-/* -*- 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.
/*
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
- */
-/*
- * Copyright (c) 2011 Whamcloud, Inc.
+ *
+ * Copyright (c) 2011, 2012, Whamcloud, Inc.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Author: Wang Di <wangdi@clusterfs.com>
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_MDS
#include <linux/module.h>
int mdd_data_get(const struct lu_env *env, struct mdd_object *obj,
void **data)
{
- LASSERTF(mdd_object_exists(obj), "FID is "DFID"\n",
- PFID(mdd_object_fid(obj)));
+ if (mdd_object_exists(obj) == 0) {
+ CERROR("%s: object "DFID" not found: rc = -2\n",
+ mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
+ return -ENOENT;
+ }
mdo_data_get(env, obj, data);
return 0;
}
int mdd_la_get(const struct lu_env *env, struct mdd_object *obj,
struct lu_attr *la, struct lustre_capa *capa)
{
- LASSERTF(mdd_object_exists(obj), "FID is "DFID"\n",
- PFID(mdd_object_fid(obj)));
+ if (mdd_object_exists(obj) == 0) {
+ CERROR("%s: object "DFID" not found: rc = -2\n",
+ mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
+ return -ENOENT;
+ }
return mdo_attr_get(env, obj, la, capa);
}
return mti->mti_max_cookie;
}
-struct lov_mds_md *mdd_max_lmm_get(const struct lu_env *env,
- struct mdd_device *mdd)
+struct lov_mds_md *mdd_max_lmm_buffer(const struct lu_env *env, int size)
{
struct mdd_thread_info *mti = mdd_env_info(env);
- int max_lmm_size;
- max_lmm_size = mdd_lov_mdsize(env, mdd);
- if (unlikely(mti->mti_max_lmm_size < max_lmm_size)) {
- if (mti->mti_max_lmm)
- OBD_FREE_LARGE(mti->mti_max_lmm, mti->mti_max_lmm_size);
- mti->mti_max_lmm = NULL;
- mti->mti_max_lmm_size = 0;
- }
- if (unlikely(mti->mti_max_lmm == NULL)) {
- OBD_ALLOC_LARGE(mti->mti_max_lmm, max_lmm_size);
+ if (unlikely(mti->mti_max_lmm_size < size)) {
+ int rsize = size_roundup_power2(size);
+
+ if (mti->mti_max_lmm_size > 0) {
+ LASSERT(mti->mti_max_lmm);
+ OBD_FREE_LARGE(mti->mti_max_lmm,
+ mti->mti_max_lmm_size);
+ mti->mti_max_lmm = NULL;
+ mti->mti_max_lmm_size = 0;
+ }
+
+ OBD_ALLOC_LARGE(mti->mti_max_lmm, rsize);
if (likely(mti->mti_max_lmm != NULL))
- mti->mti_max_lmm_size = max_lmm_size;
+ mti->mti_max_lmm_size = rsize;
}
return mti->mti_max_lmm;
}
+struct lov_mds_md *mdd_max_lmm_get(const struct lu_env *env,
+ struct mdd_device *mdd)
+{
+ int max_lmm_size;
+
+ max_lmm_size = mdd_lov_mdsize(env, mdd);
+ return mdd_max_lmm_buffer(env, max_lmm_size);
+}
+
struct lu_object *mdd_object_alloc(const struct lu_env *env,
const struct lu_object_header *hdr,
struct lu_device *d)
return lu_fid_eq(&mdd_dev->mdd_root_fid, fid);
}
+int mdd_big_lmm_get(const struct lu_env *env, struct mdd_object *obj,
+ struct md_attr *ma)
+{
+ struct mdd_thread_info *info = mdd_env_info(env);
+ int size;
+ int rc = -EINVAL;
+ ENTRY;
+
+ LASSERT(info != NULL);
+ LASSERT(ma->ma_big_lmm_used == 0);
+
+ if (ma->ma_lmm_size == 0) {
+ CERROR("No buffer to hold %s xattr of object "DFID"\n",
+ XATTR_NAME_LOV, PFID(mdd_object_fid(obj)));
+ RETURN(rc);
+ }
+
+ rc = mdo_xattr_get(env, obj, &LU_BUF_NULL, XATTR_NAME_LOV,
+ mdd_object_capa(env, obj));
+ if (rc < 0)
+ RETURN(rc);
+
+ /* big_lmm may need to grow */
+ size = rc;
+ mdd_max_lmm_buffer(env, size);
+ if (info->mti_max_lmm == NULL)
+ RETURN(-ENOMEM);
+
+ LASSERT(info->mti_max_lmm_size >= size);
+ rc = mdd_get_md(env, obj, info->mti_max_lmm, &size,
+ XATTR_NAME_LOV);
+ if (rc < 0)
+ RETURN(rc);
+
+ ma->ma_big_lmm_used = 1;
+ ma->ma_valid |= MA_LOV;
+ ma->ma_lmm = info->mti_max_lmm;
+ ma->ma_lmm_size = size;
+ LASSERT(size == rc);
+ RETURN(rc);
+}
+
/* get lov EA only */
static int __mdd_lmm_get(const struct lu_env *env,
struct mdd_object *mdd_obj, struct md_attr *ma)
rc = mdd_get_md(env, mdd_obj, ma->ma_lmm, &ma->ma_lmm_size,
XATTR_NAME_LOV);
- if (rc == 0 && (ma->ma_need & MA_LOV_DEF) && is_rootdir(mdd_obj))
+ if (rc == -ERANGE)
+ rc = mdd_big_lmm_get(env, mdd_obj, ma);
+ else if (rc == 0 && (ma->ma_need & MA_LOV_DEF) && is_rootdir(mdd_obj))
rc = mdd_get_default_md(mdd_obj, ma->ma_lmm);
+
if (rc > 0) {
ma->ma_lmm_size = rc;
ma->ma_layout_gen = ma->ma_lmm->lmm_layout_gen;
/*
* No permission check is needed.
*/
-static int mdd_attr_get(const struct lu_env *env, struct md_object *obj,
- struct md_attr *ma)
+int mdd_attr_get(const struct lu_env *env, struct md_object *obj,
+ struct md_attr *ma)
{
struct mdd_object *mdd_obj = md2mdd_obj(obj);
int rc;
ENTRY;
- LASSERT(mdd_object_exists(mdd_obj));
+ if (mdd_object_exists(mdd_obj) == 0) {
+ CERROR("%s: object "DFID" not found: rc = -2\n",
+ mdd_obj_dev_name(mdd_obj),PFID(mdd_object_fid(mdd_obj)));
+ return -ENOENT;
+ }
mdd_read_lock(env, mdd_obj, MOR_TGT_CHILD);
rc = mdo_xattr_get(env, mdd_obj, buf, name,
int rc;
ENTRY;
- LASSERT(mdd_object_exists(mdd_obj));
+ if (mdd_object_exists(mdd_obj) == 0) {
+ CERROR("%s: object "DFID" not found: rc = -2\n",
+ mdd_obj_dev_name(mdd_obj),PFID(mdd_object_fid(mdd_obj)));
+ return -ENOENT;
+ }
next = mdd_object_child(mdd_obj);
mdd_read_lock(env, mdd_obj, MOR_TGT_CHILD);
}
/* set attr and LOV EA at once, return updated attr */
-static int mdd_attr_set(const struct lu_env *env, struct md_object *obj,
- const struct md_attr *ma)
+int mdd_attr_set(const struct lu_env *env, struct md_object *obj,
+ const struct md_attr *ma)
{
struct mdd_object *mdd_obj = md2mdd_obj(obj);
struct mdd_device *mdd = mdo2mdd(obj);
struct llog_cookie *logcookies = NULL;
int rc, lmm_size = 0, cookie_size = 0;
struct lu_attr *la_copy = &mdd_env_info(env)->mti_la_for_fix;
+#ifdef HAVE_QUOTA_SUPPORT
struct obd_device *obd = mdd->mdd_obd_dev;
struct mds_obd *mds = &obd->u.mds;
-#ifdef HAVE_QUOTA_SUPPORT
unsigned int qnids[MAXQUOTAS] = { 0, 0 };
unsigned int qoids[MAXQUOTAS] = { 0, 0 };
int quota_opc = 0, block_count = 0;
if (rc)
GOTO(stop, rc);
- /* permission changes may require sync operation */
- if (ma->ma_attr.la_valid & (LA_MODE|LA_UID|LA_GID))
- handle->th_sync = !!mdd->mdd_sync_permission;
-
rc = mdd_trans_start(env, mdd, handle);
if (rc)
GOTO(stop, rc);
/* permission changes may require sync operation */
if (ma->ma_attr.la_valid & (LA_MODE|LA_UID|LA_GID))
- handle->th_sync |= mdd->mdd_sync_permission;
+ handle->th_sync |= !!mdd->mdd_sync_permission;
if (ma->ma_attr.la_valid & (LA_MTIME | LA_CTIME))
CDEBUG(D_INODE, "setting mtime "LPU64", ctime "LPU64"\n",
if (IS_ERR(handle))
RETURN(PTR_ERR(handle));
- /* security-replated changes may require sync */
- if (!strcmp(name, XATTR_NAME_ACL_ACCESS) &&
- mdd->mdd_sync_permission == 1)
- handle->th_sync = 1;
-
rc = mdd_declare_xattr_set(env, mdd, mdd_obj, buf, name, handle);
if (rc)
GOTO(stop, rc);
/* security-replated changes may require sync */
if (!strcmp(name, XATTR_NAME_ACL_ACCESS))
- handle->th_sync |= mdd->mdd_sync_permission;
+ handle->th_sync |= !!mdd->mdd_sync_permission;
rc = mdd_xattr_set_txn(env, mdd_obj, buf, name, fl, handle);
* Check -ENOENT early here because we need to get object type
* to calculate credits before transaction start
*/
- if (!mdd_object_exists(mdd_obj))
+ if (mdd_object_exists(mdd_obj) == 0) {
+ CERROR("%s: object "DFID" not found: rc = -2\n",
+ mdd_obj_dev_name(mdd_obj),PFID(mdd_object_fid(mdd_obj)));
RETURN(-ENOENT);
+ }
LASSERT(mdd_object_exists(mdd_obj) > 0);
if (S_ISREG(mdd_object_type(obj))) {
/* Return LOV & COOKIES unconditionally here. We clean evth up.
* Caller must be ready for that. */
-
rc = __mdd_lmm_get(env, obj, ma);
if ((ma->ma_valid & MA_LOV))
rc = mdd_unlink_log(env, mdo2mdd(&obj->mod_obj),
int rc;
ENTRY;
- LASSERT(mdd_object_exists(mdd_obj));
+ if (mdd_object_exists(mdd_obj) == 0) {
+ CERROR("%s: object "DFID" not found: rc = -2\n",
+ mdd_obj_dev_name(mdd_obj),PFID(mdd_object_fid(mdd_obj)));
+ return -ENOENT;
+ }
mdd_read_lock(env, mdd_obj, MOR_TGT_CHILD);
rc = mdd_readpage_sanity_check(env, mdd_obj);
static int mdd_object_sync(const struct lu_env *env, struct md_object *obj)
{
struct mdd_object *mdd_obj = md2mdd_obj(obj);
- struct dt_object *next;
- LASSERT(mdd_object_exists(mdd_obj));
- next = mdd_object_child(mdd_obj);
- return next->do_ops->do_object_sync(env, next);
+ if (mdd_object_exists(mdd_obj) == 0) {
+ CERROR("%s: object "DFID" not found: rc = -2\n",
+ mdd_obj_dev_name(mdd_obj),PFID(mdd_object_fid(mdd_obj)));
+ return -ENOENT;
+ }
+ return dt_object_sync(env, mdd_object_child(mdd_obj));
}
const struct md_object_operations mdd_obj_ops = {
git://git.whamcloud.com / fs / lustre-release.git / blobdiff