vfs: properly and reliably lock f_pos in fdget_pos()

[mirror_ubuntu-hirsute-kernel.git] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index b0c6b0d34d0213569c88c9bd83280c46ecaf2be2..a7c3f6dd57017bd91bd587d1f5c9610b92baa4e7 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -148,8 +148,6 @@ typedef int (dio_iodone_t)(struct kiocb *iocb, loff_t offset,
 /* File is opened with O_PATH; almost nothing can be done with it */
 #define FMODE_PATH             ((__force fmode_t)0x4000)
 
-/* File needs atomic accesses to f_pos */
-#define FMODE_ATOMIC_POS       ((__force fmode_t)0x8000)
 /* Write access to underlying fs */
 #define FMODE_WRITER           ((__force fmode_t)0x10000)
 /* Has read method(s) */
@@ -1168,6 +1166,11 @@ extern void lease_get_mtime(struct inode *, struct timespec64 *time);
 extern int generic_setlease(struct file *, long, struct file_lock **, void **priv);
 extern int vfs_setlease(struct file *, long, struct file_lock **, void **);
 extern int lease_modify(struct file_lock *, int, struct list_head *);
+
+struct notifier_block;
+extern int lease_register_notifier(struct notifier_block *);
+extern void lease_unregister_notifier(struct notifier_block *);
+
 struct files_struct;
 extern void show_fd_locks(struct seq_file *f,
                         struct file *filp, struct files_struct *files);