aufs3 support for 3.0.x kernel (aufs_friendly)

aur/aufs3/PKGBUILD

@@ -0,0 +1,69 @@
+# Contributor: Paul Mattal <pjmattal@elys.com>
+# Maintainer: Calimero <calimeroteknik@free.fr>
+
+plugrel=1
+
+pkgname=aufs3
+pkgver=3.0_20110829
+pkgrel=1
+#_kernver=${pkgver%_*}-ARCH
+
+# Set to whatever the tree of your aufs-friendly kernel is, and set the right dependency.
+_kernver=3.0-ARCH
+depends=('aufs_friendly')
+
+#_kernver=3.0-aufs_friendly
+#depends=('linux-aufs_friendly')
+
+pkgdesc="Another Unionfs Implementation"
+arch=('i686' 'x86_64')
+url="http://aufs.sourceforge.net/"
+license=('GPL2')
+replaces=('aufs' 'aufs2')
+conflicts=('aufs2')
+install=aufs3.install
+source=("http://calimeroteknik.free.fr/src/aufs3-${pkgver}.tar.gz")
+options=('!makeflags' '!strip')
+md5sums=('7452e0ec478a909f3238fd8fe0b33761')
+
+build() {
+  cd "${srcdir}/aufs3-${pkgver}"
+  sed -i 's|CONFIG_AUFS_HNOTIFY =.*|CONFIG_AUFS_HNOTIFY = y|' \
+     config.mk
+  sed -i 's|CONFIG_AUFS_HFSNOTIFY =.*|CONFIG_AUFS_HFSNOTIFY = y|' \
+     config.mk
+  sed -i 's|CONFIG_AUFS_EXPORT =.*|CONFIG_AUFS_EXPORT = y|' \
+     config.mk
+  sed -i 's|CONFIG_AUFS_SHWH =.*|CONFIG_AUFS_SHWH = y|' \
+     config.mk
+  sed -i 's|CONFIG_AUFS_BDEV_LOOP =.*|CONFIG_AUFS_BDEV_LOOP = y|' \
+     config.mk
+  sed -i 's|CONFIG_AUFS_BR_RAMFS =.*|CONFIG_AUFS_BR_RAMFS = y|' \
+     config.mk
+  sed -i 's|CONFIG_AUFS_DEBUG =.*|CONFIG_AUFS_DEBUG =|' \
+     config.mk
+  if [ "${CARCH}" = "x86_64" ]; then
+    inot64=" y"
+  else
+    inot64=""
+  fi
+  sed -i "s|CONFIG_AUFS_INO_T_64 =.*|CONFIG_AUFS_INO_T_64 =${inot64}|" \
+     config.mk 
+  # build, sed fixes are from gentoo portage build
+  sed -i "s:aufs.ko usr/include/linux/aufs_type.h:aufs.ko:g" Makefile
+  sed -i "s:__user::g" include/linux/aufs_type.h
+  make KDIR="/usr/src/linux-${_kernver}"
+}
+
+package() {
+  cd "${srcdir}/aufs3-${pkgver}"
+  install -D -m644 fs/aufs/aufs.ko \
+    "${pkgdir}/lib/modules/${_kernver}/kernel/fs/aufs/aufs.ko"
+  # tweak the install script for the right kernel version
+  sed -i -e "s/KERNEL_VERSION=.*/KERNEL_VERSION=${_kernver}/g" \
+    "${startdir}/aufs3.install"
+  # install include files
+  install -D -m 644 include/linux/aufs_type.h "${pkgdir}/usr/include/linux/aufs_type.h"
+  # gzip -9 the module
+  find "${pkgdir}" -name '*.ko' -exec gzip -9 {} \;
+}

aur/aufs3/aufs3.install

@@ -0,0 +1,12 @@
+post_install() {
+  KERNEL_VERSION=3.0-ARCH
+  depmod $KERNEL_VERSION
+}
+
+post_upgrade() {
+  post_install
+}
+
+post_remove() {
+  post_install
+}

core/linux/PKGBUILD

@@ -20,12 +20,16 @@ source=("ftp://ftp.kernel.org/pub/linux/kernel/v3.0/linux-${_basekernel}.tar.bz2
         "ftp://ftp.kernel.org/pub/linux/kernel/v3.0/patch-${pkgver}.bz2"
         'archlinuxarm.patch'
         'config'
-        'change-default-console-loglevel.patch')
+        'change-default-console-loglevel.patch'
+        # patches exporting symbols for the aufs module
+        aufs3-base.patch aufs3-standalone.patch)
 md5sums=('398e95866794def22b12dfbc15ce89c0'
          '1757786b9a9ffbd48ad9642199ff5bd7'
          '77e8e011485c2061616214d07356132e'
          'a6753f9fa6ca818b87ea817106e01566'
-         '9d3c56a4b999c8bfbd4018089a62f662')
+         '9d3c56a4b999c8bfbd4018089a62f662'
+         'b9248a75a3fe415a18d4730887daa339'
+         'd961e5dc52b4e4f98a6268b6dc4340fa')
 
 build() {
   cd "${srcdir}/linux-${_basekernel}"
@@ -43,6 +47,10 @@ build() {
   # (relevant patch sent upstream: https://lkml.org/lkml/2011/7/26/227)
   patch -Np1 -i "${srcdir}/change-default-console-loglevel.patch"
 
+  msg 'AUFS3 patches'
+  patch -p1 -i "${srcdir}/aufs3-base.patch"
+  patch -p1 -i "${srcdir}/aufs3-standalone.patch"
+
   cat "${srcdir}/config" > ./.config
 
   # remove the sublevel from Makefile
@@ -83,7 +91,7 @@ package_linux() {
   groups=('base')
   depends=('coreutils' 'linux-firmware' 'module-init-tools>=3.16' 'mkinitcpio>=0.7')
   optdepends=('crda: to set the correct wireless channels of your country')
-  provides=('kernel26')
+  provides=('kernel26' 'aufs_friendly')
   conflicts=('kernel26')
   replaces=('kernel26')
   backup=("etc/mkinitcpio.d/${pkgname}.preset")

core/linux/aufs3-base.patch

@@ -0,0 +1,70 @@
+aufs3.0 base patch
+
+diff --git a/fs/namei.c b/fs/namei.c
+index 14ab8d3..eb4aef1 100644
+--- a/fs/namei.c
++++ b/fs/namei.c
+@@ -1697,7 +1697,7 @@ static struct dentry *__lookup_hash(struct qstr *name,
+  * needs parent already locked. Doesn't follow mounts.
+  * SMP-safe.
+  */
+-static struct dentry *lookup_hash(struct nameidata *nd)
++struct dentry *lookup_hash(struct nameidata *nd)
+ {
+ 	return __lookup_hash(&nd->last, nd->path.dentry, nd);
+ }
+diff --git a/fs/splice.c b/fs/splice.c
+index aa866d3..19afec6 100644
+--- a/fs/splice.c
++++ b/fs/splice.c
+@@ -1085,8 +1085,8 @@ EXPORT_SYMBOL(generic_splice_sendpage);
+ /*
+  * Attempt to initiate a splice from pipe to file.
+  */
+-static long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
+-			   loff_t *ppos, size_t len, unsigned int flags)
++long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
++		    loff_t *ppos, size_t len, unsigned int flags)
+ {
+ 	ssize_t (*splice_write)(struct pipe_inode_info *, struct file *,
+ 				loff_t *, size_t, unsigned int);
+@@ -1113,9 +1113,9 @@ static long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
+ /*
+  * Attempt to initiate a splice from a file to a pipe.
+  */
+-static long do_splice_to(struct file *in, loff_t *ppos,
+-			 struct pipe_inode_info *pipe, size_t len,
+-			 unsigned int flags)
++long do_splice_to(struct file *in, loff_t *ppos,
++		  struct pipe_inode_info *pipe, size_t len,
++		  unsigned int flags)
+ {
+ 	ssize_t (*splice_read)(struct file *, loff_t *,
+ 			       struct pipe_inode_info *, size_t, unsigned int);
+diff --git a/include/linux/namei.h b/include/linux/namei.h
+index eba45ea..21ed6c9 100644
+--- a/include/linux/namei.h
++++ b/include/linux/namei.h
+@@ -82,6 +82,7 @@ extern int vfs_path_lookup(struct dentry *, struct vfsmount *,
+ extern struct file *lookup_instantiate_filp(struct nameidata *nd, struct dentry *dentry,
+ 		int (*open)(struct inode *, struct file *));
+ 
++extern struct dentry *lookup_hash(struct nameidata *nd);
+ extern struct dentry *lookup_one_len(const char *, struct dentry *, int);
+ 
+ extern int follow_down_one(struct path *);
+diff --git a/include/linux/splice.h b/include/linux/splice.h
+index 997c3b4..be9a153 100644
+--- a/include/linux/splice.h
++++ b/include/linux/splice.h
+@@ -89,4 +89,10 @@ extern int splice_grow_spd(struct pipe_inode_info *, struct splice_pipe_desc *);
+ extern void splice_shrink_spd(struct pipe_inode_info *,
+ 				struct splice_pipe_desc *);
+ 
++extern long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
++			   loff_t *ppos, size_t len, unsigned int flags);
++extern long do_splice_to(struct file *in, loff_t *ppos,
++			 struct pipe_inode_info *pipe, size_t len,
++			 unsigned int flags);
++
+ #endif

core/linux/aufs3-standalone.patch

@@ -0,0 +1,257 @@
+aufs3.0 standalone patch
+
+diff --git a/fs/file_table.c b/fs/file_table.c
+index 01e4c1e..0e800e2 100644
+--- a/fs/file_table.c
++++ b/fs/file_table.c
+@@ -443,6 +443,8 @@ void file_sb_list_del(struct file *file)
+ 	}
+ }
+ 
++EXPORT_SYMBOL(file_sb_list_del);
++
+ #ifdef CONFIG_SMP
+ 
+ /*
+diff --git a/fs/inode.c b/fs/inode.c
+index 43566d1..4291eae 100644
+--- a/fs/inode.c
++++ b/fs/inode.c
+@@ -69,6 +69,7 @@ static DEFINE_SPINLOCK(inode_lru_lock);
+ 
+ __cacheline_aligned_in_smp DEFINE_SPINLOCK(inode_sb_list_lock);
+ __cacheline_aligned_in_smp DEFINE_SPINLOCK(inode_wb_list_lock);
++EXPORT_SYMBOL(inode_sb_list_lock);
+ 
+ /*
+  * iprune_sem provides exclusion between the icache shrinking and the
+diff --git a/fs/namei.c b/fs/namei.c
+index eb4aef1..66d04c6 100644
+--- a/fs/namei.c
++++ b/fs/namei.c
+@@ -365,6 +365,7 @@ int deny_write_access(struct file * file)
+ 
+ 	return 0;
+ }
++EXPORT_SYMBOL(deny_write_access);
+ 
+ /**
+  * path_get - get a reference to a path
+@@ -1701,6 +1702,7 @@ struct dentry *lookup_hash(struct nameidata *nd)
+ {
+ 	return __lookup_hash(&nd->last, nd->path.dentry, nd);
+ }
++EXPORT_SYMBOL(lookup_hash);
+ 
+ /**
+  * lookup_one_len - filesystem helper to lookup single pathname component
+diff --git a/fs/namespace.c b/fs/namespace.c
+index fe59bd1..7d3843f 100644
+--- a/fs/namespace.c
++++ b/fs/namespace.c
+@@ -1508,6 +1508,7 @@ int iterate_mounts(int (*f)(struct vfsmount *, void *), void *arg,
+ 	}
+ 	return 0;
+ }
++EXPORT_SYMBOL(iterate_mounts);
+ 
+ static void cleanup_group_ids(struct vfsmount *mnt, struct vfsmount *end)
+ {
+diff --git a/fs/notify/group.c b/fs/notify/group.c
+index d309f38..f0e9568 100644
+--- a/fs/notify/group.c
++++ b/fs/notify/group.c
+@@ -22,6 +22,7 @@
+ #include <linux/srcu.h>
+ #include <linux/rculist.h>
+ #include <linux/wait.h>
++#include <linux/module.h>
+ 
+ #include <linux/fsnotify_backend.h>
+ #include "fsnotify.h"
+@@ -70,6 +71,7 @@ void fsnotify_put_group(struct fsnotify_group *group)
+ 	if (atomic_dec_and_test(&group->refcnt))
+ 		fsnotify_destroy_group(group);
+ }
++EXPORT_SYMBOL(fsnotify_put_group);
+ 
+ /*
+  * Create a new fsnotify_group and hold a reference for the group returned.
+@@ -102,3 +104,4 @@ struct fsnotify_group *fsnotify_alloc_group(const struct fsnotify_ops *ops)
+ 
+ 	return group;
+ }
++EXPORT_SYMBOL(fsnotify_alloc_group);
+diff --git a/fs/notify/mark.c b/fs/notify/mark.c
+index 252ab1f..2199b9b 100644
+--- a/fs/notify/mark.c
++++ b/fs/notify/mark.c
+@@ -112,6 +112,7 @@ void fsnotify_put_mark(struct fsnotify_mark *mark)
+ 	if (atomic_dec_and_test(&mark->refcnt))
+ 		mark->free_mark(mark);
+ }
++EXPORT_SYMBOL(fsnotify_put_mark);
+ 
+ /*
+  * Any time a mark is getting freed we end up here.
+@@ -189,6 +190,7 @@ void fsnotify_destroy_mark(struct fsnotify_mark *mark)
+ 	if (unlikely(atomic_dec_and_test(&group->num_marks)))
+ 		fsnotify_final_destroy_group(group);
+ }
++EXPORT_SYMBOL(fsnotify_destroy_mark);
+ 
+ void fsnotify_set_mark_mask_locked(struct fsnotify_mark *mark, __u32 mask)
+ {
+@@ -276,6 +278,7 @@ err:
+ 
+ 	return ret;
+ }
++EXPORT_SYMBOL(fsnotify_add_mark);
+ 
+ /*
+  * clear any marks in a group in which mark->flags & flags is true
+@@ -331,6 +334,7 @@ void fsnotify_init_mark(struct fsnotify_mark *mark,
+ 	atomic_set(&mark->refcnt, 1);
+ 	mark->free_mark = free_mark;
+ }
++EXPORT_SYMBOL(fsnotify_init_mark);
+ 
+ static int fsnotify_mark_destroy(void *ignored)
+ {
+diff --git a/fs/open.c b/fs/open.c
+index b52cf01..c1b341c 100644
+--- a/fs/open.c
++++ b/fs/open.c
+@@ -60,6 +60,7 @@ int do_truncate(struct dentry *dentry, loff_t length, unsigned int time_attrs,
+ 	mutex_unlock(&dentry->d_inode->i_mutex);
+ 	return ret;
+ }
++EXPORT_SYMBOL(do_truncate);
+ 
+ static long do_sys_truncate(const char __user *pathname, loff_t length)
+ {
+diff --git a/fs/splice.c b/fs/splice.c
+index 19afec6..11f07f8 100644
+--- a/fs/splice.c
++++ b/fs/splice.c
+@@ -1109,6 +1109,7 @@ long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
+ 
+ 	return splice_write(pipe, out, ppos, len, flags);
+ }
++EXPORT_SYMBOL(do_splice_from);
+ 
+ /*
+  * Attempt to initiate a splice from a file to a pipe.
+@@ -1135,6 +1136,7 @@ long do_splice_to(struct file *in, loff_t *ppos,
+ 
+ 	return splice_read(in, ppos, pipe, len, flags);
+ }
++EXPORT_SYMBOL(do_splice_to);
+ 
+ /**
+  * splice_direct_to_actor - splices data directly between two non-pipes
+diff --git a/security/commoncap.c b/security/commoncap.c
+index a93b3b7..024282c 100644
+--- a/security/commoncap.c
++++ b/security/commoncap.c
+@@ -971,3 +971,4 @@ int cap_file_mmap(struct file *file, unsigned long reqprot,
+ 	}
+ 	return ret;
+ }
++EXPORT_SYMBOL(cap_file_mmap);
+diff --git a/security/device_cgroup.c b/security/device_cgroup.c
+index 1be6826..215278c 100644
+--- a/security/device_cgroup.c
++++ b/security/device_cgroup.c
+@@ -508,6 +508,7 @@ found:
+ 
+ 	return -EPERM;
+ }
++EXPORT_SYMBOL(__devcgroup_inode_permission);
+ 
+ int devcgroup_inode_mknod(int mode, dev_t dev)
+ {
+diff --git a/security/security.c b/security/security.c
+index 4ba6d4c..9f64bb8 100644
+--- a/security/security.c
++++ b/security/security.c
+@@ -373,6 +373,7 @@ int security_path_rmdir(struct path *dir, struct dentry *dentry)
+ 		return 0;
+ 	return security_ops->path_rmdir(dir, dentry);
+ }
++EXPORT_SYMBOL(security_path_rmdir);
+ 
+ int security_path_unlink(struct path *dir, struct dentry *dentry)
+ {
+@@ -389,6 +390,7 @@ int security_path_symlink(struct path *dir, struct dentry *dentry,
+ 		return 0;
+ 	return security_ops->path_symlink(dir, dentry, old_name);
+ }
++EXPORT_SYMBOL(security_path_symlink);
+ 
+ int security_path_link(struct dentry *old_dentry, struct path *new_dir,
+ 		       struct dentry *new_dentry)
+@@ -397,6 +399,7 @@ int security_path_link(struct dentry *old_dentry, struct path *new_dir,
+ 		return 0;
+ 	return security_ops->path_link(old_dentry, new_dir, new_dentry);
+ }
++EXPORT_SYMBOL(security_path_link);
+ 
+ int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
+ 			 struct path *new_dir, struct dentry *new_dentry)
+@@ -415,6 +418,7 @@ int security_path_truncate(struct path *path)
+ 		return 0;
+ 	return security_ops->path_truncate(path);
+ }
++EXPORT_SYMBOL(security_path_truncate);
+ 
+ int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
+ 			mode_t mode)
+@@ -423,6 +427,7 @@ int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
+ 		return 0;
+ 	return security_ops->path_chmod(dentry, mnt, mode);
+ }
++EXPORT_SYMBOL(security_path_chmod);
+ 
+ int security_path_chown(struct path *path, uid_t uid, gid_t gid)
+ {
+@@ -430,6 +435,7 @@ int security_path_chown(struct path *path, uid_t uid, gid_t gid)
+ 		return 0;
+ 	return security_ops->path_chown(path, uid, gid);
+ }
++EXPORT_SYMBOL(security_path_chown);
+ 
+ int security_path_chroot(struct path *path)
+ {
+@@ -506,6 +512,7 @@ int security_inode_readlink(struct dentry *dentry)
+ 		return 0;
+ 	return security_ops->inode_readlink(dentry);
+ }
++EXPORT_SYMBOL(security_inode_readlink);
+ 
+ int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
+ {
+@@ -520,6 +527,7 @@ int security_inode_permission(struct inode *inode, int mask)
+ 		return 0;
+ 	return security_ops->inode_permission(inode, mask, 0);
+ }
++EXPORT_SYMBOL(security_inode_permission);
+ 
+ int security_inode_exec_permission(struct inode *inode, unsigned int flags)
+ {
+@@ -626,6 +634,7 @@ int security_file_permission(struct file *file, int mask)
+ 
+ 	return fsnotify_perm(file, mask);
+ }
++EXPORT_SYMBOL(security_file_permission);
+ 
+ int security_file_alloc(struct file *file)
+ {
+@@ -653,6 +662,7 @@ int security_file_mmap(struct file *file, unsigned long reqprot,
+ 		return ret;
+ 	return ima_file_mmap(file, prot);
+ }
++EXPORT_SYMBOL(security_file_mmap);
+ 
+ int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
+ 			    unsigned long prot)