Make sendfile() a method in the struct fileops. Currently only

vnode backed file descriptors have this method implemented.

Reviewed by:	kib
Sponsored by:	Nginx, Inc.
Sponsored by:	Netflix

1 files changed, 16 insertions, 0 deletions

diff --git a/sys/sys/file.h b/sys/sys/file.h
index cfdc1d8..63a7e8f 100644
--- a/sys/sys/file.h
+++ b/sys/sys/file.h
@@ -105,6 +105,9 @@ typedef	int fo_chmod_t(struct file *fp, mode_t mode,
 		    struct ucred *active_cred, struct thread *td);
 typedef	int fo_chown_t(struct file *fp, uid_t uid, gid_t gid,
 		    struct ucred *active_cred, struct thread *td);
+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_flags_t;
 
 struct fileops {
@@ -118,6 +121,7 @@ struct fileops {
 	fo_close_t	*fo_close;
 	fo_chmod_t	*fo_chmod;
 	fo_chown_t	*fo_chown;
+	fo_sendfile_t	*fo_sendfile;
 	fo_flags_t	fo_flags;	/* DFLAG_* below */
 };
 
@@ -235,6 +239,7 @@ fo_close_t	soo_close;
 
 fo_chmod_t	invfo_chmod;
 fo_chown_t	invfo_chown;
+fo_sendfile_t	invfo_sendfile;
 
 void finit(struct file *, u_int, short, void *, struct fileops *);
 int fgetvp(struct thread *td, int fd, cap_rights_t rights, struct vnode **vpp);
@@ -273,6 +278,7 @@ static __inline fo_stat_t	fo_stat;
 static __inline fo_close_t	fo_close;
 static __inline fo_chmod_t	fo_chmod;
 static __inline fo_chown_t	fo_chown;
+static __inline fo_sendfile_t	fo_sendfile;
 
 static __inline int
 fo_read(struct file *fp, struct uio *uio, struct ucred *active_cred,
@@ -352,6 +358,16 @@ fo_chown(struct file *fp, uid_t uid, gid_t gid, struct ucred *active_cred,
 	return ((*fp->f_ops->fo_chown)(fp, uid, gid, active_cred, td));
 }
 
+static __inline int
+fo_sendfile(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)
+{
+
+	return ((*fp->f_ops->fo_sendfile)(fp, sockfd, hdr_uio, trl_uio, offset,
+	    nbytes, sent, flags, kflags, td));
+}
+
 #endif /* _KERNEL */
 
 #endif /* !SYS_FILE_H */