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Date: Thu, 12 Jul 2012 21:48:37 +0200
From: Antonio Huete Jiménez <ahuete.devel@...il.com>
To: linux-ext4@...r.kernel.org
Subject: [PATCH] Add support for DragonFly BSD operating system.
Hi,
Find below a patch to add support for DragonFly BSD to e2fsprogs. In the
case it gets rejected please indicate a reason so I can get it fixed.
For convenience I've uploaded the patch here:
http://island.quantumachine.net/~antonioh/archive/patches/0001-Add-support-for-DragonFly-BSD-operating-system.patch
Regards,
Antonio Huete
From 31838ebfd8dd6a52a98ca083fb20401db82e6398 Mon Sep 17 00:00:00 2001
From: Antonio Huete Jimenez <tuxillo@...ntumachine.net>
Date: Thu, 12 Jul 2012 21:33:57 +0200
Subject: [PATCH] Add support for DragonFly BSD operating system.
- Add a new OS tag.
- DragonFly uses DIOCGPART to return disk information.
- Avoid falling to some old FreeBSD 4.x code blocks.
Signed-off-by: Antonio Huete Jimenez <tuxillo@...gonflybsd.org>
---
lib/blkid/getsize.c | 15 ++++++++++++++-
lib/e2p/ostype.c | 5 +++--
lib/ext2fs/ext2_fs.h | 1 +
lib/ext2fs/getsize.c | 13 +++++++++++++
lib/ext2fs/initialize.c | 4 ++++
lib/ext2fs/unix_io.c | 2 +-
misc/mke2fs.c | 2 ++
misc/util.c | 2 +-
8 files changed, 39 insertions(+), 5 deletions(-)
diff --git a/lib/blkid/getsize.c b/lib/blkid/getsize.c
index f670e1b..9b7cf9f 100644
--- a/lib/blkid/getsize.c
+++ b/lib/blkid/getsize.c
@@ -45,7 +45,9 @@
#if HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
-
+#ifdef __DragonFly__
+#include <sys/diskslice.h>
+#endif
#if defined(__linux__) && defined(_IO) && !defined(BLKGETSIZE)
#define BLKGETSIZE _IO(0x12,96) /* return device size */
@@ -87,8 +89,10 @@ blkid_loff_t blkid_get_dev_size(int fd)
#endif
#ifdef HAVE_SYS_DISKLABEL_H
int part = -1;
+#ifndef __DragonFly__
struct disklabel lab;
struct partition *pp;
+#endif /* __DragonFly__ */
char ch;
struct stat st;
#endif /* HAVE_SYS_DISKLABEL_H */
@@ -129,11 +133,19 @@ blkid_loff_t blkid_get_dev_size(int fd)
return (off_t)size64;
#endif /* DIOCGMEDIASIZE */
+/* tested on DragonFly 3.1-DEVELOPMENT i386/X86_64 */
+#ifdef DIOCGPART
+ struct partinfo dp;
+ if (ioctl(fd, DIOCGPART, &dp) >= 0)
+ return (off_t)dp.media_size;
+#endif /* DIOCGPART */
+
#ifdef FDGETPRM
if (ioctl(fd, FDGETPRM, &this_floppy) >= 0)
return (blkid_loff_t)this_floppy.size << 9;
#endif
#ifdef HAVE_SYS_DISKLABEL_H
+#ifndef __DragonFly__
/*
* This code works for FreeBSD 4.11 i386, except for the full device
* (such as /dev/ad0). It doesn't work properly for newer FreeBSD
@@ -151,6 +163,7 @@ blkid_loff_t blkid_get_dev_size(int fd)
if (pp->p_size)
return pp->p_size << 9;
}
+#endif / __DragonFly__ */
#endif /* HAVE_SYS_DISKLABEL_H */
{
#if defined(HAVE_FSTAT64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED)
diff --git a/lib/e2p/ostype.c b/lib/e2p/ostype.c
index d002e75..6d5579a 100644
--- a/lib/e2p/ostype.c
+++ b/lib/e2p/ostype.c
@@ -20,6 +20,7 @@ static const char *os_tab[] =
"Masix",
"FreeBSD",
"Lites",
+ "DragonFly",
0 };
/*
@@ -30,7 +31,7 @@ char *e2p_os2string(int os_type)
const char *os;
char *ret;
- if (os_type <= EXT2_OS_LITES)
+ if (os_type <= EXT2_OS_DRAGONFLY)
os = os_tab[os_type];
else
os = "(unknown os)";
@@ -62,7 +63,7 @@ int main(int argc, char **argv)
char *s;
int i, os;
- for (i=0; i <= EXT2_OS_LITES; i++) {
+ for (i=0; i <= EXT2_OS_DRAGONFLY; i++) {
s = e2p_os2string(i);
os = e2p_string2os(s);
printf("%d: %s (%d)\n", i, s, os);
diff --git a/lib/ext2fs/ext2_fs.h b/lib/ext2fs/ext2_fs.h
index fb3f7cc..d85fb2f 100644
--- a/lib/ext2fs/ext2_fs.h
+++ b/lib/ext2fs/ext2_fs.h
@@ -659,6 +659,7 @@ struct ext2_super_block {
#define EXT2_OBSO_OS_MASIX 2
#define EXT2_OS_FREEBSD 3
#define EXT2_OS_LITES 4
+#define EXT2_OS_DRAGONFLY 5
/*
* Revision levels
diff --git a/lib/ext2fs/getsize.c b/lib/ext2fs/getsize.c
index 0a7053e..1b7cca2 100644
--- a/lib/ext2fs/getsize.c
+++ b/lib/ext2fs/getsize.c
@@ -46,6 +46,9 @@
#include <sys/stat.h>
#endif
#include <ctype.h>
+#ifdef __DragonFly__
+#include <sys/diskslice.h>
+#endif
#if defined(__linux__) && defined(_IO) && !defined(BLKGETSIZE)
#define BLKGETSIZE _IO(0x12,96) /* return device size */
@@ -155,8 +158,10 @@ errcode_t ext2fs_get_device_size2(const char *file,
int blocksize,
#endif
#ifdef HAVE_SYS_DISKLABEL_H
int part;
+#ifndef __DragonFly__
struct disklabel lab;
struct partition *pp;
+#endif /*__DragonFly__ */
char ch;
#endif /* HAVE_SYS_DISKLABEL_H */
@@ -228,6 +233,14 @@ errcode_t ext2fs_get_device_size2(const char *file,
int blocksize,
goto out;
}
}
+#elif defined(DIOCGPART)
+/* DragonFly partition information */
+ struct partinfo dp;
+ if (ioctl(fd, DIOCGPART, &dp) >= 0) {
+ *retblocks = dp.media_size / blocksize;
+ goto out;
+ }
+
#endif /* defined(DIOCG*) */
#endif /* HAVE_SYS_DISKLABEL_H */
diff --git a/lib/ext2fs/initialize.c b/lib/ext2fs/initialize.c
index b06371c..e7acb19 100644
--- a/lib/ext2fs/initialize.c
+++ b/lib/ext2fs/initialize.c
@@ -40,7 +40,11 @@
#if defined(LITES) && defined(EXT2_OS_LITES)
#define CREATOR_OS EXT2_OS_LITES
#else
+#if defined(__DragonFly__) && defined(EXT2_OS_DRAGONFLY)
+#define CREATOR_OS EXT2_OS_DRAGONFLY
+#else
#define CREATOR_OS EXT2_OS_LINUX /* by default */
+#endif /* defined(__DragonFly__) && defined(EXT2_OS_DRAGONFLY) */
#endif /* defined(LITES) && defined(EXT2_OS_LITES) */
#endif /* defined(__FreeBSD__) && defined(EXT2_OS_FREEBSD) */
#endif /* defined(__GNU__) && defined(EXT2_OS_HURD) */
diff --git a/lib/ext2fs/unix_io.c b/lib/ext2fs/unix_io.c
index 02570f0..c305a6c 100644
--- a/lib/ext2fs/unix_io.c
+++ b/lib/ext2fs/unix_io.c
@@ -554,7 +554,7 @@ static errcode_t unix_open(const char *name, int
flags, io_channel *channel)
io->flags |= CHANNEL_FLAGS_DISCARD_ZEROES;
#endif
-#if defined(__CYGWIN__) || defined(__FreeBSD__) ||
defined(__FreeBSD_kernel__)
+#if defined(__CYGWIN__) || defined(__FreeBSD__) ||
defined(__FreeBSD_kernel__) || defined(__DragonFly__)
/*
* Some operating systems require that the buffers be aligned,
* regardless of O_DIRECT
diff --git a/misc/mke2fs.c b/misc/mke2fs.c
index 7ec8cc2..1bd7f6b 100644
--- a/misc/mke2fs.c
+++ b/misc/mke2fs.c
@@ -641,6 +641,8 @@ static int set_os(struct ext2_super_block *sb, char
*os)
sb->s_creator_os = EXT2_OS_FREEBSD;
else if (strcasecmp(os, "lites") == 0)
sb->s_creator_os = EXT2_OS_LITES;
+ else if (strcasecmp(os, "dragonfly") == 0)
+ sb->s_creator_os = EXT2_OS_DRAGONFLY;
else
return 0;
return 1;
diff --git a/misc/util.c b/misc/util.c
index 6c93e1c..ead4467 100644
--- a/misc/util.c
+++ b/misc/util.c
@@ -93,7 +93,7 @@ void check_plausibility(const char *device)
"did you specify it correctly?\n"), stderr);
exit(1);
}
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) ||
defined(__DragonFly__)
/* On FreeBSD, all disk devices are character specials */
if (!S_ISBLK(s.st_mode) && !S_ISCHR(s.st_mode))
#else
--
1.7.3.4
--
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