f2fs: allow set compression option of files without blocks

[ Upstream commit e6261beb0c629403dc58997294dd521bd23664af ]

Files created by truncate have a size but no blocks, so
they can be allowed to set compression option.

Fixes: e1e8debec656 ("f2fs: add F2FS_IOC_SET_COMPRESS_OPTION ioctl")
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 7bb0c05e943cf7409f43c295ebce87f109349624..88eecd7149cd57962af83f79ad2f99564c81449b 100644 (file)
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -3937,7 +3937,7 @@ static int f2fs_ioc_set_compress_option(struct file *filp, unsigned long arg)
                goto out;
        }
 
-       if (inode->i_size != 0) {
+       if (F2FS_HAS_BLOCKS(inode)) {
                ret = -EFBIG;
                goto out;
        }