Commit 7eab7a69 authored by Fengnan Chang's avatar Fengnan Chang Committed by Jaegeuk Kim
Browse files

f2fs: compress: remove unneeded read when rewrite whole cluster 



when we overwrite the whole page in cluster, we don't need read original
data before write, because after write_end(), writepages() can help to
load left data in that cluster.

Signed-off-by: default avatarFengnan Chang <changfengnan@vivo.com>
Signed-off-by: default avatarChao Yu <yuchao0@huawei.com>
Acked-by: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 2eeb0dce

fs/f2fs/data.c

+3 −0
Original line number Diff line number Diff line
@@ -3329,6 +3329,9 @@ static int f2fs_write_begin(struct file *file, struct address_space *mapping, 


		*fsdata = NULL;



		if (len == PAGE_SIZE)

			goto repeat;



		ret = f2fs_prepare_compress_overwrite(inode, pagep,

							index, fsdata);

		if (ret < 0) {