X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fllite%2Fllite_lib.c;h=906e978016c3faaba1abcd62c4283826e01e0fca;hb=d2fa1e4266926cc5cdf46be8da77227e626119b5;hp=e64c5da1a09a78c5743be809b9939a9f36e18128;hpb=a85b25f04f6ba5bb45c116927c9e5d0e4639dc97;p=fs%2Flustre-release.git diff --git a/lustre/llite/llite_lib.c b/lustre/llite/llite_lib.c index e64c5da..906e978 100644 --- a/lustre/llite/llite_lib.c +++ b/lustre/llite/llite_lib.c @@ -24,26 +24,272 @@ #define DEBUG_SUBSYSTEM S_LLITE #include +#include #include #include + #include #include #include -#include -#include #include +#include #include "llite_internal.h" kmem_cache_t *ll_file_data_slab; extern struct address_space_operations ll_aops; extern struct address_space_operations ll_dir_aops; -extern struct super_operations ll_super_operations; #ifndef log2 #define log2(n) ffz(~(n)) #endif +struct ll_sb_info *lustre_init_sbi(struct super_block *sb) +{ + struct ll_sb_info *sbi = NULL; + class_uuid_t uuid; + ENTRY; + + OBD_ALLOC(sbi, sizeof(*sbi)); + if (!sbi) + RETURN(NULL); + + spin_lock_init(&sbi->ll_lock); + INIT_LIST_HEAD(&sbi->ll_pglist); + sbi->ll_pglist_gen = 0; + sbi->ll_max_read_ahead_pages = SBI_DEFAULT_RA_MAX; + INIT_LIST_HEAD(&sbi->ll_conn_chain); + INIT_HLIST_HEAD(&sbi->ll_orphan_dentry_list); + INIT_LIST_HEAD(&sbi->ll_mnt_list); + sema_init(&sbi->ll_gns_sem, 1); + init_completion(&sbi->ll_gns_completion); + sbi->ll_gns_state = LL_GNS_STATE_IDLE; + sbi->ll_gns_timer.data = (unsigned long)sbi; + sbi->ll_gns_timer.function = ll_gns_timer_callback; + init_timer(&sbi->ll_gns_timer); + INIT_LIST_HEAD(&sbi->ll_gns_sbi_head); + + ll_set_sbi(sb, sbi); + + generate_random_uuid(uuid); + class_uuid_unparse(uuid, &sbi->ll_sb_uuid); + RETURN(sbi); +} + +void lustre_free_sbi(struct super_block *sb) +{ + struct ll_sb_info *sbi = ll_s2sbi(sb); + ENTRY; + + if (sbi != NULL) { + list_del(&sbi->ll_gns_sbi_head); + del_timer(&sbi->ll_gns_timer); + OBD_FREE(sbi, sizeof(*sbi)); + } + ll_set_sbi(sb, NULL); + EXIT; +} + +int lustre_init_ea_size(struct ll_sb_info *sbi) +{ + struct lov_desc desc; + int rc, valsize; + + /* OSC may have larger ea size */ + valsize = sizeof(desc); + rc = obd_get_info(sbi->ll_osc_exp, strlen("lovdesc") + 1, "lovdesc", + &valsize, &desc); + if (rc) + RETURN(rc); + obd_init_ea_size(sbi->ll_mdc_exp, obd_size_diskmd(sbi->ll_osc_exp, NULL), + desc.ld_tgt_count*sizeof(struct llog_cookie)); + + RETURN(rc); +} + +int lustre_common_fill_super(struct super_block *sb, char *mdc, char *osc) +{ + struct inode *root = 0; + struct ll_sb_info *sbi = ll_s2sbi(sb); + struct obd_device *obd; + struct ll_fid rootfid; + struct obd_statfs osfs; + struct ptlrpc_request *request = NULL; + struct lustre_handle osc_conn = {0, }; + struct lustre_handle mdc_conn = {0, }; + struct lustre_md md; + kdev_t devno; + int err; + + obd = class_name2obd(mdc); + if (!obd) { + CERROR("MDC %s: not setup or attached\n", mdc); + RETURN(-EINVAL); + } + + if (proc_lustre_fs_root) { + err = lprocfs_register_mountpoint(proc_lustre_fs_root, sb, + osc, mdc); + if (err < 0) + CERROR("could not register mount in /proc/lustre"); + } + + err = obd_connect(&mdc_conn, obd, &sbi->ll_sb_uuid, 0); + if (err == -EBUSY) { + CERROR("An MDS (mdc %s) is performing recovery, of which this" + " client is not a part. Please wait for recovery to " + "complete, abort, or time out.\n", mdc); + GOTO(out, err); + } else if (err) { + CERROR("cannot connect to %s: rc = %d\n", mdc, err); + GOTO(out, err); + } + sbi->ll_mdc_exp = class_conn2export(&mdc_conn); + + err = obd_statfs(obd, &osfs, jiffies - HZ); + if (err) + GOTO(out_mdc, err); + + LASSERT(osfs.os_bsize); + sb->s_blocksize = osfs.os_bsize; + sb->s_blocksize_bits = log2(osfs.os_bsize); + sb->s_magic = LL_SUPER_MAGIC; + sb->s_maxbytes = PAGE_CACHE_MAXBYTES; + + devno = get_uuid2int(sbi->ll_mdc_exp->exp_obd->obd_uuid.uuid, + strlen(sbi->ll_mdc_exp->exp_obd->obd_uuid.uuid)); + + sb->s_dev = devno; + + obd = class_name2obd(osc); + if (!obd) { + CERROR("OSC %s: not setup or attached\n", osc); + GOTO(out_mdc, err); + } + + err = obd_connect(&osc_conn, obd, &sbi->ll_sb_uuid, 0); + if (err == -EBUSY) { + CERROR("An OST (osc %s) is performing recovery, of which this" + " client is not a part. Please wait for recovery to " + "complete, abort, or time out.\n", osc); + GOTO(out, err); + } else if (err) { + CERROR("cannot connect to %s: rc = %d\n", osc, err); + GOTO(out_mdc, err); + } + sbi->ll_osc_exp = class_conn2export(&osc_conn); + + lustre_init_ea_size(sbi); + + err = md_getstatus(sbi->ll_mdc_exp, &rootfid); + if (err) { + CERROR("cannot mds_connect: rc = %d\n", err); + GOTO(out_osc, err); + } + CDEBUG(D_SUPER, "rootfid "LPU64"\n", rootfid.id); + sbi->ll_rootino = rootfid.id; + + sb->s_op = &lustre_super_operations; + + /* make root inode + * XXX: move this to after cbd setup? */ + err = md_getattr(sbi->ll_mdc_exp, &rootfid, + OBD_MD_FLNOTOBD | OBD_MD_FLBLOCKS, 0, &request); + if (err) { + CERROR("md_getattr failed for root: rc = %d\n", err); + GOTO(out_osc, err); + } + + err = mdc_req2lustre_md(sbi->ll_mdc_exp, request, 0, + sbi->ll_osc_exp, &md); + if (err) { + CERROR("failed to understand root inode md: rc = %d\n",err); + ptlrpc_req_finished (request); + GOTO(out_osc, err); + } + + LASSERT(sbi->ll_rootino != 0); + root = ll_iget(sb, sbi->ll_rootino, &md); + + ptlrpc_req_finished(request); + + if (root == NULL || is_bad_inode(root)) { + /* XXX might need iput() for bad inode */ + CERROR("lustre_lite: bad iget4 for root\n"); + GOTO(out_root, err = -EBADF); + } + + err = ll_close_thread_start(&sbi->ll_lcq); + if (err) { + CERROR("cannot start close thread: rc %d\n", err); + GOTO(out_root, err); + } + + ll_gns_add_timer(sbi); + + /* making vm readahead 0 for 2.4.x. In the case of 2.6.x, + backing dev info assigned to inode mapping is used for + determining maximal readahead. */ +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)) + /* bug 2805 - set VM readahead to zero */ + vm_max_readahead = vm_min_readahead = 0; +#endif + + sb->s_root = d_alloc_root(root); + +#ifdef S_PDIROPS + CWARN("Enabling PDIROPS\n"); + sb->s_flags |= S_PDIROPS; +#endif + + RETURN(err); + +out_root: + if (root) + iput(root); +out_osc: + obd_disconnect(sbi->ll_osc_exp, 0); +out_mdc: + obd_disconnect(sbi->ll_mdc_exp, 0); +out: + lprocfs_unregister_mountpoint(sbi); + RETURN(err); +} + +void lustre_common_put_super(struct super_block *sb) +{ + struct ll_sb_info *sbi = ll_s2sbi(sb); + struct hlist_node *tmp, *next; + ENTRY; + + ll_gns_del_timer(sbi); + + ll_close_thread_shutdown(sbi->ll_lcq); + + list_del(&sbi->ll_conn_chain); + obd_disconnect(sbi->ll_osc_exp, 0); + + lprocfs_unregister_mountpoint(sbi); + if (sbi->ll_proc_root) { + lprocfs_remove(sbi->ll_proc_root); + sbi->ll_proc_root = NULL; + } + + obd_disconnect(sbi->ll_mdc_exp, 0); + + // We do this to get rid of orphaned dentries. That is not really trw. + spin_lock(&dcache_lock); + hlist_for_each_safe(tmp, next, &sbi->ll_orphan_dentry_list) { + struct dentry *dentry = hlist_entry(tmp, struct dentry, d_hash); + CWARN("orphan dentry %*s (%p) at unmount\n", + dentry->d_name.len, dentry->d_name.name, dentry); + shrink_dcache_parent(dentry); + } + spin_unlock(&dcache_lock); + EXIT; +} + + char *ll_read_opt(const char *opt, char *data) { char *value; @@ -79,7 +325,8 @@ int ll_set_opt(const char *opt, char *data, int fl) RETURN(fl); } -void ll_options(char *options, char **ost, char **mds, int *flags) +void ll_options(char *options, char **ost, char **mdc, int *flags, + char **clone_opts) { char *this_char; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)) @@ -100,185 +347,294 @@ void ll_options(char *options, char **ost, char **mds, int *flags) while ((this_char = strsep (&opt_ptr, ",")) != NULL) { #endif CDEBUG(D_SUPER, "this_char %s\n", this_char); - if ((!*ost && (*ost = ll_read_opt("osc", this_char)))|| - (!*mds && (*mds = ll_read_opt("mdc", this_char)))|| - (!(*flags & LL_SBI_NOLCK) && - ((*flags) = (*flags) | - ll_set_opt("nolock", this_char, LL_SBI_NOLCK)))) + if (!*ost && (*ost = ll_read_opt("osc", this_char))) + continue; + if (!*mdc && (*mdc = ll_read_opt("mdc", this_char))) + continue; + if (!*clone_opts && (*clone_opts = ll_read_opt("clone", + this_char))) + continue; + if (!(*flags & LL_SBI_NOLCK) && + ((*flags) = (*flags) | + ll_set_opt("nolock", this_char, + LL_SBI_NOLCK))) continue; } + EXIT; } void ll_lli_init(struct ll_inode_info *lli) { sema_init(&lli->lli_open_sem, 1); - spin_lock_init(&lli->lli_read_extent_lock); - INIT_LIST_HEAD(&lli->lli_read_extents); lli->lli_flags = 0; lli->lli_maxbytes = PAGE_CACHE_MAXBYTES; -#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) - ll_lldo_init(&lli->lli_dirty); - spin_lock_init(&lli->lli_pg_lock); - INIT_LIST_HEAD(&lli->lli_lc_item); - plist_init(&lli->lli_pl_read); - plist_init(&lli->lli_pl_write); - atomic_set(&lli->lli_in_writepages, 0); -#endif + spin_lock_init(&lli->lli_lock); + INIT_LIST_HEAD(&lli->lli_pending_write_llaps); + lli->lli_inode_magic = LLI_INODE_MAGIC; } int ll_fill_super(struct super_block *sb, void *data, int silent) { - struct inode *root = 0; - struct obd_device *obd; struct ll_sb_info *sbi; char *osc = NULL; char *mdc = NULL; + char *clone_opts = NULL; int err; - struct ll_fid rootfid; - struct obd_statfs osfs; - struct ptlrpc_request *request = NULL; - struct ptlrpc_connection *mdc_conn; - struct lustre_md md; - class_uuid_t uuid; - ENTRY; CDEBUG(D_VFSTRACE, "VFS Op: sb %p\n", sb); - OBD_ALLOC(sbi, sizeof(*sbi)); + + sbi = lustre_init_sbi(sb); if (!sbi) RETURN(-ENOMEM); - INIT_LIST_HEAD(&sbi->ll_conn_chain); -#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) - INIT_LIST_HEAD(&sbi->ll_orphan_dentry_list); - sb->u.generic_sbp = sbi; -#else - INIT_HLIST_HEAD(&sbi->ll_orphan_dentry_list); - spin_lock_init(&sbi->ll_iostats.fis_lock); - ll_s2sbi(sb) = sbi; -#endif - generate_random_uuid(uuid); - class_uuid_unparse(uuid, &sbi->ll_sb_uuid); - - ll_options(data, &osc, &mdc, &sbi->ll_flags); + sbi->ll_flags |= LL_SBI_READAHEAD; + ll_options(data, &osc, &mdc, &sbi->ll_flags, &clone_opts); if (!osc) { CERROR("no osc\n"); - GOTO(out_free, err = -EINVAL); + GOTO(out, err = -EINVAL); } if (!mdc) { CERROR("no mdc\n"); - GOTO(out_free, err = -EINVAL); + GOTO(out, err = -EINVAL); } - obd = class_name2obd(mdc); - if (!obd) { - CERROR("MDC %s: not setup or attached\n", mdc); - GOTO(out_free, err = -EINVAL); - } + err = lustre_common_fill_super(sb, mdc, osc); +out: + if (err) + lustre_free_sbi(sb); - err = obd_connect(&sbi->ll_mdc_conn, obd, &sbi->ll_sb_uuid); - if (err) { - CERROR("cannot connect to %s: rc = %d\n", mdc, err); - GOTO(out_free, err); - } + if (mdc) + OBD_FREE(mdc, strlen(mdc) + 1); + if (osc) + OBD_FREE(osc, strlen(osc) + 1); + if (clone_opts) + OBD_FREE(clone_opts, strlen(clone_opts) + 1); - err = obd_statfs(obd, &osfs, jiffies - HZ); - if (err) - GOTO(out_mdc, err); + RETURN(err); +} /* ll_read_super */ - LASSERT(osfs.os_bsize); - sb->s_blocksize = osfs.os_bsize; - sb->s_blocksize_bits = log2(osfs.os_bsize); - sb->s_magic = LL_SUPER_MAGIC; - sb->s_maxbytes = PAGE_CACHE_MAXBYTES; +static int lustre_process_log(struct lustre_mount_data *lmd, char *profile, + struct config_llog_instance *cfg, int allow_recov) +{ + struct lustre_cfg lcfg; + struct portals_cfg pcfg; + char * peer = "MDS_PEER_UUID"; + struct obd_device *obd; + struct lustre_handle mdc_conn = {0, }; + struct obd_export *exp; + char * name = "mdc_dev"; + class_uuid_t uuid; + struct obd_uuid mdc_uuid; + struct llog_ctxt *ctxt; + int rc = 0; + int err; + ENTRY; - mdc_conn = sbi2mdc(sbi)->cl_import->imp_connection; + if (lmd_bad_magic(lmd)) + RETURN(-EINVAL); - obd = class_name2obd(osc); - if (!obd) { - CERROR("OSC %s: not setup or attached\n", osc); - GOTO(out_mdc, err); + generate_random_uuid(uuid); + class_uuid_unparse(uuid, &mdc_uuid); + + if (lmd->lmd_local_nid) { + PCFG_INIT(pcfg, NAL_CMD_REGISTER_MYNID); + pcfg.pcfg_nal = lmd->lmd_nal; + pcfg.pcfg_nid = lmd->lmd_local_nid; + err = libcfs_nal_cmd(&pcfg); + if (err <0) + GOTO(out, err); } - err = obd_connect(&sbi->ll_osc_conn, obd, &sbi->ll_sb_uuid); - if (err) { - CERROR("cannot connect to %s: rc = %d\n", osc, err); - GOTO(out_mdc, err); + if (lmd->lmd_nal == SOCKNAL) { + PCFG_INIT(pcfg, NAL_CMD_ADD_AUTOCONN); + pcfg.pcfg_nal = lmd->lmd_nal; + pcfg.pcfg_nid = lmd->lmd_server_nid; + pcfg.pcfg_id = lmd->lmd_server_ipaddr; + pcfg.pcfg_misc = lmd->lmd_port; + pcfg.pcfg_size = 8388608; + pcfg.pcfg_flags = 0x4; /*share*/ + err = libcfs_nal_cmd(&pcfg); + if (err <0) + GOTO(out, err); } - err = mdc_getstatus(&sbi->ll_mdc_conn, &rootfid); + LCFG_INIT(lcfg, LCFG_ADD_UUID, name); + lcfg.lcfg_nid = lmd->lmd_server_nid; + lcfg.lcfg_inllen1 = strlen(peer) + 1; + lcfg.lcfg_inlbuf1 = peer; + lcfg.lcfg_nal = lmd->lmd_nal; + err = class_process_config(&lcfg); + if (err < 0) + GOTO(out_del_conn, err); + + LCFG_INIT(lcfg, LCFG_ATTACH, name); + lcfg.lcfg_inlbuf1 = "mdc"; + lcfg.lcfg_inllen1 = strlen(lcfg.lcfg_inlbuf1) + 1; + lcfg.lcfg_inlbuf2 = mdc_uuid.uuid; + lcfg.lcfg_inllen2 = strlen(lcfg.lcfg_inlbuf2) + 1; + err = class_process_config(&lcfg); + if (err < 0) + GOTO(out_del_uuid, err); + + LCFG_INIT(lcfg, LCFG_SETUP, name); + lcfg.lcfg_inlbuf1 = lmd->lmd_mds; + lcfg.lcfg_inllen1 = strlen(lcfg.lcfg_inlbuf1) + 1; + lcfg.lcfg_inlbuf2 = peer; + lcfg.lcfg_inllen2 = strlen(lcfg.lcfg_inlbuf2) + 1; + err = class_process_config(&lcfg); + if (err < 0) + GOTO(out_detach, err); + + obd = class_name2obd(name); + if (obd == NULL) + GOTO(out_cleanup, err = -EINVAL); + + /* Disable initial recovery on this import */ + err = obd_set_info(obd->obd_self_export, + strlen("initial_recov"), "initial_recov", + sizeof(allow_recov), &allow_recov); + if (err) + GOTO(out_cleanup, err); + + err = obd_connect(&mdc_conn, obd, &mdc_uuid, 0); if (err) { - CERROR("cannot mds_connect: rc = %d\n", err); - GOTO(out_osc, err); + CERROR("cannot connect to %s: rc = %d\n", lmd->lmd_mds, err); + GOTO(out_cleanup, err); } - CDEBUG(D_SUPER, "rootfid "LPU64"\n", rootfid.id); - sbi->ll_rootino = rootfid.id; - sb->s_op = &ll_super_operations; + exp = class_conn2export(&mdc_conn); - /* make root inode - * XXX: move this to after cbd setup? */ - err = mdc_getattr(&sbi->ll_mdc_conn, &rootfid, - OBD_MD_FLNOTOBD|OBD_MD_FLBLOCKS, 0, &request); - if (err) { - CERROR("mdc_getattr failed for root: rc = %d\n", err); - GOTO(out_osc, err); + ctxt = llog_get_context(&exp->exp_obd->obd_llogs,LLOG_CONFIG_REPL_CTXT); + rc = class_config_process_llog(ctxt, profile, cfg); + if (rc) + CERROR("class_config_process_llog failed: rc = %d\n", rc); + + err = obd_disconnect(exp, 0); + +out_cleanup: + LCFG_INIT(lcfg, LCFG_CLEANUP, name); + err = class_process_config(&lcfg); + if (err < 0) + GOTO(out, err); + +out_detach: + LCFG_INIT(lcfg, LCFG_DETACH, name); + err = class_process_config(&lcfg); + if (err < 0) + GOTO(out, err); + +out_del_uuid: + LCFG_INIT(lcfg, LCFG_DEL_UUID, name); + lcfg.lcfg_inllen1 = strlen(peer) + 1; + lcfg.lcfg_inlbuf1 = peer; + err = class_process_config(&lcfg); + +out_del_conn: + if (lmd->lmd_nal == SOCKNAL) { + PCFG_INIT(pcfg, NAL_CMD_DEL_AUTOCONN); + pcfg.pcfg_nal = lmd->lmd_nal; + pcfg.pcfg_nid = lmd->lmd_server_nid; + pcfg.pcfg_id = lmd->lmd_server_ipaddr; + pcfg.pcfg_flags = 1; /*share*/ + err = libcfs_nal_cmd(&pcfg); + if (err <0) + GOTO(out, err); } +out: + if (rc == 0) + rc = err; - /* initialize committed transaction callback daemon */ - spin_lock_init(&sbi->ll_commitcbd_lock); - init_waitqueue_head(&sbi->ll_commitcbd_waitq); - init_waitqueue_head(&sbi->ll_commitcbd_ctl_waitq); - sbi->ll_commitcbd_flags = 0; - err = ll_commitcbd_setup(sbi); - if (err) { - CERROR("failed to start commit callback daemon: rc = %d\n",err); - ptlrpc_req_finished (request); - GOTO(out_lliod, err); - } + RETURN(rc); +} - err = mdc_req2lustre_md(request, 0, &sbi->ll_osc_conn, &md); - if (err) { - CERROR("failed to understand root inode md: rc = %d\n",err); - ptlrpc_req_finished (request); - GOTO(out_lliod, err); - } +int lustre_fill_super(struct super_block *sb, void *data, int silent) +{ + struct lustre_mount_data * lmd = data; + struct ll_sb_info *sbi; + char *osc = NULL; + char *mdc = NULL; + int err; + ENTRY; - LASSERT(sbi->ll_rootino != 0); -#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) - root = iget4(sb, sbi->ll_rootino, NULL, &md); -#else - root = ll_iget(sb, sbi->ll_rootino, &md); -#endif + CDEBUG(D_VFSTRACE, "VFS Op: sb %p\n", sb); + if (lmd_bad_magic(lmd)) + RETURN(-EINVAL); - ptlrpc_req_finished(request); + sbi = lustre_init_sbi(sb); + if (!sbi) + RETURN(-ENOMEM); - if (root == NULL || is_bad_inode(root)) { - /* XXX might need iput() for bad inode */ - CERROR("lustre_lite: bad iget4 for root\n"); - GOTO(out_cbd, err = -EBADF); + sbi->ll_flags |= LL_SBI_READAHEAD; + + if (lmd->lmd_profile) { + struct lustre_profile *lprof; + struct config_llog_instance cfg; + int len; + + if (lmd->lmd_mds[0] == '\0') { + CERROR("no mds name\n"); + GOTO(out_free, err = -EINVAL); + } + + OBD_ALLOC(sbi->ll_lmd, sizeof(*sbi->ll_lmd)); + if (sbi->ll_lmd == NULL) + GOTO(out_free, err = -ENOMEM); + memcpy(sbi->ll_lmd, lmd, sizeof(*lmd)); + + /* generate a string unique to this super, let's try + the address of the super itself.*/ + len = (sizeof(sb) * 2) + 1; + OBD_ALLOC(sbi->ll_instance, len); + if (sbi->ll_instance == NULL) + GOTO(out_free, err = -ENOMEM); + sprintf(sbi->ll_instance, "%p", sb); + + cfg.cfg_instance = sbi->ll_instance; + cfg.cfg_uuid = sbi->ll_sb_uuid; + cfg.cfg_local_nid = lmd->lmd_local_nid; + err = lustre_process_log(lmd, lmd->lmd_profile, &cfg, 0); + if (err < 0) { + CERROR("Unable to process log: %s\n", lmd->lmd_profile); + GOTO(out_free, err); + } + + lprof = class_get_profile(lmd->lmd_profile); + if (lprof == NULL) { + CERROR("No profile found: %s\n", lmd->lmd_profile); + GOTO(out_free, err = -EINVAL); + } + if (osc) + OBD_FREE(osc, strlen(osc) + 1); + OBD_ALLOC(osc, strlen(lprof->lp_osc) + + strlen(sbi->ll_instance) + 2); + sprintf(osc, "%s-%s", lprof->lp_osc, sbi->ll_instance); + + if (mdc) + OBD_FREE(mdc, strlen(mdc) + 1); + OBD_ALLOC(mdc, strlen(lprof->lp_mdc) + + strlen(sbi->ll_instance) + 2); + sprintf(mdc, "%s-%s", lprof->lp_mdc, sbi->ll_instance); } -#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) - /* initialize the pagecache writeback thread */ - err = lliod_start(sbi, root); - if (err) { - CERROR("failed to start lliod: rc = %d\n",err); - GOTO(out_root, sb = NULL); + if (!osc) { + CERROR("no osc\n"); + GOTO(out_free, err = -EINVAL); } -#endif - sb->s_root = d_alloc_root(root); - if (proc_lustre_fs_root) { - err = lprocfs_register_mountpoint(proc_lustre_fs_root, sb, - osc, mdc); - if (err < 0) - CERROR("could not register mount in /proc/lustre"); + if (!mdc) { + CERROR("no mdc\n"); + GOTO(out_free, err = -EINVAL); } + err = lustre_common_fill_super(sb, mdc, osc); + + if (err) + GOTO(out_free, err); + out_dev: if (mdc) OBD_FREE(mdc, strlen(mdc) + 1); @@ -287,256 +643,251 @@ out_dev: RETURN(err); -#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) -out_root: - iput(root); -#endif -out_cbd: - ll_commitcbd_cleanup(sbi); -out_lliod: -#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) - lliod_stop(sbi); -#endif -out_osc: - obd_disconnect(&sbi->ll_osc_conn, 0); -out_mdc: - obd_disconnect(&sbi->ll_mdc_conn, 0); out_free: - lprocfs_unregister_mountpoint(sbi); - OBD_FREE(sbi, sizeof(*sbi)); + if (sbi->ll_lmd) { + int len = strlen(sbi->ll_lmd->lmd_profile) + sizeof("-clean")+1; + int err; + + if (sbi->ll_instance != NULL) { + struct lustre_mount_data *lmd = sbi->ll_lmd; + char * cln_prof; + struct config_llog_instance cfg; + + cfg.cfg_instance = sbi->ll_instance; + cfg.cfg_uuid = sbi->ll_sb_uuid; + + OBD_ALLOC(cln_prof, len); + sprintf(cln_prof, "%s-clean", lmd->lmd_profile); + + err = lustre_process_log(lmd, cln_prof, &cfg, 0); + if (err < 0) + CERROR("Unable to process log: %s\n", cln_prof); + OBD_FREE(cln_prof, len); + OBD_FREE(sbi->ll_instance, strlen(sbi->ll_instance)+ 1); + } + OBD_FREE(sbi->ll_lmd, sizeof(*sbi->ll_lmd)); + } + lustre_free_sbi(sb); goto out_dev; -} /* ll_read_super */ +} /* lustre_fill_super */ + +static void lustre_manual_cleanup(struct ll_sb_info *sbi) +{ + struct lustre_cfg lcfg; + struct obd_device *obd; + int next = 0; + + while ((obd = class_devices_in_group(&sbi->ll_sb_uuid, &next)) != NULL) + { + int err; + + LCFG_INIT(lcfg, LCFG_CLEANUP, obd->obd_name); + err = class_process_config(&lcfg); + if (err) { + CERROR("cleanup failed: %s\n", obd->obd_name); + //continue; + } + + LCFG_INIT(lcfg, LCFG_DETACH, obd->obd_name); + err = class_process_config(&lcfg); + if (err) { + CERROR("detach failed: %s\n", obd->obd_name); + //continue; + } + } + + if (sbi->ll_lmd != NULL) + class_del_profile(sbi->ll_lmd->lmd_profile); +} -void ll_put_super(struct super_block *sb) +void lustre_put_super(struct super_block *sb) { + struct obd_device *obd; struct ll_sb_info *sbi = ll_s2sbi(sb); -#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) - struct obd_device *obd = class_conn2obd(&sbi->ll_mdc_conn); - struct list_head *tmp, *next; -#else - struct hlist_node *tmp, *next; -#endif - struct ll_fid rootfid; + int force_umount = 0; ENTRY; CDEBUG(D_VFSTRACE, "VFS Op: sb %p\n", sb); - list_del(&sbi->ll_conn_chain); - ll_commitcbd_cleanup(sbi); -#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) - lliod_stop(sbi); -#endif - obd_disconnect(&sbi->ll_osc_conn, 0); + obd = class_exp2obd(sbi->ll_mdc_exp); + if (obd) + force_umount = obd->obd_no_recov; + obd = NULL; + + lustre_common_put_super(sb); + if (sbi->ll_lmd != NULL) { + char * cln_prof; + int len = strlen(sbi->ll_lmd->lmd_profile) + sizeof("-clean")+1; + int err; + struct config_llog_instance cfg; - /* NULL request to force sync on the MDS, and get the last_committed - * value to flush remaining RPCs from the sending queue on client. - * - * XXX This should be an mdc_sync() call to sync the whole MDS fs, - * which we can call for other reasons as well. - */ -#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) - if (!obd->obd_no_recov) -#endif - mdc_getstatus(&sbi->ll_mdc_conn, &rootfid); + if (force_umount) { + CERROR("force umount, doing manual cleanup\n"); + lustre_manual_cleanup(sbi); + GOTO(free_lmd, 0); + } - lprocfs_unregister_mountpoint(sbi); - if (sbi->ll_proc_root) { - lprocfs_remove(sbi->ll_proc_root); - sbi->ll_proc_root = NULL; - } + cfg.cfg_instance = sbi->ll_instance; + cfg.cfg_uuid = sbi->ll_sb_uuid; - obd_disconnect(&sbi->ll_mdc_conn, 0); + OBD_ALLOC(cln_prof, len); + sprintf(cln_prof, "%s-clean", sbi->ll_lmd->lmd_profile); - spin_lock(&dcache_lock); -#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) - list_for_each_safe(tmp, next, &sbi->ll_orphan_dentry_list) { - struct dentry *dentry = list_entry(tmp, struct dentry, d_hash); - shrink_dcache_parent(dentry); - } -#else - hlist_for_each_safe(tmp, next, &sbi->ll_orphan_dentry_list) { - struct dentry *dentry = hlist_entry(tmp, struct dentry, d_hash); - shrink_dcache_parent(dentry); + err = lustre_process_log(sbi->ll_lmd, cln_prof, &cfg, 0); + if (err < 0) { + CERROR("Unable to process log: %s, doing manual cleanup" + "\n", cln_prof); + lustre_manual_cleanup(sbi); + } + + OBD_FREE(cln_prof, len); + free_lmd: + OBD_FREE(sbi->ll_lmd, sizeof(*sbi->ll_lmd)); + OBD_FREE(sbi->ll_instance, strlen(sbi->ll_instance) + 1); } -#endif - spin_unlock(&dcache_lock); - OBD_FREE(sbi, sizeof(*sbi)); + lustre_free_sbi(sb); EXIT; -} /* ll_put_super */ +} /* lustre_put_super */ -void ll_clear_inode(struct inode *inode) +int ll_process_config_update(struct ll_sb_info *sbi, int clean) { - struct ll_sb_info *sbi = ll_i2sbi(inode); - struct ll_inode_info *lli = ll_i2info(inode); - int rc; + struct obd_export *mdc_exp = sbi->ll_mdc_exp; + struct lustre_mount_data *lmd = sbi->ll_lmd; + struct llog_ctxt *ctxt; + struct config_llog_instance cfg; + char *profile = lmd->lmd_profile, *name = NULL; + int rc, namelen = 0, version; ENTRY; - CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p)\n", inode->i_ino, - inode->i_generation, inode); - rc = ll_mdc_cancel_unused(&sbi->ll_mdc_conn, inode, - LDLM_FL_WARN | LDLM_FL_NO_CALLBACK, inode); - if (rc < 0) { - CERROR("ll_mdc_cancel_unused: %d\n", rc); - /* XXX FIXME do something dramatic */ + if (profile == NULL) + RETURN(0); + if (lmd == NULL) { + CERROR("Client not mounted with zero-conf; cannot process " + "update log.\n"); + RETURN(0); } - if (atomic_read(&inode->i_count) != 0) - CERROR("clearing in-use inode %lu: count = %d\n", - inode->i_ino, atomic_read(&inode->i_count)); + rc = ldlm_cli_cancel_unused(mdc_exp->exp_obd->obd_namespace, NULL, + LDLM_FL_CONFIG_CHANGE, NULL); + if (rc != 0) + CWARN("ldlm_cli_cancel_unused(mdc): %d\n", rc); - if (lli->lli_smd) { - rc = obd_cancel_unused(&sbi->ll_osc_conn, lli->lli_smd, - LDLM_FL_WARN, inode); - if (rc < 0) { - CERROR("obd_cancel_unused: %d\n", rc); - /* XXX FIXME do something dramatic */ - } - obd_free_memmd(&sbi->ll_osc_conn, &lli->lli_smd); - lli->lli_smd = NULL; - } + rc = obd_cancel_unused(sbi->ll_osc_exp, NULL, LDLM_FL_CONFIG_CHANGE, + NULL); + if (rc != 0) + CWARN("obd_cancel_unused(lov): %d\n", rc); - if (lli->lli_symlink_name) { - OBD_FREE(lli->lli_symlink_name, - strlen(lli->lli_symlink_name) + 1); - lli->lli_symlink_name = NULL; + cfg.cfg_instance = sbi->ll_instance; + cfg.cfg_uuid = sbi->ll_sb_uuid; + cfg.cfg_local_nid = lmd->lmd_local_nid; + + namelen = strlen(profile) + 20; /* -clean-######### */ + OBD_ALLOC(name, namelen); + if (name == NULL) + RETURN(-ENOMEM); + + if (clean) { + version = sbi->ll_config_version - 1; + sprintf(name, "%s-clean-%d", profile, version); + } else { + version = sbi->ll_config_version + 1; + sprintf(name, "%s-%d", profile, version); } - EXIT; + CWARN("Applying configuration log %s\n", name); + + ctxt = llog_get_context(&mdc_exp->exp_obd->obd_llogs, + LLOG_CONFIG_REPL_CTXT); + rc = class_config_process_llog(ctxt, name, &cfg); + if (rc == 0) + sbi->ll_config_version = version; + CWARN("Finished applying configuration log %s: %d\n", name, rc); + + if (rc == 0 && clean == 0) { + struct lov_desc desc; + int rc, valsize; + valsize = sizeof(desc); + rc = obd_get_info(sbi->ll_osc_exp, strlen("lovdesc") + 1, + "lovdesc", &valsize, &desc); + + rc = obd_init_ea_size(mdc_exp, + obd_size_diskmd(sbi->ll_osc_exp, NULL), + (desc.ld_tgt_count * + sizeof(struct llog_cookie))); + } + OBD_FREE(name, namelen); + RETURN(rc); } -#if 0 -static void ll_delete_inode(struct inode *inode) +struct inode *ll_inode_from_lock(struct ldlm_lock *lock) { - ENTRY; - CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu(%p)\n", inode->i_ino, inode); - if (S_ISREG(inode->i_mode)) { - int err; - struct obdo *oa; - struct lov_stripe_md *lsm = ll_i2info(inode)->lli_smd; - - /* mcreate with no open */ - if (!lsm) - GOTO(out, 0); - - if (lsm->lsm_object_id == 0) { - CERROR("This really happens\n"); - /* No obdo was ever created */ - GOTO(out, 0); + struct inode *inode = NULL; + l_lock(&lock->l_resource->lr_namespace->ns_lock); + if (lock->l_ast_data) { + struct ll_inode_info *lli = ll_i2info(lock->l_ast_data); + if (lli->lli_inode_magic == LLI_INODE_MAGIC) { + inode = igrab(lock->l_ast_data); + } else { + CERROR("DEBUG: l_ast_data %p is bogus: magic %x\n", + lock->l_ast_data, lli->lli_inode_magic); } - - oa = obdo_alloc(); - if (oa == NULL) - GOTO(out, -ENOMEM); - - oa->o_id = lsm->lsm_object_id; - oa->o_valid = OBD_MD_FLID; - obdo_from_inode(oa, inode, OBD_MD_FLTYPE); - - err = obd_destroy(ll_i2obdconn(inode), oa, lsm, NULL); - obdo_free(oa); - if (err) - CDEBUG(D_INODE, - "inode %lu obd_destroy objid "LPX64" error %d\n", - inode->i_ino, lsm->lsm_object_id, err); } -out: - clear_inode(inode); - EXIT; + l_unlock(&lock->l_resource->lr_namespace->ns_lock); + return inode; } -#endif -/* like inode_setattr, but doesn't mark the inode dirty */ -int ll_attr2inode(struct inode *inode, struct iattr *attr, int trunc) +int null_if_equal(struct ldlm_lock *lock, void *data) { - unsigned int ia_valid = attr->ia_valid; - int error = 0; + if (data == lock->l_ast_data) { + lock->l_ast_data = NULL; - if ((ia_valid & ATTR_SIZE) && trunc) { - if (attr->ia_size > ll_file_maxbytes(inode)) { - error = -EFBIG; - goto out; - } - error = vmtruncate(inode, attr->ia_size); - if (error) - goto out; - } else if (ia_valid & ATTR_SIZE) - inode->i_size = attr->ia_size; - - if (ia_valid & ATTR_UID) - inode->i_uid = attr->ia_uid; - if (ia_valid & ATTR_GID) - inode->i_gid = attr->ia_gid; - if (ia_valid & ATTR_ATIME) - inode->i_atime = attr->ia_atime; - if (ia_valid & ATTR_MTIME) - inode->i_mtime = attr->ia_mtime; - if (ia_valid & ATTR_CTIME) - inode->i_ctime = attr->ia_ctime; - if (ia_valid & ATTR_MODE) { - inode->i_mode = attr->ia_mode; - if (!in_group_p(inode->i_gid) && !capable(CAP_FSETID)) - inode->i_mode &= ~S_ISGID; + if (lock->l_req_mode != lock->l_granted_mode) + LDLM_ERROR(lock,"clearing inode with ungranted lock\n"); } -out: - return error; + + return LDLM_ITER_CONTINUE; } -int ll_inode_setattr(struct inode *inode, struct iattr *attr, int do_trunc) +void ll_clear_inode(struct inode *inode) { - struct ptlrpc_request *request = NULL; + struct ll_fid fid; + struct ll_inode_info *lli = ll_i2info(inode); struct ll_sb_info *sbi = ll_i2sbi(inode); - int err = 0; ENTRY; - /* change incore inode */ - err = ll_attr2inode(inode, attr, do_trunc); - if (err) - RETURN(err); + CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p)\n", inode->i_ino, + inode->i_generation, inode); - /* Don't send size changes to MDS to avoid "fast EA" problems, and - * also avoid a pointless RPC (we get file size from OST anyways). - */ - attr->ia_valid &= ~ATTR_SIZE; - if (attr->ia_valid) { - struct mdc_op_data op_data; + lli->lli_inode_magic = LLI_INODE_DEAD; + ll_inode2fid(&fid, inode); + clear_bit(LLI_F_HAVE_MDS_SIZE_LOCK, &(ll_i2info(inode)->lli_flags)); + md_change_cbdata(sbi->ll_mdc_exp, &fid, null_if_equal, inode); - ll_prepare_mdc_op_data(&op_data, inode, NULL, NULL, 0, 0); - err = mdc_setattr(&sbi->ll_mdc_conn, &op_data, - attr, NULL, 0, NULL, 0, &request); - if (err) - CERROR("mdc_setattr fails: err = %d\n", err); + if (lli->lli_smd) + obd_change_cbdata(sbi->ll_osc_exp, lli->lli_smd, + null_if_equal, inode); - ptlrpc_req_finished(request); - if (S_ISREG(inode->i_mode) && attr->ia_valid & ATTR_MTIME_SET) { - struct lov_stripe_md *lsm = ll_i2info(inode)->lli_smd; - struct obdo oa; - int err2; + if (lli->lli_smd) { + obd_free_memmd(sbi->ll_osc_exp, &lli->lli_smd); + lli->lli_smd = NULL; + } -#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) - CDEBUG(D_INODE, "set mtime on OST inode %lu to %lu\n", - inode->i_ino, attr->ia_mtime); - oa.o_mtime = attr->ia_mtime; -#else - CDEBUG(D_INODE, "set mtime on OST inode %lu to " - LPU64"\n", inode->i_ino, - ll_ts2u64(&attr->ia_mtime)); - oa.o_mtime = ll_ts2u64(&attr->ia_mtime); -#endif - oa.o_id = lsm->lsm_object_id; - oa.o_mode = S_IFREG; - oa.o_valid = OBD_MD_FLID |OBD_MD_FLTYPE |OBD_MD_FLMTIME; - err2 = obd_setattr(&sbi->ll_osc_conn, &oa, lsm, NULL); - if (err2) { - CERROR("obd_setattr fails: rc=%d\n", err); - if (!err) - err = err2; - } - } + if (lli->lli_mea) { + /* FIXME: change cbdata for mea here */ + obd_free_memmd(sbi->ll_mdc_exp, + (struct lov_stripe_md **) &lli->lli_mea); + lli->lli_mea = NULL; } - RETURN(err); + if (lli->lli_symlink_name) { + OBD_FREE(lli->lli_symlink_name, + strlen(lli->lli_symlink_name) + 1); + lli->lli_symlink_name = NULL; + } + + EXIT; } /* If this inode has objects allocated to it (lsm != NULL), then the OST @@ -552,24 +903,18 @@ int ll_inode_setattr(struct inode *inode, struct iattr *attr, int do_trunc) * I don't believe it is possible to get e.g. ATTR_MTIME_SET and ATTR_SIZE * at the same time. */ -#define OST_ATTR (ATTR_MTIME | ATTR_MTIME_SET | ATTR_CTIME | \ - ATTR_ATIME | ATTR_ATIME_SET | ATTR_SIZE) int ll_setattr_raw(struct inode *inode, struct iattr *attr) { struct lov_stripe_md *lsm = ll_i2info(inode)->lli_smd; struct ll_sb_info *sbi = ll_i2sbi(inode); struct ptlrpc_request *request = NULL; struct mdc_op_data op_data; - time_t now = LTIME_S(CURRENT_TIME); int ia_valid = attr->ia_valid; int rc = 0; ENTRY; CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu\n", inode->i_ino); - -#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) lprocfs_counter_incr(ll_i2sbi(inode)->ll_stats, LPROC_LL_SETATTR); -#endif if (ia_valid & ATTR_SIZE) { if (attr->ia_size > ll_file_maxbytes(inode)) { @@ -581,52 +926,63 @@ int ll_setattr_raw(struct inode *inode, struct iattr *attr) attr->ia_valid |= ATTR_MTIME | ATTR_CTIME; } + /* POSIX: check before ATTR_*TIME_SET set (from inode_change_ok) */ + if (ia_valid & (ATTR_MTIME_SET | ATTR_ATIME_SET)) { + if (current->fsuid != inode->i_uid && !capable(CAP_FOWNER)) + RETURN(-EPERM); + } + /* We mark all of the fields "set" so MDS/OST does not re-set them */ if (attr->ia_valid & ATTR_CTIME) { - attr->ia_ctime = now; + attr->ia_ctime = CURRENT_TIME; attr->ia_valid |= ATTR_CTIME_SET; } if (!(ia_valid & ATTR_ATIME_SET) && (attr->ia_valid & ATTR_ATIME)) { - attr->ia_atime = now; + attr->ia_atime = CURRENT_TIME; attr->ia_valid |= ATTR_ATIME_SET; } if (!(ia_valid & ATTR_MTIME_SET) && (attr->ia_valid & ATTR_MTIME)) { - attr->ia_mtime = now; + attr->ia_mtime = CURRENT_TIME; attr->ia_valid |= ATTR_MTIME_SET; } if (attr->ia_valid & (ATTR_MTIME | ATTR_CTIME)) CDEBUG(D_INODE, "setting mtime %lu, ctime %lu, now = %lu\n", - attr->ia_mtime, attr->ia_ctime, now); + LTIME_S(attr->ia_mtime), LTIME_S(attr->ia_ctime), + LTIME_S(CURRENT_TIME)); if (lsm) attr->ia_valid &= ~ATTR_SIZE; /* If only OST attributes being set on objects, don't do MDS RPC. * In that case, we need to check permissions and update the local * inode ourselves so we can call obdo_from_inode() always. */ - if (ia_valid & (lsm ? ~(OST_ATTR | ATTR_FROM_OPEN | ATTR_RAW) : ~0)) { + if (ia_valid & (lsm ? ~(ATTR_SIZE | ATTR_FROM_OPEN | ATTR_RAW) : ~0)) { struct lustre_md md; ll_prepare_mdc_op_data(&op_data, inode, NULL, NULL, 0, 0); - rc = mdc_setattr(&sbi->ll_mdc_conn, &op_data, - attr, NULL, 0, NULL, 0, &request); - + rc = md_setattr(sbi->ll_mdc_exp, &op_data, + attr, NULL, 0, NULL, 0, &request); if (rc) { ptlrpc_req_finished(request); if (rc != -EPERM && rc != -EACCES) - CERROR("mdc_setattr fails: rc = %d\n", rc); + CERROR("md_setattr fails: rc = %d\n", rc); RETURN(rc); } - rc = mdc_req2lustre_md(request, 0, &sbi->ll_osc_conn, &md); + rc = mdc_req2lustre_md(sbi->ll_mdc_exp, request, 0, + sbi->ll_osc_exp, &md); if (rc) { ptlrpc_req_finished(request); RETURN(rc); } - ll_update_inode(inode, md.body, md.lsm); + + /* Won't invoke vmtruncate as we already cleared ATTR_SIZE, + * but needed to set timestamps backwards on utime. */ + inode_setattr(inode, attr); + ll_update_inode(inode, &md); ptlrpc_req_finished(request); - if (!md.lsm || !S_ISREG(inode->i_mode)) { + if (!lsm || !S_ISREG(inode->i_mode)) { CDEBUG(D_INODE, "no lsm: not setting attrs on OST\n"); RETURN(0); } @@ -639,13 +995,13 @@ int ll_setattr_raw(struct inode *inode, struct iattr *attr) /* from sys_utime() */ if (!(ia_valid & (ATTR_MTIME_SET | ATTR_ATIME_SET))) { if (current->fsuid != inode->i_uid && - (rc = permission(inode, MAY_WRITE)) != 0) + (rc=ll_permission(inode,MAY_WRITE,NULL))!=0) RETURN(rc); } else { - /* from inode_change_ok() */ - if (current->fsuid != inode->i_uid && - !capable(CAP_FOWNER)) - RETURN(-EPERM); + /* from inode_change_ok() */ + if (current->fsuid != inode->i_uid && + !capable(CAP_FOWNER)) + RETURN(-EPERM); } } @@ -653,39 +1009,41 @@ int ll_setattr_raw(struct inode *inode, struct iattr *attr) inode_setattr(inode, attr); } + /* We really need to get our PW lock before we change inode->i_size. + * If we don't we can race with other i_size updaters on our node, like + * ll_file_read. We can also race with i_size propogation to other + * nodes through dirtying and writeback of final cached pages. This + * last one is especially bad for racing o_append users on other + * nodes. */ if (ia_valid & ATTR_SIZE) { - struct ldlm_extent extent = { .start = attr->ia_size, - .end = OBD_OBJECT_EOF }; + ldlm_policy_data_t policy = { .l_extent = {attr->ia_size, + OBD_OBJECT_EOF } }; struct lustre_handle lockh = { 0 }; - int err; - - /* Writeback uses inode->i_size to determine how far out - * its cached pages go. ll_truncate gets a PW lock, canceling - * our lock, _after_ it has updated i_size. this can confuse - * - * We really need to get our PW lock before we change - * inode->i_size. If we don't we can race with other - * i_size updaters on our node, like ll_file_read. We - * can also race with i_size propogation to other - * nodes through dirtying and writeback of final cached - * pages. This last one is especially bad for racing - * o_append users on other nodes. */ - rc = ll_extent_lock_no_validate(NULL, inode, lsm, LCK_PW, - &extent, &lockh); - if (rc != ELDLM_OK) { - if (rc > 0) - RETURN(-ENOLCK); + int err, ast_flags = 0; + /* XXX when we fix the AST intents to pass the discard-range + * XXX extent, make ast_flags always LDLM_AST_DISCARD_DATA + * XXX here. */ + if (attr->ia_size == 0) + ast_flags = LDLM_AST_DISCARD_DATA; + + /* bug 1639: avoid write/truncate i_sem/DLM deadlock */ + LASSERT(atomic_read(&inode->i_sem.count) <= 0); + up(&inode->i_sem); + rc = ll_extent_lock(NULL, inode, lsm, LCK_PW, &policy, &lockh, + ast_flags); + down(&inode->i_sem); + if (rc != 0) RETURN(rc); - } rc = vmtruncate(inode, attr->ia_size); - if (rc == 0) - set_bit(LLI_F_HAVE_SIZE_LOCK, - &ll_i2info(inode)->lli_flags); + /* We need to drop the semaphore here, because this unlock may + * result in a cancellation, which will need the i_sem */ + up(&inode->i_sem); /* unlock now as we don't mind others file lockers racing with * the mds updates below? */ err = ll_extent_unlock(NULL, inode, lsm, LCK_PW, &lockh); + down(&inode->i_sem); if (err) { CERROR("ll_extent_unlock failed: %d\n", err); if (!rc) @@ -695,12 +1053,13 @@ int ll_setattr_raw(struct inode *inode, struct iattr *attr) struct obdo oa; CDEBUG(D_INODE, "set mtime on OST inode %lu to %lu\n", - inode->i_ino, attr->ia_mtime); + inode->i_ino, LTIME_S(attr->ia_mtime)); oa.o_id = lsm->lsm_object_id; - oa.o_valid = OBD_MD_FLID; + oa.o_gr = lsm->lsm_object_gr; + oa.o_valid = OBD_MD_FLID | OBD_MD_FLGROUP; obdo_from_inode(&oa, inode, OBD_MD_FLTYPE | OBD_MD_FLATIME | OBD_MD_FLMTIME | OBD_MD_FLCTIME); - rc = obd_setattr(&sbi->ll_osc_conn, &oa, lsm, NULL); + rc = obd_setattr(sbi->ll_osc_exp, &oa, lsm, NULL); if (rc) CERROR("obd_setattr fails: rc=%d\n", rc); } @@ -709,13 +1068,8 @@ int ll_setattr_raw(struct inode *inode, struct iattr *attr) int ll_setattr(struct dentry *de, struct iattr *attr) { - int rc = inode_change_ok(de->d_inode, attr); - CDEBUG(D_VFSTRACE, "VFS Op:name=%s\n", de->d_name.name); - if (rc) - return rc; - - lprocfs_counter_incr(ll_i2sbi(de->d_inode)->ll_stats, LPROC_LL_SETATTR); - return ll_inode_setattr(de->d_inode, attr, 1); + LBUG(); /* code is unused, but leave this in case of VFS changes */ + RETURN(-ENOSYS); } int ll_statfs_internal(struct super_block *sb, struct obd_statfs *osfs, @@ -726,16 +1080,18 @@ int ll_statfs_internal(struct super_block *sb, struct obd_statfs *osfs, int rc; ENTRY; - rc = obd_statfs(class_conn2obd(&sbi->ll_mdc_conn), osfs, max_age); + rc = obd_statfs(class_exp2obd(sbi->ll_mdc_exp), osfs, max_age); if (rc) { CERROR("mdc_statfs fails: rc = %d\n", rc); RETURN(rc); } + osfs->os_type = sb->s_magic; + CDEBUG(D_SUPER, "MDC blocks "LPU64"/"LPU64" objects "LPU64"/"LPU64"\n", osfs->os_bavail, osfs->os_blocks, osfs->os_ffree,osfs->os_files); - rc = obd_statfs(class_conn2obd(&sbi->ll_osc_conn), &obd_osfs, max_age); + rc = obd_statfs(class_exp2obd(sbi->ll_osc_exp), &obd_osfs, max_age); if (rc) { CERROR("obd_statfs fails: rc = %d\n", rc); RETURN(rc); @@ -796,28 +1152,25 @@ int ll_statfs(struct super_block *sb, struct kstatfs *sfs) return 0; } -void dump_lsm(int level, struct lov_stripe_md *lsm) -{ - CDEBUG(level, "objid "LPX64", maxbytes "LPX64", magic %#08x, " - "stripe_size %#08x, offset %u, stripe_count %u\n", - lsm->lsm_object_id, lsm->lsm_maxbytes, lsm->lsm_magic, - lsm->lsm_stripe_size, lsm->lsm_stripe_offset, - lsm->lsm_stripe_count); -} - -void ll_update_inode(struct inode *inode, struct mds_body *body, - struct lov_stripe_md *lsm) +void ll_update_inode(struct inode *inode, struct lustre_md *md) { struct ll_inode_info *lli = ll_i2info(inode); + struct mds_body *body = md->body; + struct lov_stripe_md *lsm = md->lsm; + struct mea *mea = md->mea; + ENTRY; - LASSERT ((lsm != NULL) == ((body->valid & OBD_MD_FLEASIZE) != 0)); + LASSERT((lsm != NULL) == ((body->valid & OBD_MD_FLEASIZE) != 0)); + LASSERT((mea != NULL) == ((body->valid & OBD_MD_FLDIREA) != 0)); if (lsm != NULL) { + LASSERT(lsm->lsm_object_gr > 0); if (lli->lli_smd == NULL) { lli->lli_smd = lsm; lli->lli_maxbytes = lsm->lsm_maxbytes; if (lli->lli_maxbytes > PAGE_CACHE_MAXBYTES) lli->lli_maxbytes = PAGE_CACHE_MAXBYTES; } else { + int i; if (memcmp(lli->lli_smd, lsm, sizeof(*lsm))) { CERROR("lsm mismatch for inode %ld\n", inode->i_ino); @@ -827,16 +1180,54 @@ void ll_update_inode(struct inode *inode, struct mds_body *body, dump_lsm(D_ERROR, lsm); LBUG(); } + /* XXX FIXME -- We should decide on a safer (atomic) and + * more elegant way to update the lsm */ + for (i = 0; i < lsm->lsm_stripe_count; i++) { + lli->lli_smd->lsm_oinfo[i].loi_id = + lsm->lsm_oinfo[i].loi_id; + lli->lli_smd->lsm_oinfo[i].loi_gr = + lsm->lsm_oinfo[i].loi_gr; + lli->lli_smd->lsm_oinfo[i].loi_ost_idx = + lsm->lsm_oinfo[i].loi_ost_idx; + lli->lli_smd->lsm_oinfo[i].loi_ost_gen = + lsm->lsm_oinfo[i].loi_ost_gen; + } + } + /* bug 2844 - limit i_blksize for broken user-space apps */ + LASSERTF(lsm->lsm_xfersize != 0, "%lu\n", lsm->lsm_xfersize); + inode->i_blksize = min(lsm->lsm_xfersize, LL_MAX_BLKSIZE); + if (lli->lli_smd != lsm) + obd_free_memmd(ll_i2obdexp(inode), &lsm); + } + + if (mea != NULL) { + if (lli->lli_mea == NULL) { + lli->lli_mea = mea; + } else { + if (memcmp(lli->lli_mea, mea, body->eadatasize)) { + CERROR("mea mismatch for inode %lu\n", + inode->i_ino); + LBUG(); + } } + if (lli->lli_mea != mea) + obd_free_memmd(ll_i2mdcexp(inode), + (struct lov_stripe_md **) &mea); + } if (body->valid & OBD_MD_FLID) inode->i_ino = body->ino; if (body->valid & OBD_MD_FLATIME) LTIME_S(inode->i_atime) = body->atime; - if (body->valid & OBD_MD_FLMTIME) + if (body->valid & OBD_MD_FLMTIME && + body->mtime > LTIME_S(inode->i_mtime)) { + CDEBUG(D_INODE, "setting ino %lu mtime from %lu to %u\n", + inode->i_ino, LTIME_S(inode->i_mtime), body->mtime); LTIME_S(inode->i_mtime) = body->mtime; - if (body->valid & OBD_MD_FLCTIME) + } + if (body->valid & OBD_MD_FLCTIME && + body->ctime > LTIME_S(inode->i_ctime)) LTIME_S(inode->i_ctime) = body->ctime; if (body->valid & OBD_MD_FLMODE) inode->i_mode = (inode->i_mode & S_IFMT)|(body->mode & ~S_IFMT); @@ -856,14 +1247,28 @@ void ll_update_inode(struct inode *inode, struct mds_body *body, #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) inode->i_rdev = body->rdev; #else - inode->i_rdev = to_kdev_t(body->rdev); + inode->i_rdev = old_decode_dev(body->rdev); #endif if (body->valid & OBD_MD_FLSIZE) inode->i_size = body->size; if (body->valid & OBD_MD_FLBLOCKS) inode->i_blocks = body->blocks; + + if (body->valid & OBD_MD_FLSIZE) + set_bit(LLI_F_HAVE_MDS_SIZE_LOCK, &lli->lli_flags); + + lli->lli_mds = body->mds; + inode->i_dev = (kdev_t) body->mds; + LASSERT(body->mds < 1000); } +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)) +static struct backing_dev_info ll_backing_dev_info = { + .ra_pages = 0, /* No readahead */ + .memory_backed = 0, /* Does contribute to dirty memory */ +}; +#endif + void ll_read_inode2(struct inode *inode, void *opaque) { struct lustre_md *md = opaque; @@ -877,8 +1282,16 @@ void ll_read_inode2(struct inode *inode, void *opaque) LASSERT(!lli->lli_smd); - /* core attributes from the MDS first */ - ll_update_inode(inode, md->body, md->lsm); + /* Core attributes from the MDS first. This is a new inode, and + * the VFS doesn't zero times in the core inode so we have to do + * it ourselves. They will be overwritten by either MDS or OST + * attributes - we just need to make sure they aren't newer. */ + LTIME_S(inode->i_mtime) = 0; + LTIME_S(inode->i_atime) = 0; + LTIME_S(inode->i_ctime) = 0; + + inode->i_rdev = 0; + ll_update_inode(inode, md); /* OIDEBUG(inode); */ @@ -897,24 +1310,154 @@ void ll_read_inode2(struct inode *inode, void *opaque) EXIT; } else { inode->i_op = &ll_special_inode_operations; + #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) - init_special_inode(inode, inode->i_mode, + init_special_inode(inode, inode->i_mode, kdev_t_to_nr(inode->i_rdev)); + + /* initializing backing dev info. */ + inode->i_mapping->backing_dev_info = &ll_backing_dev_info; #else init_special_inode(inode, inode->i_mode, inode->i_rdev); #endif + lli->ll_save_ifop = inode->i_fop; + + if (S_ISCHR(inode->i_mode)) + inode->i_fop = &ll_special_chr_inode_fops; + else if (S_ISBLK(inode->i_mode)) + inode->i_fop = &ll_special_blk_inode_fops; + else if (S_ISFIFO(inode->i_mode)) + inode->i_fop = &ll_special_fifo_inode_fops; + else if (S_ISSOCK(inode->i_mode)) + inode->i_fop = &ll_special_sock_inode_fops; + + CWARN("saved %p, replaced with %p\n", lli->ll_save_ifop, + inode->i_fop); + + if (lli->ll_save_ifop->owner) { + CWARN("%p has owner %p\n", lli->ll_save_ifop, + lli->ll_save_ifop->owner); + } EXIT; } } -int it_disposition(struct lookup_intent *it, int flag) +void ll_delete_inode(struct inode *inode) { - return it->it_disposition & flag; + int rc; + struct ll_fid fid; + struct ll_sb_info *sbi = ll_i2sbi(inode); + ENTRY; + + ll_inode2fid(&fid, inode); + + rc = md_delete_object(sbi->ll_mdc_exp, &fid); + if (rc) { + CERROR("md_delete_object() failed, error %d.\n", + rc); + } + + clear_inode(inode); + EXIT; } -void it_set_disposition(struct lookup_intent *it, int flag) +int ll_iocontrol(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg) { - it->it_disposition |= flag; + struct ll_sb_info *sbi = ll_i2sbi(inode); + struct ptlrpc_request *req = NULL; + int rc, flags = 0; + ENTRY; + + switch(cmd) { + case EXT3_IOC_GETFLAGS: { + struct ll_fid fid; + unsigned long valid = OBD_MD_FLFLAGS; + struct mds_body *body; + + ll_inode2fid(&fid, inode); + rc = md_getattr(sbi->ll_mdc_exp, &fid, valid, 0, &req); + if (rc) { + CERROR("failure %d inode %lu\n", rc, inode->i_ino); + RETURN(-abs(rc)); + } + + body = lustre_msg_buf(req->rq_repmsg, 0, sizeof(*body)); + + if (body->flags & S_APPEND) + flags |= EXT3_APPEND_FL; + if (body->flags & S_IMMUTABLE) + flags |= EXT3_IMMUTABLE_FL; + if (body->flags & S_NOATIME) + flags |= EXT3_NOATIME_FL; + + ptlrpc_req_finished (req); + + RETURN(put_user(flags, (int *)arg)); + } + case EXT3_IOC_SETFLAGS: { + struct mdc_op_data op_data; + struct iattr attr; + struct obdo *oa; + struct lov_stripe_md *lsm = ll_i2info(inode)->lli_smd; + + if (get_user(flags, (int *)arg)) + RETURN(-EFAULT); + + oa = obdo_alloc(); + if (!oa) + RETURN(-ENOMEM); + + ll_prepare_mdc_op_data(&op_data, inode, NULL, NULL, 0, 0); + + memset(&attr, 0x0, sizeof(attr)); + attr.ia_attr_flags = flags; + attr.ia_valid |= ATTR_ATTR_FLAG; + + rc = md_setattr(sbi->ll_mdc_exp, &op_data, + &attr, NULL, 0, NULL, 0, &req); + if (rc) { + ptlrpc_req_finished(req); + if (rc != -EPERM && rc != -EACCES) + CERROR("md_setattr fails: rc = %d\n", rc); + obdo_free(oa); + RETURN(rc); + } + ptlrpc_req_finished(req); + + oa->o_id = lsm->lsm_object_id; + oa->o_gr = lsm->lsm_object_gr; + oa->o_flags = flags; + oa->o_valid = OBD_MD_FLID | OBD_MD_FLFLAGS | OBD_MD_FLGROUP; + + rc = obd_setattr(sbi->ll_osc_exp, oa, lsm, NULL); + obdo_free(oa); + if (rc) { + if (rc != -EPERM && rc != -EACCES) + CERROR("md_setattr fails: rc = %d\n", rc); + RETURN(rc); + } + + if (flags & EXT3_APPEND_FL) + inode->i_flags |= S_APPEND; + else + inode->i_flags &= ~S_APPEND; + if (flags & EXT3_IMMUTABLE_FL) + inode->i_flags |= S_IMMUTABLE; + else + inode->i_flags &= ~S_IMMUTABLE; + if (flags & EXT3_NOATIME_FL) + inode->i_flags |= S_NOATIME; + else + inode->i_flags &= ~S_NOATIME; + + RETURN(0); + } + default: + RETURN(-ENOSYS); + } + + RETURN(0); } void ll_umount_begin(struct super_block *sb) @@ -925,20 +1468,27 @@ void ll_umount_begin(struct super_block *sb) ENTRY; CDEBUG(D_VFSTRACE, "VFS Op:\n"); - obd = class_conn2obd(&sbi->ll_mdc_conn); + obd = class_exp2obd(sbi->ll_mdc_exp); if (obd == NULL) { CERROR("Invalid MDC connection handle "LPX64"\n", - sbi->ll_mdc_conn.cookie); + sbi->ll_mdc_exp->exp_handle.h_cookie); EXIT; return; } obd->obd_no_recov = 1; - obd_iocontrol(IOC_OSC_SET_ACTIVE, &sbi->ll_mdc_conn, sizeof ioc_data, + obd_iocontrol(IOC_OSC_SET_ACTIVE, sbi->ll_mdc_exp, sizeof ioc_data, &ioc_data, NULL); - obd = class_conn2obd(&sbi->ll_osc_conn); + obd = class_exp2obd(sbi->ll_osc_exp); + if (obd == NULL) { + CERROR("Invalid LOV connection handle "LPX64"\n", + sbi->ll_osc_exp->exp_handle.h_cookie); + EXIT; + return; + } + obd->obd_no_recov = 1; - obd_iocontrol(IOC_OSC_SET_ACTIVE, &sbi->ll_osc_conn, sizeof ioc_data, + obd_iocontrol(IOC_OSC_SET_ACTIVE, sbi->ll_osc_exp, sizeof ioc_data, &ioc_data, NULL); /* Really, we'd like to wait until there are no requests outstanding, @@ -949,3 +1499,34 @@ void ll_umount_begin(struct super_block *sb) EXIT; } + +int ll_prep_inode(struct obd_export *osc_exp, struct obd_export *mdc_exp, + struct inode **inode, struct ptlrpc_request *req, + int offset, struct super_block *sb) +{ + struct lustre_md md; + int rc = 0; + + rc = mdc_req2lustre_md(mdc_exp, req, offset, osc_exp, &md); + if (rc) + RETURN(rc); + + if (*inode) { + ll_update_inode(*inode, &md); + } else { + LASSERT(sb); + *inode = ll_iget(sb, md.body->ino, &md); + if (*inode == NULL || is_bad_inode(*inode)) { + /* free the lsm if we allocated one above */ + if (md.lsm != NULL) + obd_free_memmd(osc_exp, &md.lsm); + if (md.mea != NULL) + obd_free_memmd(mdc_exp, + (struct lov_stripe_md**)&md.mea); + rc = -ENOMEM; + CERROR("new_inode -fatal: rc %d\n", rc); + } + } + + RETURN(rc); +}