LU-5683 clio: add CIT_DATA_VERSION

[fs/lustre-release.git] / lustre / llite / remote_perm.c

diff --git a/lustre/llite/remote_perm.c b/lustre/llite/remote_perm.c
index 8cc8c65..2789412 100644 (file)
--- a/lustre/llite/remote_perm.c
+++ b/lustre/llite/remote_perm.c
@@ -27,7 +27,7 @@
  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2012, Intel Corporation.
+ * Copyright (c) 2012, 2014, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -46,8 +46,11 @@
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/version.h>
+#include <linux/user_namespace.h>
+#ifdef HAVE_UIDGID_HEADER
+# include <linux/uidgid.h>
+#endif
 
-#include <lustre_lite.h>
 #include <lustre_ha.h>
 #include <lustre_dlm.h>
 #include <lprocfs_status.h>
@@ -64,7 +67,7 @@ static inline struct ll_remote_perm *alloc_ll_remote_perm(void)
 
        OBD_SLAB_ALLOC_PTR_GFP(lrp, ll_remote_perm_cachep, GFP_KERNEL);
        if (lrp)
-               CFS_INIT_HLIST_NODE(&lrp->lrp_list);
+               INIT_HLIST_NODE(&lrp->lrp_list);
        return lrp;
 }
 
@@ -73,14 +76,14 @@ static inline void free_ll_remote_perm(struct ll_remote_perm *lrp)
         if (!lrp)
                 return;
 
-        if (!cfs_hlist_unhashed(&lrp->lrp_list))
-                cfs_hlist_del(&lrp->lrp_list);
+       if (!hlist_unhashed(&lrp->lrp_list))
+               hlist_del(&lrp->lrp_list);
         OBD_SLAB_FREE(lrp, ll_remote_perm_cachep, sizeof(*lrp));
 }
 
-cfs_hlist_head_t *alloc_rmtperm_hash(void)
+static struct hlist_head *alloc_rmtperm_hash(void)
 {
-        cfs_hlist_head_t *hash;
+       struct hlist_head *hash;
         int i;
 
        OBD_SLAB_ALLOC_GFP(hash, ll_rmtperm_hash_cachep,
@@ -90,16 +93,17 @@ cfs_hlist_head_t *alloc_rmtperm_hash(void)
                 return NULL;
 
         for (i = 0; i < REMOTE_PERM_HASHSIZE; i++)
-                CFS_INIT_HLIST_HEAD(hash + i);
+               INIT_HLIST_HEAD(hash + i);
 
         return hash;
 }
 
-void free_rmtperm_hash(cfs_hlist_head_t *hash)
+void free_rmtperm_hash(struct hlist_head *hash)
 {
-        int i;
-        struct ll_remote_perm *lrp;
-        cfs_hlist_node_t *node, *next;
+       int i;
+       struct ll_remote_perm *lrp;
+       struct hlist_node __maybe_unused *node;
+       struct hlist_node *next;
 
         if(!hash)
                 return;
@@ -121,26 +125,27 @@ static inline int remote_perm_hashfunc(uid_t uid)
  * MDT when client get remote permission. */
 static int do_check_remote_perm(struct ll_inode_info *lli, int mask)
 {
-        cfs_hlist_head_t *head;
-        struct ll_remote_perm *lrp;
-        cfs_hlist_node_t *node;
-        int found = 0, rc;
-        ENTRY;
+       struct hlist_head *head;
+       struct ll_remote_perm *lrp;
+       struct hlist_node __maybe_unused *node;
+       int found = 0, rc;
+       ENTRY;
 
        if (!lli->lli_remote_perms)
                RETURN(-ENOENT);
 
-       head = lli->lli_remote_perms + remote_perm_hashfunc(current_uid());
+       head = lli->lli_remote_perms +
+               remote_perm_hashfunc(from_kuid(&init_user_ns, current_uid()));
 
        spin_lock(&lli->lli_lock);
        cfs_hlist_for_each_entry(lrp, node, head, lrp_list) {
-               if (lrp->lrp_uid != current_uid())
+               if (lrp->lrp_uid != from_kuid(&init_user_ns, current_uid()))
                        continue;
-               if (lrp->lrp_gid != current_gid())
+               if (lrp->lrp_gid != from_kgid(&init_user_ns, current_gid()))
                        continue;
-               if (lrp->lrp_fsuid != current_fsuid())
+               if (lrp->lrp_fsuid != from_kuid(&init_user_ns, current_fsuid()))
                        continue;
-               if (lrp->lrp_fsgid != current_fsgid())
+               if (lrp->lrp_fsgid != from_kgid(&init_user_ns, current_fsgid()))
                        continue;
                found = 1;
                break;
@@ -161,11 +166,11 @@ out:
 
 int ll_update_remote_perm(struct inode *inode, struct mdt_remote_perm *perm)
 {
-        struct ll_inode_info *lli = ll_i2info(inode);
-        struct ll_remote_perm *lrp = NULL, *tmp = NULL;
-        cfs_hlist_head_t *head, *perm_hash = NULL;
-        cfs_hlist_node_t *node;
-        ENTRY;
+       struct ll_inode_info *lli = ll_i2info(inode);
+       struct ll_remote_perm *lrp = NULL, *tmp = NULL;
+       struct hlist_head *head, *perm_hash = NULL;
+       struct hlist_node __maybe_unused *node;
+       ENTRY;
 
         LASSERT(ll_i2sbi(inode)->ll_flags & LL_SBI_RMT_CLIENT);
 
@@ -234,7 +239,7 @@ again:
                 lrp->lrp_gid         = perm->rp_gid;
                 lrp->lrp_fsuid       = perm->rp_fsuid;
                 lrp->lrp_fsgid       = perm->rp_fsgid;
-                cfs_hlist_add_head(&lrp->lrp_list, head);
+               hlist_add_head(&lrp->lrp_list, head);
         }
         lli->lli_rmtperm_time = cfs_time_current();
        spin_unlock(&lli->lli_lock);
@@ -308,28 +313,3 @@ int lustre_check_remote_perm(struct inode *inode, int mask)
         ptlrpc_req_finished(req);
         RETURN(rc);
 }
-
-#if 0  /* NB: remote perms can't be freed in ll_mdc_blocking_ast of UPDATE lock,
-        * because it will fail sanity test 48.
-        */
-void ll_free_remote_perms(struct inode *inode)
-{
-        struct ll_inode_info *lli = ll_i2info(inode);
-        cfs_hlist_head_t *hash = lli->lli_remote_perms;
-        struct ll_remote_perm *lrp;
-        cfs_hlist_node_t *node, *next;
-        int i;
-
-        LASSERT(hash);
-
-       spin_lock(&lli->lli_lock);
-
-       for (i = 0; i < REMOTE_PERM_HASHSIZE; i++) {
-               cfs_hlist_for_each_entry_safe(lrp, node, next, hash + i,
-                                             lrp_list)
-                       free_ll_remote_perm(lrp);
-       }
-
-       spin_unlock(&lli->lli_lock);
-}
-#endif