Updated version for the biweekly build - 2.0 build 19.

[fs/lustre-release.git] / lustre / mdt / mdt_xattr.c

diff --git a/lustre/mdt/mdt_xattr.c b/lustre/mdt/mdt_xattr.c
index 5a93bfe..ae04caf 100644 (file)
--- a/lustre/mdt/mdt_xattr.c
+++ b/lustre/mdt/mdt_xattr.c
@@ -48,13 +48,7 @@
 #endif
 #define DEBUG_SUBSYSTEM S_MDS
 
-/* prerequisite for linux/xattr.h */
-#include <linux/types.h>
-/* prerequisite for linux/xattr.h */
-#include <linux/fs.h>
-/* XATTR_{REPLACE,CREATE} */
-#include <linux/xattr.h>
-
+#include <lustre_acl.h>
 #include "mdt_internal.h"
 
 
@@ -68,7 +62,7 @@ static int mdt_getxattr_pack_reply(struct mdt_thread_info * info)
         static const char       user_string[] = "user.";
         int                     size, rc;
         ENTRY;
-        
+
         if (OBD_FAIL_CHECK(OBD_FAIL_MDS_GETXATTR_PACK))
                 RETURN(-ENOMEM);
 
@@ -81,7 +75,7 @@ static int mdt_getxattr_pack_reply(struct mdt_thread_info * info)
                 if (!(req->rq_export->exp_connect_flags & OBD_CONNECT_XATTR) &&
                     !strncmp(xattr_name, user_string, sizeof(user_string) - 1))
                         RETURN(-EOPNOTSUPP);
-                
+
                 size = mo_xattr_get(info->mti_env,
                                     mdt_object_child(info->mti_object),
                                     &LU_BUF_NULL, xattr_name);
@@ -280,8 +274,6 @@ int mdt_reint_setxattr(struct mdt_thread_info *info,
 {
         struct ptlrpc_request   *req = mdt_info_req(info);
         struct md_ucred         *uc  = mdt_ucred(info);
-        const char               user_string[] = "user.";
-        const char               trust_string[] = "trusted.";
         struct mdt_lock_handle  *lh;
         struct req_capsule      *pill = info->mti_pill;
         const struct lu_env     *env  = info->mti_env;
@@ -330,14 +322,24 @@ int mdt_reint_setxattr(struct mdt_thread_info *info,
         if (!xattr_name)
                 GOTO(out, rc = err_serious(-EFAULT));
 
-        if (strncmp(xattr_name, trust_string, sizeof(trust_string) - 1) == 0) {
-                if (strcmp(xattr_name + 8, XATTR_NAME_LOV) == 0)
+        if (strncmp(xattr_name, XATTR_USER_PREFIX,
+                    sizeof(XATTR_USER_PREFIX) - 1) == 0) {
+                if (!(req->rq_export->exp_connect_flags & OBD_CONNECT_XATTR))
+                        GOTO(out, rc = -EOPNOTSUPP);
+                if (strcmp(xattr_name, XATTR_NAME_LOV) == 0)
                         GOTO(out, rc = -EACCES);
-        }
+                if (strcmp(xattr_name, XATTR_NAME_LMA) == 0)
+                        GOTO(out, rc = 0);
+                if (strcmp(xattr_name, XATTR_NAME_LINK) == 0)
+                        GOTO(out, rc = 0);
+        } else if ((valid & OBD_MD_FLXATTR) &&
+                   (strncmp(xattr_name, XATTR_NAME_ACL_ACCESS,
+                             sizeof(XATTR_NAME_ACL_ACCESS) - 1) == 0)) {
+                /* currently lustre limit acl access size */
+                xattr_len = req_capsule_get_size(pill, &RMF_EADATA, RCL_CLIENT);
 
-        if (!(req->rq_export->exp_connect_flags & OBD_CONNECT_XATTR) &&
-            (strncmp(xattr_name, user_string, sizeof(user_string) - 1) == 0)) {
-                GOTO(out, rc = -EOPNOTSUPP);
+                if (xattr_len > LUSTRE_POSIX_ACL_MAX_SIZE)
+                        GOTO(out, -ERANGE);
         }
 
         lockpart = MDS_INODELOCK_UPDATE;
@@ -350,6 +352,11 @@ int mdt_reint_setxattr(struct mdt_thread_info *info,
         if (IS_ERR(obj))
                 GOTO(out, rc =  PTR_ERR(obj));
 
+        info->mti_mos[0] = obj;
+        rc = mdt_version_get_check(info, 0);
+        if (rc)
+                GOTO(out_unlock, rc);
+
         if (unlikely(!(valid & OBD_MD_FLCTIME))) {
                 CWARN("client miss to set OBD_MD_FLCTIME when "
                       "setxattr: [object "DFID"] [valid %llu]\n",