From: Yangtao Li <frank.li@vivo.com>
Date: Mon, 23 Jan 2023 09:46:01 +0000 (+0800)
Subject: f2fs: allow set compression option of files without blocks
X-Git-Tag: v6.2.5~190
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=7158fb10182e9cb21d64c11923caa901f50c8afb;p=thirdparty%2Fkernel%2Fstable.git

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 2498e5c70fd83..78e6015ce3a6f 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -3945,7 +3945,7 @@ 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;
 	}