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[PATCH] sem2mutex: fs/

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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: Ingo Molnar <mingo@elte.hu>
Cc: Eric Van Hensbergen <ericvh@ericvh.myip.org>
Cc: Robert Love <rml@tech9.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Neil Brown <neilb@cse.unsw.edu.au>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Ingo Molnar
2006-03-26 01:37:12 -08:00
committed by Linus Torvalds
parent e655a250d5
commit 353ab6e97b
11 changed files with 99 additions and 89 deletions
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12
fs/partitions/devfs.c
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@@ -6,7 +6,7 @@
#include <linux/vmalloc.h>
#include <linux/genhd.h>
#include <linux/bitops.h>
#include <asm/semaphore.h>
#include <linux/mutex.h>
struct unique_numspace {
@@ -16,7 +16,7 @@ struct unique_numspace {
struct semaphore mutex;
};
static DECLARE_MUTEX(numspace_mutex);
static DEFINE_MUTEX(numspace_mutex);
static int expand_numspace(struct unique_numspace *s)
{
@@ -48,7 +48,7 @@ static int alloc_unique_number(struct unique_numspace *s)
{
int rval = 0;
down(&numspace_mutex);
mutex_lock(&numspace_mutex);
if (s->num_free < 1)
rval = expand_numspace(s);
if (!rval) {
@@ -56,7 +56,7 @@ static int alloc_unique_number(struct unique_numspace *s)
--s->num_free;
__set_bit(rval, s->bits);
}
up(&numspace_mutex);
mutex_unlock(&numspace_mutex);
return rval;
}
@@ -66,11 +66,11 @@ static void dealloc_unique_number(struct unique_numspace *s, int number)
int old_val;
if (number >= 0) {
down(&numspace_mutex);
mutex_lock(&numspace_mutex);
old_val = __test_and_clear_bit(number, s->bits);
if (old_val)
++s->num_free;
up(&numspace_mutex);
mutex_unlock(&numspace_mutex);
}
}