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authorIngo Molnar2006-03-26 01:37:12 -0800
committerLinus Torvalds2006-03-26 08:56:55 -0800
commit353ab6e97b8f209dbecc9f650f1f84e3da2a7bb1 (patch)
treebffabd9a5a493ffd2b41dd825e71e848ca6ba6d7 /fs/dcookies.c
parente655a250d5fc12b6dfe0d436180ba4a3bfffdc9f (diff)
[PATCH] sem2mutex: fs/
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>
Diffstat (limited to 'fs/dcookies.c')
-rw-r--r--fs/dcookies.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/fs/dcookies.c b/fs/dcookies.c
index f8274a8f83bd..ef758cfa5565 100644
--- a/fs/dcookies.c
+++ b/fs/dcookies.c
@@ -23,6 +23,7 @@
#include <linux/mm.h>
#include <linux/errno.h>
#include <linux/dcookies.h>
+#include <linux/mutex.h>
#include <asm/uaccess.h>
/* The dcookies are allocated from a kmem_cache and
@@ -36,7 +37,7 @@ struct dcookie_struct {
};
static LIST_HEAD(dcookie_users);
-static DECLARE_MUTEX(dcookie_sem);
+static DEFINE_MUTEX(dcookie_mutex);
static kmem_cache_t * dcookie_cache;
static struct list_head * dcookie_hashtable;
static size_t hash_size;
@@ -114,7 +115,7 @@ int get_dcookie(struct dentry * dentry, struct vfsmount * vfsmnt,
int err = 0;
struct dcookie_struct * dcs;
- down(&dcookie_sem);
+ mutex_lock(&dcookie_mutex);
if (!is_live()) {
err = -EINVAL;
@@ -134,7 +135,7 @@ int get_dcookie(struct dentry * dentry, struct vfsmount * vfsmnt,
*cookie = dcookie_value(dcs);
out:
- up(&dcookie_sem);
+ mutex_unlock(&dcookie_mutex);
return err;
}
@@ -157,7 +158,7 @@ asmlinkage long sys_lookup_dcookie(u64 cookie64, char __user * buf, size_t len)
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- down(&dcookie_sem);
+ mutex_lock(&dcookie_mutex);
if (!is_live()) {
err = -EINVAL;
@@ -192,7 +193,7 @@ asmlinkage long sys_lookup_dcookie(u64 cookie64, char __user * buf, size_t len)
out_free:
kfree(kbuf);
out:
- up(&dcookie_sem);
+ mutex_unlock(&dcookie_mutex);
return err;
}
@@ -290,7 +291,7 @@ struct dcookie_user * dcookie_register(void)
{
struct dcookie_user * user;
- down(&dcookie_sem);
+ mutex_lock(&dcookie_mutex);
user = kmalloc(sizeof(struct dcookie_user), GFP_KERNEL);
if (!user)
@@ -302,7 +303,7 @@ struct dcookie_user * dcookie_register(void)
list_add(&user->next, &dcookie_users);
out:
- up(&dcookie_sem);
+ mutex_unlock(&dcookie_mutex);
return user;
out_free:
kfree(user);
@@ -313,7 +314,7 @@ out_free:
void dcookie_unregister(struct dcookie_user * user)
{
- down(&dcookie_sem);
+ mutex_lock(&dcookie_mutex);
list_del(&user->next);
kfree(user);
@@ -321,7 +322,7 @@ void dcookie_unregister(struct dcookie_user * user)
if (!is_live())
dcookie_exit();
- up(&dcookie_sem);
+ mutex_unlock(&dcookie_mutex);
}
EXPORT_SYMBOL_GPL(dcookie_register);