From: mwilck@suse.com
To: Keith Busch <kbusch@kernel.org>, linux-nvme@lists.infradead.org
Cc: Hannes Reinecke <hare@suse.de>,
Chaitanya Kulkarni <Chaitanya.Kulkarni@wdc.com>,
Martin Wilck <mwilck@suse.com>
Subject: [PATCH 25/35] monitor: read existing connections on startup
Date: Tue, 26 Jan 2021 21:33:14 +0100 [thread overview]
Message-ID: <20210126203324.23610-26-mwilck@suse.com> (raw)
In-Reply-To: <20210126203324.23610-1-mwilck@suse.com>
From: Martin Wilck <mwilck@suse.com>
Add discovery_ctrl_existed flag to the connection, to determine
whether a given (discovery) controller should be shut down on exit.
Signed-off-by: Martin Wilck <mwilck@suse.com>
---
conn-db.c | 1 +
conn-db.h | 1 +
monitor.c | 2 ++
3 files changed, 4 insertions(+)
diff --git a/conn-db.c b/conn-db.c
index 99d88da..07e4dde 100644
--- a/conn-db.c
+++ b/conn-db.c
@@ -301,6 +301,7 @@ int conndb_init_from_sysfs(void)
if (instance >= 0) {
ci->c.discovery_instance = instance;
+ ci->c.discovery_ctrl_existed = 1;
log(LOG_DEBUG, "found discovery controller %s\n",
devices[i]->d_name);
}
diff --git a/conn-db.h b/conn-db.h
index c599c15..11c3502 100644
--- a/conn-db.h
+++ b/conn-db.h
@@ -11,6 +11,7 @@ struct nvme_connection {
int discovery_pending:1;
int did_discovery:1;
int successful_discovery:1;
+ int discovery_ctrl_existed:1;
union {
pid_t discovery_task;
int discovery_result;
diff --git a/monitor.c b/monitor.c
index ce772f3..5bd900b 100644
--- a/monitor.c
+++ b/monitor.c
@@ -603,9 +603,11 @@ int aen_monitor(const char *desc, int argc, char **argv)
}
ret = create_udev_monitor(&monitor);
if (ret == 0) {
+ conndb_init_from_sysfs();
ret = monitor_main_loop(monitor);
udev_monitor_unref(monitor);
}
+ conndb_free();
udev = udev_unref(udev);
if (mon_cfg.autoconnect && !mon_cfg.skip_udev_on_exit)
monitor_enable_udev_rules();
--
2.29.2
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next prev parent reply other threads:[~2021-01-26 20:36 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-26 20:32 [PATCH 00/35] RFC: add "nvme monitor" subcommand mwilck
2021-01-26 20:32 ` [PATCH 01/35] nvme-monitor: add new stub mwilck
2021-01-26 20:32 ` [PATCH 02/35] monitor: create udev socket mwilck
2021-01-26 20:32 ` [PATCH 03/35] monitor: initialize signal handling mwilck
2021-01-26 20:32 ` [PATCH 04/35] monitor: add main loop for uevent monitoring mwilck
2021-01-26 20:32 ` [PATCH 05/35] monitor: add uevent filters mwilck
2021-02-04 6:58 ` Hannes Reinecke
2021-01-26 20:32 ` [PATCH 06/35] monitor: Create a log() macro mwilck
2021-02-04 7:01 ` Hannes Reinecke
2021-02-04 9:14 ` Martin Wilck
2021-01-26 20:32 ` [PATCH 07/35] fabrics: use " mwilck
2021-02-04 7:02 ` Hannes Reinecke
2021-01-26 20:32 ` [PATCH 08/35] monitor: add command line options to control logging mwilck
2021-02-04 7:04 ` Hannes Reinecke
2021-02-04 9:18 ` Martin Wilck
2021-01-26 20:32 ` [PATCH 09/35] nvme_get_ctrl_attr(): constify "path" argument mwilck
2021-02-04 7:05 ` Hannes Reinecke
2021-01-26 20:32 ` [PATCH 10/35] fabrics: export do_discover(), build_options() and config mwilck
2021-02-04 7:09 ` Hannes Reinecke
2021-02-04 9:21 ` Martin Wilck
2021-01-26 20:33 ` [PATCH 11/35] monitor: add option -A / --autoconnect mwilck
2021-01-29 18:59 ` Sagi Grimberg
2021-01-29 19:33 ` Martin Wilck
2021-01-29 20:09 ` Sagi Grimberg
2021-02-04 7:13 ` Hannes Reinecke
2021-01-26 20:33 ` [PATCH 12/35] monitor: add helpers for __attribute__((cleanup)) mwilck
2021-02-04 7:14 ` Hannes Reinecke
2021-01-26 20:33 ` [PATCH 13/35] monitor: disable nvmf-autoconnect udev rules in autoconnect mode mwilck
2021-01-29 1:52 ` Sagi Grimberg
2021-01-29 14:16 ` Martin Wilck
2021-01-29 18:54 ` Sagi Grimberg
2021-02-04 7:16 ` Hannes Reinecke
2021-02-04 9:37 ` Martin Wilck
2021-01-26 20:33 ` [PATCH 14/35] monitor: implement handling of fc_udev_device mwilck
2021-01-26 20:33 ` [PATCH 15/35] monitor: implement handling of nvme AEN events mwilck
2021-01-26 20:33 ` [PATCH 16/35] monitor: reset children's signal disposition mwilck
2021-01-29 1:54 ` Sagi Grimberg
2021-01-29 14:18 ` Martin Wilck
2021-01-26 20:33 ` [PATCH 17/35] monitor: handle SIGCHLD for terminated child processes mwilck
2021-01-29 1:54 ` Sagi Grimberg
2021-01-26 20:33 ` [PATCH 18/35] monitor: add "--persistent/-p" flag mwilck
2021-01-29 19:02 ` Sagi Grimberg
2021-01-29 19:45 ` Martin Wilck
2021-01-26 20:33 ` [PATCH 19/35] fabrics: use "const char *" in struct config mwilck
2021-02-04 7:20 ` Hannes Reinecke
2021-01-26 20:33 ` [PATCH 20/35] fabrics: export arg_str(), parse_conn_arg(), and remove_ctrl() mwilck
2021-01-26 20:33 ` [PATCH 21/35] nvme-cli: add "list.h" mwilck
2021-01-26 20:33 ` [PATCH 22/35] conn-db: add simple connection registry mwilck
2021-01-29 1:59 ` Sagi Grimberg
2021-01-29 14:18 ` Martin Wilck
2021-01-26 20:33 ` [PATCH 23/35] monitor: handle restart of pending discoveries mwilck
2021-01-26 20:33 ` [PATCH 24/35] monitor: monitor_discovery(): try to reuse existing controllers mwilck
2021-01-26 20:33 ` mwilck [this message]
2021-01-26 20:33 ` [PATCH 26/35] monitor: implement starting discovery controllers on startup mwilck
2021-01-29 21:06 ` Sagi Grimberg
2021-01-29 21:13 ` Martin Wilck
2021-01-29 21:18 ` Sagi Grimberg
2021-01-26 20:33 ` [PATCH 27/35] monitor: implement cleanup of created discovery controllers mwilck
2021-01-26 20:33 ` [PATCH 28/35] monitor: basic handling of add/remove uevents for nvme controllers mwilck
2021-01-26 20:33 ` [PATCH 29/35] monitor: kill running discovery tasks on exit mwilck
2021-01-26 20:33 ` [PATCH 30/35] monitor: add connection property options from connect-all mwilck
2021-01-26 20:33 ` [PATCH 31/35] completions: add completions for nvme monitor mwilck
2021-01-26 20:33 ` [PATCH 32/35] nvmf-autoconnect: add unit file for nvme-monitor.service mwilck
2021-01-29 19:08 ` Sagi Grimberg
2021-01-29 19:50 ` Martin Wilck
2021-01-26 20:33 ` [PATCH 33/35] nvme-connect-all(1): fix documentation for --quiet/-S mwilck
2021-01-29 19:09 ` Sagi Grimberg
2021-01-26 20:33 ` [PATCH 34/35] nvme-monitor(1): add man page for nvme-monitor mwilck
2021-01-26 20:33 ` [PATCH 35/35] monitor: add option --keep/-K mwilck
2021-01-29 19:10 ` Sagi Grimberg
2021-01-29 19:53 ` Martin Wilck
2021-01-29 20:16 ` Sagi Grimberg
2021-01-29 20:30 ` Martin Wilck
2021-01-29 20:45 ` Sagi Grimberg
2021-01-29 20:51 ` Martin Wilck
2021-01-29 20:57 ` Sagi Grimberg
2021-01-29 21:05 ` Martin Wilck
2021-01-29 21:11 ` Sagi Grimberg
2021-01-29 21:15 ` Martin Wilck
2021-01-29 21:21 ` Sagi Grimberg
2021-02-04 7:34 ` Hannes Reinecke
2021-02-04 9:41 ` Martin Wilck
2021-01-29 1:14 ` [PATCH 00/35] RFC: add "nvme monitor" subcommand Sagi Grimberg
2021-01-29 11:18 ` Martin Wilck
2021-01-29 20:08 ` Sagi Grimberg
2021-01-29 20:27 ` Martin Wilck
2021-02-04 7:52 ` Hannes Reinecke
2021-02-22 19:02 ` Enzo Matsumiya
2021-02-22 21:05 ` Martin Wilck
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