Eric Lee / linux-smarc-t335x-v3.2

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Commit b4cf1b72eec0e197257a5b07dc9ec53552cdd123

Authored by Jun'ichi Nomura
Committed by Linus Torvalds
1 parent f165921df4
Exists in master and in 4 other branches v3.2_AM335xPSP_04.06.00.11, v3.2_NEWT335xPSP_04.06.00.11, v3.2_SBC_SMARTMEN, v3.2_SMARCT335xPSP_04.06.00.11

[PATCH] dm/md dependency tree in sysfs: convert bd_sem to bd_mutex 

Convert bd_sem to bd_mutex

Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Cc: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

Showing 1 changed file with 4 additions and 4 deletions Side-by-side Diff

... ... @@ -723,11 +723,11 @@
723 723 if (!bo)
724 724 return -ENOMEM;
725 725  
726   - down(&bdev->bd_sem);
  726 + mutex_lock(&bdev->bd_mutex);
727 727 res = bd_claim(bdev, holder);
728 728 if (res || !add_bd_holder(bdev, bo))
729 729 free_bd_holder(bo);
730   - up(&bdev->bd_sem);
  730 + mutex_unlock(&bdev->bd_mutex);
731 731  
732 732 return res;
733 733 }
734 734  
... ... @@ -748,11 +748,11 @@
748 748 if (!kobj)
749 749 return;
750 750  
751   - down(&bdev->bd_sem);
  751 + mutex_lock(&bdev->bd_mutex);
752 752 bd_release(bdev);
753 753 if ((bo = del_bd_holder(bdev, kobj)))
754 754 free_bd_holder(bo);
755   - up(&bdev->bd_sem);
  755 + mutex_unlock(&bdev->bd_mutex);
756 756 }
757 757  
758 758 /**