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| author | Gabriel de Perthuis <g2p.code@gmail.com> | 2013-06-09 00:54:48 +0200 |
|---|---|---|
| committer | Kent Overstreet <koverstreet@google.com> | 2013-06-26 21:58:06 -0700 |
| commit | ab9e14002e271eba41f7f9ab7e9b03cac4adc22d (patch) | |
| tree | 9ea2f05da65129fb96d4a4aead85986058b9f3e9 /drivers/md/bcache/super.c | |
| parent | a25c32bedeff3573b53572b87bcafe10ec5b75a9 (diff) | |
| download | linux-next-ab9e14002e271eba41f7f9ab7e9b03cac4adc22d.tar.gz | |
bcache: Send label uevents
Signed-off-by: Gabriel de Perthuis <g2p.code@gmail.com>
Signed-off-by: Kent Overstreet <koverstreet@google.com>
Diffstat (limited to 'drivers/md/bcache/super.c')
| -rw-r--r-- | drivers/md/bcache/super.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index a104dad2c7fa..cff2d182dfb0 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -825,12 +825,18 @@ static void calc_cached_dev_sectors(struct cache_set *c) void bch_cached_dev_run(struct cached_dev *dc) { struct bcache_device *d = &dc->disk; + char buf[SB_LABEL_SIZE + 1]; char *env[] = { "DRIVER=bcache", kasprintf(GFP_KERNEL, "CACHED_UUID=%pU", dc->sb.uuid), - NULL + NULL, + NULL, }; + memcpy(buf, dc->sb.label, SB_LABEL_SIZE); + buf[SB_LABEL_SIZE] = '\0'; + env[2] = kasprintf(GFP_KERNEL, "CACHED_LABEL=%s", buf); + if (atomic_xchg(&dc->running, 1)) return; @@ -850,6 +856,7 @@ void bch_cached_dev_run(struct cached_dev *dc) * only class / kset properties are persistent */ kobject_uevent_env(&disk_to_dev(d->disk)->kobj, KOBJ_CHANGE, env); kfree(env[1]); + kfree(env[2]); if (sysfs_create_link(&d->kobj, &disk_to_dev(d->disk)->kobj, "dev") || sysfs_create_link(&disk_to_dev(d->disk)->kobj, &d->kobj, "bcache")) |