From: Darrick J. Wong <djwong@xxxxxxxxxx>
In iomap mode, the fuse kernel driver is in charge of updating file
attributes, so we need to update ctime after an ACL change.
Signed-off-by: "Darrick J. Wong" <djwong@xxxxxxxxxx>
---
fs/fuse/acl.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/fs/fuse/acl.c b/fs/fuse/acl.c
index 4f37390e3f3ce7..efab333415131c 100644
--- a/fs/fuse/acl.c
+++ b/fs/fuse/acl.c
@@ -169,10 +169,24 @@ int fuse_set_acl(struct mnt_idmap *idmap, struct dentry *dentry,
ret = 0;
}
- /* If we scheduled a mode update above, push that to userspace now. */
if (!ret) {
struct iattr attr = { };
+ /*
+ * When we're running in iomap mode, we need to update mode and
+ * ctime ourselves instead of letting the fuse server figure
+ * that out.
+ */
+ if (fuse_has_iomap(inode)) {
+ attr.ia_valid |= ATTR_CTIME;
+ inode_set_ctime_current(inode);
+ attr.ia_ctime = inode_get_ctime(inode);
+ }
+
+ /*
+ * If we scheduled a mode update above, push that to userspace
+ * now.
+ */
if (mode != inode->i_mode) {
attr.ia_valid |= ATTR_MODE;
attr.ia_mode = mode;
