[Virtio-fs] [PATCH v5 1/5] fuse: add fuse_should_enable_dax() helper
Jeffle Xu
jefflexu at linux.alibaba.com
Thu Sep 23 09:25:22 UTC 2021
This is in prep for following per-file DAX checking.
Signed-off-by: Jeffle Xu <jefflexu at linux.alibaba.com>
---
fs/fuse/dax.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/fs/fuse/dax.c b/fs/fuse/dax.c
index 281d79f8b3d3..28db96ea23e2 100644
--- a/fs/fuse/dax.c
+++ b/fs/fuse/dax.c
@@ -1330,11 +1330,19 @@ 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;
--
2.27.0
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