New Ext3cow version with some bugs resolved. Updated ext3cow kernel-patch, e3cfsprogs and ext3cow-tools
svn path=/nixpkgs/trunk/; revision=11027
This commit is contained in:
Wouter den Breejen
parent
bad0d45562
commit
f9998954b8
@ -7,8 +7,8 @@ stdenv.mkDerivation {
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patches = [ ./e3cfsprogs-1.39_bin_links.patch ./e3cfsprogs-1.39_etc.patch ];
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src = fetchurl {
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url = http://www.ext3cow.com/Download_files/e3cfsprogs-1.39.tgz;
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sha256 = "26f535007a497d91c85d337ac67d62d42e3c8fde2ee02c5cb6b6e3e884a5d58f";
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url = http://ext3cow.com/e3cfsprogs/e3cfsprogs-1.39.tgz;
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sha256 = "8dd3de546aeb1ae42fb05409aeb724a145fe9aa1dbe1115441c2297c9d48cf31";
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};
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configureFlags =
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@ -5,7 +5,7 @@ stdenv.mkDerivation {
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builder = ./builder.sh;
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src = fetchurl {
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url = http://www.ext3cow.com/Download_files/ext3cow-tools-1.tgz;
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url = http://ext3cow.com/tools/ext3cow-tools.tgz;
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sha256 = "78f55b19c8eeaa7b8abde63c7d6547b1ac0421a46d826a8d41c049719a3081f2";
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};
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@ -1,159 +1,6 @@
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diff -ruN linux-2.6.20.3/fs/Kconfig linux-2.6.20.3-ext3cow/fs/Kconfig
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--- linux-2.6.20.3/fs/Kconfig 2007-03-13 14:27:08.000000000 -0400
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+++ linux-2.6.20.3-ext3cow/fs/Kconfig 2007-04-07 14:23:46.000000000 -0400
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@@ -136,6 +136,77 @@
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If you are not using a security module that requires using
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extended attributes for file security labels, say N.
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+
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+
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+config EXT3COW_FS
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+ tristate "Ext3cow journalling and versioning file system support"
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+ select JBD
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+ help
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+ This is the journalling version of the Second extended file system
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+ (often called ext3), the de facto standard Linux file system
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+ (method to organize files on a storage device) for hard disks.
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+
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+ The journalling code included in this driver means you do not have
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+ to run e2fsck (file system checker) on your file systems after a
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+ crash. The journal keeps track of any changes that were being made
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+ at the time the system crashed, and can ensure that your file system
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+ is consistent without the need for a lengthy check.
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+
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+ Other than adding the journal to the file system, the on-disk format
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+ of ext3 is identical to ext2. It is possible to freely switch
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+ between using the ext3 driver and the ext2 driver, as long as the
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+ file system has been cleanly unmounted, or e2fsck is run on the file
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+ system.
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+
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+ To add a journal on an existing ext2 file system or change the
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+ behavior of ext3 file systems, you can use the tune2fs utility ("man
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+ tune2fs"). To modify attributes of files and directories on ext3
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+ file systems, use chattr ("man chattr"). You need to be using
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+ e2fsprogs version 1.20 or later in order to create ext3 journals
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+ (available at <http://sourceforge.net/projects/e2fsprogs/>).
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+
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+ To compile this file system support as a module, choose M here: the
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+ module will be called ext3.
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+
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+config EXT3COW_FS_XATTR
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+ bool "Ext3cow extended attributes"
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+ depends on EXT3COW_FS
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+ default y
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+ help
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+ Extended attributes are name:value pairs associated with inodes by
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+ the kernel or by users (see the attr(5) manual page, or visit
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+ <http://acl.bestbits.at/> for details).
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+
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+ If unsure, say N.
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+
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+ You need this for POSIX ACL support on ext3cow.
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+
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+config EXT3COW_FS_POSIX_ACL
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+ bool "Ext3cow POSIX Access Control Lists"
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+ depends on EXT3COW_FS_XATTR
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+ select FS_POSIX_ACL
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+ help
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+ Posix Access Control Lists (ACLs) support permissions for users and
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+ groups beyond the owner/group/world scheme.
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+
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+ To learn more about Access Control Lists, visit the Posix ACLs for
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+ Linux website <http://acl.bestbits.at/>.
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+
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+ If you don't know what Access Control Lists are, say N
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+
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+config EXT3COW_FS_SECURITY
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+ bool "Ext3cow Security Labels"
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+ depends on EXT3COW_FS_XATTR
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+ help
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+ Security labels support alternative access control models
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+ implemented by security modules like SELinux. This option
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+ enables an extended attribute handler for file security
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+ labels in the ext3cow filesystem.
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+
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+ If you are not using a security module that requires using
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+ extended attributes for file security labels, say N.
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+
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+
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config EXT4DEV_FS
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tristate "Ext4dev/ext4 extended fs support development (EXPERIMENTAL)"
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depends on EXPERIMENTAL
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@@ -205,23 +276,23 @@
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tristate
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help
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This is a generic journalling layer for block devices. It is
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- currently used by the ext3 and OCFS2 file systems, but it could
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+ currently used by the ext3, ext3cow and OCFS2 file systems, but it could
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also be used to add journal support to other file systems or block
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devices such as RAID or LVM.
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- If you are using the ext3 or OCFS2 file systems, you need to
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+ If you are using the ext3, ext3cow or OCFS2 file systems, you need to
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say Y here. If you are not using ext3 OCFS2 then you will probably
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want to say N.
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To compile this device as a module, choose M here: the module will be
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- called jbd. If you are compiling ext3 or OCFS2 into the kernel,
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+ called jbd. If you are compiling ext3, ext3cow or OCFS2 into the kernel,
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you cannot compile this code as a module.
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config JBD_DEBUG
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bool "JBD (ext3) debugging support"
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depends on JBD
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help
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- If you are using the ext3 journaled file system (or potentially any
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+ If you are using the ext3 or ext3cow journaled file system (or potentially any
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other file system/device using JBD), this option allows you to
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enable debugging output while the system is running, in order to
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help track down any problems you are having. By default the
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@@ -266,11 +337,12 @@
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"echo 0 > /proc/sys/fs/jbd2-debug".
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config FS_MBCACHE
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-# Meta block cache for Extended Attributes (ext2/ext3/ext4)
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+# Meta block cache for Extended Attributes (ext2/ext3(cow)/ext4)
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tristate
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- depends on EXT2_FS_XATTR || EXT3_FS_XATTR || EXT4DEV_FS_XATTR
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- default y if EXT2_FS=y || EXT3_FS=y || EXT4DEV_FS=y
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- default m if EXT2_FS=m || EXT3_FS=m || EXT4DEV_FS=m
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+ depends on EXT2_FS_XATTR || EXT3_FS_XATTR || EXT3COW_FS_XATTR || EXT4DEV_FS_XATTR
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+ default y if EXT2_FS=y || EXT3_FS=y || EXT3COW_FS=y || EXT4DEV_FS=y
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+ default m if EXT2_FS=m || EXT3_FS=m || EXT3COW_FS=m || EXT4DEV_FS=m
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+
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config REISERFS_FS
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tristate "Reiserfs support"
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diff -ruN linux-2.6.20.3/fs/Makefile linux-2.6.20.3-ext3cow/fs/Makefile
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--- linux-2.6.20.3/fs/Makefile 2007-03-13 14:27:08.000000000 -0400
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+++ linux-2.6.20.3-ext3cow/fs/Makefile 2007-04-07 14:23:46.000000000 -0400
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@@ -63,6 +63,7 @@
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# Do not add any filesystems before this line
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obj-$(CONFIG_REISERFS_FS) += reiserfs/
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obj-$(CONFIG_EXT3_FS) += ext3/ # Before ext2 so root fs can be ext3
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+obj-$(CONFIG_EXT3COW_FS) += ext3cow/ # Before ext2 so root fs can be ext3
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obj-$(CONFIG_EXT4DEV_FS) += ext4/ # Before ext2 so root fs can be ext4dev
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obj-$(CONFIG_JBD) += jbd/
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obj-$(CONFIG_JBD2) += jbd2/
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diff -ruN linux-2.6.20.3/fs/ext3cow/Makefile linux-2.6.20.3-ext3cow/fs/ext3cow/Makefile
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--- linux-2.6.20.3/fs/ext3cow/Makefile 1969-12-31 19:00:00.000000000 -0500
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+++ linux-2.6.20.3-ext3cow/fs/ext3cow/Makefile 2007-04-07 14:23:50.000000000 -0400
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@@ -0,0 +1,12 @@
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+#
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+# Makefile for the linux ext3cow-filesystem routines.
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+#
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+
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+obj-$(CONFIG_EXT3COW_FS) += ext3cow.o
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+
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+ext3cow-y := balloc.o bitmap.o dir.o file.o fsync.o ialloc.o inode.o \
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+ ioctl.o namei.o super.o symlink.o hash.o resize.o ext3cow_jbd.o
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+
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+ext3cow-$(CONFIG_EXT3COW_FS_XATTR) += xattr.o xattr_user.o xattr_trusted.o
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+ext3cow-$(CONFIG_EXT3COW_FS_POSIX_ACL) += acl.o
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+ext3cow-$(CONFIG_EXT3COW_FS_SECURITY) += xattr_security.o
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diff -ruN linux-2.6.20.3/fs/ext3cow/acl.c linux-2.6.20.3-ext3cow/fs/ext3cow/acl.c
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--- linux-2.6.20.3/fs/ext3cow/acl.c 1969-12-31 19:00:00.000000000 -0500
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+++ linux-2.6.20.3-ext3cow/fs/ext3cow/acl.c 2007-04-07 14:23:50.000000000 -0400
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+++ linux-2.6.20.3-ext3cow/fs/ext3cow/acl.c 2008-03-09 11:14:49.000000000 -0400
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@@ -0,0 +1,551 @@
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+/*
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+ * linux/fs/ext3cow/acl.c
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@ -708,7 +555,7 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/acl.c linux-2.6.20.3-ext3cow/fs/ext3cow/acl.
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+};
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diff -ruN linux-2.6.20.3/fs/ext3cow/acl.h linux-2.6.20.3-ext3cow/fs/ext3cow/acl.h
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--- linux-2.6.20.3/fs/ext3cow/acl.h 1969-12-31 19:00:00.000000000 -0500
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+++ linux-2.6.20.3-ext3cow/fs/ext3cow/acl.h 2007-04-07 14:23:50.000000000 -0400
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+++ linux-2.6.20.3-ext3cow/fs/ext3cow/acl.h 2008-03-09 11:14:48.000000000 -0400
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@@ -0,0 +1,81 @@
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+/*
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+ File: fs/ext3cow/acl.h
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@ -793,7 +640,7 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/acl.h linux-2.6.20.3-ext3cow/fs/ext3cow/acl.
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+
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diff -ruN linux-2.6.20.3/fs/ext3cow/balloc.c linux-2.6.20.3-ext3cow/fs/ext3cow/balloc.c
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--- linux-2.6.20.3/fs/ext3cow/balloc.c 1969-12-31 19:00:00.000000000 -0500
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+++ linux-2.6.20.3-ext3cow/fs/ext3cow/balloc.c 2007-04-14 11:40:48.000000000 -0400
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+++ linux-2.6.20.3-ext3cow/fs/ext3cow/balloc.c 2008-03-09 11:14:48.000000000 -0400
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@@ -0,0 +1,1823 @@
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+/*
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+ * linux/fs/ext3cow/balloc.c
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@ -2620,7 +2467,7 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/balloc.c linux-2.6.20.3-ext3cow/fs/ext3cow/b
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+}
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diff -ruN linux-2.6.20.3/fs/ext3cow/bitmap.c linux-2.6.20.3-ext3cow/fs/ext3cow/bitmap.c
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--- linux-2.6.20.3/fs/ext3cow/bitmap.c 1969-12-31 19:00:00.000000000 -0500
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+++ linux-2.6.20.3-ext3cow/fs/ext3cow/bitmap.c 2007-04-07 14:23:50.000000000 -0400
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+++ linux-2.6.20.3-ext3cow/fs/ext3cow/bitmap.c 2008-03-09 11:14:48.000000000 -0400
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@@ -0,0 +1,32 @@
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+/*
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+ * linux/fs/ext3/bitmap.c
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@ -2654,9 +2501,26 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/bitmap.c linux-2.6.20.3-ext3cow/fs/ext3cow/b
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+
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+#endif /* EXT3COWFS_DEBUG */
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+
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diff -ruN linux-2.6.20.3/fs/ext3cow/CHANGELOG linux-2.6.20.3-ext3cow/fs/ext3cow/CHANGELOG
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--- linux-2.6.20.3/fs/ext3cow/CHANGELOG 1969-12-31 19:00:00.000000000 -0500
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+++ linux-2.6.20.3-ext3cow/fs/ext3cow/CHANGELOG 2008-03-09 11:27:12.000000000 -0400
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@@ -0,0 +1,12 @@
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+3-9-08
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+- Fixed a bug that resulted in the first block in a newly allocated indirect block to be allocated over and over again.
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+- Fixed a bug that resulted in COW bitmaps not to be reset after truncate.
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+- Bug e2fsprogs that caused aborting journal fixed.
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+
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+6-20-97
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+- Finished the rollback code for inode chains in case of error.
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+
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+6-18-07
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+- Added support for 32-bit uid's and gid's back in again
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+- Took out support for block fragmentation
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+- Hopefully fixed the non-sticking uid/gid bug.
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\ No newline at end of file
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diff -ruN linux-2.6.20.3/fs/ext3cow/dir.c linux-2.6.20.3-ext3cow/fs/ext3cow/dir.c
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--- linux-2.6.20.3/fs/ext3cow/dir.c 1969-12-31 19:00:00.000000000 -0500
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+++ linux-2.6.20.3-ext3cow/fs/ext3cow/dir.c 2007-04-07 14:23:50.000000000 -0400
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+++ linux-2.6.20.3-ext3cow/fs/ext3cow/dir.c 2008-03-09 11:14:49.000000000 -0400
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@@ -0,0 +1,732 @@
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+/*
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+ * linux/fs/ext3cow/dir.c
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@ -2769,7 +2633,7 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/dir.c linux-2.6.20.3-ext3cow/fs/ext3cow/dir.
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+ * of recovering data when there's a bad sector
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+ */
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+ if (!bh) {
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+ ext3cow_error (sb, "ext3cow_readdir",
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+ ext3cow_error (sb, "ext3cow_versions",
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+ "directory #%lu contains a hole at offset %lu",
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+ dir->i_ino, (unsigned long)filp->f_pos);
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+ /* corrupt size? Maybe no more blocks to read */
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@ -2808,7 +2672,7 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/dir.c linux-2.6.20.3-ext3cow/fs/ext3cow/dir.
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+ while (!error && filp->f_pos < dir->i_size
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+ && offset < sb->s_blocksize) {
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+ de = (struct ext3cow_dir_entry_2 *) (bh->b_data + offset);
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+ if (!ext3cow_check_dir_entry ("ext3cow_readdir", dir, de,
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+ if (!ext3cow_check_dir_entry ("ext3cow_readversions", dir, de,
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+ bh, offset)) {
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+ /* On error, skip the f_pos to the
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+ next block. */
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@ -3392,7 +3256,7 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/dir.c linux-2.6.20.3-ext3cow/fs/ext3cow/dir.
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+#endif
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diff -ruN linux-2.6.20.3/fs/ext3cow/ext3cow_jbd.c linux-2.6.20.3-ext3cow/fs/ext3cow/ext3cow_jbd.c
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--- linux-2.6.20.3/fs/ext3cow/ext3cow_jbd.c 1969-12-31 19:00:00.000000000 -0500
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+++ linux-2.6.20.3-ext3cow/fs/ext3cow/ext3cow_jbd.c 2007-04-07 14:23:50.000000000 -0400
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+++ linux-2.6.20.3-ext3cow/fs/ext3cow/ext3cow_jbd.c 2008-03-09 11:14:48.000000000 -0400
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@@ -0,0 +1,59 @@
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+/*
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+ * Interface between ext3cow and JBD
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@ -3455,7 +3319,7 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/ext3cow_jbd.c linux-2.6.20.3-ext3cow/fs/ext3
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+}
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diff -ruN linux-2.6.20.3/fs/ext3cow/file.c linux-2.6.20.3-ext3cow/fs/ext3cow/file.c
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--- linux-2.6.20.3/fs/ext3cow/file.c 1969-12-31 19:00:00.000000000 -0500
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+++ linux-2.6.20.3-ext3cow/fs/ext3cow/file.c 2007-04-07 14:23:50.000000000 -0400
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+++ linux-2.6.20.3-ext3cow/fs/ext3cow/file.c 2008-03-09 11:14:48.000000000 -0400
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@@ -0,0 +1,147 @@
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+/*
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+ * linux/fs/ext3cow/file.c
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@ -3606,7 +3470,7 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/file.c linux-2.6.20.3-ext3cow/fs/ext3cow/fil
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+
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diff -ruN linux-2.6.20.3/fs/ext3cow/fsync.c linux-2.6.20.3-ext3cow/fs/ext3cow/fsync.c
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--- linux-2.6.20.3/fs/ext3cow/fsync.c 1969-12-31 19:00:00.000000000 -0500
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+++ linux-2.6.20.3-ext3cow/fs/ext3cow/fsync.c 2007-04-07 14:23:50.000000000 -0400
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+++ linux-2.6.20.3-ext3cow/fs/ext3cow/fsync.c 2008-03-09 11:14:48.000000000 -0400
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@@ -0,0 +1,88 @@
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+/*
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+ * linux/fs/ext3cow/fsync.c
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@ -3698,7 +3562,7 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/fsync.c linux-2.6.20.3-ext3cow/fs/ext3cow/fs
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+}
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diff -ruN linux-2.6.20.3/fs/ext3cow/hash.c linux-2.6.20.3-ext3cow/fs/ext3cow/hash.c
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--- linux-2.6.20.3/fs/ext3cow/hash.c 1969-12-31 19:00:00.000000000 -0500
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+++ linux-2.6.20.3-ext3cow/fs/ext3cow/hash.c 2007-04-07 14:23:50.000000000 -0400
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+++ linux-2.6.20.3-ext3cow/fs/ext3cow/hash.c 2008-03-09 11:14:48.000000000 -0400
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@@ -0,0 +1,152 @@
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+/*
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+ * linux/fs/ext3cow/hash.c
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@ -3854,8 +3718,8 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/hash.c linux-2.6.20.3-ext3cow/fs/ext3cow/has
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+}
|
||||
diff -ruN linux-2.6.20.3/fs/ext3cow/ialloc.c linux-2.6.20.3-ext3cow/fs/ext3cow/ialloc.c
|
||||
--- linux-2.6.20.3/fs/ext3cow/ialloc.c 1969-12-31 19:00:00.000000000 -0500
|
||||
+++ linux-2.6.20.3-ext3cow/fs/ext3cow/ialloc.c 2007-04-07 14:23:50.000000000 -0400
|
||||
@@ -0,0 +1,763 @@
|
||||
+++ linux-2.6.20.3-ext3cow/fs/ext3cow/ialloc.c 2008-03-09 11:14:48.000000000 -0400
|
||||
@@ -0,0 +1,764 @@
|
||||
+/*
|
||||
+ * linux/fs/ext3cow/ialloc.c
|
||||
+ *
|
||||
@ -4436,9 +4300,10 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/ialloc.c linux-2.6.20.3-ext3cow/fs/ext3cow/i
|
||||
+ if (!S_ISDIR(mode))
|
||||
+ ei->i_flags &= ~EXT3COW_DIRSYNC_FL;
|
||||
+#ifdef EXT3COW_FRAGMENTS
|
||||
+ ei->i_faddr = 0;
|
||||
+ ei->i_frag_no = 0;
|
||||
+ ei->i_frag_size = 0;
|
||||
+ /* Taken out for versioning -znjp */
|
||||
+ //ei->i_faddr = 0;
|
||||
+ //ei->i_frag_no = 0;
|
||||
+ //ei->i_frag_size = 0;
|
||||
+#endif
|
||||
+ ei->i_file_acl = 0;
|
||||
+ ei->i_dir_acl = 0;
|
||||
@ -4621,8 +4486,8 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/ialloc.c linux-2.6.20.3-ext3cow/fs/ext3cow/i
|
||||
+
|
||||
diff -ruN linux-2.6.20.3/fs/ext3cow/inode.c linux-2.6.20.3-ext3cow/fs/ext3cow/inode.c
|
||||
--- linux-2.6.20.3/fs/ext3cow/inode.c 1969-12-31 19:00:00.000000000 -0500
|
||||
+++ linux-2.6.20.3-ext3cow/fs/ext3cow/inode.c 2007-04-17 11:34:02.000000000 -0400
|
||||
@@ -0,0 +1,3474 @@
|
||||
+++ linux-2.6.20.3-ext3cow/fs/ext3cow/inode.c 2008-03-09 11:14:48.000000000 -0400
|
||||
@@ -0,0 +1,3502 @@
|
||||
+/*
|
||||
+ * linux/fs/ext3cow/inode.c
|
||||
+ *
|
||||
@ -5012,25 +4877,28 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/inode.c linux-2.6.20.3-ext3cow/fs/ext3cow/in
|
||||
+{
|
||||
+ struct super_block *sb = inode->i_sb;
|
||||
+ Indirect *p = chain;
|
||||
+ struct buffer_head *bh;
|
||||
+ u32* bitmap_w;
|
||||
+ struct buffer_head *bh = NULL;
|
||||
+ u32 *bitmap_w = NULL;
|
||||
+ int ptrs = EXT3COW_ADDR_PER_BLOCK(inode->i_sb);
|
||||
+ int nbitsperword = (sizeof(u32) * 8);
|
||||
+
|
||||
+ *err = 0;
|
||||
+ *cow = 0;
|
||||
+
|
||||
+
|
||||
+ /* i_data is not going away, no lock needed */
|
||||
+ add_chain (chain, NULL, EXT3COW_I(inode)->i_data + *offsets);
|
||||
+ if (!p->key){
|
||||
+ /* Set the bitmap on allocation - znjp */
|
||||
+ if(create)
|
||||
+ if(create){
|
||||
+ EXT3COW_I(inode)->i_cow_bitmap |= (1UL << *offsets);
|
||||
+ }
|
||||
+ goto no_block;
|
||||
+ }
|
||||
+
|
||||
+ /* Are we COWing any direct blocks? -znjp */
|
||||
+ /* Are we writing and COWing any direct blocks? -znjp */
|
||||
+ if(create && !(EXT3COW_I(inode)->i_cow_bitmap & (1UL << *offsets))){
|
||||
+ printk(KERN_INFO "COWing direct block\n");
|
||||
+ //printk(KERN_INFO "COWing direct block\n");
|
||||
+ *(p->p) = 0;
|
||||
+ p->key = 0;
|
||||
+ /* Set the bitamp when COWing -znjp */
|
||||
@ -5040,6 +4908,7 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/inode.c linux-2.6.20.3-ext3cow/fs/ext3cow/in
|
||||
+ }
|
||||
+
|
||||
+ while (--depth) {
|
||||
+
|
||||
+ bh = sb_bread(sb, le32_to_cpu(p->key));
|
||||
+ if (!bh)
|
||||
+ goto failure;
|
||||
@ -5049,23 +4918,23 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/inode.c linux-2.6.20.3-ext3cow/fs/ext3cow/in
|
||||
+ goto changed;
|
||||
+ add_chain(++p, bh, (__le32*)bh->b_data + *++offsets);
|
||||
+ /* Reader: end */
|
||||
+ /* Find correct bitamp word */
|
||||
+ /* Find correct bitmap word */
|
||||
+ bitmap_w = (u32*)bh->b_data + ptrs + (*offsets/nbitsperword);
|
||||
+ if (!p->key){
|
||||
+ /* Set the bitmap when allocating -znjp */
|
||||
+ if(create)
|
||||
+ *bitmap_w = (u32)*bitmap_w | (u32)(1UL << (int)(*offsets%nbitsperword));
|
||||
+ if(create){
|
||||
+ *bitmap_w |= (u32)(1UL << (int)(*offsets%nbitsperword));
|
||||
+ }
|
||||
+ goto no_block;
|
||||
+ }
|
||||
+
|
||||
+ /* Are we COWing any indirect blocks? -znjp */
|
||||
+ if(create && !((1UL << (int)(*offsets%nbitsperword)) &
|
||||
+ le32_to_cpu((u32)*bitmap_w))){
|
||||
+ printk(KERN_INFO "COWing indirect block\n");
|
||||
+ if(create && !(*bitmap_w & (1UL << (int)(*offsets%nbitsperword)))){
|
||||
+ //printk(KERN_INFO "COWing indirect block\n");
|
||||
+ *(p->p) = 0;
|
||||
+ p->key = 0;
|
||||
+ /* Set the bitmap -znjp */
|
||||
+ *bitmap_w = (u32)*bitmap_w | (u32)(1UL << (int)(*offsets%nbitsperword));
|
||||
+ *bitmap_w |= (u32)(1UL << (int)(*offsets%nbitsperword));
|
||||
+ *cow = 1;
|
||||
+ goto no_block;
|
||||
+ }
|
||||
@ -5297,6 +5166,10 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/inode.c linux-2.6.20.3-ext3cow/fs/ext3cow/in
|
||||
+ ext3cow_fsblk_t new_blocks[4];
|
||||
+ ext3cow_fsblk_t current_block;
|
||||
+
|
||||
+ u32 *bitmap_w = NULL;
|
||||
+ int ptrs = EXT3COW_ADDR_PER_BLOCK(inode->i_sb);
|
||||
+ int nbitsperword = (sizeof(u32) * 8);
|
||||
+
|
||||
+ num = ext3cow_alloc_blocks(handle, inode, goal, indirect_blks,
|
||||
+ *blks, new_blocks, &err);
|
||||
+ if (err)
|
||||
@ -5306,6 +5179,7 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/inode.c linux-2.6.20.3-ext3cow/fs/ext3cow/in
|
||||
+ /*
|
||||
+ * metadata blocks and data blocks are allocated.
|
||||
+ */
|
||||
+
|
||||
+ for (n = 1; n <= indirect_blks; n++) {
|
||||
+ /*
|
||||
+ * Get buffer_head for parent block, zero it out
|
||||
@ -5324,6 +5198,13 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/inode.c linux-2.6.20.3-ext3cow/fs/ext3cow/in
|
||||
+ }
|
||||
+
|
||||
+ memset(bh->b_data, 0, blocksize);
|
||||
+ /* Mark the cow bitmap for each new indirect block allocated.
|
||||
+ * We had to put this here, because get_branch was insufficient
|
||||
+ * when allocating an indirect block. -znjp
|
||||
+ */
|
||||
+ bitmap_w = (u32*)bh->b_data + ptrs + (offsets[n]/nbitsperword);
|
||||
+ *bitmap_w |= (u32)(1UL << (int)(offsets[n]%nbitsperword));
|
||||
+
|
||||
+ branch[n].p = (__le32 *) bh->b_data + offsets[n];
|
||||
+ branch[n].key = cpu_to_le32(new_blocks[n]);
|
||||
+ *branch[n].p = branch[n].key;
|
||||
@ -6902,6 +6783,7 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/inode.c linux-2.6.20.3-ext3cow/fs/ext3cow/in
|
||||
+ continue;
|
||||
+ }
|
||||
+ /* Only free the branches that have been newly allocated - znjp */
|
||||
+ /* Also, set the bits back to 0 in the bitmap -znjp */
|
||||
+ cur = 0;
|
||||
+ count = 0;
|
||||
+ bitmap_word = (u32*)bh->b_data + addr_per_block;
|
||||
@ -6924,6 +6806,8 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/inode.c linux-2.6.20.3-ext3cow/fs/ext3cow/in
|
||||
+ first_block = (u32*)bh->b_data + cur;
|
||||
+ count = 1;
|
||||
+ }
|
||||
+ /* Set the bit in the bitmap back to 0 */
|
||||
+ *bitmap_word ^= (1UL << i);
|
||||
+ }
|
||||
+ }
|
||||
+ (u32*)bitmap_word++;
|
||||
@ -7135,6 +7019,9 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/inode.c linux-2.6.20.3-ext3cow/fs/ext3cow/in
|
||||
+
|
||||
+ /* We only want to remove blocks that were allocated in this
|
||||
+ * epoch, i.e., have 1 bit in the bitmap. -znjp */
|
||||
+ /* If we're going to truncate a block, we should its
|
||||
+ * corresponding bit in the bitmap back to 0, meaning,
|
||||
+ * it needs to be allocated - znjp */
|
||||
+ for(b = offsets[0]; b < EXT3COW_NDIR_BLOCKS; b++){
|
||||
+ if(EXT3COW_I(inode)->i_cow_bitmap & (1UL << b)){
|
||||
+ if(count == 0){
|
||||
@ -7148,6 +7035,8 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/inode.c linux-2.6.20.3-ext3cow/fs/ext3cow/in
|
||||
+ block_to_free = b;
|
||||
+ count = 1;
|
||||
+ }
|
||||
+ /* Turn off the bit in the bitmap */
|
||||
+ EXT3COW_I(inode)->i_cow_bitmap ^= (1UL << b);
|
||||
+ }
|
||||
+ }
|
||||
+ if(count > 0)
|
||||
@ -7198,6 +7087,8 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/inode.c linux-2.6.20.3-ext3cow/fs/ext3cow/in
|
||||
+ ext3cow_free_branches(handle, inode, NULL, &nr, &nr+1, 1);
|
||||
+ i_data[EXT3COW_IND_BLOCK] = 0;
|
||||
+ }
|
||||
+ /* And set bitmap back to 0 */
|
||||
+ EXT3COW_I(inode)->i_cow_bitmap ^= (1UL << EXT3COW_IND_BLOCK);
|
||||
+ }
|
||||
+ case EXT3COW_IND_BLOCK:
|
||||
+ if(EXT3COW_I(inode)->i_cow_bitmap & (1UL << EXT3COW_DIND_BLOCK)){
|
||||
@ -7206,6 +7097,7 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/inode.c linux-2.6.20.3-ext3cow/fs/ext3cow/in
|
||||
+ ext3cow_free_branches(handle, inode, NULL, &nr, &nr+1, 2);
|
||||
+ i_data[EXT3COW_DIND_BLOCK] = 0;
|
||||
+ }
|
||||
+ EXT3COW_I(inode)->i_cow_bitmap ^= (1UL << EXT3COW_DIND_BLOCK);
|
||||
+ }
|
||||
+ case EXT3COW_DIND_BLOCK:
|
||||
+ if(EXT3COW_I(inode)->i_cow_bitmap & (1UL << EXT3COW_TIND_BLOCK)){
|
||||
@ -7214,6 +7106,7 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/inode.c linux-2.6.20.3-ext3cow/fs/ext3cow/in
|
||||
+ ext3cow_free_branches(handle, inode, NULL, &nr, &nr+1, 3);
|
||||
+ i_data[EXT3COW_TIND_BLOCK] = 0;
|
||||
+ }
|
||||
+ EXT3COW_I(inode)->i_cow_bitmap ^= (1UL << EXT3COW_TIND_BLOCK);
|
||||
+ }
|
||||
+ case EXT3COW_TIND_BLOCK:
|
||||
+ ;
|
||||
@ -7450,12 +7343,10 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/inode.c linux-2.6.20.3-ext3cow/fs/ext3cow/in
|
||||
+ inode->i_mode = le16_to_cpu(raw_inode->i_mode);
|
||||
+ inode->i_uid = (uid_t)le16_to_cpu(raw_inode->i_uid_low);
|
||||
+ inode->i_gid = (gid_t)le16_to_cpu(raw_inode->i_gid_low);
|
||||
+ /* Taken out for versioning -znjp
|
||||
+ if(!(test_opt (inode->i_sb, NO_UID32))) {
|
||||
+ inode->i_uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
|
||||
+ inode->i_gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
|
||||
+ }
|
||||
+ */
|
||||
+ inode->i_nlink = le16_to_cpu(raw_inode->i_links_count);
|
||||
+ inode->i_size = le32_to_cpu(raw_inode->i_size);
|
||||
+ inode->i_atime.tv_sec = le32_to_cpu(raw_inode->i_atime);
|
||||
@ -7491,9 +7382,10 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/inode.c linux-2.6.20.3-ext3cow/fs/ext3cow/in
|
||||
+ ei->i_next_inode = le32_to_cpu(raw_inode->i_nxt_inode);
|
||||
+
|
||||
+#ifdef EXT3COW_FRAGMENTS
|
||||
+ ei->i_faddr = le32_to_cpu(raw_inode->i_faddr);
|
||||
+ ei->i_frag_no = raw_inode->i_frag;
|
||||
+ ei->i_frag_size = raw_inode->i_fsize;
|
||||
+ /* Taken out for versioning -znjp */
|
||||
+ //ei->i_faddr = le32_to_cpu(raw_inode->i_faddr);
|
||||
+ //ei->i_frag_no = raw_inode->i_frag;
|
||||
+ //ei->i_frag_size = raw_inode->i_fsize;
|
||||
+#endif
|
||||
+ ei->i_file_acl = le32_to_cpu(raw_inode->i_file_acl);
|
||||
+ if (!S_ISREG(inode->i_mode)) {
|
||||
@ -7593,15 +7485,15 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/inode.c linux-2.6.20.3-ext3cow/fs/ext3cow/in
|
||||
+
|
||||
+ raw_inode->i_mode = cpu_to_le16(inode->i_mode);
|
||||
+
|
||||
+ /* Taken out for versioning -znjp
|
||||
+
|
||||
+ if(!(test_opt(inode->i_sb, NO_UID32))) {
|
||||
+ raw_inode->i_uid_low = cpu_to_le16(low_16_bits(inode->i_uid));
|
||||
+ raw_inode->i_gid_low = cpu_to_le16(low_16_bits(inode->i_gid));
|
||||
+*
|
||||
+ * Fix up interoperability with old kernels. Otherwise, old inodes get
|
||||
+ * re-used with the upper 16 bits of the uid/gid intact
|
||||
+ *
|
||||
+
|
||||
+
|
||||
+ /* Fix up interoperability with old kernels. Otherwise, old inodes get
|
||||
+ * re-used with the upper 16 bits of the uid/gid intact
|
||||
+ */
|
||||
+
|
||||
+ if(!ei->i_dtime) {
|
||||
+ raw_inode->i_uid_high =
|
||||
+ cpu_to_le16(high_16_bits(inode->i_uid));
|
||||
@ -7620,7 +7512,7 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/inode.c linux-2.6.20.3-ext3cow/fs/ext3cow/in
|
||||
+ raw_inode->i_uid_high = 0;
|
||||
+ raw_inode->i_gid_high = 0;
|
||||
+ }
|
||||
+ */
|
||||
+
|
||||
+ raw_inode->i_links_count = cpu_to_le16(inode->i_nlink);
|
||||
+ raw_inode->i_size = cpu_to_le32(ei->i_disksize);
|
||||
+ raw_inode->i_atime = cpu_to_le32(inode->i_atime.tv_sec);
|
||||
@ -7635,9 +7527,10 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/inode.c linux-2.6.20.3-ext3cow/fs/ext3cow/in
|
||||
+ raw_inode->i_nxt_inode = cpu_to_le32(EXT3COW_I(inode)->i_next_inode);
|
||||
+
|
||||
+#ifdef EXT3COW_FRAGMENTS
|
||||
+ raw_inode->i_faddr = cpu_to_le32(ei->i_faddr);
|
||||
+ raw_inode->i_frag = ei->i_frag_no;
|
||||
+ raw_inode->i_fsize = ei->i_frag_size;
|
||||
+ /* Taken out for versioning -znjp */
|
||||
+ //raw_inode->i_faddr = cpu_to_le32(ei->i_faddr);
|
||||
+ //raw_inode->i_frag = ei->i_frag_no;
|
||||
+ //raw_inode->i_fsize = ei->i_frag_size;
|
||||
+#endif
|
||||
+ raw_inode->i_file_acl = cpu_to_le32(ei->i_file_acl);
|
||||
+ if (!S_ISREG(inode->i_mode)) {
|
||||
@ -8099,7 +7992,7 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/inode.c linux-2.6.20.3-ext3cow/fs/ext3cow/in
|
||||
+}
|
||||
diff -ruN linux-2.6.20.3/fs/ext3cow/ioctl.c linux-2.6.20.3-ext3cow/fs/ext3cow/ioctl.c
|
||||
--- linux-2.6.20.3/fs/ext3cow/ioctl.c 1969-12-31 19:00:00.000000000 -0500
|
||||
+++ linux-2.6.20.3-ext3cow/fs/ext3cow/ioctl.c 2007-04-07 14:23:50.000000000 -0400
|
||||
+++ linux-2.6.20.3-ext3cow/fs/ext3cow/ioctl.c 2008-03-09 11:14:48.000000000 -0400
|
||||
@@ -0,0 +1,312 @@
|
||||
+/*
|
||||
+ * linux/fs/ext3cow/ioctl.c
|
||||
@ -8413,10 +8306,26 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/ioctl.c linux-2.6.20.3-ext3cow/fs/ext3cow/io
|
||||
+ return ret;
|
||||
+}
|
||||
+#endif
|
||||
diff -ruN linux-2.6.20.3/fs/ext3cow/Makefile linux-2.6.20.3-ext3cow/fs/ext3cow/Makefile
|
||||
--- linux-2.6.20.3/fs/ext3cow/Makefile 1969-12-31 19:00:00.000000000 -0500
|
||||
+++ linux-2.6.20.3-ext3cow/fs/ext3cow/Makefile 2008-03-09 11:14:49.000000000 -0400
|
||||
@@ -0,0 +1,12 @@
|
||||
+#
|
||||
+# Makefile for the linux ext3cow-filesystem routines.
|
||||
+#
|
||||
+
|
||||
+obj-$(CONFIG_EXT3COW_FS) += ext3cow.o
|
||||
+
|
||||
+ext3cow-y := balloc.o bitmap.o dir.o file.o fsync.o ialloc.o inode.o \
|
||||
+ ioctl.o namei.o super.o symlink.o hash.o resize.o ext3cow_jbd.o
|
||||
+
|
||||
+ext3cow-$(CONFIG_EXT3COW_FS_XATTR) += xattr.o xattr_user.o xattr_trusted.o
|
||||
+ext3cow-$(CONFIG_EXT3COW_FS_POSIX_ACL) += acl.o
|
||||
+ext3cow-$(CONFIG_EXT3COW_FS_SECURITY) += xattr_security.o
|
||||
diff -ruN linux-2.6.20.3/fs/ext3cow/namei.c linux-2.6.20.3-ext3cow/fs/ext3cow/namei.c
|
||||
--- linux-2.6.20.3/fs/ext3cow/namei.c 1969-12-31 19:00:00.000000000 -0500
|
||||
+++ linux-2.6.20.3-ext3cow/fs/ext3cow/namei.c 2007-04-16 22:44:05.000000000 -0400
|
||||
@@ -0,0 +1,2960 @@
|
||||
+++ linux-2.6.20.3-ext3cow/fs/ext3cow/namei.c 2008-03-09 11:14:48.000000000 -0400
|
||||
@@ -0,0 +1,2979 @@
|
||||
+/*
|
||||
+ * linux/fs/ext3cow/namei.c
|
||||
+ *
|
||||
@ -9988,7 +9897,6 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/namei.c linux-2.6.20.3-ext3cow/fs/ext3cow/na
|
||||
+
|
||||
+ if(EXT3COW_S_EPOCHNUMBER(sb) > EXT3COW_I_EPOCHNUMBER(dir)){
|
||||
+ if(ext3cow_dup_inode(dentry->d_parent->d_parent->d_inode, dir))
|
||||
+ //if(ext3cow_dup_inode(NULL, dir))
|
||||
+ return -1;
|
||||
+ }
|
||||
+
|
||||
@ -10197,7 +10105,6 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/namei.c linux-2.6.20.3-ext3cow/fs/ext3cow/na
|
||||
+
|
||||
+ if(EXT3COW_S_EPOCHNUMBER(dir->i_sb) > EXT3COW_I_EPOCHNUMBER(dir)){
|
||||
+ if(ext3cow_dup_inode(dentry->d_parent->d_parent->d_inode, dir))
|
||||
+ //if(ext3cow_dup_inode(NULL, dir))
|
||||
+ return -1;
|
||||
+ }
|
||||
+
|
||||
@ -11074,11 +10981,6 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/namei.c linux-2.6.20.3-ext3cow/fs/ext3cow/na
|
||||
+ fake_inode->i_uid = inode->i_uid;
|
||||
+ fake_inode->i_gid = inode->i_gid;
|
||||
+
|
||||
+ /* uid_high and gid_high code would go here -znjp
|
||||
+ fake_inode->i_uid_high = inode->i_uid_high;
|
||||
+ fake_inode->i_gid_high = inode->i_gid_high;
|
||||
+ */
|
||||
+
|
||||
+ atomic_set(&fake_inode->i_count, 1);
|
||||
+
|
||||
+ fake_inode->i_nlink = inode->i_nlink;
|
||||
@ -11097,9 +10999,10 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/namei.c linux-2.6.20.3-ext3cow/fs/ext3cow/na
|
||||
+ fake_inode->i_blocks = inode->i_blocks;
|
||||
+ fake_ini->i_flags = ini->i_flags;
|
||||
+#ifdef EXT3COW_FRAGMENTS
|
||||
+ fake_ini->i_faddr = ini->i_faddr;
|
||||
+ fake_ini->i_frag_no = ini->i_frag_no;
|
||||
+ fake_ini->i_frag_size = ini->i_frag_size;
|
||||
+ /* Taken out for versioning -znjp */
|
||||
+ //fake_ini->i_faddr = ini->i_faddr;
|
||||
+ //fake_ini->i_frag_no = ini->i_frag_no;
|
||||
+ //fake_ini->i_frag_size = ini->i_frag_size;
|
||||
+#endif
|
||||
+ fake_ini->i_file_acl = ini->i_file_acl;
|
||||
+ if (!S_ISREG(fake_inode->i_mode)) {
|
||||
@ -11229,11 +11132,6 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/namei.c linux-2.6.20.3-ext3cow/fs/ext3cow/na
|
||||
+ cow_inode->i_mode = inode->i_mode;
|
||||
+ cow_inode->i_uid = inode->i_uid;
|
||||
+ cow_inode->i_gid = inode->i_gid;
|
||||
+
|
||||
+ /* uid_high and gid_high code would go here -znjp
|
||||
+ cow_inode->i_uid_high = inode->i_uid_high;
|
||||
+ cow_inode->i_gid_high = inode->i_gid_high;
|
||||
+ */
|
||||
+
|
||||
+ cow_inode->i_nlink = inode->i_nlink;
|
||||
+ cow_inode->i_size = inode->i_size;
|
||||
@ -11251,9 +11149,10 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/namei.c linux-2.6.20.3-ext3cow/fs/ext3cow/na
|
||||
+ cow_inode->i_blocks = inode->i_blocks;
|
||||
+ cow_ini->i_flags = ini->i_flags;
|
||||
+#ifdef EXT3COW_FRAGMENTS
|
||||
+ cow_ini->i_faddr = ini->i_faddr;
|
||||
+ cow_ini->i_frag_no = ini->i_frag_no;
|
||||
+ cow_ini->i_frag_size = ini->i_frag_size;
|
||||
+ /* Taken out for versioning -znjp */
|
||||
+ //cow_ini->i_faddr = ini->i_faddr;
|
||||
+ //cow_ini->i_frag_no = ini->i_frag_no;
|
||||
+ //cow_ini->i_frag_size = ini->i_frag_size;
|
||||
+#endif
|
||||
+ cow_ini->i_file_acl = ini->i_file_acl;
|
||||
+ if (!S_ISREG(cow_inode->i_mode)) {
|
||||
@ -11334,14 +11233,43 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/namei.c linux-2.6.20.3-ext3cow/fs/ext3cow/na
|
||||
+ * be used for removing versions. */
|
||||
+int ext3cow_reclaim_dup_inode(struct inode *dir, struct inode *inode)
|
||||
+{
|
||||
+ // handle_t *handle = NULL;
|
||||
+ handle_t *handle = NULL;
|
||||
+ int err = 0;
|
||||
+ struct inode *old_inode = NULL;
|
||||
+ struct inode *parent = dir;
|
||||
+
|
||||
+ if(!parent)
|
||||
+ parent = inode;
|
||||
+
|
||||
+ if(is_bad_inode(inode))
|
||||
+ goto no_delete;
|
||||
+ return -1;
|
||||
+
|
||||
+ handle = ext3cow_journal_start(parent,
|
||||
+ EXT3COW_DELETE_TRANS_BLOCKS(parent->i_sb));
|
||||
+ if(IS_ERR(handle))
|
||||
+ return PTR_ERR(handle);
|
||||
+
|
||||
+ if(IS_DIRSYNC(parent))
|
||||
+ handle->h_sync = 1;
|
||||
+
|
||||
+ old_inode = iget(parent->i_sb, EXT3COW_I_NEXT_INODE(inode));
|
||||
+ err = PTR_ERR(old_inode);
|
||||
+ if (!IS_ERR(old_inode)){
|
||||
+
|
||||
+ EXT3COW_I(inode)->i_epoch_number = EXT3COW_I_EPOCHNUMBER(old_inode);
|
||||
+ EXT3COW_I(inode)->i_cow_bitmap = EXT3COW_I(old_inode)->i_cow_bitmap;
|
||||
+ EXT3COW_I(inode)->i_next_inode = EXT3COW_I(old_inode)->i_next_inode;
|
||||
+ old_inode->i_nlink = 0;
|
||||
+
|
||||
+ iput(old_inode);
|
||||
+ ext3cow_mark_inode_dirty(handle, inode);
|
||||
+ }else
|
||||
+ ext3cow_error(inode->i_sb, "ext3cow_reclaim_dup_inode",
|
||||
+ "Couldn't remove dup'd inode.");
|
||||
+
|
||||
+ ext3cow_journal_stop(handle);
|
||||
+
|
||||
+ return 0;
|
||||
+ no_delete:
|
||||
+ return -1;
|
||||
+}
|
||||
+
|
||||
+/*
|
||||
@ -11379,7 +11307,7 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/namei.c linux-2.6.20.3-ext3cow/fs/ext3cow/na
|
||||
+};
|
||||
diff -ruN linux-2.6.20.3/fs/ext3cow/namei.h linux-2.6.20.3-ext3cow/fs/ext3cow/namei.h
|
||||
--- linux-2.6.20.3/fs/ext3cow/namei.h 1969-12-31 19:00:00.000000000 -0500
|
||||
+++ linux-2.6.20.3-ext3cow/fs/ext3cow/namei.h 2007-04-07 14:23:50.000000000 -0400
|
||||
+++ linux-2.6.20.3-ext3cow/fs/ext3cow/namei.h 2008-03-09 11:14:48.000000000 -0400
|
||||
@@ -0,0 +1,8 @@
|
||||
+/* linux/fs/ext3cow/namei.h
|
||||
+ *
|
||||
@ -11391,7 +11319,7 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/namei.h linux-2.6.20.3-ext3cow/fs/ext3cow/na
|
||||
+extern struct dentry *ext3cow_get_parent(struct dentry *child);
|
||||
diff -ruN linux-2.6.20.3/fs/ext3cow/resize.c linux-2.6.20.3-ext3cow/fs/ext3cow/resize.c
|
||||
--- linux-2.6.20.3/fs/ext3cow/resize.c 1969-12-31 19:00:00.000000000 -0500
|
||||
+++ linux-2.6.20.3-ext3cow/fs/ext3cow/resize.c 2007-04-07 14:23:50.000000000 -0400
|
||||
+++ linux-2.6.20.3-ext3cow/fs/ext3cow/resize.c 2008-03-09 11:14:48.000000000 -0400
|
||||
@@ -0,0 +1,1042 @@
|
||||
+/*
|
||||
+ * linux/fs/ext3cow/resize.c
|
||||
@ -12437,7 +12365,7 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/resize.c linux-2.6.20.3-ext3cow/fs/ext3cow/r
|
||||
+} /* ext3cow_group_extend */
|
||||
diff -ruN linux-2.6.20.3/fs/ext3cow/super.c linux-2.6.20.3-ext3cow/fs/ext3cow/super.c
|
||||
--- linux-2.6.20.3/fs/ext3cow/super.c 1969-12-31 19:00:00.000000000 -0500
|
||||
+++ linux-2.6.20.3-ext3cow/fs/ext3cow/super.c 2007-04-07 14:23:50.000000000 -0400
|
||||
+++ linux-2.6.20.3-ext3cow/fs/ext3cow/super.c 2008-03-09 11:14:49.000000000 -0400
|
||||
@@ -0,0 +1,2808 @@
|
||||
+/*
|
||||
+ * linux/fs/ext3cow/super.c
|
||||
@ -15249,7 +15177,7 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/super.c linux-2.6.20.3-ext3cow/fs/ext3cow/su
|
||||
+module_exit(exit_ext3cow_fs)
|
||||
diff -ruN linux-2.6.20.3/fs/ext3cow/symlink.c linux-2.6.20.3-ext3cow/fs/ext3cow/symlink.c
|
||||
--- linux-2.6.20.3/fs/ext3cow/symlink.c 1969-12-31 19:00:00.000000000 -0500
|
||||
+++ linux-2.6.20.3-ext3cow/fs/ext3cow/symlink.c 2007-04-07 14:23:50.000000000 -0400
|
||||
+++ linux-2.6.20.3-ext3cow/fs/ext3cow/symlink.c 2008-03-09 11:14:48.000000000 -0400
|
||||
@@ -0,0 +1,54 @@
|
||||
+/*
|
||||
+ * linux/fs/ext3cow/symlink.c
|
||||
@ -15307,7 +15235,7 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/symlink.c linux-2.6.20.3-ext3cow/fs/ext3cow/
|
||||
+};
|
||||
diff -ruN linux-2.6.20.3/fs/ext3cow/xattr.c linux-2.6.20.3-ext3cow/fs/ext3cow/xattr.c
|
||||
--- linux-2.6.20.3/fs/ext3cow/xattr.c 1969-12-31 19:00:00.000000000 -0500
|
||||
+++ linux-2.6.20.3-ext3cow/fs/ext3cow/xattr.c 2007-04-07 14:23:50.000000000 -0400
|
||||
+++ linux-2.6.20.3-ext3cow/fs/ext3cow/xattr.c 2008-03-09 11:14:49.000000000 -0400
|
||||
@@ -0,0 +1,1314 @@
|
||||
+/*
|
||||
+ * linux/fs/ext3cow/xattr.c
|
||||
@ -16625,7 +16553,7 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/xattr.c linux-2.6.20.3-ext3cow/fs/ext3cow/xa
|
||||
+}
|
||||
diff -ruN linux-2.6.20.3/fs/ext3cow/xattr.h linux-2.6.20.3-ext3cow/fs/ext3cow/xattr.h
|
||||
--- linux-2.6.20.3/fs/ext3cow/xattr.h 1969-12-31 19:00:00.000000000 -0500
|
||||
+++ linux-2.6.20.3-ext3cow/fs/ext3cow/xattr.h 2007-04-07 14:23:50.000000000 -0400
|
||||
+++ linux-2.6.20.3-ext3cow/fs/ext3cow/xattr.h 2008-03-09 11:14:49.000000000 -0400
|
||||
@@ -0,0 +1,145 @@
|
||||
+/*
|
||||
+ File: fs/ext3cow/xattr.h
|
||||
@ -16774,7 +16702,7 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/xattr.h linux-2.6.20.3-ext3cow/fs/ext3cow/xa
|
||||
+#endif
|
||||
diff -ruN linux-2.6.20.3/fs/ext3cow/xattr_security.c linux-2.6.20.3-ext3cow/fs/ext3cow/xattr_security.c
|
||||
--- linux-2.6.20.3/fs/ext3cow/xattr_security.c 1969-12-31 19:00:00.000000000 -0500
|
||||
+++ linux-2.6.20.3-ext3cow/fs/ext3cow/xattr_security.c 2007-04-07 14:23:50.000000000 -0400
|
||||
+++ linux-2.6.20.3-ext3cow/fs/ext3cow/xattr_security.c 2008-03-09 11:14:48.000000000 -0400
|
||||
@@ -0,0 +1,77 @@
|
||||
+/*
|
||||
+ * linux/fs/ext3cow/xattr_security.c
|
||||
@ -16855,7 +16783,7 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/xattr_security.c linux-2.6.20.3-ext3cow/fs/e
|
||||
+};
|
||||
diff -ruN linux-2.6.20.3/fs/ext3cow/xattr_trusted.c linux-2.6.20.3-ext3cow/fs/ext3cow/xattr_trusted.c
|
||||
--- linux-2.6.20.3/fs/ext3cow/xattr_trusted.c 1969-12-31 19:00:00.000000000 -0500
|
||||
+++ linux-2.6.20.3-ext3cow/fs/ext3cow/xattr_trusted.c 2007-04-07 14:23:50.000000000 -0400
|
||||
+++ linux-2.6.20.3-ext3cow/fs/ext3cow/xattr_trusted.c 2008-03-09 11:14:48.000000000 -0400
|
||||
@@ -0,0 +1,62 @@
|
||||
+/*
|
||||
+ * linux/fs/ext3cow/xattr_trusted.c
|
||||
@ -16921,7 +16849,7 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/xattr_trusted.c linux-2.6.20.3-ext3cow/fs/ex
|
||||
+};
|
||||
diff -ruN linux-2.6.20.3/fs/ext3cow/xattr_user.c linux-2.6.20.3-ext3cow/fs/ext3cow/xattr_user.c
|
||||
--- linux-2.6.20.3/fs/ext3cow/xattr_user.c 1969-12-31 19:00:00.000000000 -0500
|
||||
+++ linux-2.6.20.3-ext3cow/fs/ext3cow/xattr_user.c 2007-04-07 14:23:50.000000000 -0400
|
||||
+++ linux-2.6.20.3-ext3cow/fs/ext3cow/xattr_user.c 2008-03-09 11:14:48.000000000 -0400
|
||||
@@ -0,0 +1,64 @@
|
||||
+/*
|
||||
+ * linux/fs/ext3cow/xattr_user.c
|
||||
@ -16987,10 +16915,147 @@ diff -ruN linux-2.6.20.3/fs/ext3cow/xattr_user.c linux-2.6.20.3-ext3cow/fs/ext3c
|
||||
+ .get = ext3cow_xattr_user_get,
|
||||
+ .set = ext3cow_xattr_user_set,
|
||||
+};
|
||||
diff -ruN linux-2.6.20.3/fs/Kconfig linux-2.6.20.3-ext3cow/fs/Kconfig
|
||||
--- linux-2.6.20.3/fs/Kconfig 2007-03-13 14:27:08.000000000 -0400
|
||||
+++ linux-2.6.20.3-ext3cow/fs/Kconfig 2008-03-09 11:14:25.000000000 -0400
|
||||
@@ -136,6 +136,77 @@
|
||||
If you are not using a security module that requires using
|
||||
extended attributes for file security labels, say N.
|
||||
|
||||
+
|
||||
+
|
||||
+config EXT3COW_FS
|
||||
+ tristate "Ext3cow journalling and versioning file system support"
|
||||
+ select JBD
|
||||
+ help
|
||||
+ This is the journalling version of the Second extended file system
|
||||
+ (often called ext3), the de facto standard Linux file system
|
||||
+ (method to organize files on a storage device) for hard disks.
|
||||
+
|
||||
+ The journalling code included in this driver means you do not have
|
||||
+ to run e2fsck (file system checker) on your file systems after a
|
||||
+ crash. The journal keeps track of any changes that were being made
|
||||
+ at the time the system crashed, and can ensure that your file system
|
||||
+ is consistent without the need for a lengthy check.
|
||||
+
|
||||
+ Other than adding the journal to the file system, the on-disk format
|
||||
+ of ext3 is identical to ext2. It is possible to freely switch
|
||||
+ between using the ext3 driver and the ext2 driver, as long as the
|
||||
+ file system has been cleanly unmounted, or e2fsck is run on the file
|
||||
+ system.
|
||||
+
|
||||
+ To add a journal on an existing ext2 file system or change the
|
||||
+ behavior of ext3 file systems, you can use the tune2fs utility ("man
|
||||
+ tune2fs"). To modify attributes of files and directories on ext3
|
||||
+ file systems, use chattr ("man chattr"). You need to be using
|
||||
+ e2fsprogs version 1.20 or later in order to create ext3 journals
|
||||
+ (available at <http://sourceforge.net/projects/e2fsprogs/>).
|
||||
+
|
||||
+ To compile this file system support as a module, choose M here: the
|
||||
+ module will be called ext3.
|
||||
+
|
||||
+config EXT3COW_FS_XATTR
|
||||
+ bool "Ext3cow extended attributes"
|
||||
+ depends on EXT3COW_FS
|
||||
+ default y
|
||||
+ help
|
||||
+ Extended attributes are name:value pairs associated with inodes by
|
||||
+ the kernel or by users (see the attr(5) manual page, or visit
|
||||
+ <http://acl.bestbits.at/> for details).
|
||||
+
|
||||
+ If unsure, say N.
|
||||
+
|
||||
+ You need this for POSIX ACL support on ext3cow.
|
||||
+
|
||||
+config EXT3COW_FS_POSIX_ACL
|
||||
+ bool "Ext3cow POSIX Access Control Lists"
|
||||
+ depends on EXT3COW_FS_XATTR
|
||||
+ select FS_POSIX_ACL
|
||||
+ help
|
||||
+ Posix Access Control Lists (ACLs) support permissions for users and
|
||||
+ groups beyond the owner/group/world scheme.
|
||||
+
|
||||
+ To learn more about Access Control Lists, visit the Posix ACLs for
|
||||
+ Linux website <http://acl.bestbits.at/>.
|
||||
+
|
||||
+ If you don't know what Access Control Lists are, say N
|
||||
+
|
||||
+config EXT3COW_FS_SECURITY
|
||||
+ bool "Ext3cow Security Labels"
|
||||
+ depends on EXT3COW_FS_XATTR
|
||||
+ help
|
||||
+ Security labels support alternative access control models
|
||||
+ implemented by security modules like SELinux. This option
|
||||
+ enables an extended attribute handler for file security
|
||||
+ labels in the ext3cow filesystem.
|
||||
+
|
||||
+ If you are not using a security module that requires using
|
||||
+ extended attributes for file security labels, say N.
|
||||
+
|
||||
+
|
||||
config EXT4DEV_FS
|
||||
tristate "Ext4dev/ext4 extended fs support development (EXPERIMENTAL)"
|
||||
depends on EXPERIMENTAL
|
||||
@@ -205,23 +276,23 @@
|
||||
tristate
|
||||
help
|
||||
This is a generic journalling layer for block devices. It is
|
||||
- currently used by the ext3 and OCFS2 file systems, but it could
|
||||
+ currently used by the ext3, ext3cow and OCFS2 file systems, but it could
|
||||
also be used to add journal support to other file systems or block
|
||||
devices such as RAID or LVM.
|
||||
|
||||
- If you are using the ext3 or OCFS2 file systems, you need to
|
||||
+ If you are using the ext3, ext3cow or OCFS2 file systems, you need to
|
||||
say Y here. If you are not using ext3 OCFS2 then you will probably
|
||||
want to say N.
|
||||
|
||||
To compile this device as a module, choose M here: the module will be
|
||||
- called jbd. If you are compiling ext3 or OCFS2 into the kernel,
|
||||
+ called jbd. If you are compiling ext3, ext3cow or OCFS2 into the kernel,
|
||||
you cannot compile this code as a module.
|
||||
|
||||
config JBD_DEBUG
|
||||
bool "JBD (ext3) debugging support"
|
||||
depends on JBD
|
||||
help
|
||||
- If you are using the ext3 journaled file system (or potentially any
|
||||
+ If you are using the ext3 or ext3cow journaled file system (or potentially any
|
||||
other file system/device using JBD), this option allows you to
|
||||
enable debugging output while the system is running, in order to
|
||||
help track down any problems you are having. By default the
|
||||
@@ -266,11 +337,12 @@
|
||||
"echo 0 > /proc/sys/fs/jbd2-debug".
|
||||
|
||||
config FS_MBCACHE
|
||||
-# Meta block cache for Extended Attributes (ext2/ext3/ext4)
|
||||
+# Meta block cache for Extended Attributes (ext2/ext3(cow)/ext4)
|
||||
tristate
|
||||
- depends on EXT2_FS_XATTR || EXT3_FS_XATTR || EXT4DEV_FS_XATTR
|
||||
- default y if EXT2_FS=y || EXT3_FS=y || EXT4DEV_FS=y
|
||||
- default m if EXT2_FS=m || EXT3_FS=m || EXT4DEV_FS=m
|
||||
+ depends on EXT2_FS_XATTR || EXT3_FS_XATTR || EXT3COW_FS_XATTR || EXT4DEV_FS_XATTR
|
||||
+ default y if EXT2_FS=y || EXT3_FS=y || EXT3COW_FS=y || EXT4DEV_FS=y
|
||||
+ default m if EXT2_FS=m || EXT3_FS=m || EXT3COW_FS=m || EXT4DEV_FS=m
|
||||
+
|
||||
|
||||
config REISERFS_FS
|
||||
tristate "Reiserfs support"
|
||||
diff -ruN linux-2.6.20.3/fs/Makefile linux-2.6.20.3-ext3cow/fs/Makefile
|
||||
--- linux-2.6.20.3/fs/Makefile 2007-03-13 14:27:08.000000000 -0400
|
||||
+++ linux-2.6.20.3-ext3cow/fs/Makefile 2008-03-09 11:14:54.000000000 -0400
|
||||
@@ -63,6 +63,7 @@
|
||||
# Do not add any filesystems before this line
|
||||
obj-$(CONFIG_REISERFS_FS) += reiserfs/
|
||||
obj-$(CONFIG_EXT3_FS) += ext3/ # Before ext2 so root fs can be ext3
|
||||
+obj-$(CONFIG_EXT3COW_FS) += ext3cow/ # Before ext2 so root fs can be ext3
|
||||
obj-$(CONFIG_EXT4DEV_FS) += ext4/ # Before ext2 so root fs can be ext4dev
|
||||
obj-$(CONFIG_JBD) += jbd/
|
||||
obj-$(CONFIG_JBD2) += jbd2/
|
||||
diff -ruN linux-2.6.20.3/include/linux/ext3cow_fs.h linux-2.6.20.3-ext3cow/include/linux/ext3cow_fs.h
|
||||
--- linux-2.6.20.3/include/linux/ext3cow_fs.h 1969-12-31 19:00:00.000000000 -0500
|
||||
+++ linux-2.6.20.3-ext3cow/include/linux/ext3cow_fs.h 2007-04-07 15:30:04.000000000 -0400
|
||||
@@ -0,0 +1,947 @@
|
||||
+++ linux-2.6.20.3-ext3cow/include/linux/ext3cow_fs.h 2008-03-09 11:10:57.000000000 -0400
|
||||
@@ -0,0 +1,948 @@
|
||||
+/*
|
||||
+ * linux/include/linux/ext3cow_fs.h
|
||||
+ *
|
||||
@ -17021,6 +17086,7 @@ diff -ruN linux-2.6.20.3/include/linux/ext3cow_fs.h linux-2.6.20.3-ext3cow/inclu
|
||||
+ */
|
||||
+#undef EXT3COWFS_DEBUG
|
||||
+
|
||||
+
|
||||
+/*
|
||||
+ * Define EXT3COW_RESERVATION to reserve data blocks for expanding files
|
||||
+ */
|
||||
@ -17314,11 +17380,11 @@ diff -ruN linux-2.6.20.3/include/linux/ext3cow_fs.h linux-2.6.20.3-ext3cow/inclu
|
||||
+ __le32 i_faddr; /* Fragment address */
|
||||
+ union {
|
||||
+ struct {
|
||||
+ __u8 l_i_frag; /* Fragment number */
|
||||
+ __u8 l_i_fsize; /* Fragment size */
|
||||
+ __u16 i_pad1;
|
||||
+ //__le16 l_i_uid_high; /* these 2 fields */
|
||||
+ //__le16 l_i_gid_high; /* were reserved2[0] */
|
||||
+ //__u8 l_i_frag; /* Fragment number */
|
||||
+ //__u8 l_i_fsize; /* Fragment size */
|
||||
+ //__u16 i_pad1;
|
||||
+ __le16 l_i_uid_high; /* these 2 fields */
|
||||
+ __le16 l_i_gid_high; /* were reserved2[0] */
|
||||
+ //__u32 l_i_reserved2;
|
||||
+ /* Epoch number for versioning -znjp */
|
||||
+ __le32 l_i_epoch_number;
|
||||
@ -17349,13 +17415,13 @@ diff -ruN linux-2.6.20.3/include/linux/ext3cow_fs.h linux-2.6.20.3-ext3cow/inclu
|
||||
+/* For versioning -znjp */
|
||||
+//#define i_reserved1 osd1.linux1.l_i_reserved1
|
||||
+#define i_cowbitmap osd1.linux1.l_i_direct_cow_bitmap
|
||||
+#define i_frag osd2.linux2.l_i_frag
|
||||
+#define i_fsize osd2.linux2.l_i_fsize
|
||||
+//#define i_frag osd2.linux2.l_i_frag
|
||||
+//#define i_fsize osd2.linux2.l_i_fsize
|
||||
+#define i_uid_low i_uid
|
||||
+#define i_gid_low i_gid
|
||||
+/* For versioning -znjp */
|
||||
+//#define i_uid_high osd2.linux2.l_i_uid_high
|
||||
+//#define i_gid_high osd2.linux2.l_i_gid_high
|
||||
+#define i_uid_high osd2.linux2.l_i_uid_high
|
||||
+#define i_gid_high osd2.linux2.l_i_gid_high
|
||||
+//#define i_reserved2 osd2.linux2.l_i_reserved2
|
||||
+#define i_epch_number osd2.linux2.l_i_epoch_number
|
||||
+#define i_nxt_inode osd2.linux2.l_i_next_inode
|
||||
@ -17940,7 +18006,7 @@ diff -ruN linux-2.6.20.3/include/linux/ext3cow_fs.h linux-2.6.20.3-ext3cow/inclu
|
||||
+#endif /* _LINUX_EXT3COW_FS_H */
|
||||
diff -ruN linux-2.6.20.3/include/linux/ext3cow_fs_i.h linux-2.6.20.3-ext3cow/include/linux/ext3cow_fs_i.h
|
||||
--- linux-2.6.20.3/include/linux/ext3cow_fs_i.h 1969-12-31 19:00:00.000000000 -0500
|
||||
+++ linux-2.6.20.3-ext3cow/include/linux/ext3cow_fs_i.h 2007-03-24 15:22:06.000000000 -0400
|
||||
+++ linux-2.6.20.3-ext3cow/include/linux/ext3cow_fs_i.h 2008-03-09 11:10:55.000000000 -0400
|
||||
@@ -0,0 +1,152 @@
|
||||
+/*
|
||||
+ * linux/include/linux/ext3cow_fs_i.h
|
||||
@ -18096,7 +18162,7 @@ diff -ruN linux-2.6.20.3/include/linux/ext3cow_fs_i.h linux-2.6.20.3-ext3cow/inc
|
||||
+#endif /* _LINUX_EXT3COW_FS_I */
|
||||
diff -ruN linux-2.6.20.3/include/linux/ext3cow_fs_sb.h linux-2.6.20.3-ext3cow/include/linux/ext3cow_fs_sb.h
|
||||
--- linux-2.6.20.3/include/linux/ext3cow_fs_sb.h 1969-12-31 19:00:00.000000000 -0500
|
||||
+++ linux-2.6.20.3-ext3cow/include/linux/ext3cow_fs_sb.h 2007-03-24 15:22:35.000000000 -0400
|
||||
+++ linux-2.6.20.3-ext3cow/include/linux/ext3cow_fs_sb.h 2008-03-09 11:10:57.000000000 -0400
|
||||
@@ -0,0 +1,86 @@
|
||||
+/*
|
||||
+ * linux/include/linux/ext3cow_fs_sb.h
|
||||
@ -18186,7 +18252,7 @@ diff -ruN linux-2.6.20.3/include/linux/ext3cow_fs_sb.h linux-2.6.20.3-ext3cow/in
|
||||
+#endif /* _LINUX_EXT3COW_FS_SB */
|
||||
diff -ruN linux-2.6.20.3/include/linux/ext3cow_jbd.h linux-2.6.20.3-ext3cow/include/linux/ext3cow_jbd.h
|
||||
--- linux-2.6.20.3/include/linux/ext3cow_jbd.h 1969-12-31 19:00:00.000000000 -0500
|
||||
+++ linux-2.6.20.3-ext3cow/include/linux/ext3cow_jbd.h 2007-03-24 13:58:07.000000000 -0400
|
||||
+++ linux-2.6.20.3-ext3cow/include/linux/ext3cow_jbd.h 2008-03-09 11:10:56.000000000 -0400
|
||||
@@ -0,0 +1,226 @@
|
||||
+/*
|
||||
+ * linux/include/linux/ext3cow_jbd.h
|
||||
@ -18416,7 +18482,7 @@ diff -ruN linux-2.6.20.3/include/linux/ext3cow_jbd.h linux-2.6.20.3-ext3cow/incl
|
||||
+#endif /* _LINUX_EXT3COW_JBD_H */
|
||||
diff -ruN linux-2.6.20.3/include/linux/magic.h linux-2.6.20.3-ext3cow/include/linux/magic.h
|
||||
--- linux-2.6.20.3/include/linux/magic.h 2007-03-13 14:27:08.000000000 -0400
|
||||
+++ linux-2.6.20.3-ext3cow/include/linux/magic.h 2007-03-24 14:06:39.000000000 -0400
|
||||
+++ linux-2.6.20.3-ext3cow/include/linux/magic.h 2008-03-09 11:10:57.000000000 -0400
|
||||
@@ -9,6 +9,7 @@
|
||||
#define EFS_SUPER_MAGIC 0x414A53
|
||||
#define EXT2_SUPER_MAGIC 0xEF53
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue
Block a user