]> bbs.cooldavid.org Git - net-next-2.6.git/blobdiff - ipc/mqueue.c
[PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem
[net-next-2.6.git] / ipc / mqueue.c
index c8943b53d8e6c3620f5dd3237c34af6462e6740d..a8aa6152eea6b0f0e07c5d5470cf1892970d189b 100644 (file)
@@ -660,7 +660,7 @@ asmlinkage long sys_mq_open(const char __user *u_name, int oflag, mode_t mode,
        if (fd < 0)
                goto out_putname;
 
-       down(&mqueue_mnt->mnt_root->d_inode->i_sem);
+       mutex_lock(&mqueue_mnt->mnt_root->d_inode->i_mutex);
        dentry = lookup_one_len(name, mqueue_mnt->mnt_root, strlen(name));
        if (IS_ERR(dentry)) {
                error = PTR_ERR(dentry);
@@ -697,7 +697,7 @@ out_putfd:
 out_err:
        fd = error;
 out_upsem:
-       up(&mqueue_mnt->mnt_root->d_inode->i_sem);
+       mutex_unlock(&mqueue_mnt->mnt_root->d_inode->i_mutex);
 out_putname:
        putname(name);
        return fd;
@@ -714,7 +714,7 @@ asmlinkage long sys_mq_unlink(const char __user *u_name)
        if (IS_ERR(name))
                return PTR_ERR(name);
 
-       down(&mqueue_mnt->mnt_root->d_inode->i_sem);
+       mutex_lock(&mqueue_mnt->mnt_root->d_inode->i_mutex);
        dentry = lookup_one_len(name, mqueue_mnt->mnt_root, strlen(name));
        if (IS_ERR(dentry)) {
                err = PTR_ERR(dentry);
@@ -735,7 +735,7 @@ out_err:
        dput(dentry);
 
 out_unlock:
-       up(&mqueue_mnt->mnt_root->d_inode->i_sem);
+       mutex_unlock(&mqueue_mnt->mnt_root->d_inode->i_mutex);
        putname(name);
        if (inode)
                iput(inode);