From 7eab7a6968278c735b1ca6387056a408f7960265 Mon Sep 17 00:00:00 2001 From: Fengnan Chang Date: Tue, 22 Jun 2021 19:50:59 +0800 Subject: 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: Fengnan Chang Signed-off-by: Chao Yu Acked-by: Chao Yu Signed-off-by: Jaegeuk Kim --- fs/f2fs/data.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'fs/f2fs/data.c') diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 28ad1f533c2a..d7f9d66577f5 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -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) { -- cgit v1.2.3