svn commit: r293567 - in stable/10/sys: amd64/linux amd64/linux32 compat/linux i386/linux

[Dmitry Chagin]

Author: dchagin
Date: Sat Jan  9 17:13:43 2016
New Revision: 293567
URL: https://svnweb.freebsd.org/changeset/base/293567

Log:
  MFC r283465:
  
  Add preliminary fallocate system call implementation
  to emulate posix_fallocate() function.

Modified:
  stable/10/sys/amd64/linux/linux_dummy.c
  stable/10/sys/amd64/linux/syscalls.master
  stable/10/sys/amd64/linux32/linux32_dummy.c
  stable/10/sys/amd64/linux32/syscalls.master
  stable/10/sys/compat/linux/linux_file.c
  stable/10/sys/i386/linux/linux_dummy.c
  stable/10/sys/i386/linux/syscalls.master
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/amd64/linux/linux_dummy.c
==============================================================================
--- stable/10/sys/amd64/linux/linux_dummy.c	Sat Jan  9 17:12:45 2016	(r293566)
+++ stable/10/sys/amd64/linux/linux_dummy.c	Sat Jan  9 17:13:43 2016	(r293567)
@@ -102,7 +102,6 @@ DUMMY(utimensat);
 DUMMY(epoll_pwait);
 DUMMY(signalfd);
 DUMMY(timerfd);
-DUMMY(fallocate);
 DUMMY(timerfd_settime);
 DUMMY(timerfd_gettime);
 DUMMY(signalfd4);

Modified: stable/10/sys/amd64/linux/syscalls.master
==============================================================================
--- stable/10/sys/amd64/linux/syscalls.master	Sat Jan  9 17:12:45 2016	(r293566)
+++ stable/10/sys/amd64/linux/syscalls.master	Sat Jan  9 17:13:43 2016	(r293567)
@@ -474,7 +474,8 @@
 282	AUE_NULL	STD	{ int linux_signalfd(void); }
 283	AUE_NULL	STD	{ int linux_timerfd(void); }
 284	AUE_NULL	STD	{ int linux_eventfd(l_uint initval); }
-285	AUE_NULL	STD	{ int linux_fallocate(void); }
+285	AUE_NULL	STD	{ int linux_fallocate(l_int fd, l_int mode, \
+				    l_loff_t offset, l_loff_t len); }
 286	AUE_NULL	STD	{ int linux_timerfd_settime(void); }
 287	AUE_NULL	STD	{ int linux_timerfd_gettime(void); }
 288	AUE_ACCEPT	STD	{ int linux_accept4(l_int s, l_uintptr_t addr, \

Modified: stable/10/sys/amd64/linux32/linux32_dummy.c
==============================================================================
--- stable/10/sys/amd64/linux32/linux32_dummy.c	Sat Jan  9 17:12:45 2016	(r293566)
+++ stable/10/sys/amd64/linux32/linux32_dummy.c	Sat Jan  9 17:13:43 2016	(r293567)
@@ -108,8 +108,6 @@ DUMMY(epoll_pwait);
 DUMMY(utimensat);
 DUMMY(signalfd);
 DUMMY(timerfd_create);
-/* linux 2.6.23: */
-DUMMY(fallocate);
 /* linux 2.6.25: */
 DUMMY(timerfd_settime);
 DUMMY(timerfd_gettime);

Modified: stable/10/sys/amd64/linux32/syscalls.master
==============================================================================
--- stable/10/sys/amd64/linux32/syscalls.master	Sat Jan  9 17:12:45 2016	(r293566)
+++ stable/10/sys/amd64/linux32/syscalls.master	Sat Jan  9 17:13:43 2016	(r293567)
@@ -538,7 +538,8 @@
 322	AUE_NULL	STD	{ int linux_timerfd_create(void); }
 323	AUE_NULL	STD	{ int linux_eventfd(l_uint initval); }
 ; linux 2.6.23:
-324	AUE_NULL	STD	{ int linux_fallocate(void); }
+324	AUE_NULL	STD	{ int linux_fallocate(l_int fd, l_int mode, \
+				    l_loff_t offset, l_loff_t len); }
 ; linux 2.6.25:
 325	AUE_NULL	STD	{ int linux_timerfd_settime(void); }
 326	AUE_NULL	STD	{ int linux_timerfd_gettime(void); }

Modified: stable/10/sys/compat/linux/linux_file.c
==============================================================================
--- stable/10/sys/compat/linux/linux_file.c	Sat Jan  9 17:12:45 2016	(r293566)
+++ stable/10/sys/compat/linux/linux_file.c	Sat Jan  9 17:13:43 2016	(r293567)
@@ -1628,3 +1628,18 @@ linux_dup3(struct thread *td, struct lin
 	newfd = args->newfd;
 	return (kern_fcntl(td, args->oldfd, cmd, newfd));
 }
+
+int
+linux_fallocate(struct thread *td, struct linux_fallocate_args *args)
+{
+
+	/*
+	 * We emulate only posix_fallocate system call for which
+	 * mode should be 0.
+	 */
+	if (args->mode != 0)
+		return (ENOSYS);
+
+	return (kern_posix_fallocate(td, args->fd, args->offset,
+	    args->len));
+}

Modified: stable/10/sys/i386/linux/linux_dummy.c
==============================================================================
--- stable/10/sys/i386/linux/linux_dummy.c	Sat Jan  9 17:12:45 2016	(r293566)
+++ stable/10/sys/i386/linux/linux_dummy.c	Sat Jan  9 17:13:43 2016	(r293567)
@@ -104,8 +104,6 @@ DUMMY(epoll_pwait);
 DUMMY(utimensat);
 DUMMY(signalfd);
 DUMMY(timerfd_create);
-/* linux 2.6.23: */
-DUMMY(fallocate);
 /* linux 2.6.25: */
 DUMMY(timerfd_settime);
 DUMMY(timerfd_gettime);

Modified: stable/10/sys/i386/linux/syscalls.master
==============================================================================
--- stable/10/sys/i386/linux/syscalls.master	Sat Jan  9 17:12:45 2016	(r293566)
+++ stable/10/sys/i386/linux/syscalls.master	Sat Jan  9 17:13:43 2016	(r293567)
@@ -546,7 +546,8 @@
 322	AUE_NULL	STD	{ int linux_timerfd_create(void); }
 323	AUE_NULL	STD	{ int linux_eventfd(l_uint initval); }
 ; linux 2.6.23:
-324	AUE_NULL	STD	{ int linux_fallocate(void); }
+324	AUE_NULL	STD	{ int linux_fallocate(l_int fd, l_int mode, \
+				    l_loff_t offset, l_loff_t len); }
 ; linux 2.6.25:
 325	AUE_NULL	STD	{ int linux_timerfd_settime(void); }
 326	AUE_NULL	STD	{ int linux_timerfd_gettime(void); }