svn commit: r283465 - in head/sys: amd64/linux amd64/linux32 compat/linux i386/linux
Dmitry Chagin
dchagin at FreeBSD.org
Sun May 24 17:33:24 UTC 2015
Author: dchagin
Date: Sun May 24 17:33:21 2015
New Revision: 283465
URL: https://svnweb.freebsd.org/changeset/base/283465
Log:
Add preliminary fallocate system call implementation
to emulate posix_fallocate() function.
Differential Revision: https://reviews.freebsd.org/D1523
Reviewed by: emaste
Modified:
head/sys/amd64/linux/linux_dummy.c
head/sys/amd64/linux/syscalls.master
head/sys/amd64/linux32/linux32_dummy.c
head/sys/amd64/linux32/syscalls.master
head/sys/compat/linux/linux_file.c
head/sys/i386/linux/linux_dummy.c
head/sys/i386/linux/syscalls.master
Modified: head/sys/amd64/linux/linux_dummy.c
==============================================================================
--- head/sys/amd64/linux/linux_dummy.c Sun May 24 17:30:31 2015 (r283464)
+++ head/sys/amd64/linux/linux_dummy.c Sun May 24 17:33:21 2015 (r283465)
@@ -102,7 +102,6 @@ DUMMY(utimensat);
DUMMY(epoll_pwait);
DUMMY(signalfd);
DUMMY(timerfd);
-DUMMY(fallocate);
DUMMY(timerfd_settime);
DUMMY(timerfd_gettime);
DUMMY(signalfd4);
Modified: head/sys/amd64/linux/syscalls.master
==============================================================================
--- head/sys/amd64/linux/syscalls.master Sun May 24 17:30:31 2015 (r283464)
+++ head/sys/amd64/linux/syscalls.master Sun May 24 17:33:21 2015 (r283465)
@@ -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: head/sys/amd64/linux32/linux32_dummy.c
==============================================================================
--- head/sys/amd64/linux32/linux32_dummy.c Sun May 24 17:30:31 2015 (r283464)
+++ head/sys/amd64/linux32/linux32_dummy.c Sun May 24 17:33:21 2015 (r283465)
@@ -107,8 +107,6 @@ 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: head/sys/amd64/linux32/syscalls.master
==============================================================================
--- head/sys/amd64/linux32/syscalls.master Sun May 24 17:30:31 2015 (r283464)
+++ head/sys/amd64/linux32/syscalls.master Sun May 24 17:33:21 2015 (r283465)
@@ -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: head/sys/compat/linux/linux_file.c
==============================================================================
--- head/sys/compat/linux/linux_file.c Sun May 24 17:30:31 2015 (r283464)
+++ head/sys/compat/linux/linux_file.c Sun May 24 17:33:21 2015 (r283465)
@@ -1636,3 +1636,18 @@ 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: head/sys/i386/linux/linux_dummy.c
==============================================================================
--- head/sys/i386/linux/linux_dummy.c Sun May 24 17:30:31 2015 (r283464)
+++ head/sys/i386/linux/linux_dummy.c Sun May 24 17:33:21 2015 (r283465)
@@ -103,8 +103,6 @@ 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: head/sys/i386/linux/syscalls.master
==============================================================================
--- head/sys/i386/linux/syscalls.master Sun May 24 17:30:31 2015 (r283464)
+++ head/sys/i386/linux/syscalls.master Sun May 24 17:33:21 2015 (r283465)
@@ -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); }
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