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* [PATCH] ubd: Remove unused mutex 'ubd_mutex'
@ 2024-05-05  0:15 linux
  2024-05-06  7:06 ` Christoph Hellwig
  0 siblings, 1 reply; 6+ messages in thread
From: linux @ 2024-05-05  0:15 UTC (permalink / raw)
  To: richard, hch; +Cc: linux-um, linux-kernel, Dr. David Alan Gilbert

From: "Dr. David Alan Gilbert" <linux@treblig.org>

Commit fb5d1d389c9e ("ubd: open the backing files in ubd_add")

removed the last use of ubd_mutex.
Remove it.

Build and kernel startup test only.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
---
 arch/um/drivers/ubd_kern.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 63fc062add708..2b855240fbabf 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -106,7 +106,6 @@ static inline void ubd_set_bit(__u64 bit, unsigned char *data)
 #define DRIVER_NAME "uml-blkdev"
 
 static DEFINE_MUTEX(ubd_lock);
-static DEFINE_MUTEX(ubd_mutex); /* replaces BKL, might not be needed */
 
 static int ubd_ioctl(struct block_device *bdev, blk_mode_t mode,
 		     unsigned int cmd, unsigned long arg);
-- 
2.45.0



^ permalink raw reply related	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2024-05-23 15:10 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2024-05-05  0:15 [PATCH] ubd: Remove unused mutex 'ubd_mutex' linux
2024-05-06  7:06 ` Christoph Hellwig
2024-05-20 15:12   ` Dr. David Alan Gilbert
2024-05-20 15:20     ` Christoph Hellwig
2024-05-20 19:24       ` Richard Weinberger
2024-05-23 15:10         ` Dr. David Alan Gilbert

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