LU-1818 quota: en/disable quota enforcement via conf_param

[fs/lustre-release.git] / lustre / obdclass / dt_object.c

diff --git a/lustre/obdclass/dt_object.c b/lustre/obdclass/dt_object.c
index 1626b20..052cb4e 100644 (file)
--- a/lustre/obdclass/dt_object.c
+++ b/lustre/obdclass/dt_object.c
@@ -42,9 +42,6 @@
  */
 
 #define DEBUG_SUBSYSTEM S_CLASS
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
 
 #include <obd.h>
 #include <dt_object.h>
@@ -52,6 +49,8 @@
 /* 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;
@@ -374,6 +373,61 @@ struct dt_object *dt_store_open(const struct lu_env *env,
 }
 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)
 {
@@ -507,5 +561,23 @@ dt_obj_version_t dt_version_get(const struct lu_env *env, struct dt_object *o)
 }
 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 acct_rec), /* 32 bytes */
+       .dif_recsize_max        = sizeof(struct acct_rec), /* 32 bytes */
+       .dif_ptrsize            = 4
+};
+EXPORT_SYMBOL(dt_acct_features);