-/* -*- 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.
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Whamcloud, Inc.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Author: wangdi <wangdi@clusterfs.com>
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_MDS
#include <linux/module.h>
#include "mdd_internal.h"
-static int mdd_notify(struct obd_device *host, struct obd_device *watched,
- enum obd_notify_event ev, void *owner, void *data)
-{
- struct mdd_device *mdd = owner;
- int rc = 0;
- ENTRY;
-
- LASSERT(owner != NULL);
- switch (ev)
- {
- case OBD_NOTIFY_ACTIVE:
- case OBD_NOTIFY_SYNC:
- case OBD_NOTIFY_SYNC_NONBLOCK:
- rc = md_do_upcall(NULL, &mdd->mdd_md_dev,
- MD_LOV_SYNC, data);
- break;
- case OBD_NOTIFY_CONFIG:
- rc = md_do_upcall(NULL, &mdd->mdd_md_dev,
- MD_LOV_CONFIG, data);
- break;
-#ifdef HAVE_QUOTA_SUPPORT
- case OBD_NOTIFY_QUOTA:
- rc = md_do_upcall(NULL, &mdd->mdd_md_dev,
- MD_LOV_QUOTA, data);
- break;
-#endif
- default:
- CDEBUG(D_INFO, "Unhandled notification %#x\n", ev);
- }
-
- RETURN(rc);
-}
-
-/* The obd is created for handling data stack for mdd */
-int mdd_init_obd(const struct lu_env *env, struct mdd_device *mdd,
- struct lustre_cfg *cfg)
-{
- char *dev = lustre_cfg_string(cfg, 0);
- int rc, name_size, uuid_size;
- char *name, *uuid;
- __u32 mds_id;
- struct lustre_cfg_bufs *bufs;
- struct lustre_cfg *lcfg;
- struct obd_device *obd;
- ENTRY;
-
- mds_id = lu_site2md(mdd2lu_dev(mdd)->ld_site)->ms_node_id;
- name_size = strlen(MDD_OBD_NAME) + 35;
- uuid_size = strlen(MDD_OBD_UUID) + 35;
-
- OBD_ALLOC(name, name_size);
- OBD_ALLOC(uuid, uuid_size);
- if (name == NULL || uuid == NULL)
- GOTO(cleanup_mem, rc = -ENOMEM);
-
- OBD_ALLOC_PTR(bufs);
- if (!bufs)
- GOTO(cleanup_mem, rc = -ENOMEM);
-
- snprintf(name, strlen(MDD_OBD_NAME) + 35, "%s-%s-%d",
- MDD_OBD_NAME, dev, mds_id);
-
- snprintf(uuid, strlen(MDD_OBD_UUID) + 35, "%s-%s-%d",
- MDD_OBD_UUID, dev, mds_id);
-
- lustre_cfg_bufs_reset(bufs, name);
- lustre_cfg_bufs_set_string(bufs, 1, MDD_OBD_TYPE);
- lustre_cfg_bufs_set_string(bufs, 2, uuid);
- lustre_cfg_bufs_set_string(bufs, 3, (char*)dev/* MDD_OBD_PROFILE */);
- lustre_cfg_bufs_set_string(bufs, 4, (char*)dev);
-
- lcfg = lustre_cfg_new(LCFG_ATTACH, bufs);
- OBD_FREE_PTR(bufs);
- if (!lcfg)
- GOTO(cleanup_mem, rc = -ENOMEM);
-
- rc = class_attach(lcfg);
- if (rc)
- GOTO(lcfg_cleanup, rc);
-
- obd = class_name2obd(name);
- if (!obd) {
- CERROR("Can not find obd %s\n", MDD_OBD_NAME);
- LBUG();
- }
-
- obd->obd_recovering = 1;
- obd->u.mds.mds_id = mds_id;
- rc = class_setup(obd, lcfg);
- if (rc)
- GOTO(class_detach, rc);
-
- /*
- * Add here for obd notify mechanism, when adding a new ost, the mds
- * will notify this mdd. The mds will be used for quota also.
- */
- obd->obd_upcall.onu_upcall = mdd_notify;
- obd->obd_upcall.onu_owner = mdd;
- mdd->mdd_obd_dev = obd;
- EXIT;
-class_detach:
- if (rc)
- class_detach(obd, lcfg);
-lcfg_cleanup:
- lustre_cfg_free(lcfg);
-cleanup_mem:
- if (name)
- OBD_FREE(name, name_size);
- if (uuid)
- OBD_FREE(uuid, uuid_size);
- return rc;
-}
-
-int mdd_fini_obd(const struct lu_env *env, struct mdd_device *mdd,
- struct lustre_cfg *lcfg)
-{
- struct obd_device *obd;
- int rc;
- ENTRY;
-
- obd = mdd2obd_dev(mdd);
- LASSERT(obd);
-
- rc = class_cleanup(obd, lcfg);
- if (rc)
- GOTO(lcfg_cleanup, rc);
-
- obd->obd_upcall.onu_upcall = NULL;
- obd->obd_upcall.onu_owner = NULL;
- rc = class_detach(obd, lcfg);
- if (rc)
- GOTO(lcfg_cleanup, rc);
- mdd->mdd_obd_dev = NULL;
-
- EXIT;
-lcfg_cleanup:
- return rc;
-}
-
int mdd_get_md(const struct lu_env *env, struct mdd_object *obj,
void *md, int *md_size, const char *name)
{
*md_size = 0;
rc = 0;
} else if (rc < 0) {
- CERROR("Error %d reading eadata - %d\n", rc, *md_size);
+ CDEBUG(D_OTHER, "Error %d reading eadata - %d\n",
+ rc, *md_size);
} else {
/* XXX: Convert lov EA but fixed after verification test. */
*md_size = rc;
RETURN(rc);
}
-
-int mdd_get_md_locked(const struct lu_env *env, struct mdd_object *obj,
- void *md, int *md_size, const char *name)
-{
- int rc = 0;
- mdd_read_lock(env, obj, MOR_TGT_CHILD);
- rc = mdd_get_md(env, obj, md, md_size, name);
- mdd_read_unlock(env, obj);
- return rc;
-}
-
-static int mdd_lov_set_stripe_md(const struct lu_env *env,
- struct mdd_object *obj, struct lu_buf *buf,
- struct thandle *handle)
-{
- struct mdd_device *mdd = mdo2mdd(&obj->mod_obj);
- struct obd_device *obd = mdd2obd_dev(mdd);
- struct obd_export *lov_exp = obd->u.mds.mds_lov_exp;
- struct lov_stripe_md *lsm = NULL;
- int rc;
- ENTRY;
-
- LASSERT(S_ISDIR(mdd_object_type(obj)) || S_ISREG(mdd_object_type(obj)));
- rc = obd_iocontrol(OBD_IOC_LOV_SETSTRIPE, lov_exp, 0,
- &lsm, buf->lb_buf);
- if (rc)
- RETURN(rc);
- obd_free_memmd(lov_exp, &lsm);
-
- rc = mdd_xattr_set_txn(env, obj, buf, XATTR_NAME_LOV, 0, handle);
-
- CDEBUG(D_INFO, "set lov ea of "DFID" rc %d \n", PFID(mdo2fid(obj)), rc);
- RETURN(rc);
-}
-
-/*
- * Permission check is done before call it,
- * no need check again.
- */
-static int mdd_lov_set_dir_md(const struct lu_env *env,
- struct mdd_object *obj, struct lu_buf *buf,
- struct thandle *handle)
-{
- struct lov_user_md *lum = NULL;
- int rc = 0;
- ENTRY;
-
- LASSERT(S_ISDIR(mdd_object_type(obj)));
- lum = (struct lov_user_md*)buf->lb_buf;
-
- /* if { size, offset, count } = { 0, -1, 0 } and no pool (i.e. all default
- * values specified) then delete default striping from dir. */
- if (lum->lmm_stripe_size == 0 && lum->lmm_stripe_count == 0 &&
- lum->lmm_stripe_offset == (typeof(lum->lmm_stripe_offset))(-1) &&
- lum->lmm_magic != LOV_USER_MAGIC_V3) {
- rc = mdd_xattr_set_txn(env, obj, &LU_BUF_NULL,
- XATTR_NAME_LOV, 0, handle);
- if (rc == -ENODATA)
- rc = 0;
- CDEBUG(D_INFO, "delete lov ea of "DFID" rc %d \n",
- PFID(mdo2fid(obj)), rc);
- } else {
- rc = mdd_lov_set_stripe_md(env, obj, buf, handle);
- }
- RETURN(rc);
-}
-
-int mdd_lsm_sanity_check(const struct lu_env *env, struct mdd_object *obj)
-{
- struct lu_attr *tmp_la = &mdd_env_info(env)->mti_la;
- struct md_ucred *uc = md_ucred(env);
- int rc;
- ENTRY;
-
- rc = mdd_la_get(env, obj, tmp_la, BYPASS_CAPA);
- if (rc)
- RETURN(rc);
-
- if ((uc->mu_fsuid != tmp_la->la_uid) &&
- !mdd_capable(uc, CFS_CAP_FOWNER))
- rc = mdd_permission_internal_locked(env, obj, tmp_la,
- MAY_WRITE, MOR_TGT_CHILD);
-
- RETURN(rc);
-}
-
-int mdd_lov_set_md(const struct lu_env *env, struct mdd_object *pobj,
- struct mdd_object *child, struct lov_mds_md *lmmp,
- int lmm_size, struct thandle *handle, int set_stripe)
-{
- struct lu_buf *buf;
- cfs_umode_t mode;
- int rc = 0;
- ENTRY;
-
- buf = mdd_buf_get(env, lmmp, lmm_size);
- mode = mdd_object_type(child);
- if (S_ISREG(mode) && lmm_size > 0) {
- if (set_stripe) {
- rc = mdd_lov_set_stripe_md(env, child, buf, handle);
- } else {
- rc = mdd_xattr_set_txn(env, child, buf,
- XATTR_NAME_LOV, 0, handle);
- }
- } else if (S_ISDIR(mode)) {
- if (lmmp == NULL && lmm_size == 0) {
- struct mdd_device *mdd = mdd_obj2mdd_dev(child);
- struct lov_mds_md *lmm = mdd_max_lmm_get(env, mdd);
- int size = sizeof(struct lov_mds_md_v3);
-
- /* Get parent dir stripe and set */
- if (pobj != NULL)
- rc = mdd_get_md_locked(env, pobj, lmm, &size,
- XATTR_NAME_LOV);
- if (rc > 0) {
- buf = mdd_buf_get(env, lmm, size);
- rc = mdd_xattr_set_txn(env, child, buf,
- XATTR_NAME_LOV, 0, handle);
- if (rc)
- CERROR("error on copy stripe info: rc "
- "= %d\n", rc);
- }
- } else {
- LASSERT(lmmp != NULL && lmm_size > 0);
- rc = mdd_lov_set_dir_md(env, child, buf, handle);
- }
- }
- CDEBUG(D_INFO, "Set lov md %p size %d for fid "DFID" rc %d\n",
- lmmp, lmm_size, PFID(mdo2fid(child)), rc);
- RETURN(rc);
-}
-
-/*
- * XXX: this is for create lsm object id, which should identify the lsm object
- * unique in the whole mds, as I see. But it seems, we still not need it
- * now. Right? So just borrow the cl_fid_build_ino().
- */
-static obd_id mdd_lov_create_id(const struct lu_fid *fid)
-{
- return fid_flatten(fid);
-}
-
-int mdd_lov_objid_prepare(struct mdd_device *mdd, struct lov_mds_md *lmm)
-{
- /* copy mds_lov code is using wrong layer */
- return mds_lov_prepare_objids(mdd->mdd_obd_dev, lmm);
-}
-
-void mdd_lov_objid_update(struct mdd_device *mdd, struct lov_mds_md *lmm)
-{
- /* copy mds_lov code is using wrong layer */
- mds_lov_update_objids(mdd->mdd_obd_dev, lmm);
-}
-
-void mdd_lov_create_finish(const struct lu_env *env, struct mdd_device *mdd,
- struct lov_mds_md *lmm, int lmm_size,
- const struct md_op_spec *spec)
-{
- if (lmm && !spec->no_create)
- OBD_FREE(lmm, lmm_size);
-}
-
-int mdd_lov_create(const struct lu_env *env, struct mdd_device *mdd,
- struct mdd_object *parent, struct mdd_object *child,
- struct lov_mds_md **lmm, int *lmm_size,
- const struct md_op_spec *spec, struct lu_attr *la)
-{
- struct obd_device *obd = mdd2obd_dev(mdd);
- struct obd_export *lov_exp = obd->u.mds.mds_lov_exp;
- struct lu_site *site = mdd2lu_dev(mdd)->ld_site;
- struct obdo *oa;
- struct lov_stripe_md *lsm = NULL;
- const void *eadata = spec->u.sp_ea.eadata;
- __u32 create_flags = spec->sp_cr_flags;
- struct obd_trans_info *oti = &mdd_env_info(env)->mti_oti;
- int rc = 0;
- ENTRY;
-
- if (!md_should_create(create_flags)) {
- *lmm_size = 0;
- RETURN(0);
- }
- oti_init(oti, NULL);
-
- /* replay case, has objects already, only get lov from eadata */
- if (spec->no_create != 0) {
- *lmm = (struct lov_mds_md *)spec->u.sp_ea.eadata;
- *lmm_size = spec->u.sp_ea.eadatalen;
- if (*lmm_size == lov_mds_md_size((*lmm)->lmm_stripe_count,
- (*lmm)->lmm_magic)) {
- RETURN(0);
- } else {
- CERROR("incorrect lsm received during recovery\n");
- RETURN(-EPROTO);
- }
- }
-
- if (OBD_FAIL_CHECK(OBD_FAIL_MDS_ALLOC_OBDO))
- GOTO(out_ids, rc = -ENOMEM);
-
- LASSERT(lov_exp != NULL);
- oa = &mdd_env_info(env)->mti_oa;
-
- oa->o_uid = 0; /* must have 0 uid / gid on OST */
- oa->o_gid = 0;
- oa->o_gr = mdt_to_obd_objgrp(lu_site2md(site)->ms_node_id);
- oa->o_mode = S_IFREG | 0600;
- oa->o_id = mdd_lov_create_id(mdd_object_fid(child));
- oa->o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLFLAGS |
- OBD_MD_FLMODE | OBD_MD_FLUID | OBD_MD_FLGID | OBD_MD_FLGROUP;
- oa->o_size = 0;
-
- if (!(create_flags & MDS_OPEN_HAS_OBJS)) {
- if (create_flags & MDS_OPEN_HAS_EA) {
- LASSERT(eadata != NULL);
- rc = obd_iocontrol(OBD_IOC_LOV_SETSTRIPE, lov_exp,
- 0, &lsm, (void*)eadata);
- if (rc)
- GOTO(out_oti, rc);
- lsm->lsm_object_id = oa->o_id;
- lsm->lsm_object_gr = oa->o_gr;
- } else if (parent != NULL) {
- /* get lov ea from parent and set to lov */
- struct lov_mds_md *_lmm;
- int _lmm_size;
-
- _lmm_size = mdd_lov_mdsize(env, mdd);
- _lmm = mdd_max_lmm_get(env, mdd);
-
- if (_lmm == NULL)
- GOTO(out_oti, rc = -ENOMEM);
-
- rc = mdd_get_md_locked(env, parent, _lmm,
- &_lmm_size,
- XATTR_NAME_LOV);
- if (rc > 0)
- rc = obd_iocontrol(OBD_IOC_LOV_SETSTRIPE,
- lov_exp, *lmm_size,
- &lsm, _lmm);
-
- if (rc)
- GOTO(out_oti, rc);
- }
-
- OBD_FAIL_TIMEOUT(OBD_FAIL_MDS_OPEN_WAIT_CREATE, 10);
- rc = obd_create(lov_exp, oa, &lsm, oti);
- if (rc) {
- if (rc > 0) {
- CERROR("Create error for "DFID": %d\n",
- PFID(mdo2fid(child)), rc);
- rc = -EIO;
- }
- GOTO(out_oti, rc);
- }
- LASSERT_MDS_GROUP(lsm->lsm_object_gr);
- } else {
- LASSERT(eadata != NULL);
- rc = obd_iocontrol(OBD_IOC_LOV_SETEA, lov_exp, 0, &lsm,
- (void*)eadata);
- if (rc)
- GOTO(out_oti, rc);
- lsm->lsm_object_id = oa->o_id;
- lsm->lsm_object_gr = oa->o_gr;
- }
-
- /*
- * Sometimes, we may truncate some object(without lsm) then open it
- * (with write flags), so creating lsm above. The Nonzero(truncated)
- * size should tell ost, since size attr is in charge by OST.
- */
- if (la->la_size && la->la_valid & LA_SIZE) {
- struct obd_info *oinfo = &mdd_env_info(env)->mti_oi;
-
- memset(oinfo, 0, sizeof(*oinfo));
-
- /* When setting attr to ost, FLBKSZ is not needed. */
- oa->o_valid &= ~OBD_MD_FLBLKSZ;
- obdo_from_la(oa, la, OBD_MD_FLTYPE | OBD_MD_FLATIME |
- OBD_MD_FLMTIME | OBD_MD_FLCTIME | OBD_MD_FLSIZE);
-
- /*
- * XXX: Pack lustre id to OST, in OST, it will be packed by
- * filter_fid, but can not see what is the usages. So just pack
- * o_seq o_ver here, maybe fix it after this cycle.
- */
- oa->o_fid = fid_seq(mdd_object_fid(child));
- oa->o_generation = fid_oid(mdd_object_fid(child));
- oa->o_valid |= OBD_MD_FLFID | OBD_MD_FLGENER;
- oinfo->oi_oa = oa;
- oinfo->oi_md = lsm;
- oinfo->oi_capa = NULL;
- oinfo->oi_policy.l_extent.start = la->la_size;
- oinfo->oi_policy.l_extent.end = OBD_OBJECT_EOF;
-
- rc = obd_punch_rqset(lov_exp, oinfo, oti);
- if (rc) {
- CERROR("Error setting attrs for "DFID": rc %d\n",
- PFID(mdo2fid(child)), rc);
- if (rc > 0) {
- CERROR("obd_setattr for "DFID" rc %d\n",
- PFID(mdo2fid(child)), rc);
- rc = -EIO;
- }
- GOTO(out_oti, rc);
- }
- }
-
- /* blksize should be changed after create data object */
- la->la_valid |= LA_BLKSIZE;
- la->la_blksize = oa->o_blksize;
- *lmm = NULL;
- rc = obd_packmd(lov_exp, lmm, lsm);
- if (rc < 0) {
- CERROR("Cannot pack lsm, err = %d\n", rc);
- GOTO(out_oti, rc);
- }
- if (mdd_lov_objid_prepare(mdd, *lmm) != 0) {
- CERROR("Not have memory for update objid\n");
- OBD_FREE(*lmm, rc);
- *lmm = NULL;
- GOTO(out_oti, rc = -ENOMEM);
- }
- *lmm_size = rc;
- rc = 0;
- EXIT;
-out_oti:
- oti_free_cookies(oti);
-out_ids:
- if (lsm)
- obd_free_memmd(lov_exp, &lsm);
-
- return rc;
-}
-
-/*
- * used when destroying orphans and from mds_reint_unlink() when MDS wants to
- * destroy objects on OSS.
- */
-static
-int mdd_lovobj_unlink(const struct lu_env *env, struct mdd_device *mdd,
- struct mdd_object *obj, struct lu_attr *la,
- struct lov_mds_md *lmm, int lmm_size,
- struct llog_cookie *logcookies,
- int log_unlink)
-{
- struct obd_device *obd = mdd2obd_dev(mdd);
- struct obd_export *lov_exp = obd->u.mds.mds_lov_exp;
- struct lov_stripe_md *lsm = NULL;
- struct obd_trans_info *oti = &mdd_env_info(env)->mti_oti;
- struct obdo *oa = &mdd_env_info(env)->mti_oa;
- struct lu_site *site = mdd2lu_dev(mdd)->ld_site;
- int rc;
- ENTRY;
-
- if (lmm_size == 0)
- RETURN(0);
-
- rc = obd_unpackmd(lov_exp, &lsm, lmm, lmm_size);
- if (rc < 0) {
- CERROR("Error unpack md %p\n", lmm);
- RETURN(rc);
- } else {
- LASSERT(rc >= sizeof(*lsm));
- rc = 0;
- }
-
- oa->o_id = lsm->lsm_object_id;
- oa->o_gr = mdt_to_obd_objgrp(lu_site2md(site)->ms_node_id);
- oa->o_mode = la->la_mode & S_IFMT;
- oa->o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLGROUP;
-
- oti_init(oti, NULL);
- if (log_unlink && logcookies) {
- oa->o_valid |= OBD_MD_FLCOOKIE;
- oti->oti_logcookies = logcookies;
- }
-
- CDEBUG(D_INFO, "destroying OSS object %d/%d\n",
- (int)oa->o_id, (int)oa->o_gr);
-
- rc = obd_destroy(lov_exp, oa, lsm, oti, NULL, NULL);
-
- obd_free_memmd(lov_exp, &lsm);
- RETURN(rc);
-}
-
-/*
- * called with obj locked.
- */
-int mdd_lov_destroy(const struct lu_env *env, struct mdd_device *mdd,
- struct mdd_object *obj, struct lu_attr *la)
-{
- struct md_attr *ma = &mdd_env_info(env)->mti_ma;
- int rc;
- ENTRY;
-
- LASSERT(mdd_write_locked(env, obj) != 0);
-
- if (unlikely(!S_ISREG(mdd_object_type(obj))))
- RETURN(0);
-
- if (unlikely(la->la_nlink != 0)) {
- CWARN("Attempt to destroy OSS object when nlink == %d\n",
- la->la_nlink);
- RETURN(0);
- }
-
- ma->ma_lmm_size = mdd_lov_mdsize(env, mdd);
- ma->ma_lmm = mdd_max_lmm_get(env, mdd);
- ma->ma_cookie_size = mdd_lov_cookiesize(env, mdd);
- ma->ma_cookie = mdd_max_cookie_get(env, mdd);
- if (ma->ma_lmm == NULL || ma->ma_cookie == NULL)
- RETURN(rc = -ENOMEM);
-
- /* get lov ea */
-
- rc = mdd_get_md(env, obj, ma->ma_lmm, &ma->ma_lmm_size,
- XATTR_NAME_LOV);
-
- if (rc <= 0) {
- CWARN("Get lov ea failed for "DFID" rc = %d\n",
- PFID(mdo2fid(obj)), rc);
- if (rc == 0)
- rc = -ENOENT;
- RETURN(rc);
- }
-
- ma->ma_valid = MA_LOV;
-
- rc = mdd_unlink_log(env, mdd, obj, ma);
- if (rc) {
- CWARN("mds unlink log for "DFID" failed: %d\n",
- PFID(mdo2fid(obj)), rc);
- RETURN(rc);
- }
-
- if (ma->ma_valid & MA_COOKIE)
- rc = mdd_lovobj_unlink(env, mdd, obj, la,
- ma->ma_lmm, ma->ma_lmm_size,
- ma->ma_cookie, 1);
- RETURN(rc);
-}
-
-int mdd_unlink_log(const struct lu_env *env, struct mdd_device *mdd,
- struct mdd_object *mdd_cobj, struct md_attr *ma)
-{
- LASSERT(ma->ma_valid & MA_LOV);
-
- if ((ma->ma_cookie_size > 0) &&
- (mds_log_op_unlink(mdd2obd_dev(mdd), ma->ma_lmm, ma->ma_lmm_size,
- ma->ma_cookie, ma->ma_cookie_size) > 0)) {
- CDEBUG(D_HA, "DEBUG: unlink log is added for object "DFID"\n",
- PFID(mdd_object_fid(mdd_cobj)));
- ma->ma_valid |= MA_COOKIE;
- }
- return 0;
-}
-
-int mdd_log_op_setattr(struct obd_device *obd, __u32 uid, __u32 gid,
- struct lov_mds_md *lmm, int lmm_size,
- struct llog_cookie *logcookies, int cookies_size)
-{
- struct mds_obd *mds = &obd->u.mds;
- struct lov_stripe_md *lsm = NULL;
- struct llog_setattr64_rec *lsr;
- struct llog_ctxt *ctxt;
- int rc;
- ENTRY;
-
- if (IS_ERR(mds->mds_lov_obd))
- RETURN(PTR_ERR(mds->mds_lov_obd));
-
- rc = obd_unpackmd(mds->mds_lov_exp, &lsm, lmm, lmm_size);
- if (rc < 0)
- RETURN(rc);
-
- OBD_ALLOC(lsr, sizeof(*lsr));
- if (!lsr)
- GOTO(out, rc = -ENOMEM);
-
- /* prepare setattr log record */
- lsr->lsr_hdr.lrh_len = lsr->lsr_tail.lrt_len = sizeof(*lsr);
- lsr->lsr_hdr.lrh_type = MDS_SETATTR64_REC;
- lsr->lsr_uid = uid;
- lsr->lsr_gid = gid;
-
- /* write setattr log */
- ctxt = llog_get_context(obd, LLOG_MDS_OST_ORIG_CTXT);
- rc = llog_add(ctxt, &lsr->lsr_hdr, lsm, logcookies,
- cookies_size / sizeof(struct llog_cookie));
-
- llog_ctxt_put(ctxt);
-
- OBD_FREE(lsr, sizeof(*lsr));
- out:
- obd_free_memmd(mds->mds_lov_exp, &lsm);
- RETURN(rc);
-}
-
-int mdd_setattr_log(const struct lu_env *env, struct mdd_device *mdd,
- const struct md_attr *ma,
- struct lov_mds_md *lmm, int lmm_size,
- struct llog_cookie *logcookies, int cookies_size)
-{
- struct obd_device *obd = mdd2obd_dev(mdd);
-
- /* journal chown/chgrp in llog, just like unlink */
- if (lmm_size > 0) {
- CDEBUG(D_INFO, "setattr llog for uid/gid=%lu/%lu\n",
- (unsigned long)ma->ma_attr.la_uid,
- (unsigned long)ma->ma_attr.la_gid);
- return mdd_log_op_setattr(obd, ma->ma_attr.la_uid,
- ma->ma_attr.la_gid, lmm,
- lmm_size, logcookies,
- cookies_size);
- } else
- return 0;
-}
-
-static int mdd_osc_setattr_async(struct obd_device *obd, __u32 uid, __u32 gid,
- struct lov_mds_md *lmm, int lmm_size,
- struct llog_cookie *logcookies, __u64 id, __u32 gen,
- struct obd_capa *oc)
-{
- struct mds_obd *mds = &obd->u.mds;
- struct obd_trans_info oti = { 0 };
- struct obd_info oinfo = { { { 0 } } };
- int rc;
- ENTRY;
-
- if (OBD_FAIL_CHECK(OBD_FAIL_MDS_OST_SETATTR))
- RETURN(0);
-
- /* first get memory EA */
- OBDO_ALLOC(oinfo.oi_oa);
- if (!oinfo.oi_oa)
- RETURN(-ENOMEM);
-
- LASSERT(lmm);
-
- rc = obd_unpackmd(mds->mds_lov_exp, &oinfo.oi_md, lmm, lmm_size);
- if (rc < 0) {
- CERROR("Error unpack md %p for inode "LPU64"\n", lmm, id);
- GOTO(out, rc);
- }
-
- /* then fill oa */
- oinfo.oi_oa->o_uid = uid;
- oinfo.oi_oa->o_gid = gid;
- oinfo.oi_oa->o_id = oinfo.oi_md->lsm_object_id;
- oinfo.oi_oa->o_gr = oinfo.oi_md->lsm_object_gr;
- oinfo.oi_oa->o_valid |= OBD_MD_FLID | OBD_MD_FLGROUP |
- OBD_MD_FLUID | OBD_MD_FLGID;
- if (logcookies) {
- oinfo.oi_oa->o_valid |= OBD_MD_FLCOOKIE;
- oti.oti_logcookies = logcookies;
- }
-
- oinfo.oi_oa->o_fid = id;
- oinfo.oi_oa->o_generation = gen;
- oinfo.oi_oa->o_valid |= OBD_MD_FLFID | OBD_MD_FLGENER;
- oinfo.oi_capa = oc;
-
- /* do async setattr from mds to ost not waiting for responses. */
- rc = obd_setattr_async(mds->mds_lov_exp, &oinfo, &oti, NULL);
- if (rc)
- CDEBUG(D_INODE, "mds to ost setattr objid 0x"LPX64
- " on ost error %d\n", oinfo.oi_md->lsm_object_id, rc);
-out:
- if (oinfo.oi_md)
- obd_free_memmd(mds->mds_lov_exp, &oinfo.oi_md);
- OBDO_FREE(oinfo.oi_oa);
- RETURN(rc);
-}
-
-int mdd_lov_setattr_async(const struct lu_env *env, struct mdd_object *obj,
- struct lov_mds_md *lmm, int lmm_size,
- struct llog_cookie *logcookies)
-{
- struct mdd_device *mdd = mdo2mdd(&obj->mod_obj);
- struct obd_device *obd = mdd2obd_dev(mdd);
- struct lu_attr *tmp_la = &mdd_env_info(env)->mti_la;
- const struct lu_fid *fid = mdd_object_fid(obj);
- int rc = 0;
- ENTRY;
-
- mdd_read_lock(env, obj, MOR_TGT_CHILD);
- rc = mdo_attr_get(env, obj, tmp_la, mdd_object_capa(env, obj));
- mdd_read_unlock(env, obj);
- if (rc)
- RETURN(rc);
-
- rc = mdd_osc_setattr_async(obd, tmp_la->la_uid, tmp_la->la_gid, lmm,
- lmm_size, logcookies, fid_seq(fid),
- fid_oid(fid), NULL);
- RETURN(rc);
-}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff