diff options
Diffstat (limited to 'fs/ecryptfs/main.c')
-rw-r--r-- | fs/ecryptfs/main.c | 42 |
1 files changed, 17 insertions, 25 deletions
diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c index 8ebe9a5d1d9..64d2ba980df 100644 --- a/fs/ecryptfs/main.c +++ b/fs/ecryptfs/main.c @@ -30,7 +30,6 @@ #include <linux/namei.h> #include <linux/skbuff.h> #include <linux/crypto.h> -#include <linux/netlink.h> #include <linux/mount.h> #include <linux/pagemap.h> #include <linux/key.h> @@ -49,8 +48,7 @@ MODULE_PARM_DESC(ecryptfs_verbosity, "0, which is Quiet)"); /** - * Module parameter that defines the number of netlink message buffer - * elements + * Module parameter that defines the number of message buffer elements */ unsigned int ecryptfs_message_buf_len = ECRYPTFS_DEFAULT_MSG_CTX_ELEMS; @@ -60,9 +58,9 @@ MODULE_PARM_DESC(ecryptfs_message_buf_len, /** * Module parameter that defines the maximum guaranteed amount of time to wait - * for a response through netlink. The actual sleep time will be, more than + * for a response from ecryptfsd. The actual sleep time will be, more than * likely, a small amount greater than this specified value, but only less if - * the netlink message successfully arrives. + * the message successfully arrives. */ signed long ecryptfs_message_wait_timeout = ECRYPTFS_MAX_MSG_CTX_TTL / HZ; @@ -83,8 +81,6 @@ module_param(ecryptfs_number_of_users, uint, 0); MODULE_PARM_DESC(ecryptfs_number_of_users, "An estimate of the number of " "concurrent users of eCryptfs"); -unsigned int ecryptfs_transport = ECRYPTFS_DEFAULT_TRANSPORT; - void __ecryptfs_printk(const char *fmt, ...) { va_list args; @@ -475,31 +471,26 @@ out: */ static int ecryptfs_read_super(struct super_block *sb, const char *dev_name) { + struct path path; int rc; - struct nameidata nd; - struct dentry *lower_root; - struct vfsmount *lower_mnt; - memset(&nd, 0, sizeof(struct nameidata)); - rc = path_lookup(dev_name, LOOKUP_FOLLOW | LOOKUP_DIRECTORY, &nd); + rc = kern_path(dev_name, LOOKUP_FOLLOW | LOOKUP_DIRECTORY, &path); if (rc) { ecryptfs_printk(KERN_WARNING, "path_lookup() failed\n"); goto out; } - lower_root = nd.path.dentry; - lower_mnt = nd.path.mnt; - ecryptfs_set_superblock_lower(sb, lower_root->d_sb); - sb->s_maxbytes = lower_root->d_sb->s_maxbytes; - sb->s_blocksize = lower_root->d_sb->s_blocksize; - ecryptfs_set_dentry_lower(sb->s_root, lower_root); - ecryptfs_set_dentry_lower_mnt(sb->s_root, lower_mnt); - rc = ecryptfs_interpose(lower_root, sb->s_root, sb, 0); + ecryptfs_set_superblock_lower(sb, path.dentry->d_sb); + sb->s_maxbytes = path.dentry->d_sb->s_maxbytes; + sb->s_blocksize = path.dentry->d_sb->s_blocksize; + ecryptfs_set_dentry_lower(sb->s_root, path.dentry); + ecryptfs_set_dentry_lower_mnt(sb->s_root, path.mnt); + rc = ecryptfs_interpose(path.dentry, sb->s_root, sb, 0); if (rc) goto out_free; rc = 0; goto out; out_free: - path_put(&nd.path); + path_put(&path); out: return rc; } @@ -779,10 +770,11 @@ static int __init ecryptfs_init(void) "rc = [%d]\n", __func__, rc); goto out_do_sysfs_unregistration; } - rc = ecryptfs_init_messaging(ecryptfs_transport); + rc = ecryptfs_init_messaging(); if (rc) { printk(KERN_ERR "Failure occured while attempting to " - "initialize the eCryptfs netlink socket\n"); + "initialize the communications channel to " + "ecryptfsd\n"); goto out_destroy_kthread; } rc = ecryptfs_init_crypto(); @@ -797,7 +789,7 @@ static int __init ecryptfs_init(void) goto out; out_release_messaging: - ecryptfs_release_messaging(ecryptfs_transport); + ecryptfs_release_messaging(); out_destroy_kthread: ecryptfs_destroy_kthread(); out_do_sysfs_unregistration: @@ -818,7 +810,7 @@ static void __exit ecryptfs_exit(void) if (rc) printk(KERN_ERR "Failure whilst attempting to destroy crypto; " "rc = [%d]\n", rc); - ecryptfs_release_messaging(ecryptfs_transport); + ecryptfs_release_messaging(); ecryptfs_destroy_kthread(); do_sysfs_unregistration(); unregister_filesystem(&ecryptfs_fs_type); |