diff mbox series

[RFC,1/3] fuse: add fuse_should_enable_dax() helper

Message ID 20210715093031.55667-2-jefflexu@linux.alibaba.com (mailing list archive)
State New, archived
Headers show
Series virtiofs,fuse: support per-file DAX | expand

Commit Message

Jingbo Xu July 15, 2021, 9:30 a.m. UTC 
This is in prep for following per-file DAX checking.

Signed-off-by: Jeffle Xu <jefflexu@linux.alibaba.com>
---
 fs/fuse/dax.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)
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Patch

diff --git a/fs/fuse/dax.c b/fs/fuse/dax.c
index 0e5407f48e6a..97b8bd09baa3 100644
--- a/fs/fuse/dax.c
+++ b/fs/fuse/dax.c
@@ -1336,11 +1336,19 @@  static const struct address_space_operations fuse_dax_file_aops  = {
 	.invalidatepage	= noop_invalidatepage,
 };
 
-void fuse_dax_inode_init(struct inode *inode)
+static bool fuse_should_enable_dax(struct inode *inode)
 {
 	struct fuse_conn *fc = get_fuse_conn(inode);
 
 	if (!fc->dax)
+		return false;
+ 
+	return true;
+}
+
+void fuse_dax_inode_init(struct inode *inode)
+{
+	if (!fuse_should_enable_dax(inode))
 		return;
 
 	inode->i_flags |= S_DAX;