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-rw-r--r--fs/internal.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/internal.h b/fs/internal.h
index ba0737649d4a..859178692ce4 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -12,6 +12,7 @@
struct super_block;
struct file_system_type;
struct iomap;
+struct iomap_ops;
struct linux_binprm;
struct path;
struct mount;
@@ -164,3 +165,13 @@ extern struct dentry_operations ns_dentry_operations;
extern int do_vfs_ioctl(struct file *file, unsigned int fd, unsigned int cmd,
unsigned long arg);
extern long vfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
+
+/*
+ * iomap support:
+ */
+typedef loff_t (*iomap_actor_t)(struct inode *inode, loff_t pos, loff_t len,
+ void *data, struct iomap *iomap);
+
+loff_t iomap_apply(struct inode *inode, loff_t pos, loff_t length,
+ unsigned flags, struct iomap_ops *ops, void *data,
+ iomap_actor_t actor);