summaryrefslogtreecommitdiff
path: root/ANDROID_3.4.5/fs/xattr_acl.c
diff options
context:
space:
mode:
authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/fs/xattr_acl.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
downloadFOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz
FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2
FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/fs/xattr_acl.c')
-rw-r--r--ANDROID_3.4.5/fs/xattr_acl.c98
1 files changed, 0 insertions, 98 deletions
diff --git a/ANDROID_3.4.5/fs/xattr_acl.c b/ANDROID_3.4.5/fs/xattr_acl.c
deleted file mode 100644
index 69d06b07..00000000
--- a/ANDROID_3.4.5/fs/xattr_acl.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
- * linux/fs/xattr_acl.c
- *
- * Almost all from linux/fs/ext2/acl.c:
- * Copyright (C) 2001 by Andreas Gruenbacher, <a.gruenbacher@computer.org>
- */
-
-#include <linux/export.h>
-#include <linux/fs.h>
-#include <linux/posix_acl_xattr.h>
-#include <linux/gfp.h>
-
-
-/*
- * Convert from extended attribute to in-memory representation.
- */
-struct posix_acl *
-posix_acl_from_xattr(const void *value, size_t size)
-{
- posix_acl_xattr_header *header = (posix_acl_xattr_header *)value;
- posix_acl_xattr_entry *entry = (posix_acl_xattr_entry *)(header+1), *end;
- int count;
- struct posix_acl *acl;
- struct posix_acl_entry *acl_e;
-
- if (!value)
- return NULL;
- if (size < sizeof(posix_acl_xattr_header))
- return ERR_PTR(-EINVAL);
- if (header->a_version != cpu_to_le32(POSIX_ACL_XATTR_VERSION))
- return ERR_PTR(-EOPNOTSUPP);
-
- count = posix_acl_xattr_count(size);
- if (count < 0)
- return ERR_PTR(-EINVAL);
- if (count == 0)
- return NULL;
-
- acl = posix_acl_alloc(count, GFP_NOFS);
- if (!acl)
- return ERR_PTR(-ENOMEM);
- acl_e = acl->a_entries;
-
- for (end = entry + count; entry != end; acl_e++, entry++) {
- acl_e->e_tag = le16_to_cpu(entry->e_tag);
- acl_e->e_perm = le16_to_cpu(entry->e_perm);
-
- switch(acl_e->e_tag) {
- case ACL_USER_OBJ:
- case ACL_GROUP_OBJ:
- case ACL_MASK:
- case ACL_OTHER:
- acl_e->e_id = ACL_UNDEFINED_ID;
- break;
-
- case ACL_USER:
- case ACL_GROUP:
- acl_e->e_id = le32_to_cpu(entry->e_id);
- break;
-
- default:
- goto fail;
- }
- }
- return acl;
-
-fail:
- posix_acl_release(acl);
- return ERR_PTR(-EINVAL);
-}
-EXPORT_SYMBOL (posix_acl_from_xattr);
-
-/*
- * Convert from in-memory to extended attribute representation.
- */
-int
-posix_acl_to_xattr(const struct posix_acl *acl, void *buffer, size_t size)
-{
- posix_acl_xattr_header *ext_acl = (posix_acl_xattr_header *)buffer;
- posix_acl_xattr_entry *ext_entry = ext_acl->a_entries;
- int real_size, n;
-
- real_size = posix_acl_xattr_size(acl->a_count);
- if (!buffer)
- return real_size;
- if (real_size > size)
- return -ERANGE;
-
- ext_acl->a_version = cpu_to_le32(POSIX_ACL_XATTR_VERSION);
-
- for (n=0; n < acl->a_count; n++, ext_entry++) {
- ext_entry->e_tag = cpu_to_le16(acl->a_entries[n].e_tag);
- ext_entry->e_perm = cpu_to_le16(acl->a_entries[n].e_perm);
- ext_entry->e_id = cpu_to_le32(acl->a_entries[n].e_id);
- }
- return real_size;
-}
-EXPORT_SYMBOL (posix_acl_to_xattr);