Re: [PATCH] block: update locking context for blk_free_devt

[Jens Axboe]

On 2014-10-13 12:35, Dmitry Monakhov wrote:
After 2da78092 this function will not longer sleepy
Signed-off-by: Dmitry Monakhov <dmonak...@openvz.org>
---
  block/genhd.c |    4 +---
  1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/block/genhd.c b/block/genhd.c
index 09da5e4..ae9aaa5 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -441,12 +441,10 @@ int blk_alloc_devt(struct hd_struct *part, dev_t *devt)
   * Free @devt which was allocated using blk_alloc_devt().
   *
   * CONTEXT:
- * Might sleep.
+ * Don't care.
   */
  void blk_free_devt(dev_t devt)
  {
-       might_sleep();
-
        if (devt == MKDEV(0, 0))
                return;

What's this against? The might_sleep() was killed about a month ago by 
commit 46f341ffcfb5. The comment wasn't updated though, it should be.

--
Jens Axboe

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