linux-kernel - [PATCH] f2fs: allow set compression option of files without blocks

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Message-Id: <20230123094601.32940-1-frank.li@vivo.com>
Date:   Mon, 23 Jan 2023 17:46:01 +0800
From:   Yangtao Li <frank.li@...o.com>
To:     jaegeuk@...nel.org, chao@...nel.org
Cc:     linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, Yangtao Li <frank.li@...o.com>
Subject: [PATCH] f2fs: allow set compression option of files without blocks

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@...o.com>
---
 fs/f2fs/file.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index b3bcb50490bd..fda04c37b48c 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -3990,7 +3990,7 @@ 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;
 	}
-- 
2.25.1