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authorMark Brown <broonie@kernel.org>2016-05-04 14:41:51 +0100
committerMark Brown <broonie@kernel.org>2016-05-04 14:41:51 +0100
commit3d277b177918cd26215732fc23af0783ab4b37dd (patch)
tree2033b4f517415e9e68eb066fa073b79a3884e03d /include/linux/dcache.h
parentf55532a0c0b8bb6148f4e07853b876ef73bc69ca (diff)
parent02da2d72174c61988eb4456b53f405e3ebdebce4 (diff)
downloadlinux-3d277b177918cd26215732fc23af0783ab4b37dd.tar.gz
linux-3d277b177918cd26215732fc23af0783ab4b37dd.tar.xz
Merge tag 'v4.6-rc5' into spi-rockchip
Linux 4.6-rc5
Diffstat (limited to 'include/linux/dcache.h')
-rw-r--r--include/linux/dcache.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index 7cb043d8f4e8..4bb4de8d95ea 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -161,6 +161,7 @@ struct dentry_operations {
struct vfsmount *(*d_automount)(struct path *);
int (*d_manage)(struct dentry *, bool);
struct inode *(*d_select_inode)(struct dentry *, unsigned);
+ struct dentry *(*d_real)(struct dentry *, struct inode *);
} ____cacheline_aligned;
/*
@@ -229,6 +230,7 @@ struct dentry_operations {
#define DCACHE_OP_SELECT_INODE 0x02000000 /* Unioned entry: dcache op selects inode */
#define DCACHE_ENCRYPTED_WITH_KEY 0x04000000 /* dir is encrypted with a valid key */
+#define DCACHE_OP_REAL 0x08000000
extern seqlock_t rename_lock;
@@ -555,4 +557,12 @@ static inline struct dentry *d_backing_dentry(struct dentry *upper)
return upper;
}
+static inline struct dentry *d_real(struct dentry *dentry)
+{
+ if (unlikely(dentry->d_flags & DCACHE_OP_REAL))
+ return dentry->d_op->d_real(dentry, NULL);
+ else
+ return dentry;
+}
+
#endif /* __LINUX_DCACHE_H */