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LU-9019 mdt: use ktime_t for calculating elapsed time
[fs/lustre-release.git] / lustre / quota / lquota_lib.c
index 9d51049..b7eea3d 100644 (file)
  * GPL HEADER END
  */
 /*
- * Copyright (c) 2011, 2012, Intel, Inc.
+ * Copyright (c) 2012, 2015, Intel Corporation.
  * Use is subject to license terms.
  *
  * Author: Johann Lombardi <johann.lombardi@intel.com>
  * Author: Niu    Yawei    <yawei.niu@intel.com>
  */
 
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
-
 #define DEBUG_SUBSYSTEM S_LQUOTA
 
 #include <linux/version.h>
 
 #include "lquota_internal.h"
 
+struct kmem_cache *lqe_kmem;
+
+struct lu_kmem_descr lquota_caches[] = {
+       {
+               .ckd_cache = &lqe_kmem,
+               .ckd_name  = "lqe_kmem",
+               .ckd_size  = sizeof(struct lquota_entry)
+       },
+       {
+               .ckd_cache = NULL
+       }
+};
+
 /* register lquota key */
 LU_KEY_INIT_FINI(lquota, struct lquota_thread_info);
 LU_CONTEXT_KEY_DEFINE(lquota, LCT_MD_THREAD | LCT_DT_THREAD | LCT_LOCAL);
@@ -181,7 +190,7 @@ int lquotactl_slv(const struct lu_env *env, struct dt_device *dev,
 
        /* lookup record storing space accounting information for this ID */
        rc = dt_lookup(env, obj, (struct dt_rec *)&qti->qti_acct_rec,
-                      (struct dt_key *)&key, BYPASS_CAPA);
+                      (struct dt_key *)&key);
        if (rc < 0)
                GOTO(out, rc);
 
@@ -203,7 +212,7 @@ int lquotactl_slv(const struct lu_env *env, struct dt_device *dev,
        memset(&qti->qti_slv_rec, 0, sizeof(qti->qti_slv_rec));
        /* lookup record storing enforcement information for this ID */
        rc = dt_lookup(env, obj, (struct dt_rec *)&qti->qti_slv_rec,
-                      (struct dt_key *)&key, BYPASS_CAPA);
+                      (struct dt_key *)&key);
        if (rc < 0 && rc != -ENOENT)
                GOTO(out, rc = 0);
 
@@ -244,7 +253,7 @@ void lquota_generate_fid(struct lu_fid *fid, int pool_id, int pool_type,
  * Helper routine used to extract pool ID, pool type and quota type from a
  * given FID.
  */
-int lquota_extract_fid(struct lu_fid *fid, int *pool_id, int *pool_type,
+int lquota_extract_fid(const struct lu_fid *fid, int *pool_id, int *pool_type,
                       int *quota_type)
 {
        unsigned int     tmp;
@@ -280,82 +289,49 @@ int lquota_extract_fid(struct lu_fid *fid, int *pool_id, int *pool_type,
        RETURN(0);
 }
 
-#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2,7,50,0)
-/* Index features supported by the global index objects.
- * We actually use one dt_index_features structure for each quota combination
- * of quota type x [inode, block] to allow the ldiskfs OSD to recognize those
- * objects and to handle the conversion from the old administrative quota file
- * format */
-struct dt_index_features dt_quota_iusr_features;
-EXPORT_SYMBOL(dt_quota_iusr_features);
-struct dt_index_features dt_quota_busr_features;
-EXPORT_SYMBOL(dt_quota_busr_features);
-struct dt_index_features dt_quota_igrp_features;
-EXPORT_SYMBOL(dt_quota_igrp_features);
-struct dt_index_features dt_quota_bgrp_features;
-EXPORT_SYMBOL(dt_quota_bgrp_features);
-
-/**
- * Helper routine returning the right index feature structure to be used
- * depending on the FID of the global index.
- */
-const struct dt_index_features *glb_idx_feature(struct lu_fid *fid)
+static int __init lquota_init(void)
 {
-       int     res_type, quota_type, rc;
-
-       rc = lquota_extract_fid(fid, NULL, &res_type, &quota_type);
-       if (rc)
-               return ERR_PTR(rc);
+       int     rc;
+       ENTRY;
 
-       if (quota_type == USRQUOTA) {
-               if (res_type == LQUOTA_RES_MD)
-                       return &dt_quota_iusr_features;
-               else
-                       return &dt_quota_busr_features;
-       } else {
-               if (res_type == LQUOTA_RES_MD)
-                       return &dt_quota_igrp_features;
-               else
-                       return &dt_quota_bgrp_features;
-       }
-}
-#else
-#warning "remove old quota compatibility code"
-#endif
+       lquota_key_init_generic(&lquota_thread_key, NULL);
+       lu_context_key_register(&lquota_thread_key);
 
-static int __init init_lquota(void)
-{
-       int     rc;
+       rc = lu_kmem_init(lquota_caches);
+       if (rc)
+               GOTO(out_key, rc);
 
-       /* call old quota module init function */
-       rc = init_lustre_quota();
+       rc = qmt_glb_init();
        if (rc)
-               return rc;
+               GOTO(out_caches, rc);
 
-       /* new quota initialization */
-       lquota_key_init_generic(&lquota_thread_key, NULL);
-       lu_context_key_register(&lquota_thread_key);
+       rc = qsd_glb_init();
+       if (rc)
+               GOTO(out_qmt, rc);
 
-#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2,7,50,0)
-       dt_quota_iusr_features = dt_quota_busr_features = dt_quota_glb_features;
-       dt_quota_igrp_features = dt_quota_bgrp_features = dt_quota_glb_features;
-#else
-#warning "remove old quota compatibility code"
-#endif
+       RETURN(0);
 
-       return 0;
+out_qmt:
+       qmt_glb_fini();
+out_caches:
+       lu_kmem_fini(lquota_caches);
+out_key:
+       lu_context_key_degister(&lquota_thread_key);
+       return rc;
 }
 
-static void exit_lquota(void)
+static void __exit lquota_exit(void)
 {
-       /* call old quota module exit function */
-       exit_lustre_quota();
-
+       qsd_glb_fini();
+       qmt_glb_fini();
+       lu_kmem_fini(lquota_caches);
        lu_context_key_degister(&lquota_thread_key);
 }
 
-MODULE_AUTHOR("Intel, Inc. <http://www.intel.com/>");
+MODULE_AUTHOR("OpenSFS, Inc. <http://www.lustre.org/>");
 MODULE_DESCRIPTION("Lustre Quota");
+MODULE_VERSION(LUSTRE_VERSION_STRING);
 MODULE_LICENSE("GPL");
 
-cfs_module(lquota, "2.4.0", init_lquota, exit_lquota);
+module_init(lquota_init);
+module_exit(lquota_exit);