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ext4 support

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This patch adds the ext4 filesystem support to mountd. Tested with ext2, ext3
and ext4 partitions.

Signed-off-by: Jaroslaw Swierczynski <jarek1701@gmail.com>

SVN-Revision: 32818
This commit is contained in:
John Crispin 2012-07-24 20:38:26 +00:00
parent ab05409315
commit 543a2eca42
2 changed files with 86 additions and 1 deletions
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2
package/mountd/Makefile
View file

@ -5,7 +5,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=mountd
PKG_VERSION:=0.1
PKG_RELEASE:=4
PKG_RELEASE:=5
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
PKG_SOURCE_URL:=http://mirror2.openwrt.org/sources

85
package/mountd/patches/030-ext4_support.patch Normal file
View file

@ -0,0 +1,85 @@
diff -ruN mountd-0.1.orig/include/fs.h mountd-0.1/include/fs.h
--- mountd-0.1.orig/include/fs.h 2009-10-02 22:57:04.000000000 +0200
+++ mountd-0.1/include/fs.h 2012-07-08 18:42:32.000000000 +0200
@@ -7,5 +7,6 @@
#define EFI 7
#define NTFS 8
#define EXTENDED 9
+#define EXT4 10
int detect_fs(char *device);
diff -ruN mountd-0.1.orig/lib/fs.c mountd-0.1/lib/fs.c
--- mountd-0.1.orig/lib/fs.c 2009-10-02 23:26:22.000000000 +0200
+++ mountd-0.1/lib/fs.c 2012-07-08 19:28:08.000000000 +0200
@@ -91,9 +91,14 @@
goto out;
if(get_le_short(buffer + 56) == 0xEF53)
{
- if((get_le_long(buffer + 96) & 0x0008)
- || (get_le_long(buffer + 92) & 0x0004))
- ret = EXT3;
+ if(get_le_long(buffer + 92) & 0x0004)
+ {
+ if ((get_le_long(buffer + 96) < 0x0000040)
+ && (get_le_long(buffer + 100) < 0x0000008))
+ ret = EXT3;
+ else
+ ret = EXT4;
+ }
else
ret = EXT2;
}
diff -ruN mountd-0.1.orig/lib/mount.c mountd-0.1/lib/mount.c
--- mountd-0.1.orig/lib/mount.c 2009-10-03 12:54:57.000000000 +0200
+++ mountd-0.1/lib/mount.c 2012-07-08 19:04:29.000000000 +0200
@@ -53,7 +53,10 @@
"EXT3",
"FAT",
"HFSPLUS",
- "NTFS"
+ "",
+ "NTFS",
+ "",
+ "EXT4"
};
#define MAX_MOUNTED 32
@@ -93,7 +96,7 @@
ucix_add_option(ctx, mountd, q->serial, "rev", q->rev);
snprintf(t, 64, "size%d", atoi(&q->dev[3]));
ucix_add_option(ctx, mountd, q->serial, t, q->size);
- if(q->fs > MBR && q->fs <= NTFS)
+ if(q->fs > MBR && q->fs <= EXT4)
{
snprintf(t, 64, "fs%d", atoi(&q->dev[3]));
ucix_add_option(ctx, mountd, q->serial, t, fs_names[q->fs]);
@@ -131,7 +134,7 @@
{
struct mount *mount;
char tmp[64], tmp2[64];
- if(fs <= MBR || fs > NTFS)
+ if(fs <= MBR || fs > EXT4)
return;
mount = malloc(sizeof(struct mount));
INIT_LIST_HEAD(&mount->list);
@@ -147,7 +150,7 @@
mount->mounted = 0;
mount->fs = fs;
list_add(&mount->list, &mounts);
- if((!mount->ignore) && (mount->fs > MBR) && (mount->fs <= NTFS))
+ if((!mount->ignore) && (mount->fs > MBR) && (mount->fs <= EXT4))
{
log_printf("new mount : %s -> %s (%s)\n", name, dev, fs_names[mount->fs]);
snprintf(tmp, 64, "%s%s", uci_path, name);
@@ -226,6 +229,11 @@
log_printf("mount -t vfat -o rw,uid=1000,gid=1000 /dev/%s %s", mount->dev, tmp);
ret = system_printf("mount -t vfat -o rw,uid=1000,gid=1000 /dev/%s %s", mount->dev, tmp);
}
+ if(mount->fs == EXT4)
+ {
+ log_printf("mount -t ext4 -o rw,defaults /dev/%s %s", mount->dev, tmp);
+ ret = system_printf("mount -t ext4 -o rw,defaults /dev/%s %s", mount->dev, tmp);
+ }
if(mount->fs == EXT3)
{
log_printf("mount -t ext3 -o rw,defaults /dev/%s %s", mount->dev, tmp);