2.20.1
 
https://gitee.com/openeuler/kernel/issues/I7D878 
 
Link:https://gitee.com/openeuler/kernel/pulls/9722

 

Reviewed-by: default avatarzhangyi (F) <yi.zhang@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents 1de0304d 50c40f22

fs/ext4/inode.c

+2 −4
Original line number Diff line number Diff line
@@ -1061,7 +1061,6 @@ static int ext4_block_write_begin(struct page *page, loff_t pos, unsigned len, 
		block_end = block_start + blocksize;

		if (block_end <= from || block_start >= to) {

			if (PageUptodate(page)) {

				if (!buffer_uptodate(bh))

				set_buffer_uptodate(bh);

			}

			continue;
@@ -1087,7 +1086,6 @@ static int ext4_block_write_begin(struct page *page, loff_t pos, unsigned len, 
			}

		}

		if (PageUptodate(page)) {

			if (!buffer_uptodate(bh))

			set_buffer_uptodate(bh);

			continue;

		}