linux-ext4 - [PATCH 4/4] hfs: enable uncached buffer io support

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Message-Id: <20250626173023.2702554-5-frank.li@vivo.com>
Date: Thu, 26 Jun 2025 11:30:23 -0600
From: Yangtao Li <frank.li@...o.com>
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Subject: [PATCH 4/4] hfs: enable uncached buffer io support

Now cont_write_begin() support DONTCACHE mode, let's set FOP_DONTCACHE
flag to enable uncached buffer io support for hfs.

Signed-off-by: Yangtao Li <frank.li@...o.com>
---
 fs/hfs/inode.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c
index 8409e4412366..a62f45e9745d 100644
--- a/fs/hfs/inode.c
+++ b/fs/hfs/inode.c
@@ -695,6 +695,7 @@ static const struct file_operations hfs_file_operations = {
 	.fsync		= hfs_file_fsync,
 	.open		= hfs_file_open,
 	.release	= hfs_file_release,
+	.fop_flags	= FOP_DONTCACHE,
 };
 
 static const struct inode_operations hfs_file_inode_operations = {
-- 
2.48.1