From 158998b6fe36f6acef087f574c96d44713499cc9 Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Thu, 24 Aug 2006 01:03:17 -0400 Subject: SUNRPC: Make rpc_mkpipe() take the parent dentry as an argument Signed-off-by: Trond Myklebust --- net/sunrpc/auth_gss/auth_gss.c | 7 ++----- net/sunrpc/rpc_pipe.c | 38 +++++++++++++++++++++++--------------- 2 files changed, 25 insertions(+), 20 deletions(-) (limited to 'net/sunrpc') diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c index ef1cf5b476c8..6eed3e166ba3 100644 --- a/net/sunrpc/auth_gss/auth_gss.c +++ b/net/sunrpc/auth_gss/auth_gss.c @@ -88,7 +88,6 @@ struct gss_auth { struct list_head upcalls; struct rpc_clnt *client; struct dentry *dentry; - char path[48]; spinlock_t lock; }; @@ -690,10 +689,8 @@ gss_create(struct rpc_clnt *clnt, rpc_authflavor_t flavor) if (err) goto err_put_mech; - snprintf(gss_auth->path, sizeof(gss_auth->path), "%s/%s", - clnt->cl_pathname, - gss_auth->mech->gm_name); - gss_auth->dentry = rpc_mkpipe(gss_auth->path, clnt, &gss_upcall_ops, RPC_PIPE_WAIT_FOR_OPEN); + gss_auth->dentry = rpc_mkpipe(clnt->cl_dentry, gss_auth->mech->gm_name, + clnt, &gss_upcall_ops, RPC_PIPE_WAIT_FOR_OPEN); if (IS_ERR(gss_auth->dentry)) { err = PTR_ERR(gss_auth->dentry); goto err_put_mech; diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c index c21dc07f2a8c..11ec12a09d70 100644 --- a/net/sunrpc/rpc_pipe.c +++ b/net/sunrpc/rpc_pipe.c @@ -621,17 +621,13 @@ __rpc_rmdir(struct inode *dir, struct dentry *dentry) } static struct dentry * -rpc_lookup_negative(char *path, struct nameidata *nd) +rpc_lookup_create(struct dentry *parent, const char *name, int len) { + struct inode *dir = parent->d_inode; struct dentry *dentry; - struct inode *dir; - int error; - if ((error = rpc_lookup_parent(path, nd)) != 0) - return ERR_PTR(error); - dir = nd->dentry->d_inode; mutex_lock_nested(&dir->i_mutex, I_MUTEX_PARENT); - dentry = lookup_one_len(nd->last.name, nd->dentry, nd->last.len); + dentry = lookup_one_len(name, parent, len); if (IS_ERR(dentry)) goto out_err; if (dentry->d_inode) { @@ -642,7 +638,20 @@ rpc_lookup_negative(char *path, struct nameidata *nd) return dentry; out_err: mutex_unlock(&dir->i_mutex); - rpc_release_path(nd); + return dentry; +} + +static struct dentry * +rpc_lookup_negative(char *path, struct nameidata *nd) +{ + struct dentry *dentry; + int error; + + if ((error = rpc_lookup_parent(path, nd)) != 0) + return ERR_PTR(error); + dentry = rpc_lookup_create(nd->dentry, nd->last.name, nd->last.len); + if (IS_ERR(dentry)) + rpc_release_path(nd); return dentry; } @@ -701,17 +710,16 @@ rpc_rmdir(struct dentry *dentry) } struct dentry * -rpc_mkpipe(char *path, void *private, struct rpc_pipe_ops *ops, int flags) +rpc_mkpipe(struct dentry *parent, const char *name, void *private, struct rpc_pipe_ops *ops, int flags) { - struct nameidata nd; struct dentry *dentry; struct inode *dir, *inode; struct rpc_inode *rpci; - dentry = rpc_lookup_negative(path, &nd); + dentry = rpc_lookup_create(parent, name, strlen(name)); if (IS_ERR(dentry)) return dentry; - dir = nd.dentry->d_inode; + dir = parent->d_inode; inode = rpc_get_inode(dir->i_sb, S_IFSOCK | S_IRUSR | S_IWUSR); if (!inode) goto err_dput; @@ -726,13 +734,13 @@ rpc_mkpipe(char *path, void *private, struct rpc_pipe_ops *ops, int flags) dget(dentry); out: mutex_unlock(&dir->i_mutex); - rpc_release_path(&nd); return dentry; err_dput: dput(dentry); dentry = ERR_PTR(-ENOMEM); - printk(KERN_WARNING "%s: %s() failed to create pipe %s (errno = %d)\n", - __FILE__, __FUNCTION__, path, -ENOMEM); + printk(KERN_WARNING "%s: %s() failed to create pipe %s/%s (errno = %d)\n", + __FILE__, __FUNCTION__, parent->d_name.name, name, + -ENOMEM); goto out; } -- cgit v1.2.3