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[PATCH] sem2mutex: drivers/md

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Semaphore to mutex conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.

Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Arjan van de Ven
2006-03-27 01:18:20 -08:00
committed by Linus Torvalds
parent 2f889129de
commit 48c9c27b8b
4 changed files with 28 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
drivers/md/dm.c
View File

@@ -10,6 +10,7 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/moduleparam.h>
#include <linux/blkpg.h>
#include <linux/bio.h>
@@ -743,14 +744,14 @@ static int dm_any_congested(void *congested_data, int bdi_bits)
/*-----------------------------------------------------------------
* An IDR is used to keep track of allocated minor numbers.
*---------------------------------------------------------------*/
static DECLARE_MUTEX(_minor_lock);
static DEFINE_MUTEX(_minor_lock);
static DEFINE_IDR(_minor_idr);
static void free_minor(unsigned int minor)
{
down(&_minor_lock);
mutex_lock(&_minor_lock);
idr_remove(&_minor_idr, minor);
up(&_minor_lock);
mutex_unlock(&_minor_lock);
}
/*
@@ -763,7 +764,7 @@ static int specific_minor(struct mapped_device *md, unsigned int minor)
if (minor >= (1 << MINORBITS))
return -EINVAL;
down(&_minor_lock);
mutex_lock(&_minor_lock);
if (idr_find(&_minor_idr, minor)) {
r = -EBUSY;
@@ -788,7 +789,7 @@ static int specific_minor(struct mapped_device *md, unsigned int minor)
}
out:
up(&_minor_lock);
mutex_unlock(&_minor_lock);
return r;
}
@@ -797,7 +798,7 @@ static int next_free_minor(struct mapped_device *md, unsigned int *minor)
int r;
unsigned int m;
down(&_minor_lock);
mutex_lock(&_minor_lock);
r = idr_pre_get(&_minor_idr, GFP_KERNEL);
if (!r) {
@@ -819,7 +820,7 @@ static int next_free_minor(struct mapped_device *md, unsigned int *minor)
*minor = m;
out:
up(&_minor_lock);
mutex_unlock(&_minor_lock);
return r;
}
@@ -1014,13 +1015,13 @@ static struct mapped_device *dm_find_md(dev_t dev)
if (MAJOR(dev) != _major || minor >= (1 << MINORBITS))
return NULL;
down(&_minor_lock);
mutex_lock(&_minor_lock);
md = idr_find(&_minor_idr, minor);
if (!md || (dm_disk(md)->first_minor != minor))
md = NULL;
up(&_minor_lock);
mutex_unlock(&_minor_lock);
return md;
}