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-rw-r--r--include/linux/dcache.h21
1 files changed, 7 insertions, 14 deletions
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index d64a55b23afd..4270bedd2308 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -54,18 +54,17 @@ extern struct dentry_stat_t dentry_stat;
static inline int dentry_cmp(const unsigned char *cs, size_t scount,
const unsigned char *ct, size_t tcount)
{
- int ret;
if (scount != tcount)
return 1;
+
do {
- ret = (*cs != *ct);
- if (ret)
- break;
+ if (*cs != *ct)
+ return 1;
cs++;
ct++;
tcount--;
} while (tcount);
- return ret;
+ return 0;
}
/* Name hashing routines. Initial hash value */
@@ -89,14 +88,7 @@ static inline unsigned long end_name_hash(unsigned long hash)
}
/* Compute the hash for a name string. */
-static inline unsigned int
-full_name_hash(const unsigned char *name, unsigned int len)
-{
- unsigned long hash = init_name_hash();
- while (len--)
- hash = partial_name_hash(*name++, hash);
- return end_name_hash(hash);
-}
+extern unsigned int full_name_hash(const unsigned char *, unsigned int);
/*
* Try to keep struct dentry aligned on 64 byte cachelines (this will
@@ -309,7 +301,8 @@ extern struct dentry *d_ancestor(struct dentry *, struct dentry *);
extern struct dentry *d_lookup(struct dentry *, struct qstr *);
extern struct dentry *d_hash_and_lookup(struct dentry *, struct qstr *);
extern struct dentry *__d_lookup(struct dentry *, struct qstr *);
-extern struct dentry *__d_lookup_rcu(struct dentry *parent, struct qstr *name,
+extern struct dentry *__d_lookup_rcu(const struct dentry *parent,
+ const struct qstr *name,
unsigned *seq, struct inode **inode);
/**