mqueue: convert to ctime accessor functions

In later patches, we're going to change how the inode's ctime field is
used. Switch to using accessor functions instead of raw accesses of
inode->i_ctime.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Message-Id: <20230705190309.579783-83-jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>

diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 71881bd..ba8215e 100644 (file)
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -302,7 +302,7 @@ static struct inode *mqueue_get_inode(struct super_block *sb,
        inode->i_mode = mode;
        inode->i_uid = current_fsuid();
        inode->i_gid = current_fsgid();
-       inode->i_mtime = inode->i_ctime = inode->i_atime = current_time(inode);
+       inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode);
 
        if (S_ISREG(mode)) {
                struct mqueue_inode_info *info;
@@ -596,7 +596,7 @@ static int mqueue_create_attr(struct dentry *dentry, umode_t mode, void *arg)
 
        put_ipc_ns(ipc_ns);
        dir->i_size += DIRENT_SIZE;
-       dir->i_ctime = dir->i_mtime = dir->i_atime = current_time(dir);
+       dir->i_mtime = dir->i_atime = inode_set_ctime_current(dir);
 
        d_instantiate(dentry, inode);
        dget(dentry);
@@ -618,7 +618,7 @@ static int mqueue_unlink(struct inode *dir, struct dentry *dentry)
 {
        struct inode *inode = d_inode(dentry);
 
-       dir->i_ctime = dir->i_mtime = dir->i_atime = current_time(dir);
+       dir->i_mtime = dir->i_atime = inode_set_ctime_current(dir);
        dir->i_size -= DIRENT_SIZE;
        drop_nlink(inode);
        dput(dentry);
@@ -635,7 +635,8 @@ 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(file_inode(filp));
+       struct inode *inode = file_inode(filp);
+       struct mqueue_inode_info *info = MQUEUE_I(inode);
        char buffer[FILENT_SIZE];
        ssize_t ret;
 
@@ -656,7 +657,7 @@ static ssize_t mqueue_read_file(struct file *filp, char __user *u_data,
        if (ret <= 0)
                return ret;
 
-       file_inode(filp)->i_atime = file_inode(filp)->i_ctime = current_time(file_inode(filp));
+       inode->i_atime = inode_set_ctime_current(inode);
        return ret;
 }
 
@@ -1162,8 +1163,7 @@ static int do_mq_timedsend(mqd_t mqdes, const char __user *u_msg_ptr,
                                goto out_unlock;
                        __do_notify(info);
                }
-               inode->i_atime = inode->i_mtime = inode->i_ctime =
-                               current_time(inode);
+               inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode);
        }
 out_unlock:
        spin_unlock(&info->lock);
@@ -1257,8 +1257,7 @@ static int do_mq_timedreceive(mqd_t mqdes, char __user *u_msg_ptr,
 
                msg_ptr = msg_get(info);
 
-               inode->i_atime = inode->i_mtime = inode->i_ctime =
-                               current_time(inode);
+               inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode);
 
                /* There is now free space in queue. */
                pipelined_receive(&wake_q, info);
@@ -1396,7 +1395,7 @@ retry:
        if (notification == NULL) {
                if (info->notify_owner == task_tgid(current)) {
                        remove_notification(info);
-                       inode->i_atime = inode->i_ctime = current_time(inode);
+                       inode->i_atime = inode_set_ctime_current(inode);
                }
        } else if (info->notify_owner != NULL) {
                ret = -EBUSY;
@@ -1422,7 +1421,7 @@ retry:
 
                info->notify_owner = get_pid(task_tgid(current));
                info->notify_user_ns = get_user_ns(current_user_ns());
-               inode->i_atime = inode->i_ctime = current_time(inode);
+               inode->i_atime = inode_set_ctime_current(inode);
        }
        spin_unlock(&info->lock);
 out_fput:
@@ -1485,7 +1484,7 @@ static int do_mq_getsetattr(int mqdes, struct mq_attr *new, struct mq_attr *old)
                        f.file->f_flags &= ~O_NONBLOCK;
                spin_unlock(&f.file->f_lock);
 
-               inode->i_atime = inode->i_ctime = current_time(inode);
+               inode->i_atime = inode_set_ctime_current(inode);
        }
 
        spin_unlock(&info->lock);