ecryptfs: remove version_str file from sysfs

This file violates the one-value-per-file sysfs rule.

If you all want it added back, please do something like a per-feature
file to show what is present and what isn't.

Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Mike Halcrow <mhalcrow@us.ibm.com>
Cc: Phillip Hellewell <phillip@hellewell.homeip.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index 6ded37b..d984eac 100644 (file)
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -744,51 +744,8 @@ static ssize_t version_show(struct kobject *kobj,
 
 static struct kobj_attribute version_attr = __ATTR_RO(version);
 
-static struct ecryptfs_version_str_map_elem {
-       u32 flag;
-       char *str;
-} ecryptfs_version_str_map[] = {
-       {ECRYPTFS_VERSIONING_PASSPHRASE, "passphrase"},
-       {ECRYPTFS_VERSIONING_PUBKEY, "pubkey"},
-       {ECRYPTFS_VERSIONING_PLAINTEXT_PASSTHROUGH, "plaintext passthrough"},
-       {ECRYPTFS_VERSIONING_POLICY, "policy"},
-       {ECRYPTFS_VERSIONING_XATTR, "metadata in extended attribute"},
-       {ECRYPTFS_VERSIONING_MULTKEY, "multiple keys per file"}
-};
-
-static ssize_t version_str_show(struct kobject *kobj,
-                               struct kobj_attribute *attr, char *buff)
-{
-       int i;
-       int remaining = PAGE_SIZE;
-       int total_written = 0;
-
-       buff[0] = '\0';
-       for (i = 0; i < ARRAY_SIZE(ecryptfs_version_str_map); i++) {
-               int entry_size;
-
-               if (!(ECRYPTFS_VERSIONING_MASK
-                     & ecryptfs_version_str_map[i].flag))
-                       continue;
-               entry_size = strlen(ecryptfs_version_str_map[i].str);
-               if ((entry_size + 2) > remaining)
-                       goto out;
-               memcpy(buff, ecryptfs_version_str_map[i].str, entry_size);
-               buff[entry_size++] = '\n';
-               buff[entry_size] = '\0';
-               buff += entry_size;
-               total_written += entry_size;
-               remaining -= entry_size;
-       }
-out:
-       return total_written;
-}
-
-static struct kobj_attribute version_attr_str = __ATTR_RO(version_str);
-
 static struct attribute *attributes[] = {
        &version_attr.attr,
-       &version_attr_str.attr,
        NULL,
 };