-/* -*- 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.
*/
#define DEBUG_SUBSYSTEM S_CLASS
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#include <obd.h>
#include <dt_object.h>
/* fid_be_to_cpu() */
#include <lustre_fid.h>
+#include <lquota.h>
+
struct dt_find_hint {
struct lu_fid *dfh_fid;
struct dt_device *dfh_dt;
}
EXPORT_SYMBOL(dt_store_open);
+struct dt_object *dt_find_or_create(const struct lu_env *env,
+ struct dt_device *dt,
+ const struct lu_fid *fid,
+ struct dt_object_format *dof,
+ struct lu_attr *at)
+{
+ struct dt_object *dto;
+ struct thandle *th;
+ int rc;
+
+ ENTRY;
+
+ dto = dt_locate(env, dt, fid);
+ if (IS_ERR(dto))
+ RETURN(dto);
+
+ LASSERT(dto != NULL);
+ if (dt_object_exists(dto))
+ RETURN(dto);
+
+ th = dt_trans_create(env, dt);
+ if (IS_ERR(th))
+ GOTO(out, rc = PTR_ERR(th));
+
+ rc = dt_declare_create(env, dto, at, NULL, dof, th);
+ if (rc)
+ GOTO(trans_stop, rc);
+
+ rc = dt_trans_start_local(env, dt, th);
+ if (rc)
+ GOTO(trans_stop, rc);
+
+ dt_write_lock(env, dto, 0);
+ if (dt_object_exists(dto))
+ GOTO(unlock, rc = 0);
+
+ CDEBUG(D_OTHER, "create new object "DFID"\n", PFID(fid));
+
+ rc = dt_create(env, dto, at, NULL, dof, th);
+ if (rc)
+ GOTO(unlock, rc);
+ LASSERT(dt_object_exists(dto));
+unlock:
+ dt_write_unlock(env, dto);
+trans_stop:
+ dt_trans_stop(env, dt, th);
+out:
+ if (rc) {
+ lu_object_put(env, &dto->do_lu);
+ RETURN(ERR_PTR(rc));
+ }
+ RETURN(dto);
+}
+EXPORT_SYMBOL(dt_find_or_create);
+
/* dt class init function. */
int dt_global_init(void)
{
}
EXPORT_SYMBOL(dt_version_get);
+/* list of all supported index types */
+
+/* directories */
const struct dt_index_features dt_directory_features;
EXPORT_SYMBOL(dt_directory_features);
+
+/* scrub iterator */
+const struct dt_index_features dt_otable_features;
+EXPORT_SYMBOL(dt_otable_features);
+
+/* accounting indexes */
+const struct dt_index_features dt_acct_features = {
+ .dif_flags = DT_IND_UPDATE,
+ .dif_keysize_min = sizeof(__u64), /* 64-bit uid/gid */
+ .dif_keysize_max = sizeof(__u64), /* 64-bit uid/gid */
+ .dif_recsize_min = sizeof(struct lquota_acct_rec), /* 16 bytes */
+ .dif_recsize_max = sizeof(struct lquota_acct_rec), /* 16 bytes */
+ .dif_ptrsize = 4
+};
+EXPORT_SYMBOL(dt_acct_features);
+
+/* global quota files */
+const struct dt_index_features dt_quota_glb_features = {
+ .dif_flags = DT_IND_UPDATE,
+ /* a different key would have to be used for per-directory quota */
+ .dif_keysize_min = sizeof(__u64), /* 64-bit uid/gid */
+ .dif_keysize_max = sizeof(__u64), /* 64-bit uid/gid */
+ .dif_recsize_min = sizeof(struct lquota_glb_rec), /* 32 bytes */
+ .dif_recsize_max = sizeof(struct lquota_glb_rec), /* 32 bytes */
+ .dif_ptrsize = 4
+};
+EXPORT_SYMBOL(dt_quota_glb_features);
+
+/* slave quota files */
+const struct dt_index_features dt_quota_slv_features = {
+ .dif_flags = DT_IND_UPDATE,
+ /* a different key would have to be used for per-directory quota */
+ .dif_keysize_min = sizeof(__u64), /* 64-bit uid/gid */
+ .dif_keysize_max = sizeof(__u64), /* 64-bit uid/gid */
+ .dif_recsize_min = sizeof(struct lquota_slv_rec), /* 8 bytes */
+ .dif_recsize_max = sizeof(struct lquota_slv_rec), /* 8 bytes */
+ .dif_ptrsize = 4
+};
+EXPORT_SYMBOL(dt_quota_slv_features);