fs: change d_hash for rcu-walk

Change d_hash so it may be called from lock-free RCU lookups. See similar
patch for d_compare for details.

For in-tree filesystems, this is just a mechanical change.

Signed-off-by: Nick Piggin <npiggin@kernel.dk>

1 files changed, 2 insertions, 1 deletions

diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index 75a072bf2a34..1149e706f04d 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -133,7 +133,8 @@ enum dentry_d_lock_class
 
 struct dentry_operations {
         int (*d_revalidate)(struct dentry *, struct nameidata *);
-        int (*d_hash)(struct dentry *, struct qstr *);
+        int (*d_hash)(const struct dentry *, const struct inode *,
+                        struct qstr *);
         int (*d_compare)(const struct dentry *, const struct inode *,
                         const struct dentry *, const struct inode *,
                         unsigned int, const char *, const struct qstr *);