* GPL HEADER END
*/
/*
- * Copyright (c) 2012, 2013, Intel Corporation.
+ * 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>
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.
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);
RETURN(obj);
if (!dt_object_exists(obj)) {
- lu_object_put(env, &obj->do_lu);
+ dt_object_put(env, obj);
RETURN(ERR_PTR(-ENOENT));
}
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));
}
}
ENTRY;
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_oid = qtype2slv_oid(type);
qti->qti_fid.f_ver = 0;
/* lookup the quota object */
RETURN(obj);
if (!dt_object_exists(obj)) {
- lu_object_put(env, &obj->do_lu);
+ dt_object_put(env, obj);
RETURN(ERR_PTR(-ENOENT));
}
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));
}
}
RETURN(-EOPNOTSUPP);
}
- if (oqctl->qc_type != USRQUOTA && oqctl->qc_type != GRPQUOTA)
+ if (oqctl->qc_type < 0 || oqctl->qc_type >= MAXQUOTAS)
/* no support for directory quota yet */
RETURN(-EOPNOTSUPP);
/* 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);
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 */
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);
GOTO(out, rc = 0);
out:
- lu_object_put(env, &obj->do_lu);
- return rc;
+ dt_object_put(env, obj);
+ 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
* the quota type \quota_type.
*/
void lquota_generate_fid(struct lu_fid *fid, int pool_id, int pool_type,
- int quota_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) | (__u16)pool_id;
fid->f_ver = 0;
}
int lquota_extract_fid(const struct lu_fid *fid, int *pool_id, 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)
+ lqtype = fid->f_oid & 0xffffU;
+ if (lqtype != 0)
/* we only support pool ID 0 for the time being */
RETURN(-ENOTSUPP);
- *pool_id = tmp;
+ *pool_id = lqtype;
}
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, "a_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;
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);
return rc;
}
-static void exit_lquota(void)
+static void __exit lquota_exit(void)
{
qsd_glb_fini();
qmt_glb_fini();
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);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff