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LU-12624 lod: alloc dir stripes by QoS
[fs/lustre-release.git] / lustre / quota / lquota_lib.c
index 5bc2c9b..8bbc58b 100644 (file)
  * GPL HEADER END
  */
 /*
- * Copyright (c) 2012, Intel Corporation.
+ * Copyright (c) 2012, 2017, 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>
@@ -40,7 +36,7 @@
 
 #include "lquota_internal.h"
 
-cfs_mem_cache_t *lqe_kmem;
+struct kmem_cache *lqe_kmem;
 
 struct lu_kmem_descr lquota_caches[] = {
        {
@@ -58,6 +54,20 @@ LU_KEY_INIT_FINI(lquota, struct lquota_thread_info);
 LU_CONTEXT_KEY_DEFINE(lquota, LCT_MD_THREAD | LCT_DT_THREAD | LCT_LOCAL);
 LU_KEY_INIT_GENERIC(lquota);
 
+static inline __u32 qtype2acct_oid(int qtype)
+{
+       switch (qtype) {
+       case USRQUOTA:
+               return ACCT_USER_OID;
+       case GRPQUOTA:
+               return ACCT_GROUP_OID;
+       case PRJQUOTA:
+               return ACCT_PROJECT_OID;
+       }
+
+       return ACCT_GROUP_OID;
+}
+
 /**
  * Look-up accounting object to collect space usage information for user
  * or group.
@@ -73,8 +83,7 @@ struct dt_object *acct_obj_lookup(const struct lu_env *env,
        struct dt_object                *obj = NULL;
        ENTRY;
 
-       lu_local_obj_fid(&qti->qti_fid,
-                        type == USRQUOTA ? ACCT_USER_OID : ACCT_GROUP_OID);
+       lu_local_obj_fid(&qti->qti_fid, qtype2acct_oid(type));
 
        /* lookup the accounting object */
        obj = dt_locate(env, dev, &qti->qti_fid);
@@ -82,7 +91,7 @@ struct dt_object *acct_obj_lookup(const struct lu_env *env,
                RETURN(obj);
 
        if (!dt_object_exists(obj)) {
-               lu_object_put(env, &obj->do_lu);
+               dt_object_put(env, obj);
                RETURN(ERR_PTR(-ENOENT));
        }
 
@@ -95,8 +104,8 @@ struct dt_object *acct_obj_lookup(const struct lu_env *env,
                        CERROR("%s: failed to set up indexing operations for %s"
                               " acct object rc:%d\n",
                               dev->dd_lu_dev.ld_obd->obd_name,
-                              QTYPE_NAME(type), rc);
-                       lu_object_put(env, &obj->do_lu);
+                              qtype_name(type), rc);
+                       dt_object_put(env, obj);
                        RETURN(ERR_PTR(rc));
                }
        }
@@ -108,17 +117,26 @@ struct dt_object *acct_obj_lookup(const struct lu_env *env,
  *
  * \param env - is the environment passed by the caller
  * \param dev - is the dt_device storing the slave index object
+ * \param pool - is the pool type, either LQUOTA_RES_MD or LQUOTA_RES_DT
  * \param type - is the quota type, either USRQUOTA or GRPQUOTA
  */
 static struct dt_object *quota_obj_lookup(const struct lu_env *env,
-                                         struct dt_device *dev, int type)
+                                         struct dt_device *dev, int pool,
+                                         int type)
 {
        struct lquota_thread_info       *qti = lquota_info(env);
        struct dt_object                *obj = NULL;
+       int                              is_md;
        ENTRY;
 
+       is_md = lu_device_is_md(dev->dd_lu_dev.ld_site->ls_top_dev);
+       if ((is_md && pool == LQUOTA_RES_MD) ||
+           (!is_md && pool == LQUOTA_RES_DT))
+               qti->qti_fid.f_oid = qtype2slv_oid(type);
+       else
+               qti->qti_fid.f_oid = pool << 16 | qtype2slv_oid(type);
+
        qti->qti_fid.f_seq = FID_SEQ_QUOTA;
-       qti->qti_fid.f_oid = type == USRQUOTA ? LQUOTA_USR_OID : LQUOTA_GRP_OID;
        qti->qti_fid.f_ver = 0;
 
        /* lookup the quota object */
@@ -127,7 +145,7 @@ static struct dt_object *quota_obj_lookup(const struct lu_env *env,
                RETURN(obj);
 
        if (!dt_object_exists(obj)) {
-               lu_object_put(env, &obj->do_lu);
+               dt_object_put(env, obj);
                RETURN(ERR_PTR(-ENOENT));
        }
 
@@ -141,8 +159,8 @@ static struct dt_object *quota_obj_lookup(const struct lu_env *env,
                        CERROR("%s: failed to set up indexing operations for %s"
                               " slave index object rc:%d\n",
                               dev->dd_lu_dev.ld_obd->obd_name,
-                              QTYPE_NAME(type), rc);
-                       lu_object_put(env, &obj->do_lu);
+                              qtype_name(type), rc);
+                       dt_object_put(env, obj);
                        RETURN(ERR_PTR(rc));
                }
        }
@@ -164,7 +182,7 @@ int lquotactl_slv(const struct lu_env *env, struct dt_device *dev,
 {
        struct lquota_thread_info       *qti = lquota_info(env);
        __u64                            key;
-       struct dt_object                *obj;
+       struct dt_object                *obj, *obj_aux = NULL;
        struct obd_dqblk                *dqblk = &oqctl->qc_dqblk;
        int                              rc;
        ENTRY;
@@ -177,8 +195,7 @@ int lquotactl_slv(const struct lu_env *env, struct dt_device *dev,
                RETURN(-EOPNOTSUPP);
        }
 
-       if (oqctl->qc_type != USRQUOTA && oqctl->qc_type != GRPQUOTA)
-               /* no support for directory quota yet */
+       if (oqctl->qc_type < 0 || oqctl->qc_type >= LL_MAXQUOTAS)
                RETURN(-EOPNOTSUPP);
 
        /* qc_id is a 32-bit field while a key has 64 bits */
@@ -194,7 +211,7 @@ 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);
 
@@ -203,11 +220,15 @@ int lquotactl_slv(const struct lu_env *env, struct dt_device *dev,
        dqblk->dqb_curinodes    = qti->qti_acct_rec.ispace;
        dqblk->dqb_valid        = QIF_USAGE;
 
-       lu_object_put(env, &obj->do_lu);
+       dt_object_put(env, obj);
 
        /* Step 2: collect enforcement information */
 
-       obj = quota_obj_lookup(env, dev, oqctl->qc_type);
+       if (lu_device_is_md(dev->dd_lu_dev.ld_site->ls_top_dev))
+               obj = quota_obj_lookup(env, dev, LQUOTA_RES_MD, oqctl->qc_type);
+       else
+               obj = quota_obj_lookup(env, dev, LQUOTA_RES_DT, oqctl->qc_type);
+
        if (IS_ERR(obj))
                RETURN(0);
        if (obj->do_index_ops == NULL)
@@ -216,13 +237,31 @@ 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);
 
        if (lu_device_is_md(dev->dd_lu_dev.ld_site->ls_top_dev)) {
                dqblk->dqb_ihardlimit = qti->qti_slv_rec.qsr_granted;
                dqblk->dqb_bhardlimit = 0;
+
+               obj_aux = quota_obj_lookup(env, dev, LQUOTA_RES_DT,
+                                          oqctl->qc_type);
+               if (IS_ERR(obj_aux)) {
+                       obj_aux = NULL;
+                       GOTO(out, rc = 0);
+               }
+
+               if (obj_aux->do_index_ops == NULL)
+                       GOTO(out, rc = 0);
+
+               memset(&qti->qti_slv_rec, 0, sizeof(qti->qti_slv_rec));
+               rc = dt_lookup(env, obj_aux, (struct dt_rec *)&qti->qti_slv_rec,
+                              (struct dt_key *)&key);
+               if (rc < 0 && rc != -ENOENT)
+                       GOTO(out, rc = 0);
+
+               dqblk->dqb_bhardlimit = qti->qti_slv_rec.qsr_granted;
        } else {
                dqblk->dqb_ihardlimit = 0;
                dqblk->dqb_bhardlimit = qti->qti_slv_rec.qsr_granted;
@@ -231,112 +270,88 @@ int lquotactl_slv(const struct lu_env *env, struct dt_device *dev,
 
        GOTO(out, rc = 0);
 out:
-       lu_object_put(env, &obj->do_lu);
-        return rc;
+       dt_object_put(env, obj);
+       if (obj_aux != NULL)
+               dt_object_put(env, obj_aux);
+       return rc;
 }
 EXPORT_SYMBOL(lquotactl_slv);
 
+static inline __u8 qtype2lqtype(int qtype)
+{
+       switch (qtype) {
+       case USRQUOTA:
+               return LQUOTA_TYPE_USR;
+       case GRPQUOTA:
+               return LQUOTA_TYPE_GRP;
+       case PRJQUOTA:
+               return LQUOTA_TYPE_PRJ;
+       }
+
+       return LQUOTA_TYPE_GRP;
+}
+
+static inline int lqtype2qtype(int lqtype)
+{
+       switch (lqtype) {
+       case LQUOTA_TYPE_USR:
+               return USRQUOTA;
+       case LQUOTA_TYPE_GRP:
+               return GRPQUOTA;
+       case LQUOTA_TYPE_PRJ:
+               return PRJQUOTA;
+       }
+
+       return GRPQUOTA;
+}
+
 /**
  * Helper routine returning the FID associated with the global index storing
- * quota settings for the storage pool \pool_id, resource type \pool_type and
+ * quota settings for default storage pool, resource type \pool_type and
  * the quota type \quota_type.
  */
-void lquota_generate_fid(struct lu_fid *fid, int pool_id, int pool_type,
-                         int quota_type)
+void lquota_generate_fid(struct lu_fid *fid, int pool_type, int quota_type)
 {
-       __u8     qtype;
-
-       qtype = (quota_type == USRQUOTA) ? LQUOTA_TYPE_USR : LQUOTA_TYPE_GRP;
+       __u8     lqtype = qtype2lqtype(quota_type);
 
        fid->f_seq = FID_SEQ_QUOTA_GLB;
-       fid->f_oid = (qtype << 24) | (pool_type << 16) | (__u16)pool_id;
+       fid->f_oid = (lqtype << 24) | (pool_type << 16);
        fid->f_ver = 0;
 }
 
 /**
- * Helper routine used to extract pool ID, pool type and quota type from a
+ * Helper routine used to extract pool type and quota type from a
  * given FID.
  */
-int lquota_extract_fid(const struct lu_fid *fid, int *pool_id, int *pool_type,
+int lquota_extract_fid(const struct lu_fid *fid, int *pool_type,
                       int *quota_type)
 {
-       unsigned int     tmp;
+       unsigned int lqtype;
        ENTRY;
 
        if (fid->f_seq != FID_SEQ_QUOTA_GLB)
                RETURN(-EINVAL);
 
-       if (pool_id != NULL) {
-               tmp = fid->f_oid & 0xffffU;
-               if (tmp != 0)
-                       /* we only support pool ID 0 for the time being */
-                       RETURN(-ENOTSUPP);
-               *pool_id = tmp;
-       }
-
        if (pool_type != NULL) {
-               tmp = (fid->f_oid >> 16) & 0xffU;
-               if (tmp >= LQUOTA_LAST_RES)
+               lqtype = (fid->f_oid >> 16) & 0xffU;
+               if (lqtype >= LQUOTA_LAST_RES)
                        RETURN(-ENOTSUPP);
 
-               *pool_type = tmp;
+               *pool_type = lqtype;
        }
 
        if (quota_type != NULL) {
-               tmp = fid->f_oid >> 24;
-               if (tmp >= LQUOTA_TYPE_MAX)
+               lqtype = fid->f_oid >> 24;
+               if (lqtype >= LQUOTA_TYPE_MAX)
                        RETURN(-ENOTSUPP);
 
-               *quota_type = (tmp == LQUOTA_TYPE_USR) ? USRQUOTA : GRPQUOTA;
+               *quota_type = lqtype2qtype(lqtype);
        }
 
        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)
-{
-       int     res_type, quota_type, rc;
-
-       rc = lquota_extract_fid(fid, NULL, &res_type, &quota_type);
-       if (rc)
-               return ERR_PTR(rc);
-
-       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
-
-static int __init init_lquota(void)
+static int __init lquota_init(void)
 {
        int     rc;
        ENTRY;
@@ -344,13 +359,6 @@ static int __init init_lquota(void)
        lquota_key_init_generic(&lquota_thread_key, NULL);
        lu_context_key_register(&lquota_thread_key);
 
-#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
-
        rc = lu_kmem_init(lquota_caches);
        if (rc)
                GOTO(out_key, rc);
@@ -374,7 +382,7 @@ out_key:
        return rc;
 }
 
-static void exit_lquota(void)
+static void __exit lquota_exit(void)
 {
        qsd_glb_fini();
        qmt_glb_fini();
@@ -382,8 +390,10 @@ static void exit_lquota(void)
        lu_context_key_degister(&lquota_thread_key);
 }
 
-MODULE_AUTHOR("Intel Corporation <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);