[PATCH] dmfe trivial endianness annotations

[powerpc.git] / ipc / mqueue.c

diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 3acc166..554ac36 100644 (file)
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -84,8 +84,8 @@ struct mqueue_inode_info {
        unsigned long qsize; /* size of queue in memory (sum of all msgs) */
 };
 
-static struct inode_operations mqueue_dir_inode_operations;
-static struct file_operations mqueue_file_operations;
+static const struct inode_operations mqueue_dir_inode_operations;
+static const struct file_operations mqueue_file_operations;
 static struct super_operations mqueue_super_ops;
 static void remove_notification(struct mqueue_inode_info *info);
 
@@ -322,7 +322,7 @@ static int mqueue_unlink(struct inode *dir, struct dentry *dentry)
 static ssize_t mqueue_read_file(struct file *filp, char __user *u_data,
                                size_t count, loff_t * off)
 {
-       struct mqueue_inode_info *info = MQUEUE_I(filp->f_dentry->d_inode);
+       struct mqueue_inode_info *info = MQUEUE_I(filp->f_path.dentry->d_inode);
        char buffer[FILENT_SIZE];
        size_t slen;
        loff_t o;
@@ -354,13 +354,13 @@ static ssize_t mqueue_read_file(struct file *filp, char __user *u_data,
                return -EFAULT;
 
        *off = o + count;
-       filp->f_dentry->d_inode->i_atime = filp->f_dentry->d_inode->i_ctime = CURRENT_TIME;
+       filp->f_path.dentry->d_inode->i_atime = filp->f_path.dentry->d_inode->i_ctime = CURRENT_TIME;
        return count;
 }
 
 static int mqueue_flush_file(struct file *filp, fl_owner_t id)
 {
-       struct mqueue_inode_info *info = MQUEUE_I(filp->f_dentry->d_inode);
+       struct mqueue_inode_info *info = MQUEUE_I(filp->f_path.dentry->d_inode);
 
        spin_lock(&info->lock);
        if (task_tgid(current) == info->notify_owner)
@@ -372,7 +372,7 @@ static int mqueue_flush_file(struct file *filp, fl_owner_t id)
 
 static unsigned int mqueue_poll_file(struct file *filp, struct poll_table_struct *poll_tab)
 {
-       struct mqueue_inode_info *info = MQUEUE_I(filp->f_dentry->d_inode);
+       struct mqueue_inode_info *info = MQUEUE_I(filp->f_path.dentry->d_inode);
        int retval = 0;
 
        poll_wait(filp, &info->wait_q, poll_tab);
@@ -731,7 +731,8 @@ asmlinkage long sys_mq_unlink(const char __user *u_name)
        if (IS_ERR(name))
                return PTR_ERR(name);
 
-       mutex_lock(&mqueue_mnt->mnt_root->d_inode->i_mutex);
+       mutex_lock_nested(&mqueue_mnt->mnt_root->d_inode->i_mutex,
+                       I_MUTEX_PARENT);
        dentry = lookup_one_len(name, mqueue_mnt->mnt_root, strlen(name));
        if (IS_ERR(dentry)) {
                err = PTR_ERR(dentry);
@@ -836,7 +837,7 @@ asmlinkage long sys_mq_timedsend(mqd_t mqdes, const char __user *u_msg_ptr,
        if (unlikely(!filp))
                goto out;
 
-       inode = filp->f_dentry->d_inode;
+       inode = filp->f_path.dentry->d_inode;
        if (unlikely(filp->f_op != &mqueue_file_operations))
                goto out_fput;
        info = MQUEUE_I(inode);
@@ -919,7 +920,7 @@ asmlinkage ssize_t sys_mq_timedreceive(mqd_t mqdes, char __user *u_msg_ptr,
        if (unlikely(!filp))
                goto out;
 
-       inode = filp->f_dentry->d_inode;
+       inode = filp->f_path.dentry->d_inode;
        if (unlikely(filp->f_op != &mqueue_file_operations))
                goto out_fput;
        info = MQUEUE_I(inode);
@@ -1056,7 +1057,7 @@ retry:
        if (!filp)
                goto out;
 
-       inode = filp->f_dentry->d_inode;
+       inode = filp->f_path.dentry->d_inode;
        if (unlikely(filp->f_op != &mqueue_file_operations))
                goto out_fput;
        info = MQUEUE_I(inode);
@@ -1126,7 +1127,7 @@ asmlinkage long sys_mq_getsetattr(mqd_t mqdes,
        if (!filp)
                goto out;
 
-       inode = filp->f_dentry->d_inode;
+       inode = filp->f_path.dentry->d_inode;
        if (unlikely(filp->f_op != &mqueue_file_operations))
                goto out_fput;
        info = MQUEUE_I(inode);
@@ -1160,13 +1161,13 @@ out:
        return ret;
 }
 
-static struct inode_operations mqueue_dir_inode_operations = {
+static const struct inode_operations mqueue_dir_inode_operations = {
        .lookup = simple_lookup,
        .create = mqueue_create,
        .unlink = mqueue_unlink,
 };
 
-static struct file_operations mqueue_file_operations = {
+static const struct file_operations mqueue_file_operations = {
        .flush = mqueue_flush_file,
        .poll = mqueue_poll_file,
        .read = mqueue_read_file,
@@ -1255,7 +1256,7 @@ static int __init init_mqueue_fs(void)
                return -ENOMEM;
 
        /* ignore failues - they are not fatal */
-       mq_sysctl_table = register_sysctl_table(mq_sysctl_root, 0);
+       mq_sysctl_table = register_sysctl_table(mq_sysctl_root);
 
        error = register_filesystem(&mqueue_fs_type);
        if (error)