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-rw-r--r--include/linux/dcache.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index e4414693065e..f4b40a751f09 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -183,6 +183,11 @@ struct dentry_operations {
#define DCACHE_GENOCIDE 0x0200
#define DCACHE_MOUNTED 0x0400 /* is a mountpoint */
+#define DCACHE_OP_HASH 0x1000
+#define DCACHE_OP_COMPARE 0x2000
+#define DCACHE_OP_REVALIDATE 0x4000
+#define DCACHE_OP_DELETE 0x8000
+
extern spinlock_t dcache_inode_lock;
extern seqlock_t rename_lock;
@@ -201,6 +206,7 @@ extern struct dentry * d_materialise_unique(struct dentry *, struct inode *);
extern void __d_drop(struct dentry *dentry);
extern void d_drop(struct dentry *dentry);
extern void d_delete(struct dentry *);
+extern void d_set_d_op(struct dentry *dentry, const struct dentry_operations *op);
/* allocate/de-allocate */
extern struct dentry * d_alloc(struct dentry *, const struct qstr *);