Make the seek a method of the struct fileops.

Tested by:	pho
Sponsored by:	The FreeBSD Foundation

1 files changed, 11 insertions, 0 deletions

diff --git a/sys/sys/file.h b/sys/sys/file.h
index cc4e900..72c512f 100644
--- a/sys/sys/file.h
+++ b/sys/sys/file.h
@@ -108,6 +108,8 @@ typedef	int fo_chown_t(struct file *fp, uid_t uid, gid_t gid,
 typedef int fo_sendfile_t(struct file *fp, int sockfd, struct uio *hdr_uio,
 		    struct uio *trl_uio, off_t offset, size_t nbytes,
 		    off_t *sent, int flags, int kflags, struct thread *td);
+typedef int fo_seek_t(struct file *fp, off_t offset, int whence,
+		    struct thread *td);
 typedef	int fo_flags_t;
 
 struct fileops {
@@ -122,6 +124,7 @@ struct fileops {
 	fo_chmod_t	*fo_chmod;
 	fo_chown_t	*fo_chown;
 	fo_sendfile_t	*fo_sendfile;
+	fo_seek_t	*fo_seek;
 	fo_flags_t	fo_flags;	/* DFLAG_* below */
 };
 
@@ -242,6 +245,7 @@ fo_chown_t	invfo_chown;
 fo_sendfile_t	invfo_sendfile;
 
 fo_sendfile_t	vn_sendfile;
+fo_seek_t	vn_seek;
 
 void finit(struct file *, u_int, short, void *, struct fileops *);
 int fgetvp(struct thread *td, int fd, cap_rights_t rights, struct vnode **vpp);
@@ -370,6 +374,13 @@ fo_sendfile(struct file *fp, int sockfd, struct uio *hdr_uio,
 	    nbytes, sent, flags, kflags, td));
 }
 
+static __inline int
+fo_seek(struct file *fp, off_t offset, int whence, struct thread *td)
+{
+
+	return ((*fp->f_ops->fo_seek)(fp, offset, whence, td));
+}
+
 #endif /* _KERNEL */
 
 #endif /* !SYS_FILE_H */