fs/9p: Implement POSIX ACL permission checking function
The ACL value is fetched as a part of inode initialization
from the server and the permission checking function use the
cached value of the ACL
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index c3d200d..1249b83 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -36,6 +36,7 @@
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/xattr.h>
+#include <linux/posix_acl.h>
#include <net/9p/9p.h>
#include <net/9p/client.h>
@@ -44,6 +45,7 @@
#include "fid.h"
#include "cache.h"
#include "xattr.h"
+#include "acl.h"
static const struct inode_operations v9fs_dir_inode_operations;
static const struct inode_operations v9fs_dir_inode_operations_dotu;
@@ -500,6 +502,11 @@
v9fs_vcookie_set_qid(ret, &st->qid);
v9fs_cache_inode_get_cookie(ret);
#endif
+ err = v9fs_get_acl(ret, fid);
+ if (err) {
+ iput(ret);
+ goto error;
+ }
kfree(st);
return ret;
error:
@@ -1959,7 +1966,7 @@
.getxattr = generic_getxattr,
.removexattr = generic_removexattr,
.listxattr = v9fs_listxattr,
-
+ .check_acl = v9fs_check_acl,
};
static const struct inode_operations v9fs_dir_inode_operations = {
@@ -1986,6 +1993,7 @@
.getxattr = generic_getxattr,
.removexattr = generic_removexattr,
.listxattr = v9fs_listxattr,
+ .check_acl = v9fs_check_acl,
};
static const struct inode_operations v9fs_symlink_inode_operations = {