diff options
Diffstat (limited to 'net/ceph/ceph_common.c')
| -rw-r--r-- | net/ceph/ceph_common.c | 204 |
1 files changed, 124 insertions, 80 deletions
diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c index afe0e8184c23..e734e57be083 100644 --- a/net/ceph/ceph_common.c +++ b/net/ceph/ceph_common.c @@ -190,41 +190,14 @@ int ceph_compare_options(struct ceph_options *new_opt, } EXPORT_SYMBOL(ceph_compare_options); -/* - * kvmalloc() doesn't fall back to the vmalloc allocator unless flags are - * compatible with (a superset of) GFP_KERNEL. This is because while the - * actual pages are allocated with the specified flags, the page table pages - * are always allocated with GFP_KERNEL. - * - * ceph_kvmalloc() may be called with GFP_KERNEL, GFP_NOFS or GFP_NOIO. - */ -void *ceph_kvmalloc(size_t size, gfp_t flags) -{ - void *p; - - if ((flags & (__GFP_IO | __GFP_FS)) == (__GFP_IO | __GFP_FS)) { - p = kvmalloc(size, flags); - } else if ((flags & (__GFP_IO | __GFP_FS)) == __GFP_IO) { - unsigned int nofs_flag = memalloc_nofs_save(); - p = kvmalloc(size, GFP_KERNEL); - memalloc_nofs_restore(nofs_flag); - } else { - unsigned int noio_flag = memalloc_noio_save(); - p = kvmalloc(size, GFP_KERNEL); - memalloc_noio_restore(noio_flag); - } - - return p; -} - -static int parse_fsid(const char *str, struct ceph_fsid *fsid) +int ceph_parse_fsid(const char *str, struct ceph_fsid *fsid) { int i = 0; char tmp[3]; int err = -EINVAL; int d; - dout("parse_fsid '%s'\n", str); + dout("%s '%s'\n", __func__, str); tmp[2] = 0; while (*str && i < 16) { if (ispunct(*str)) { @@ -244,15 +217,15 @@ static int parse_fsid(const char *str, struct ceph_fsid *fsid) if (i == 16) err = 0; - dout("parse_fsid ret %d got fsid %pU\n", err, fsid); + dout("%s ret %d got fsid %pU\n", __func__, err, fsid); return err; } +EXPORT_SYMBOL(ceph_parse_fsid); /* * ceph options */ enum { - Opt_osdtimeout, Opt_osdkeepalivetimeout, Opt_mount_timeout, Opt_osd_idle_ttl, @@ -265,6 +238,7 @@ enum { Opt_ip, Opt_crush_location, Opt_read_from_replica, + Opt_ms_mode, /* string args above */ Opt_share, Opt_crc, @@ -272,6 +246,7 @@ enum { Opt_cephx_sign_messages, Opt_tcp_nodelay, Opt_abort_on_full, + Opt_rxbounce, }; enum { @@ -287,9 +262,27 @@ static const struct constant_table ceph_param_read_from_replica[] = { {} }; +enum ceph_ms_mode { + Opt_ms_mode_legacy, + Opt_ms_mode_crc, + Opt_ms_mode_secure, + Opt_ms_mode_prefer_crc, + Opt_ms_mode_prefer_secure +}; + +static const struct constant_table ceph_param_ms_mode[] = { + {"legacy", Opt_ms_mode_legacy}, + {"crc", Opt_ms_mode_crc}, + {"secure", Opt_ms_mode_secure}, + {"prefer-crc", Opt_ms_mode_prefer_crc}, + {"prefer-secure", Opt_ms_mode_prefer_secure}, + {} +}; + static const struct fs_parameter_spec ceph_parameters[] = { fsparam_flag ("abort_on_full", Opt_abort_on_full), - fsparam_flag_no ("cephx_require_signatures", Opt_cephx_require_signatures), + __fsparam (NULL, "cephx_require_signatures", Opt_cephx_require_signatures, + fs_param_neg_with_no|fs_param_deprecated, NULL), fsparam_flag_no ("cephx_sign_messages", Opt_cephx_sign_messages), fsparam_flag_no ("crc", Opt_crc), fsparam_string ("crush_location", Opt_crush_location), @@ -301,10 +294,11 @@ static const struct fs_parameter_spec ceph_parameters[] = { fsparam_u32 ("osd_idle_ttl", Opt_osd_idle_ttl), fsparam_u32 ("osd_request_timeout", Opt_osd_request_timeout), fsparam_u32 ("osdkeepalive", Opt_osdkeepalivetimeout), - __fsparam (fs_param_is_s32, "osdtimeout", Opt_osdtimeout, - fs_param_deprecated, NULL), fsparam_enum ("read_from_replica", Opt_read_from_replica, ceph_param_read_from_replica), + fsparam_flag ("rxbounce", Opt_rxbounce), + fsparam_enum ("ms_mode", Opt_ms_mode, + ceph_param_ms_mode), fsparam_string ("secret", Opt_secret), fsparam_flag_no ("share", Opt_share), fsparam_flag_no ("tcp_nodelay", Opt_tcp_nodelay), @@ -332,6 +326,9 @@ struct ceph_options *ceph_alloc_options(void) opt->mount_timeout = CEPH_MOUNT_TIMEOUT_DEFAULT; opt->osd_idle_ttl = CEPH_OSD_IDLE_TTL_DEFAULT; opt->osd_request_timeout = CEPH_OSD_REQUEST_TIMEOUT_DEFAULT; + opt->read_from_replica = CEPH_READ_FROM_REPLICA_DEFAULT; + opt->con_modes[0] = CEPH_CON_MODE_UNKNOWN; + opt->con_modes[1] = CEPH_CON_MODE_UNKNOWN; return opt; } EXPORT_SYMBOL(ceph_alloc_options); @@ -401,14 +398,14 @@ out: } int ceph_parse_mon_ips(const char *buf, size_t len, struct ceph_options *opt, - struct fc_log *l) + struct fc_log *l, char delim) { struct p_log log = {.prefix = "libceph", .log = l}; int ret; - /* ip1[:port1][,ip2[:port2]...] */ + /* ip1[:port1][<delim>ip2[:port2]...] */ ret = ceph_parse_ips(buf, buf + len, opt->mon_addr, CEPH_MAX_MON, - &opt->num_mon); + &opt->num_mon, delim); if (ret) { error_plog(&log, "Failed to parse monitor IPs: %d", ret); return ret; @@ -434,8 +431,7 @@ int ceph_parse_param(struct fs_parameter *param, struct ceph_options *opt, case Opt_ip: err = ceph_parse_ips(param->string, param->string + param->size, - &opt->my_addr, - 1, NULL); + &opt->my_addr, 1, NULL, ','); if (err) { error_plog(&log, "Failed to parse ip: %d", err); return err; @@ -444,7 +440,7 @@ int ceph_parse_param(struct fs_parameter *param, struct ceph_options *opt, break; case Opt_fsid: - err = parse_fsid(param->string, &opt->fsid); + err = ceph_parse_fsid(param->string, &opt->fsid); if (err) { error_plog(&log, "Failed to parse fsid: %d", err); return err; @@ -490,25 +486,45 @@ int ceph_parse_param(struct fs_parameter *param, struct ceph_options *opt, case Opt_read_from_replica: switch (result.uint_32) { case Opt_read_from_replica_no: - opt->osd_req_flags &= ~(CEPH_OSD_FLAG_BALANCE_READS | - CEPH_OSD_FLAG_LOCALIZE_READS); + opt->read_from_replica = 0; break; case Opt_read_from_replica_balance: - opt->osd_req_flags |= CEPH_OSD_FLAG_BALANCE_READS; - opt->osd_req_flags &= ~CEPH_OSD_FLAG_LOCALIZE_READS; + opt->read_from_replica = CEPH_OSD_FLAG_BALANCE_READS; break; case Opt_read_from_replica_localize: - opt->osd_req_flags |= CEPH_OSD_FLAG_LOCALIZE_READS; - opt->osd_req_flags &= ~CEPH_OSD_FLAG_BALANCE_READS; + opt->read_from_replica = CEPH_OSD_FLAG_LOCALIZE_READS; break; default: BUG(); } break; - - case Opt_osdtimeout: - warn_plog(&log, "Ignoring osdtimeout"); + case Opt_ms_mode: + switch (result.uint_32) { + case Opt_ms_mode_legacy: + opt->con_modes[0] = CEPH_CON_MODE_UNKNOWN; + opt->con_modes[1] = CEPH_CON_MODE_UNKNOWN; + break; + case Opt_ms_mode_crc: + opt->con_modes[0] = CEPH_CON_MODE_CRC; + opt->con_modes[1] = CEPH_CON_MODE_UNKNOWN; + break; + case Opt_ms_mode_secure: + opt->con_modes[0] = CEPH_CON_MODE_SECURE; + opt->con_modes[1] = CEPH_CON_MODE_UNKNOWN; + break; + case Opt_ms_mode_prefer_crc: + opt->con_modes[0] = CEPH_CON_MODE_CRC; + opt->con_modes[1] = CEPH_CON_MODE_SECURE; + break; + case Opt_ms_mode_prefer_secure: + opt->con_modes[0] = CEPH_CON_MODE_SECURE; + opt->con_modes[1] = CEPH_CON_MODE_CRC; + break; + default: + BUG(); + } break; + case Opt_osdkeepalivetimeout: /* 0 isn't well defined right now, reject it */ if (result.uint_32 < 1 || result.uint_32 > INT_MAX / 1000) @@ -550,9 +566,9 @@ int ceph_parse_param(struct fs_parameter *param, struct ceph_options *opt, break; case Opt_cephx_require_signatures: if (!result.negated) - opt->flags &= ~CEPH_OPT_NOMSGAUTH; + warn_plog(&log, "Ignoring cephx_require_signatures"); else - opt->flags |= CEPH_OPT_NOMSGAUTH; + warn_plog(&log, "Ignoring nocephx_require_signatures, use nocephx_sign_messages"); break; case Opt_cephx_sign_messages: if (!result.negated) @@ -570,6 +586,9 @@ int ceph_parse_param(struct fs_parameter *param, struct ceph_options *opt, case Opt_abort_on_full: opt->flags |= CEPH_OPT_ABORT_ON_FULL; break; + case Opt_rxbounce: + opt->flags |= CEPH_OPT_RXBOUNCE; + break; default: BUG(); @@ -613,11 +632,26 @@ int ceph_print_client_options(struct seq_file *m, struct ceph_client *client, } seq_putc(m, ','); } - if (opt->osd_req_flags & CEPH_OSD_FLAG_BALANCE_READS) { + if (opt->read_from_replica == CEPH_OSD_FLAG_BALANCE_READS) { seq_puts(m, "read_from_replica=balance,"); - } else if (opt->osd_req_flags & CEPH_OSD_FLAG_LOCALIZE_READS) { + } else if (opt->read_from_replica == CEPH_OSD_FLAG_LOCALIZE_READS) { seq_puts(m, "read_from_replica=localize,"); } + if (opt->con_modes[0] != CEPH_CON_MODE_UNKNOWN) { + if (opt->con_modes[0] == CEPH_CON_MODE_CRC && + opt->con_modes[1] == CEPH_CON_MODE_UNKNOWN) { + seq_puts(m, "ms_mode=crc,"); + } else if (opt->con_modes[0] == CEPH_CON_MODE_SECURE && + opt->con_modes[1] == CEPH_CON_MODE_UNKNOWN) { + seq_puts(m, "ms_mode=secure,"); + } else if (opt->con_modes[0] == CEPH_CON_MODE_CRC && + opt->con_modes[1] == CEPH_CON_MODE_SECURE) { + seq_puts(m, "ms_mode=prefer-crc,"); + } else if (opt->con_modes[0] == CEPH_CON_MODE_SECURE && + opt->con_modes[1] == CEPH_CON_MODE_CRC) { + seq_puts(m, "ms_mode=prefer-secure,"); + } + } if (opt->flags & CEPH_OPT_FSID) seq_printf(m, "fsid=%pU,", &opt->fsid); @@ -625,14 +659,14 @@ int ceph_print_client_options(struct seq_file *m, struct ceph_client *client, seq_puts(m, "noshare,"); if (opt->flags & CEPH_OPT_NOCRC) seq_puts(m, "nocrc,"); - if (opt->flags & CEPH_OPT_NOMSGAUTH) - seq_puts(m, "nocephx_require_signatures,"); if (opt->flags & CEPH_OPT_NOMSGSIGN) seq_puts(m, "nocephx_sign_messages,"); if ((opt->flags & CEPH_OPT_TCP_NODELAY) == 0) seq_puts(m, "notcp_nodelay,"); if (show_all && (opt->flags & CEPH_OPT_ABORT_ON_FULL)) seq_puts(m, "abort_on_full,"); + if (opt->flags & CEPH_OPT_RXBOUNCE) + seq_puts(m, "rxbounce,"); if (opt->mount_timeout != CEPH_MOUNT_TIMEOUT_DEFAULT) seq_printf(m, "mount_timeout=%d,", @@ -695,7 +729,7 @@ struct ceph_client *ceph_create_client(struct ceph_options *opt, void *private) client->supported_features = CEPH_FEATURES_SUPPORTED_DEFAULT; client->required_features = CEPH_FEATURES_REQUIRED_DEFAULT; - if (!ceph_test_opt(client, NOMSGAUTH)) + if (!ceph_test_opt(client, NOMSGSIGN)) client->required_features |= CEPH_FEATURE_MSG_AUTH; /* msgr */ @@ -752,41 +786,52 @@ void ceph_reset_client_addr(struct ceph_client *client) EXPORT_SYMBOL(ceph_reset_client_addr); /* - * true if we have the mon map (and have thus joined the cluster) - */ -static bool have_mon_and_osd_map(struct ceph_client *client) -{ - return client->monc.monmap && client->monc.monmap->epoch && - client->osdc.osdmap && client->osdc.osdmap->epoch; -} - -/* * mount: join the ceph cluster, and open root directory. */ -int __ceph_open_session(struct ceph_client *client, unsigned long started) +int __ceph_open_session(struct ceph_client *client) { - unsigned long timeout = client->options->mount_timeout; - long err; + DEFINE_WAIT_FUNC(wait, woken_wake_function); + long timeout = ceph_timeout_jiffies(client->options->mount_timeout); + bool have_monmap, have_osdmap; + int err; /* open session, and wait for mon and osd maps */ err = ceph_monc_open_session(&client->monc); if (err < 0) return err; - while (!have_mon_and_osd_map(client)) { - if (timeout && time_after_eq(jiffies, started + timeout)) - return -ETIMEDOUT; + add_wait_queue(&client->auth_wq, &wait); + for (;;) { + mutex_lock(&client->monc.mutex); + err = client->auth_err; + have_monmap = client->monc.monmap && client->monc.monmap->epoch; + mutex_unlock(&client->monc.mutex); + + down_read(&client->osdc.lock); + have_osdmap = client->osdc.osdmap && client->osdc.osdmap->epoch; + up_read(&client->osdc.lock); + + if (err || (have_monmap && have_osdmap)) + break; + + if (signal_pending(current)) { + err = -ERESTARTSYS; + break; + } + + if (!timeout) { + err = -ETIMEDOUT; + break; + } /* wait */ dout("mount waiting for mon_map\n"); - err = wait_event_interruptible_timeout(client->auth_wq, - have_mon_and_osd_map(client) || (client->auth_err < 0), - ceph_timeout_jiffies(timeout)); - if (err < 0) - return err; - if (client->auth_err < 0) - return client->auth_err; + timeout = wait_woken(&wait, TASK_INTERRUPTIBLE, timeout); } + remove_wait_queue(&client->auth_wq, &wait); + + if (err) + return err; pr_info("client%llu fsid %pU\n", ceph_client_gid(client), &client->fsid); @@ -799,12 +844,11 @@ EXPORT_SYMBOL(__ceph_open_session); int ceph_open_session(struct ceph_client *client) { int ret; - unsigned long started = jiffies; /* note the start time */ dout("open_session start\n"); mutex_lock(&client->mount_mutex); - ret = __ceph_open_session(client, started); + ret = __ceph_open_session(client); mutex_unlock(&client->mount_mutex); return ret; |