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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2019-06-19 12:32:13 +0200
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2019-06-19 12:32:13 +0200
commitbcb7416e3480c1abb46266bdab874b3b3d6124cb (patch)
tree9d889b14957c0e266697d0674675bc42b0899571 /drivers/md/bcache/sysfs.c
parentdrm/vc4: hdmi: Set default state margin at reset (diff)
parentMerge v5.2-rc5 into drm-next (diff)
downloadlinux-bcb7416e3480c1abb46266bdab874b3b3d6124cb.tar.xz
linux-bcb7416e3480c1abb46266bdab874b3b3d6124cb.zip
Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
remove-fbcon-notifiers topic branch is based on rc4, so we need a fresh backmerge of drm-next to pull it in. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'drivers/md/bcache/sysfs.c')
-rw-r--r--drivers/md/bcache/sysfs.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c
index 6cd44d3cf906..bfb437ffb13c 100644
--- a/drivers/md/bcache/sysfs.c
+++ b/drivers/md/bcache/sysfs.c
@@ -431,8 +431,13 @@ STORE(bch_cached_dev)
bch_writeback_queue(dc);
}
+ /*
+ * Only set BCACHE_DEV_WB_RUNNING when cached device attached to
+ * a cache set, otherwise it doesn't make sense.
+ */
if (attr == &sysfs_writeback_percent)
- if (!test_and_set_bit(BCACHE_DEV_WB_RUNNING, &dc->disk.flags))
+ if ((dc->disk.c != NULL) &&
+ (!test_and_set_bit(BCACHE_DEV_WB_RUNNING, &dc->disk.flags)))
schedule_delayed_work(&dc->writeback_rate_update,
dc->writeback_rate_update_seconds * HZ);