Add Linux fallocate support.

commit 749f5cc96803f5a2ec0ca76b4bb290cea44fb3f1
Author: Ulrich Drepper <drepper@redhat.com>
Date:   Mon Mar 2 16:15:58 2009 +0000

	* sysdeps/unix/sysv/linux/fallocate.c: New file.
	* sysdeps/unix/sysv/linux/fallocate64.c: New file.
	* sysdeps/unix/sysv/linux/wordsize-64/fallocate64.c: New file.
	* sysdeps/unix/sysv/linux/wordsize-64/fallocate.c: New file.
	* sysdeps/unix/sysv/linux/i386/fallocate64.c: New file.
	* sysdeps/unix/sysv/linux/i386/fallocate.c: New file.
	* sysdeps/unix/sysv/linux/Versions: Export fallocate and fallocate64
	for GLIBC_2.10.
	* sysdeps/unix/sysv/linux/Makefile [subdir=io] (sysdep_routines):
	Add fallocate and fallocate64.
	* io/fcntl.h: Pretty printing.

diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile
index ddbb4f68f8a90254c3c93d34ad363764e6aa3105..3dcad749e06f2ccc6522b60722a26af84a853fe0 100644 (file)
--- a/sysdeps/unix/sysv/linux/Makefile
+++ b/sysdeps/unix/sysv/linux/Makefile
@@ -139,7 +139,7 @@ endif
 
 ifeq ($(subdir),io)
 sysdep_routines += xstatconv internal_statvfs internal_statvfs64 \
-                  sync_file_range open_2 open64_2
+                  sync_file_range open_2 open64_2 fallocate fallocate64
 endif
 
 ifeq ($(subdir),elf)

diff --git a/sysdeps/unix/sysv/linux/Versions b/sysdeps/unix/sysv/linux/Versions
index af4c293c26e8a94096b8c580bfae14d2ea7e8d31..af12084add61be379929c266bfa482615e8114fa 100644 (file)
--- a/sysdeps/unix/sysv/linux/Versions
+++ b/sysdeps/unix/sysv/linux/Versions
@@ -135,6 +135,9 @@ libc {
   GLIBC_2.8 {
     timerfd_create; timerfd_settime; timerfd_gettime;
   }
+  GLIBC_2.10 {
+    fallocate; fallocate64;
+  }
   GLIBC_PRIVATE {
     # functions used in other libraries
     __syscall_rt_sigqueueinfo;

diff --git a/sysdeps/unix/sysv/linux/fallocate.c b/sysdeps/unix/sysv/linux/fallocate.c
new file mode 100644 (file)
index 0000000..f65864f
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/fallocate.c
@@ -0,0 +1,30 @@
+/* Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <fcntl.h>
+#include <sysdep.h>
+
+
+/* Reserve storage for the data of the file associated with FD.  */
+int
+fallocate (int fd, int mode, __off_t offset, __off_t len)
+{
+  return INLINE_SYSCALL (fallocate, err, 6, fd, mode,
+                        __LONG_LONG_PAIR (offset >> 31, offset),
+                        __LONG_LONG_PAIR (len >> 31, len));
+}

diff --git a/sysdeps/unix/sysv/linux/fallocate64.c b/sysdeps/unix/sysv/linux/fallocate64.c
new file mode 100644 (file)
index 0000000..b20486d
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/fallocate64.c
@@ -0,0 +1,32 @@
+/* Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <fcntl.h>
+#include <sysdep.h>
+
+
+/* Reserve storage for the data of the file associated with FD.  */
+int
+__fallocate64_l64 (int fd, int mode, __off64_t offset, __off64_t len)
+{
+  return INLINE_SYSCALL (fallocate, 6, fd, mode,
+                        __LONG_LONG_PAIR ((long int) (offset >> 32),
+                                          (long int) offset),
+                        __LONG_LONG_PAIR ((long int) (len >> 32),
+                                          (long int) len));
+}

diff --git a/sysdeps/unix/sysv/linux/i386/fallocate.c b/sysdeps/unix/sysv/linux/i386/fallocate.c
new file mode 100644 (file)
index 0000000..7a943e4
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/fallocate.c
@@ -0,0 +1,32 @@
+/* Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <fcntl.h>
+#include <sysdep.h>
+
+
+extern int __call_fallocate (int fd, int mode, __off64_t offset, __off64_t len)
+     attribute_hidden;
+
+
+/* Reserve storage for the data of the file associated with FD.  */
+int
+fallocate (int fd, int mode, __off_t offset, __off_t len)
+{
+  return __call_fallocate (fd, mode, offset, len);
+}

diff --git a/sysdeps/unix/sysv/linux/i386/fallocate64.c b/sysdeps/unix/sysv/linux/i386/fallocate64.c
new file mode 100644 (file)
index 0000000..b744710
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/fallocate64.c
@@ -0,0 +1,32 @@
+/* Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <fcntl.h>
+#include <sysdep.h>
+
+
+extern int __call_fallocate (int fd, int mode, __off64_t offset, __off64_t len)
+     attribute_hidden;
+
+
+/* Reserve storage for the data of the file associated with FD.  */
+int
+__fallocate64_l64 (int fd, int mode, __off64_t offset, __off64_t len)
+{
+  return __call_fallocate (fd, mode, offset, len);
+}

diff --git a/sysdeps/unix/sysv/linux/wordsize-64/fallocate.c b/sysdeps/unix/sysv/linux/wordsize-64/fallocate.c
new file mode 100644 (file)
index 0000000..c89e318
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/wordsize-64/fallocate.c
@@ -0,0 +1,29 @@
+/* Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <fcntl.h>
+#include <sysdep.h>
+
+
+/* Reserve storage for the data of the file associated with FD.  */
+int
+fallocate (int fd, int mode, __off_t offset, __off_t len)
+{
+  return INLINE_SYSCALL (fallocate, 4, fd, mode, offset, len);
+}
+strong_alias (posix_fallocate, posix_fallocate64)

diff --git a/sysdeps/unix/sysv/linux/wordsize-64/fallocate64.c b/sysdeps/unix/sysv/linux/wordsize-64/fallocate64.c
new file mode 100644 (file)
index 0000000..df33112
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/wordsize-64/fallocate64.c
@@ -0,0 +1 @@
+/* fallocate64 is in posix_fallocate.c */