From: Josef "Jeff" Sipek <[email protected]>
This patch renames lookup_one_len to lookup_one_len_nd, and adds a nameidata
argument. An inline function, lookup_one_len (which calls lookup_one_len_nd
with nd == NULL) preserves original behavior.
The following Unionfs patches depend on this one.
Signed-off-by: Josef "Jeff" Sipek <[email protected]>
---
fs/namei.c | 8 ++++----
include/linux/namei.h | 10 +++++++++-
2 files changed, 13 insertions(+), 5 deletions(-)
diff --git a/fs/namei.c b/fs/namei.c
index 8a7b923..76de391 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1290,8 +1290,8 @@ static struct dentry *lookup_hash(struct
return __lookup_hash(&nd->last, nd->dentry, nd);
}
-/* SMP-safe */
-struct dentry * lookup_one_len(const char * name, struct dentry * base, int len)
+struct dentry * lookup_one_len_nd(const char *name, struct dentry * base,
+ int len, struct nameidata *nd)
{
unsigned long hash;
struct qstr this;
@@ -1311,7 +1311,7 @@ struct dentry * lookup_one_len(const cha
}
this.hash = end_name_hash(hash);
- return __lookup_hash(&this, base, NULL);
+ return __lookup_hash(&this, base, nd);
access:
return ERR_PTR(-EACCES);
}
@@ -2756,7 +2756,7 @@ EXPORT_SYMBOL(follow_up);
EXPORT_SYMBOL(get_write_access); /* binfmt_aout */
EXPORT_SYMBOL(getname);
EXPORT_SYMBOL(lock_rename);
-EXPORT_SYMBOL(lookup_one_len);
+EXPORT_SYMBOL(lookup_one_len_nd);
EXPORT_SYMBOL(page_follow_link_light);
EXPORT_SYMBOL(page_put_link);
EXPORT_SYMBOL(page_readlink);
diff --git a/include/linux/namei.h b/include/linux/namei.h
index d39a5a6..8551806 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -81,7 +81,15 @@ extern struct file *lookup_instantiate_f
extern struct file *nameidata_to_filp(struct nameidata *nd, int flags);
extern void release_open_intent(struct nameidata *);
-extern struct dentry * lookup_one_len(const char *, struct dentry *, int);
+extern struct dentry * lookup_one_len_nd(const char *,
+ struct dentry *, int, struct nameidata *);
+
+/* SMP-safe */
+static inline struct dentry *lookup_one_len(const char *name,
+ struct dentry *dir, int len)
+{
+ return lookup_one_len_nd(name, dir, len, NULL);
+}
extern int follow_down(struct vfsmount **, struct dentry **);
extern int follow_up(struct vfsmount **, struct dentry **);
--
1.4.3.3
-
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