[Virtio-fs] [PATCH v6 1/7] fuse: add fuse_should_enable_dax() helper
Jeffle Xu
jefflexu at linux.alibaba.com
Mon Oct 11 03:00:46 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 | 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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