Commit 944dd22e authored Jul 24, 2020 by Chao Yu Committed by Jaegeuk Kim Jul 26, 2020

f2fs: compress: fix to update isize when overwriting compressed file



We missed to update isize of compressed file in write_end() with
below case:

cluster size is 16KB

- write 14KB data from offset 0
- overwrite 16KB data from offset 0

Fixes: 4c8ff709 ("f2fs: support data compression")
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

parent a87aff1d

fs/f2fs/data.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -3470,6 +3470,10 @@ static int f2fs_write_end(struct file *file,
		if (f2fs_compressed_file(inode) && fsdata) {
		f2fs_compress_write_end(inode, fsdata, page->index, copied);
		f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);

		if (pos + copied > i_size_read(inode) &&
		!f2fs_verity_in_progress(inode))
		f2fs_i_size_write(inode, pos + copied);
		return copied;
		}
		#endif

Admin message