X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fmdd%2Fmdd_lov.c;h=d05c902c14ba46ca7f2c99f95cb36f9383add0ac;hb=665e36b780faa2144cecccd29a0d8a8196a76903;hp=cb7a68bbc6de89d65ed8440c76787e9a70a79234;hpb=d387061f1d9a4c169b67567d51b6ac42a82de490;p=fs%2Flustre-release.git diff --git a/lustre/mdd/mdd_lov.c b/lustre/mdd/mdd_lov.c index cb7a68b..d05c902 100644 --- a/lustre/mdd/mdd_lov.c +++ b/lustre/mdd/mdd_lov.c @@ -1,31 +1,46 @@ /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- * vim:expandtab:shiftwidth=8:tabstop=8: * - * lustre/mdd/mdd_lov.c - * Lustre Metadata Server (mds) handling of striped file data + * GPL HEADER START * - * Copyright (C) 2001-2006 Cluster File Systems, Inc. - * Author: Peter Braam - * wangdi + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * - * This file is part of the Lustre file system, http://www.lustre.org - * Lustre is a trademark of Cluster File Systems, Inc. + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 only, + * as published by the Free Software Foundation. * - * You may have signed or agreed to another license before downloading - * this software. If so, you are bound by the terms and conditions - * of that agreement, and the following does not apply to you. See the - * LICENSE file included with this distribution for more information. + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License version 2 for more details (a copy is included + * in the LICENSE file that accompanied this code). * - * If you did not agree to a different license, then this copy of Lustre - * is open source software; you can redistribute it and/or modify it - * under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. + * You should have received a copy of the GNU General Public License + * version 2 along with this program; If not, see + * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf * - * In either case, Lustre is distributed in the hope that it will be - * useful, but WITHOUT ANY WARRANTY; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * license text for more details. + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + * GPL HEADER END + */ +/* + * Copyright 2008 Sun Microsystems, Inc. All rights reserved + * Use is subject to license terms. */ +/* + * This file is part of Lustre, http://www.lustre.org/ + * Lustre is a trademark of Sun Microsystems, Inc. + * + * lustre/mdd/mdd_lov.c + * + * Lustre Metadata Server (mds) handling of striped file data + * + * Author: Peter Braam + * Author: wangdi + */ + #ifndef EXPORT_SYMTAB # define EXPORT_SYMTAB #endif @@ -250,12 +265,11 @@ static int mdd_lov_set_dir_md(const struct lu_env *env, LASSERT(S_ISDIR(mdd_object_type(obj))); lum = (struct lov_user_md*)buf->lb_buf; - /* if { size, offset, count } = { 0, -1, 0 } (i.e. all default + /* 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)) || - /* lmm_stripe_size == -1 is deprecated in 1.4.6 */ - lum->lmm_stripe_size == (typeof(lum->lmm_stripe_size))(-1)){ + 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, MDS_LOV_MD_NAME, 0, handle); if (rc == -ENODATA) @@ -279,7 +293,8 @@ int mdd_lsm_sanity_check(const struct lu_env *env, struct mdd_object *obj) if (rc) RETURN(rc); - if ((uc->mu_fsuid != tmp_la->la_uid) && !mdd_capable(uc, CAP_FOWNER)) + 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); @@ -308,7 +323,7 @@ int mdd_lov_set_md(const struct lu_env *env, struct mdd_object *pobj, 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(*lmm); + int size = sizeof(struct lov_mds_md_v3); /* Get parent dir stripe and set */ if (pobj != NULL) @@ -342,9 +357,42 @@ static obd_id mdd_lov_create_id(const struct lu_fid *fid) return fid_flatten(fid); } +static void mdd_lov_update_objids(struct obd_device *obd, struct lov_mds_md *lmm) +{ + struct mds_obd *mds = &obd->u.mds; + int j; + struct lov_ost_data_v1 *lmm_objects; + ENTRY; + + /* if we create file without objects - lmm is NULL */ + if (lmm == NULL) + return; + + if (le32_to_cpu(lmm->lmm_magic) == LOV_MAGIC_V3) + lmm_objects = ((struct lov_mds_md_v3 *)lmm)->lmm_objects; + else + lmm_objects = lmm->lmm_objects; + + for (j = 0; j < le32_to_cpu(lmm->lmm_stripe_count); j++) { + int i = le32_to_cpu(lmm_objects[j].l_ost_idx); + obd_id id = le64_to_cpu(lmm_objects[j].l_object_id); + int page = i / OBJID_PER_PAGE(); + int idx = i % OBJID_PER_PAGE(); + obd_id *data = mds->mds_lov_page_array[page]; + + CDEBUG(D_INODE,"update last object for ost %d - new %llu" + " old %llu\n", i, id, data[idx]); + if (id > data[idx]) { + data[idx] = id; + cfs_bitmap_set(mds->mds_lov_page_dirty, page); + } + } + EXIT; +} + void mdd_lov_objid_update(struct mdd_device *mdd, struct lov_mds_md *lmm) { - mds_lov_update_objids(mdd->mdd_obd_dev, lmm); + mdd_lov_update_objids(mdd->mdd_obd_dev, lmm); } void mdd_lov_create_finish(const struct lu_env *env, struct mdd_device *mdd, @@ -612,6 +660,43 @@ int mdd_lov_destroy(const struct lu_env *env, struct mdd_device *mdd, RETURN(rc); } +int mdd_log_op_unlink(struct obd_device *obd, + 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_unlink_rec *lur; + struct llog_ctxt *ctxt; + int rc; + ENTRY; + + if (IS_ERR(mds->mds_osc_obd)) + RETURN(PTR_ERR(mds->mds_osc_obd)); + + rc = obd_unpackmd(mds->mds_osc_exp, &lsm, lmm, lmm_size); + if (rc < 0) + RETURN(rc); + rc = obd_checkmd(mds->mds_osc_exp, obd->obd_self_export, lsm); + if (rc) + GOTO(out, rc); + /* first prepare unlink log record */ + OBD_ALLOC(lur, sizeof(*lur)); + if (!lur) + GOTO(out, rc = -ENOMEM); + lur->lur_hdr.lrh_len = lur->lur_tail.lrt_len = sizeof(*lur); + lur->lur_hdr.lrh_type = MDS_UNLINK_REC; + + ctxt = llog_get_context(obd, LLOG_MDS_OST_ORIG_CTXT); + rc = llog_add(ctxt, &lur->lur_hdr, lsm, logcookies, + cookies_size / sizeof(struct llog_cookie)); + llog_ctxt_put(ctxt); + + OBD_FREE(lur, sizeof(*lur)); +out: + obd_free_memmd(mds->mds_osc_exp, &lsm); + RETURN(rc); +} int mdd_unlink_log(const struct lu_env *env, struct mdd_device *mdd, struct mdd_object *mdd_cobj, struct md_attr *ma) @@ -621,13 +706,58 @@ int mdd_unlink_log(const struct lu_env *env, struct mdd_device *mdd, LASSERT(ma->ma_valid & MA_LOV); if ((ma->ma_cookie_size > 0) && - (mds_log_op_unlink(obd, ma->ma_lmm, ma->ma_lmm_size, + (mdd_log_op_unlink(obd, ma->ma_lmm, ma->ma_lmm_size, ma->ma_cookie, ma->ma_cookie_size) > 0)) { 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_setattr_rec *lsr; + struct llog_ctxt *ctxt; + int rc; + ENTRY; + + if (IS_ERR(mds->mds_osc_obd)) + RETURN(PTR_ERR(mds->mds_osc_obd)); + + rc = obd_unpackmd(mds->mds_osc_exp, &lsm, lmm, lmm_size); + if (rc < 0) + RETURN(rc); + + rc = obd_checkmd(mds->mds_osc_exp, obd->obd_self_export, lsm); + if (rc) + GOTO(out, 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_SETATTR_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_osc_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, @@ -640,7 +770,7 @@ int mdd_setattr_log(const struct lu_env *env, struct mdd_device *mdd, 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 mds_log_op_setattr(obd, ma->ma_attr.la_uid, + return mdd_log_op_setattr(obd, ma->ma_attr.la_uid, ma->ma_attr.la_gid, lmm, lmm_size, logcookies, cookies_size); @@ -648,6 +778,68 @@ int mdd_setattr_log(const struct lu_env *env, struct mdd_device *mdd, 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_osc_exp, &oinfo.oi_md, lmm, lmm_size); + if (rc < 0) { + CERROR("Error unpack md %p for inode "LPU64"\n", lmm, id); + GOTO(out, rc); + } + + rc = obd_checkmd(mds->mds_osc_exp, obd->obd_self_export, oinfo.oi_md); + if (rc) { + CERROR("Error revalidate lsm %p \n", oinfo.oi_md); + 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_osc_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_osc_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) @@ -670,7 +862,7 @@ int mdd_lov_setattr_async(const struct lu_env *env, struct mdd_object *obj, if (IS_ERR(oc)) oc = NULL; - rc = mds_osc_setattr_async(obd, tmp_la->la_uid, tmp_la->la_gid, lmm, + rc = mdd_osc_setattr_async(obd, tmp_la->la_uid, tmp_la->la_gid, lmm, lmm_size, logcookies, fid_seq(fid), fid_oid(fid), oc); @@ -678,4 +870,3 @@ int mdd_lov_setattr_async(const struct lu_env *env, struct mdd_object *obj, RETURN(rc); } -