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Diffstat (limited to 'fs/ecryptfs/main.c')
-rw-r--r--fs/ecryptfs/main.c42
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);