From: Andy Grover <agrover@redhat.com>
To: gregkh@linuxfoundation.org, snitzer@redhat.com
Cc: dm-devel@redhat.com, linux-kernel@vger.kernel.org
Subject: [PATCH 9/9] dm: Generate uevents for other targets
Date: Mon, 3 Oct 2016 12:23:00 -0700 [thread overview]
Message-ID: <1475522580-16723-10-git-send-email-agrover@redhat.com> (raw)
In-Reply-To: <1475522580-16723-1-git-send-email-agrover@redhat.com>
Generate uevents for other targets: cache, log, raid1, and snap.
Signed-off-by: Andy Grover <agrover@redhat.com>
---
drivers/md/dm-cache-target.c | 5 ++++-
drivers/md/dm-log-userspace-base.c | 8 ++++++--
drivers/md/dm-log.c | 1 +
drivers/md/dm-raid1.c | 1 +
drivers/md/dm-snap.c | 1 +
5 files changed, 13 insertions(+), 3 deletions(-)
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index 59b2c50..29f0bc9 100644
--- a/drivers/md/dm-cache-target.c
+++ b/drivers/md/dm-cache-target.c
@@ -586,8 +586,10 @@ static void clear_dirty(struct cache *cache, dm_oblock_t oblock, dm_cblock_t cbl
{
if (test_and_clear_bit(from_cblock(cblock), cache->dirty_bitset)) {
policy_clear_dirty(cache->policy, oblock);
- if (atomic_dec_return(&cache->nr_dirty) == 0)
+ if (atomic_dec_return(&cache->nr_dirty) == 0) {
+ dm_uevent_add(cache->ti, KOBJ_CHANGE, "CACHE_CLEAN");
dm_table_event(cache->ti->table);
+ }
}
}
@@ -978,6 +980,7 @@ static void notify_mode_switch(struct cache *cache, enum cache_metadata_mode mod
"fail"
};
+ dm_uevent_add(cache->ti, KOBJ_CHANGE, "CACHE_MODE_SWITCH");
dm_table_event(cache->ti->table);
DMINFO("%s: switching cache to %s mode",
cache_device_name(cache), descs[(int)mode]);
diff --git a/drivers/md/dm-log-userspace-base.c b/drivers/md/dm-log-userspace-base.c
index 53b7b06d..cb0b6cb 100644
--- a/drivers/md/dm-log-userspace-base.c
+++ b/drivers/md/dm-log-userspace-base.c
@@ -162,8 +162,10 @@ static void do_flush(struct work_struct *work)
r = userspace_do_request(lc, lc->uuid, DM_ULOG_FLUSH, NULL, 0, NULL, NULL);
- if (r)
+ if (r) {
+ dm_uevent_add(lc->ti->table, KOBJ_CHANGE, "LOG_FLUSHED");
dm_table_event(lc->ti->table);
+ }
}
/*
@@ -634,8 +636,10 @@ out:
mempool_free(fe, flush_entry_pool);
}
- if (r)
+ if (r) {
+ dm_uevent_add(lc->ti->table, KOBJ_CHANGE, "LOG_FLUSHED");
dm_table_event(lc->ti->table);
+ }
return r;
}
diff --git a/drivers/md/dm-log.c b/drivers/md/dm-log.c
index 07fc1ad..8d144d2 100644
--- a/drivers/md/dm-log.c
+++ b/drivers/md/dm-log.c
@@ -579,6 +579,7 @@ static void fail_log_device(struct log_c *lc)
return;
lc->log_dev_failed = 1;
+ dm_uevent_add(lc->ti, KOBJ_CHANGE, "LOG_FAILED");
dm_table_event(lc->ti->table);
}
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index bdf1606..daffbab 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -410,6 +410,7 @@ static void do_recovery(struct mirror_set *ms)
if (!ms->in_sync &&
(log->type->get_sync_count(log) == ms->nr_regions)) {
/* the sync is complete */
+ dm_uevent_add(ms->ti, KOBJ_CHANGE, "TABLE_SYNCED");
dm_table_event(ms->ti->table);
ms->in_sync = 1;
reset_ms_flags(ms);
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index c65feea..b47e28f6 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -1443,6 +1443,7 @@ static void __invalidate_snapshot(struct dm_snapshot *s, int err)
s->valid = 0;
+ dm_uevent_add(s->ti, KOBJ_CHANGE, "SNAPSHOT_INVALIDATED");
dm_table_event(s->ti->table);
}
--
2.7.4
next prev parent reply other threads:[~2016-10-03 19:23 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-03 19:22 [PATCH 0/9] Generate uevents for all DM events Andy Grover
2016-10-03 19:22 ` [PATCH 1/9] dm: Do not export dm_send_uevents Andy Grover
2016-10-03 19:22 ` [PATCH 2/9] dm: Move multipath-specific stuff out of dm-uevent.c Andy Grover
2016-10-03 19:22 ` [PATCH 3/9] dm: Inline dm_build_path_uevent into dm_path_uevent Andy Grover
2016-10-03 19:22 ` [PATCH 4/9] dm: Update dm-uevent.txt Andy Grover
2016-10-03 19:22 ` [PATCH 5/9] dm: Rename dm_build_uevent to dm_uevent_build Andy Grover
2016-10-03 19:22 ` [PATCH 6/9] dm: Rename dm_event_add to dm_event_queue Andy Grover
2016-10-03 19:22 ` [PATCH 7/9] dm: Implement dm_uevent_add() Andy Grover
2016-10-03 19:22 ` [PATCH 8/9] dm: Generate uevents for thin targets Andy Grover
2016-10-03 19:23 ` Andy Grover [this message]
2016-10-03 19:29 ` [PATCH 0/9] Generate uevents for all DM events Mike Snitzer
2016-10-04 7:20 ` Greg KH
2016-10-04 23:39 ` Andy Grover
2016-10-05 0:40 ` [dm-devel] " Alasdair G Kergon
2016-10-05 6:26 ` Hannes Reinecke
2016-10-05 6:51 ` Greg KH
2016-10-05 17:06 ` Andy Grover
2016-10-05 17:43 ` Alasdair G Kergon
2016-10-05 22:30 ` Andy Grover
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1475522580-16723-10-git-send-email-agrover@redhat.com \
--to=agrover@redhat.com \
--cc=dm-devel@redhat.com \
--cc=gregkh@linuxfoundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=snitzer@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).