From: Namjae Jeon <linkinjeon@kernel.org>
Date: Fri, 8 May 2026 05:33:35 +0000 (+0900)
Subject: exfat: add exfat_file_open()
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a095c12ef13156cc86de858c8d127f24895e2d6e;p=thirdparty%2Flinux.git

exfat: add exfat_file_open()

Add exfat_file_open() to handle file open operation for exFAT.
This change is a preparation step before introducing iomap-based direct
IO support.

Acked-by: Christoph Hellwig <hch@lst.de>
Acked-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
---

diff --git a/fs/exfat/file.c b/fs/exfat/file.c
index 935dcc803ebb..857cd3030cae 100644
--- a/fs/exfat/file.c
+++ b/fs/exfat/file.c
@@ -813,7 +813,16 @@ static ssize_t exfat_splice_read(struct file *in, loff_t *ppos,
 	return filemap_splice_read(in, ppos, pipe, len, flags);
 }
 
+static int exfat_file_open(struct inode *inode, struct file *filp)
+{
+	if (unlikely(exfat_forced_shutdown(inode->i_sb)))
+		return -EIO;
+
+	return generic_file_open(inode, filp);
+}
+
 const struct file_operations exfat_file_operations = {
+	.open		= exfat_file_open,
 	.llseek		= generic_file_llseek,
 	.read_iter	= exfat_file_read_iter,
 	.write_iter	= exfat_file_write_iter,