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-rw-r--r--include/linux/dcache.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index 19d90a55541d..d37d2a793099 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -1,7 +1,7 @@
#ifndef __LINUX_DCACHE_H
#define __LINUX_DCACHE_H
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <linux/list.h>
#include <linux/rculist.h>
#include <linux/rculist_bl.h>
@@ -216,6 +216,7 @@ struct dentry_operations {
#define DCACHE_MOUNTED 0x10000 /* is a mountpoint */
#define DCACHE_NEED_AUTOMOUNT 0x20000 /* handle automount on this dir */
#define DCACHE_MANAGE_TRANSIT 0x40000 /* manage transit from this dirent */
+#define DCACHE_NEED_LOOKUP 0x80000 /* dentry requires i_op->lookup */
#define DCACHE_MANAGED_DENTRY \
(DCACHE_MOUNTED|DCACHE_NEED_AUTOMOUNT|DCACHE_MANAGE_TRANSIT)
@@ -416,7 +417,12 @@ static inline bool d_mountpoint(struct dentry *dentry)
return dentry->d_flags & DCACHE_MOUNTED;
}
-extern struct dentry *lookup_create(struct nameidata *nd, int is_dir);
+static inline bool d_need_lookup(struct dentry *dentry)
+{
+ return dentry->d_flags & DCACHE_NEED_LOOKUP;
+}
+
+extern void d_clear_need_lookup(struct dentry *dentry);
extern int sysctl_vfs_cache_pressure;
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