[PATCH v6 1/7] fuse: add fuse_should_enable_dax() helper

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This is in prep for following per-file DAX checking.

Signed-off-by: Jeffle Xu <jefflexu@xxxxxxxxxxxxxxxxx>
---
 fs/fuse/dax.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/fs/fuse/dax.c b/fs/fuse/dax.c
index 79df61ed7481..1eb6538bf1b2 100644
--- a/fs/fuse/dax.c
+++ b/fs/fuse/dax.c
@@ -1332,11 +1332,19 @@ 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)
+	if (fc->dax)
+		return true;
+
+	return false;
+}
+
+void fuse_dax_inode_init(struct inode *inode)
+{
+	if (!fuse_should_enable_dax(inode))
 		return;
 
 	inode->i_flags |= S_DAX;
-- 
2.27.0




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