From: Fengnan Chang <changfengnan@xxxxxxxx>
[ Upstream commit 7eab7a6968278c735b1ca6387056a408f7960265 ]
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 <changfengnan@xxxxxxxx>
Signed-off-by: Chao Yu <yuchao0@xxxxxxxxxx>
Acked-by: Chao Yu <yuchao0@xxxxxxxxxx>
Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
fs/f2fs/data.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index d27a92a54447..04e980c58319 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -3461,6 +3461,9 @@ 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) {
--
2.34.1
