* Copyright 2009 Sun Microsystems, Inc. All rights reserved
* Use is subject to license terms.
*
- * Copyright (c) 2012, Intel Corporation.
+ * Copyright (c) 2012, 2013, Intel Corporation.
*/
/*
* lustre/lod/lod_object.c
* Author: Alex Zhuravlev <alexey.zhuravlev@intel.com>
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_MDS
#include <obd.h>
#include "lod_internal.h"
-extern cfs_mem_cache_t *lod_object_kmem;
+extern struct kmem_cache *lod_object_kmem;
static const struct dt_body_operations lod_body_lnk_ops;
static int lod_index_lookup(const struct lu_env *env, struct dt_object *dt,
#define LOD_CHECK_IT(env, it) \
{ \
- /* IT is supposed to be in thread info always */ \
- LASSERT((it) == &lod_env_info(env)->lti_it); \
LASSERT((it)->lit_obj != NULL); \
LASSERT((it)->lit_it != NULL); \
} while(0)
if (rc)
RETURN(rc);
+ /* osp_declare_attr_set() ignores all attributes other than
+ * UID, GID, and size, and osp_attr_set() ignores all but UID
+ * and GID. Declaration of size attr setting happens through
+ * lod_declare_init_size(), and not through this function.
+ * Therefore we need not load striping unless ownership is
+ * changing. This should save memory and (we hope) speed up
+ * rename(). */
+ if (!(attr->la_valid & (LA_UID | LA_GID)))
+ RETURN(rc);
+
/*
* load striping information, notice we don't do this when object
* is being initialized as we don't need this information till
}
}
+ if (OBD_FAIL_CHECK(OBD_FAIL_MAKE_LOVEA_HOLE) &&
+ dt_object_exists(next) &&
+ dt_object_remote(next) == 0 && S_ISREG(attr->la_mode)) {
+ struct lod_thread_info *info = lod_env_info(env);
+ struct lu_buf *buf = &info->lti_buf;
+
+ buf->lb_buf = info->lti_ea_store;
+ buf->lb_len = info->lti_ea_store_size;
+ dt_declare_xattr_set(env, next, buf, XATTR_NAME_LOV,
+ LU_XATTR_REPLACE, handle);
+ }
+
+
RETURN(rc);
}
if (rc)
RETURN(rc);
+ if (!(attr->la_valid & (LA_UID | LA_GID)))
+ RETURN(rc);
+
/*
* if object is striped, apply changes to all the stripes
*/
}
}
+ if (OBD_FAIL_CHECK(OBD_FAIL_MAKE_LOVEA_HOLE) &&
+ dt_object_exists(next) &&
+ dt_object_remote(next) == 0 && S_ISREG(attr->la_mode)) {
+ struct lod_thread_info *info = lod_env_info(env);
+ struct lu_buf *buf = &info->lti_buf;
+ struct lov_mds_md_v1 *lmm;
+ struct lov_ost_data_v1 *objs;
+ __u32 magic;
+ int rc1;
+
+ rc1 = lod_get_lov_ea(env, lo);
+ if (rc1 <= 0)
+ RETURN(rc);
+
+ buf->lb_buf = info->lti_ea_store;
+ buf->lb_len = info->lti_ea_store_size;
+ lmm = info->lti_ea_store;
+ magic = le32_to_cpu(lmm->lmm_magic);
+ if (le16_to_cpu(lmm->lmm_stripe_count) >= 2) {
+ if (magic == LOV_MAGIC_V1)
+ objs = &(lmm->lmm_objects[1]);
+ else
+ objs = &((struct lov_mds_md_v3 *)lmm)->lmm_objects[1];
+ memset(objs, 0, sizeof(*objs));
+ dt_xattr_set(env, next, buf, XATTR_NAME_LOV,
+ LU_XATTR_REPLACE, handle, BYPASS_CAPA);
+ }
+ }
+
RETURN(rc);
}
struct lov_desc *desc = &dev->lod_desc;
if (buf->lb_buf == NULL) {
- rc = sizeof(struct lov_user_md_v1);
- } else if (buf->lb_len >= sizeof(struct lov_user_md_v1)) {
- lum->lmm_magic = LOV_USER_MAGIC_V1;
- lum->lmm_object_seq = FID_SEQ_LOV_DEFAULT;
- lum->lmm_pattern = desc->ld_pattern;
- lum->lmm_stripe_size = desc->ld_default_stripe_size;
- lum->lmm_stripe_count = desc->ld_default_stripe_count;
- lum->lmm_stripe_offset = desc->ld_default_stripe_offset;
- rc = sizeof(struct lov_user_md_v1);
+ rc = sizeof(*lum);
+ } else if (buf->lb_len >= sizeof(*lum)) {
+ lum->lmm_magic = cpu_to_le32(LOV_USER_MAGIC_V1);
+ lmm_oi_set_seq(&lum->lmm_oi, FID_SEQ_LOV_DEFAULT);
+ lmm_oi_cpu_to_le(&lum->lmm_oi, &lum->lmm_oi);
+ lum->lmm_pattern = cpu_to_le32(desc->ld_pattern);
+ lum->lmm_stripe_size = cpu_to_le32(
+ desc->ld_default_stripe_size);
+ lum->lmm_stripe_count = cpu_to_le16(
+ desc->ld_default_stripe_count);
+ lum->lmm_stripe_offset = cpu_to_le16(
+ desc->ld_default_stripe_offset);
+ rc = sizeof(*lum);
} else {
rc = -ERANGE;
}
if (rc)
RETURN(rc);
} else {
- memset(attr, 0, sizeof(attr));
+ memset(attr, 0, sizeof(*attr));
attr->la_valid = LA_TYPE | LA_MODE;
attr->la_mode = S_IFREG;
}
struct lod_object *l = lod_dt_obj(dt);
struct lov_user_md_v1 *lum;
struct lov_user_md_v3 *v3 = NULL;
+ const char *pool_name = NULL;
int rc;
ENTRY;
l->ldo_def_stripe_size = 0;
l->ldo_def_stripenr = 0;
- LASSERT(buf);
- LASSERT(buf->lb_buf);
+ LASSERT(buf != NULL && buf->lb_buf != NULL);
lum = buf->lb_buf;
- rc = lod_verify_striping(d, buf, 0);
+ rc = lod_verify_striping(d, buf, false);
if (rc)
RETURN(rc);
- if (lum->lmm_magic == LOV_USER_MAGIC_V3)
+ if (lum->lmm_magic == LOV_USER_MAGIC_V3) {
v3 = buf->lb_buf;
+ if (v3->lmm_pool_name[0] != '\0')
+ pool_name = v3->lmm_pool_name;
+ }
/* if { size, offset, count } = { 0, -1, 0 } and no pool
* (i.e. all default values specified) then delete default
(int)lum->lmm_stripe_offset,
v3 ? "from" : "", v3 ? v3->lmm_pool_name : "");
- if (LOVEA_DELETE_VALUES((lum->lmm_stripe_size),
- (lum->lmm_stripe_count),
- (lum->lmm_stripe_offset)) &&
- lum->lmm_magic == LOV_USER_MAGIC_V1) {
+ if (LOVEA_DELETE_VALUES(lum->lmm_stripe_size, lum->lmm_stripe_count,
+ lum->lmm_stripe_offset, pool_name)) {
rc = dt_xattr_del(env, next, name, th, capa);
if (rc == -ENODATA)
rc = 0;
* already have during req replay, declare_xattr_set()
* defines striping, then create() does the work
*/
- if (fl & LU_XATTR_REPLACE)
+ if (fl & LU_XATTR_REPLACE) {
+ /* free stripes, then update disk */
+ lod_object_free_striping(env, lod_dt_obj(dt));
rc = dt_xattr_set(env, next, buf, name, fl, th, capa);
- else
+ } else {
rc = lod_striping_create(env, dt, NULL, NULL, th);
+ }
RETURN(rc);
} else {
/*
const char *name, struct thandle *th,
struct lustre_capa *capa)
{
+ if (!strcmp(name, XATTR_NAME_LOV))
+ lod_object_free_striping(env, lod_dt_obj(dt));
return dt_xattr_del(env, dt_object_child(dt), name, th, capa);
}
struct dt_allocation_hint *ah,
struct dt_object *parent,
struct dt_object *child,
- cfs_umode_t child_mode)
+ umode_t child_mode)
{
struct lod_device *d = lu2lod_dev(child->do_lu.lo_dev);
struct dt_object *nextp = NULL;
* in case of late striping creation, ->ah_init()
* can be called with local object existing
*/
- if (!dt_object_exists(nextc))
- nextc->do_ops->do_ah_init(env, ah, nextp, nextc, child_mode);
+ if (!dt_object_exists(nextc) || dt_object_remote(nextc))
+ nextc->do_ops->do_ah_init(env, ah, dt_object_remote(nextp) ?
+ NULL : nextp, nextc, child_mode);
if (S_ISDIR(child_mode)) {
if (lp->ldo_striping_cached == 0) {
LASSERT(dof);
LASSERT(attr);
LASSERT(th);
- LASSERT(!dt_object_exists(next));
/*
* first of all, we declare creation of local object
if (LOVEA_DELETE_VALUES(lo->ldo_def_stripe_size,
lo->ldo_def_stripenr,
- lo->ldo_def_stripe_offset))
+ lo->ldo_def_stripe_offset,
+ lo->ldo_pool))
RETURN(0);
OBD_ALLOC_PTR(v3);
v3->lmm_magic = cpu_to_le32(LOV_MAGIC_V3);
v3->lmm_pattern = cpu_to_le32(LOV_PATTERN_RAID0);
- v3->lmm_object_id = fid_oid(lu_object_fid(&dt->do_lu));
- v3->lmm_object_seq = fid_seq(lu_object_fid(&dt->do_lu));
+ fid_to_lmm_oi(lu_object_fid(&dt->do_lu), &v3->lmm_oi);
+ lmm_oi_cpu_to_le(&v3->lmm_oi, &v3->lmm_oi);
v3->lmm_stripe_size = cpu_to_le32(lo->ldo_def_stripe_size);
v3->lmm_stripe_count = cpu_to_le32(lo->ldo_def_stripenr);
v3->lmm_stripe_offset = cpu_to_le16(lo->ldo_def_stripe_offset);
int rc = 0, i;
ENTRY;
- LASSERT(lo->ldo_stripe);
- LASSERT(lo->ldo_stripe > 0);
LASSERT(lo->ldo_striping_cached == 0);
/* create all underlying objects */
return dt_object_sync(env, dt_object_child(dt));
}
+static int lod_object_lock(const struct lu_env *env,
+ struct dt_object *dt, struct lustre_handle *lh,
+ struct ldlm_enqueue_info *einfo,
+ void *policy)
+{
+ struct dt_object *next = dt_object_child(dt);
+ int rc;
+ ENTRY;
+
+ /*
+ * declare setattr on the local object
+ */
+ rc = dt_object_lock(env, next, lh, einfo, policy);
+
+ RETURN(rc);
+}
+
struct dt_object_operations lod_obj_ops = {
.do_read_lock = lod_object_read_lock,
.do_write_lock = lod_object_write_lock,
.do_ref_del = lod_ref_del,
.do_capa_get = lod_capa_get,
.do_object_sync = lod_object_sync,
+ .do_object_lock = lod_object_lock,
};
static ssize_t lod_read(const struct lu_env *env, struct dt_object *dt,
lo->ldo_stripes_allocated = 0;
}
lo->ldo_stripenr = 0;
+ lo->ldo_pattern = 0;
}
/*
git://git.whamcloud.com / fs / lustre-release.git / blobdiff