X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fobdclass%2Fidmap.c;h=6313ec80f970fcb134aa75dbe32b0ebfbcc80ae8;hb=57649535fee8e92412db6806a30d2fa0752f762f;hp=1cda8501b1e1b21d7ff267406b5b8c8fb0bb9ad4;hpb=0f8dca08a4f68cba82c2c822998ecc309d3b7aaf;p=fs%2Flustre-release.git

diff --git a/lustre/obdclass/idmap.c b/lustre/obdclass/idmap.c
index 1cda850..6313ec8 100644
--- a/lustre/obdclass/idmap.c
+++ b/lustre/obdclass/idmap.c
@@ -1,6 +1,4 @@
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
  * GPL HEADER START
  *
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
@@ -28,6 +26,8 @@
 /*
  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
+ *
+ * Copyright (c) 2012, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -40,72 +40,69 @@
  * Author: Fan Yong <fanyong@clusterfs.com>
  */
 
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
-
 #define DEBUG_SUBSYSTEM S_SEC
 
 #include <lustre_idmap.h>
+#include <md_object.h>
 #include <obd_support.h>
 
 #define lustre_get_group_info(group_info) do {             \
-        cfs_atomic_inc(&(group_info)->usage);              \
+	atomic_inc(&(group_info)->usage);              \
 } while (0)
 
 #define lustre_put_group_info(group_info) do {             \
-        if (cfs_atomic_dec_and_test(&(group_info)->usage)) \
-                cfs_groups_free(group_info);               \
+	if (atomic_dec_and_test(&(group_info)->usage)) \
+		groups_free(group_info);               	   \
 } while (0)
 
 /*
  * groups_search() is copied from linux kernel!
  * A simple bsearch.
  */
-static int lustre_groups_search(cfs_group_info_t *group_info,
-                                gid_t grp)
+static int lustre_groups_search(struct group_info *group_info,
+				gid_t grp)
 {
-        int left, right;
-
-        if (!group_info)
-                return 0;
-
-        left = 0;
-        right = group_info->ngroups;
-        while (left < right) {
-                int mid = (left + right) / 2;
-                int cmp = grp - CFS_GROUP_AT(group_info, mid);
-
-                if (cmp > 0)
-                        left = mid + 1;
-                else if (cmp < 0)
-                        right = mid;
-                else
-                        return 1;
-        }
-        return 0;
+	int left, right;
+
+	if (!group_info)
+		return 0;
+
+	left = 0;
+	right = group_info->ngroups;
+	while (left < right) {
+		int mid = (left + right) / 2;
+		int cmp = grp - CFS_GROUP_AT(group_info, mid);
+
+		if (cmp > 0)
+			left = mid + 1;
+		else if (cmp < 0)
+			right = mid;
+		else
+			return 1;
+	}
+	return 0;
 }
 
-void lustre_groups_from_list(cfs_group_info_t *ginfo, gid_t *glist)
+void lustre_groups_from_list(struct group_info *ginfo, gid_t *glist)
 {
-        int i;
-        int count = ginfo->ngroups;
-
-        /* fill group_info from gid array */
-        for (i = 0; i < ginfo->nblocks && count > 0; i++) {
-                int cp_count = min(CFS_NGROUPS_PER_BLOCK, count);
-                int off = i * CFS_NGROUPS_PER_BLOCK;
-                int len = cp_count * sizeof(*glist);
-
-                memcpy(ginfo->blocks[i], glist + off, len);
-                count -= cp_count;
-        }
+	int i;
+	int count = ginfo->ngroups;
+
+	/* fill group_info from gid array */
+	for (i = 0; i < ginfo->nblocks && count > 0; i++) {
+		int cp_count = min(CFS_NGROUPS_PER_BLOCK, count);
+		int off = i * CFS_NGROUPS_PER_BLOCK;
+		int len = cp_count * sizeof(*glist);
+
+		memcpy(ginfo->blocks[i], glist + off, len);
+		count -= cp_count;
+	}
 }
 EXPORT_SYMBOL(lustre_groups_from_list);
 
 /* groups_sort() is copied from linux kernel! */
 /* a simple shell-metzner sort */
-void lustre_groups_sort(cfs_group_info_t *group_info)
+void lustre_groups_sort(struct group_info *group_info)
 {
         int base, max, stride;
         int gidsetsize = group_info->ngroups;
@@ -135,32 +132,32 @@ void lustre_groups_sort(cfs_group_info_t *group_info)
 }
 EXPORT_SYMBOL(lustre_groups_sort);
 
-int lustre_in_group_p(struct md_ucred *mu, gid_t grp)
+int lustre_in_group_p(struct lu_ucred *mu, gid_t grp)
 {
-        int rc = 1;
-
-        if (grp != mu->mu_fsgid) {
-                cfs_group_info_t *group_info = NULL;
-
-                if (mu->mu_ginfo || !mu->mu_identity ||
-                    mu->mu_valid == UCRED_OLD)
-                        if (grp == mu->mu_suppgids[0] ||
-                            grp == mu->mu_suppgids[1])
-                                return 1;
-
-                if (mu->mu_ginfo)
-                        group_info = mu->mu_ginfo;
-                else if (mu->mu_identity)
-                        group_info = mu->mu_identity->mi_ginfo;
-
-                if (!group_info)
-                        return 0;
-
-                lustre_get_group_info(group_info);
-                rc = lustre_groups_search(group_info, grp);
-                lustre_put_group_info(group_info);
-        }
-        return rc;
+	int rc = 1;
+
+	if (grp != mu->uc_fsgid) {
+		struct group_info *group_info = NULL;
+
+		if (mu->uc_ginfo || !mu->uc_identity ||
+		    mu->uc_valid == UCRED_OLD)
+			if (grp == mu->uc_suppgids[0] ||
+			    grp == mu->uc_suppgids[1])
+				return 1;
+
+		if (mu->uc_ginfo)
+			group_info = mu->uc_ginfo;
+		else if (mu->uc_identity)
+			group_info = mu->uc_identity->mi_ginfo;
+
+		if (!group_info)
+			return 0;
+
+		lustre_get_group_info(group_info);
+		rc = lustre_groups_search(group_info, grp);
+		lustre_put_group_info(group_info);
+	}
+	return rc;
 }
 EXPORT_SYMBOL(lustre_in_group_p);
 
@@ -305,22 +302,22 @@ static __u32 idmap_lookup_gid(cfs_list_t *hash, int reverse, __u32 gid)
 }
 
 int lustre_idmap_add(struct lustre_idmap_table *t,
-                     uid_t ruid, uid_t luid,
-                     gid_t rgid, gid_t lgid)
+		     uid_t ruid, uid_t luid,
+		     gid_t rgid, gid_t lgid)
 {
-        struct lustre_idmap_entry *e0, *e1;
+	struct lustre_idmap_entry *e0, *e1;
 
-        LASSERT(t);
+	LASSERT(t);
 
-        cfs_spin_lock(&t->lit_lock);
-        e0 = idmap_search_entry(t, ruid, luid, rgid, lgid);
-        cfs_spin_unlock(&t->lit_lock);
-        if (!e0) {
-                e0 = idmap_entry_alloc(ruid, luid, rgid, lgid);
-                if (!e0)
-                        return -ENOMEM;
+	spin_lock(&t->lit_lock);
+	e0 = idmap_search_entry(t, ruid, luid, rgid, lgid);
+	spin_unlock(&t->lit_lock);
+	if (!e0) {
+		e0 = idmap_entry_alloc(ruid, luid, rgid, lgid);
+		if (!e0)
+			return -ENOMEM;
 
-                cfs_spin_lock(&t->lit_lock);
+		spin_lock(&t->lit_lock);
                 e1 = idmap_search_entry(t, ruid, luid, rgid, lgid);
                 if (e1 == NULL) {
                         cfs_list_add_tail(&e0->lie_rmt_uid_hash,
@@ -336,7 +333,7 @@ int lustre_idmap_add(struct lustre_idmap_table *t,
                                           &t->lit_idmaps[LCL_GIDMAP_IDX]
                                           [lustre_idmap_hashfunc(lgid)]);
                 }
-                cfs_spin_unlock(&t->lit_lock);
+		spin_unlock(&t->lit_lock);
                 if (e1 != NULL) {
                         idmap_entry_free(e0);
                         if (IS_ERR(e1))
@@ -354,85 +351,85 @@ int lustre_idmap_del(struct lustre_idmap_table *t,
                     uid_t ruid, uid_t luid,
                     gid_t rgid, gid_t lgid)
 {
-        struct lustre_idmap_entry *e;
-        int rc = 0;
+	struct lustre_idmap_entry *e;
+	int rc = 0;
 
-        LASSERT(t);
+	LASSERT(t);
 
-        cfs_spin_lock(&t->lit_lock);
-        e = idmap_search_entry(t, ruid, luid, rgid, lgid);
-        if (IS_ERR(e))
-                rc = PTR_ERR(e);
-        else if (e)
-                idmap_entry_free(e);
-        cfs_spin_unlock(&t->lit_lock);
+	spin_lock(&t->lit_lock);
+	e = idmap_search_entry(t, ruid, luid, rgid, lgid);
+	if (IS_ERR(e))
+		rc = PTR_ERR(e);
+	else if (e)
+		idmap_entry_free(e);
+	spin_unlock(&t->lit_lock);
 
-        return rc;
+	return rc;
 }
 EXPORT_SYMBOL(lustre_idmap_del);
 
-int lustre_idmap_lookup_uid(struct md_ucred *mu,
-                            struct lustre_idmap_table *t,
-                            int reverse, uid_t uid)
+int lustre_idmap_lookup_uid(struct lu_ucred *mu,
+			    struct lustre_idmap_table *t,
+			    int reverse, uid_t uid)
 {
-        cfs_list_t *hash;
-
-        if (mu && (mu->mu_valid == UCRED_OLD || mu->mu_valid == UCRED_NEW)) {
-                if (!reverse) {
-                        if (uid == mu->mu_o_uid)
-                                return mu->mu_uid;
-                        else if (uid == mu->mu_o_fsuid)
-                                return mu->mu_fsuid;
-                } else {
-                        if (uid == mu->mu_uid)
-                                return mu->mu_o_uid;
-                        else if (uid == mu->mu_fsuid)
-                                return mu->mu_o_fsuid;
-                }
-        }
+	cfs_list_t *hash;
+
+	if (mu && (mu->uc_valid == UCRED_OLD || mu->uc_valid == UCRED_NEW)) {
+		if (!reverse) {
+			if (uid == mu->uc_o_uid)
+				return mu->uc_uid;
+			else if (uid == mu->uc_o_fsuid)
+				return mu->uc_fsuid;
+		} else {
+			if (uid == mu->uc_uid)
+				return mu->uc_o_uid;
+			else if (uid == mu->uc_fsuid)
+				return mu->uc_o_fsuid;
+		}
+	}
 
         if (t == NULL)
                 return CFS_IDMAP_NOTFOUND;
 
         hash = t->lit_idmaps[reverse ? LCL_UIDMAP_IDX : RMT_UIDMAP_IDX];
 
-        cfs_spin_lock(&t->lit_lock);
-        uid = idmap_lookup_uid(hash, reverse, uid);
-        cfs_spin_unlock(&t->lit_lock);
+	spin_lock(&t->lit_lock);
+	uid = idmap_lookup_uid(hash, reverse, uid);
+	spin_unlock(&t->lit_lock);
 
-        return uid;
+	return uid;
 }
 EXPORT_SYMBOL(lustre_idmap_lookup_uid);
 
-int lustre_idmap_lookup_gid(struct md_ucred *mu, struct lustre_idmap_table *t,
-                            int reverse, gid_t gid)
+int lustre_idmap_lookup_gid(struct lu_ucred *mu, struct lustre_idmap_table *t,
+			    int reverse, gid_t gid)
 {
-        cfs_list_t *hash;
-
-        if (mu && (mu->mu_valid == UCRED_OLD || mu->mu_valid == UCRED_NEW)) {
-                if (!reverse) {
-                        if (gid == mu->mu_o_gid)
-                                return mu->mu_gid;
-                        else if (gid == mu->mu_o_fsgid)
-                                return mu->mu_fsgid;
-                } else {
-                        if (gid == mu->mu_gid)
-                                return mu->mu_o_gid;
-                        else if (gid == mu->mu_fsgid)
-                                return mu->mu_o_fsgid;
-                }
-        }
+	cfs_list_t *hash;
+
+	if (mu && (mu->uc_valid == UCRED_OLD || mu->uc_valid == UCRED_NEW)) {
+		if (!reverse) {
+			if (gid == mu->uc_o_gid)
+				return mu->uc_gid;
+			else if (gid == mu->uc_o_fsgid)
+				return mu->uc_fsgid;
+		} else {
+			if (gid == mu->uc_gid)
+				return mu->uc_o_gid;
+			else if (gid == mu->uc_fsgid)
+				return mu->uc_o_fsgid;
+		}
+	}
 
         if (t == NULL)
                 return CFS_IDMAP_NOTFOUND;
 
         hash = t->lit_idmaps[reverse ? LCL_GIDMAP_IDX : RMT_GIDMAP_IDX];
 
-        cfs_spin_lock(&t->lit_lock);
-        gid = idmap_lookup_gid(hash, reverse, gid);
-        cfs_spin_unlock(&t->lit_lock);
+	spin_lock(&t->lit_lock);
+	gid = idmap_lookup_gid(hash, reverse, gid);
+	spin_unlock(&t->lit_lock);
 
-        return gid;
+	return gid;
 }
 EXPORT_SYMBOL(lustre_idmap_lookup_gid);
 
@@ -445,12 +442,12 @@ struct lustre_idmap_table *lustre_idmap_init(void)
         if(unlikely(t == NULL))
                 return (ERR_PTR(-ENOMEM));
 
-        cfs_spin_lock_init(&t->lit_lock);
-        for (i = 0; i < ARRAY_SIZE(t->lit_idmaps); i++)
-                for (j = 0; j < ARRAY_SIZE(t->lit_idmaps[i]); j++)
-                        CFS_INIT_LIST_HEAD(&t->lit_idmaps[i][j]);
+	spin_lock_init(&t->lit_lock);
+	for (i = 0; i < ARRAY_SIZE(t->lit_idmaps); i++)
+		for (j = 0; j < ARRAY_SIZE(t->lit_idmaps[i]); j++)
+			CFS_INIT_LIST_HEAD(&t->lit_idmaps[i][j]);
 
-        return t;
+	return t;
 }
 EXPORT_SYMBOL(lustre_idmap_init);
 
@@ -462,16 +459,16 @@ void lustre_idmap_fini(struct lustre_idmap_table *t)
         LASSERT(t);
 
         list = t->lit_idmaps[RMT_UIDMAP_IDX];
-        cfs_spin_lock(&t->lit_lock);
-        for (i = 0; i < CFS_IDMAP_HASHSIZE; i++)
-                while (!cfs_list_empty(&list[i])) {
-                        e = cfs_list_entry(list[i].next,
-                                           struct lustre_idmap_entry,
-                                           lie_rmt_uid_hash);
-                        idmap_entry_free(e);
-                }
-        cfs_spin_unlock(&t->lit_lock);
-
-        OBD_FREE_PTR(t);
+	spin_lock(&t->lit_lock);
+	for (i = 0; i < CFS_IDMAP_HASHSIZE; i++)
+		while (!cfs_list_empty(&list[i])) {
+			e = cfs_list_entry(list[i].next,
+					   struct lustre_idmap_entry,
+					   lie_rmt_uid_hash);
+			idmap_entry_free(e);
+		}
+	spin_unlock(&t->lit_lock);
+
+	OBD_FREE_PTR(t);
 }
 EXPORT_SYMBOL(lustre_idmap_fini);