From: Fengnan Chang changfengnan@vivo.com
[ 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@vivo.com Signed-off-by: Chao Yu yuchao0@huawei.com Acked-by: Chao Yu yuchao0@huawei.com Signed-off-by: Jaegeuk Kim jaegeuk@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- 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) {