Smack: create a sysfs mount point for smackfs (e9307237) · Commits · 戴 / test

There are a number of "conventions" for where to put LSM filesystems. Smack adheres to none of them. Create a mount point at /sys/fs/smackfs for mounting smackfs so that Smack can be conventional. Targeted for git://git.gitorious.org/smack-next/kernel.git Signed-off-by:

Casey Schaufler <casey@schaufler-ca.com>

security/smack/smackfs.c

+17 −0

Original line number	Diff line number	Diff line
		@@ -2063,6 +2063,19 @@ static const struct file_operations smk_revoke_subj_ops = {
		.llseek = generic_file_llseek,
		};

		static struct kset *smackfs_kset;
		/**
		* smk_init_sysfs - initialize /sys/fs/smackfs
		*
		*/
		static int smk_init_sysfs(void)
		{
		smackfs_kset = kset_create_and_add("smackfs", NULL, fs_kobj);
		if (!smackfs_kset)
		return -ENOMEM;
		return 0;
		}

		/**
		* smk_fill_super - fill the /smackfs superblock
		* @sb: the empty superblock
		@@ -2183,6 +2196,10 @@ static int __init init_smk_fs(void)
		if (!security_module_enable(&smack_ops))
		return 0;

		err = smk_init_sysfs();
		if (err)
		printk(KERN_ERR "smackfs: sysfs mountpoint problem.\n");

		err = register_filesystem(&smk_fs_type);
		if (!err) {
		smackfs_mount = kern_mount(&smk_fs_type);

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