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[v6,2/7] block: genhd: export disk_(un)block_events

Message ID 1346768680-7287-3-git-send-email-aaron.lwe@gmail.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Aaron Lu Sept. 4, 2012, 2:24 p.m. UTC 
From: Aaron Lu <aaron.lu@intel.com>

When ODD is runtime powered off, there is no meaning to check events for
it, so disk_(un)block_events will be called in its suspend/resume
callback.

Signed-off-by: Aaron Lu <aaron.lu@intel.com>
---
 block/genhd.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/block/genhd.c b/block/genhd.c
index cac7366..f630150 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1468,6 +1468,7 @@  void disk_block_events(struct gendisk *disk)
 
 	mutex_unlock(&ev->block_mutex);
 }
+EXPORT_SYMBOL(disk_block_events);
 
 static void __disk_unblock_events(struct gendisk *disk, bool check_now)
 {
@@ -1512,6 +1513,7 @@  void disk_unblock_events(struct gendisk *disk)
 	if (disk->ev)
 		__disk_unblock_events(disk, false);
 }
+EXPORT_SYMBOL(disk_unblock_events);
 
 /**
  * disk_flush_events - schedule immediate event checking and flushing