diff options
| -rw-r--r-- | fs/namei.c | 16 | ||||
| -rw-r--r-- | fs/nfs/cache_lib.c | 9 | ||||
| -rw-r--r-- | fs/nfs/super.c | 16 | ||||
| -rw-r--r-- | include/linux/namei.h | 2 | ||||
| -rw-r--r-- | net/sunrpc/clnt.c | 11 |
5 files changed, 26 insertions, 28 deletions
@@ -1575,16 +1575,22 @@ int kern_path(const char *name, unsigned int flags, struct path *path) * @mnt: pointer to vfs mount of the base directory * @name: pointer to file name * @flags: lookup flags - * @nd: pointer to nameidata + * @path: pointer to struct path to fill */ int vfs_path_lookup(struct dentry *dentry, struct vfsmount *mnt, const char *name, unsigned int flags, - struct nameidata *nd) + struct path *path) { - nd->root.dentry = dentry; - nd->root.mnt = mnt; + struct nameidata nd; + int err; + nd.root.dentry = dentry; + nd.root.mnt = mnt; + BUG_ON(flags & LOOKUP_PARENT); /* the first argument of do_path_lookup() is ignored with LOOKUP_ROOT */ - return do_path_lookup(AT_FDCWD, name, flags | LOOKUP_ROOT, nd); + err = do_path_lookup(AT_FDCWD, name, flags | LOOKUP_ROOT, &nd); + if (!err) + *path = nd.path; + return err; } static struct dentry *__lookup_hash(struct qstr *name, diff --git a/fs/nfs/cache_lib.c b/fs/nfs/cache_lib.c index 8469031..c98b439 100644 --- a/fs/nfs/cache_lib.c +++ b/fs/nfs/cache_lib.c @@ -113,19 +113,18 @@ int nfs_cache_wait_for_upcall(struct nfs_cache_defer_req *dreq) int nfs_cache_register(struct cache_detail *cd) { - struct nameidata nd; struct vfsmount *mnt; + struct path path; int ret; mnt = rpc_get_mount(); if (IS_ERR(mnt)) return PTR_ERR(mnt); - ret = vfs_path_lookup(mnt->mnt_root, mnt, "/cache", 0, &nd); + ret = vfs_path_lookup(mnt->mnt_root, mnt, "/cache", 0, &path); if (ret) goto err; - ret = sunrpc_cache_register_pipefs(nd.path.dentry, - cd->name, 0600, cd); - path_put(&nd.path); + ret = sunrpc_cache_register_pipefs(path.dentry, cd->name, 0600, cd); + path_put(&path); if (!ret) return ret; err: diff --git a/fs/nfs/super.c b/fs/nfs/super.c index ce40e5c..b961cea 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -2773,16 +2773,12 @@ static void nfs_referral_loop_unprotect(void) static struct dentry *nfs_follow_remote_path(struct vfsmount *root_mnt, const char *export_path) { - struct nameidata *nd = NULL; struct mnt_namespace *ns_private; struct super_block *s; struct dentry *dentry; + struct path path; int ret; - nd = kmalloc(sizeof(*nd), GFP_KERNEL); - if (nd == NULL) - return ERR_PTR(-ENOMEM); - ns_private = create_mnt_ns(root_mnt); ret = PTR_ERR(ns_private); if (IS_ERR(ns_private)) @@ -2793,7 +2789,7 @@ static struct dentry *nfs_follow_remote_path(struct vfsmount *root_mnt, goto out_put_mnt_ns; ret = vfs_path_lookup(root_mnt->mnt_root, root_mnt, - export_path, LOOKUP_FOLLOW, nd); + export_path, LOOKUP_FOLLOW, &path); nfs_referral_loop_unprotect(); put_mnt_ns(ns_private); @@ -2801,12 +2797,11 @@ static struct dentry *nfs_follow_remote_path(struct vfsmount *root_mnt, if (ret != 0) goto out_err; - s = nd->path.mnt->mnt_sb; + s = path.mnt->mnt_sb; atomic_inc(&s->s_active); - dentry = dget(nd->path.dentry); + dentry = dget(path.dentry); - path_put(&nd->path); - kfree(nd); + path_put(&path); down_write(&s->s_umount); return dentry; out_put_mnt_ns: @@ -2814,7 +2809,6 @@ out_put_mnt_ns: out_mntput: mntput(root_mnt); out_err: - kfree(nd); return ERR_PTR(ret); } diff --git a/include/linux/namei.h b/include/linux/namei.h index b8cea80..76fe2c6 100644 --- a/include/linux/namei.h +++ b/include/linux/namei.h @@ -78,7 +78,7 @@ extern struct dentry *kern_path_create(int, const char *, struct path *, int); extern struct dentry *user_path_create(int, const char __user *, struct path *, int); extern int kern_path_parent(const char *, struct nameidata *); extern int vfs_path_lookup(struct dentry *, struct vfsmount *, - const char *, unsigned int, struct nameidata *); + const char *, unsigned int, struct path *); extern struct file *lookup_instantiate_filp(struct nameidata *nd, struct dentry *dentry, int (*open)(struct inode *, struct file *)); diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 8c91415..304f403 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -97,8 +97,7 @@ static int rpc_setup_pipedir(struct rpc_clnt *clnt, char *dir_name) { static uint32_t clntid; - struct nameidata nd; - struct path path; + struct path path, dir; char name[15]; struct qstr q = { .name = name, @@ -113,7 +112,7 @@ rpc_setup_pipedir(struct rpc_clnt *clnt, char *dir_name) path.mnt = rpc_get_mount(); if (IS_ERR(path.mnt)) return PTR_ERR(path.mnt); - error = vfs_path_lookup(path.mnt->mnt_root, path.mnt, dir_name, 0, &nd); + error = vfs_path_lookup(path.mnt->mnt_root, path.mnt, dir_name, 0, &dir); if (error) goto err; @@ -121,7 +120,7 @@ rpc_setup_pipedir(struct rpc_clnt *clnt, char *dir_name) q.len = snprintf(name, sizeof(name), "clnt%x", (unsigned int)clntid++); name[sizeof(name) - 1] = '\0'; q.hash = full_name_hash(q.name, q.len); - path.dentry = rpc_create_client_dir(nd.path.dentry, &q, clnt); + path.dentry = rpc_create_client_dir(dir.dentry, &q, clnt); if (!IS_ERR(path.dentry)) break; error = PTR_ERR(path.dentry); @@ -132,11 +131,11 @@ rpc_setup_pipedir(struct rpc_clnt *clnt, char *dir_name) goto err_path_put; } } - path_put(&nd.path); + path_put(&dir); clnt->cl_path = path; return 0; err_path_put: - path_put(&nd.path); + path_put(&dir); err: rpc_put_mount(); return error; |
