nixpkgs/pkgs/os-specific/linux/kernel/aufs2.patch

From:
http://git.c3sl.ufpr.br/gitweb?p=aufs/aufs2-standalone.git;a=blob;f=aufs2-base.patch;hb=eb0355d5b8ff5b04ad217a86d8c677f265675436
http://git.c3sl.ufpr.br/gitweb?p=aufs/aufs2-standalone.git;a=blob;f=aufs2-standalone.patch;hb=a9c3ab997b526d76bdd23391b3ddc1fdf28edd46

aufs2 base patch for linux-2.6.32

diff --git a/fs/namei.c b/fs/namei.c
index d11f404..7d28f56 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1219,7 +1219,7 @@ out:
  * 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)
 {
 	int err;
 
@@ -1229,7 +1229,7 @@ static struct dentry *lookup_hash(struct nameidata *nd)
 	return __lookup_hash(&nd->last, nd->path.dentry, nd);
 }
 
-static int __lookup_one_len(const char *name, struct qstr *this,
+int __lookup_one_len(const char *name, struct qstr *this,
 		struct dentry *base, int len)
 {
 	unsigned long hash;
diff --git a/fs/splice.c b/fs/splice.c
index 7394e9e..77184f0 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -1051,8 +1051,8 @@ 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);
@@ -1078,9 +1078,9 @@ 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 ec0f607..1438153 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -75,6 +75,9 @@ extern struct file *lookup_instantiate_filp(struct nameidata *nd, struct dentry
 extern struct file *nameidata_to_filp(struct nameidata *nd, int flags);
 extern void release_open_intent(struct nameidata *);
 
+extern struct dentry *lookup_hash(struct nameidata *nd);
+extern int __lookup_one_len(const char *name, struct qstr *this,
+			    struct dentry *base, int len);
 extern struct dentry *lookup_one_len(const char *, struct dentry *, int);
 extern struct dentry *lookup_one_noperm(const char *, struct dentry *);
 
diff --git a/include/linux/splice.h b/include/linux/splice.h
index 18e7c7c..8393b5c 100644
--- a/include/linux/splice.h
+++ b/include/linux/splice.h
@@ -82,4 +82,10 @@ extern ssize_t splice_to_pipe(struct pipe_inode_info *,
 extern ssize_t splice_direct_to_actor(struct file *, struct splice_desc *,
 				      splice_direct_actor *);
 
+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

aufs2 standalone patch for linux-2.6.32

diff --git a/fs/namei.c b/fs/namei.c
index 7d28f56..0f6117c 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -350,6 +350,7 @@ int deny_write_access(struct file * file)
 
 	return 0;
 }
+EXPORT_SYMBOL(deny_write_access);
 
 /**
  * path_get - get a reference to a path
@@ -1228,6 +1229,7 @@ struct dentry *lookup_hash(struct nameidata *nd)
 		return ERR_PTR(err);
 	return __lookup_hash(&nd->last, nd->path.dentry, nd);
 }
+EXPORT_SYMBOL(lookup_hash);
 
 int __lookup_one_len(const char *name, struct qstr *this,
 		struct dentry *base, int len)
@@ -1250,6 +1252,7 @@ int __lookup_one_len(const char *name, struct qstr *this,
 	this->hash = end_name_hash(hash);
 	return 0;
 }
+EXPORT_SYMBOL(__lookup_one_len);
 
 /**
  * lookup_one_len - filesystem helper to lookup single pathname component
diff --git a/fs/namespace.c b/fs/namespace.c
index bdc3cb4..a2cadcf 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -39,6 +39,7 @@
 
 /* spinlock for vfsmount related operations, inplace of dcache_lock */
 __cacheline_aligned_in_smp DEFINE_SPINLOCK(vfsmount_lock);
+EXPORT_SYMBOL(vfsmount_lock);
 
 static int event;
 static DEFINE_IDA(mnt_id_ida);
diff --git a/fs/notify/group.c b/fs/notify/group.c
index 0e16771..3fab10a 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"
@@ -169,6 +170,7 @@ void fsnotify_put_group(struct fsnotify_group *group)
 	fsnotify_recalc_global_mask();
 	fsnotify_destroy_group(group);
 }
+EXPORT_SYMBOL(fsnotify_put_group);
 
 /*
  * Simply run the fsnotify_groups list and find a group which matches
@@ -252,3 +254,4 @@ struct fsnotify_group *fsnotify_obtain_group(unsigned int group_num, __u32 mask,
 
 	return group;
 }
+EXPORT_SYMBOL(fsnotify_obtain_group);
diff --git a/fs/notify/inode_mark.c b/fs/notify/inode_mark.c
index 3165d85..4586162 100644
--- a/fs/notify/inode_mark.c
+++ b/fs/notify/inode_mark.c
@@ -106,6 +106,7 @@ void fsnotify_put_mark(struct fsnotify_mark_entry *entry)
 	if (atomic_dec_and_test(&entry->refcnt))
 		entry->free_mark(entry);
 }
+EXPORT_SYMBOL(fsnotify_put_mark);
 
 /*
  * Recalculate the mask of events relevant to a given inode locked.
@@ -216,6 +217,7 @@ void fsnotify_destroy_mark_by_entry(struct fsnotify_mark_entry *entry)
 	if (unlikely(atomic_dec_and_test(&group->num_marks)))
 		fsnotify_final_destroy_group(group);
 }
+EXPORT_SYMBOL(fsnotify_destroy_mark_by_entry);
 
 /*
  * Given a group, destroy all of the marks associated with that group.
@@ -282,6 +284,7 @@ struct fsnotify_mark_entry *fsnotify_find_mark_entry(struct fsnotify_group *grou
 	}
 	return NULL;
 }
+EXPORT_SYMBOL(fsnotify_find_mark_entry);
 
 /*
  * Nothing fancy, just initialize lists and locks and counters.
@@ -298,6 +301,7 @@ void fsnotify_init_mark(struct fsnotify_mark_entry *entry,
 	entry->inode = NULL;
 	entry->free_mark = free_mark;
 }
+EXPORT_SYMBOL(fsnotify_init_mark);
 
 /*
  * Attach an initialized mark entry to a given group and inode.
@@ -353,6 +357,7 @@ int fsnotify_add_mark(struct fsnotify_mark_entry *entry,
 
 	return ret;
 }
+EXPORT_SYMBOL(fsnotify_add_mark);
 
 /**
  * fsnotify_unmount_inodes - an sb is unmounting.  handle any watched inodes.
diff --git a/fs/open.c b/fs/open.c
index 4f01e06..ef09031 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -223,6 +223,7 @@ 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 77184f0..8479d95 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -1074,6 +1074,7 @@ 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.
@@ -1099,6 +1100,7 @@ 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 fe30751..813108d 100644
--- a/security/commoncap.c
+++ b/security/commoncap.c
@@ -1014,3 +1014,4 @@ 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 6cf8fd2..008e0d8 100644
--- a/security/device_cgroup.c
+++ b/security/device_cgroup.c
@@ -514,6 +514,7 @@ found:
 
 	return -EPERM;
 }
+EXPORT_SYMBOL(devcgroup_inode_permission);
 
 int devcgroup_inode_mknod(int mode, dev_t dev)
 {
diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c
index b85e61b..a23fad4 100644
--- a/security/integrity/ima/ima_main.c
+++ b/security/integrity/ima/ima_main.c
@@ -324,6 +324,7 @@ int ima_file_mmap(struct file *file, unsigned long prot)
 					 MAY_EXEC, FILE_MMAP);
 	return 0;
 }
+EXPORT_SYMBOL(ima_file_mmap);
 
 /**
  * ima_bprm_check - based on policy, collect/store measurement.
diff --git a/security/security.c b/security/security.c
index c4c6732..092cd90 100644
--- a/security/security.c
+++ b/security/security.c
@@ -386,6 +386,7 @@ int security_path_mkdir(struct path *path, struct dentry *dentry, int mode)
 		return 0;
 	return security_ops->path_mkdir(path, dentry, mode);
 }
+EXPORT_SYMBOL(security_path_mkdir);
 
 int security_path_rmdir(struct path *path, struct dentry *dentry)
 {
@@ -393,6 +394,7 @@ int security_path_rmdir(struct path *path, struct dentry *dentry)
 		return 0;
 	return security_ops->path_rmdir(path, dentry);
 }
+EXPORT_SYMBOL(security_path_rmdir);
 
 int security_path_unlink(struct path *path, struct dentry *dentry)
 {
@@ -400,6 +402,7 @@ int security_path_unlink(struct path *path, struct dentry *dentry)
 		return 0;
 	return security_ops->path_unlink(path, dentry);
 }
+EXPORT_SYMBOL(security_path_unlink);
 
 int security_path_symlink(struct path *path, struct dentry *dentry,
 			  const char *old_name)
@@ -408,6 +411,7 @@ int security_path_symlink(struct path *path, struct dentry *dentry,
 		return 0;
 	return security_ops->path_symlink(path, dentry, old_name);
 }
+EXPORT_SYMBOL(security_path_symlink);
 
 int security_path_link(struct dentry *old_dentry, struct path *new_dir,
 		       struct dentry *new_dentry)
@@ -416,6 +420,7 @@ 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)
@@ -426,6 +431,7 @@ int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
 	return security_ops->path_rename(old_dir, old_dentry, new_dir,
 					 new_dentry);
 }
+EXPORT_SYMBOL(security_path_rename);
 
 int security_path_truncate(struct path *path, loff_t length,
 			   unsigned int time_attrs)
@@ -434,6 +440,7 @@ int security_path_truncate(struct path *path, loff_t length,
 		return 0;
 	return security_ops->path_truncate(path, length, time_attrs);
 }
+EXPORT_SYMBOL(security_path_truncate);
 #endif
 
 int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
@@ -505,6 +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)
 {
@@ -519,6 +527,7 @@ int security_inode_permission(struct inode *inode, int mask)
 		return 0;
 	return security_ops->inode_permission(inode, mask);
 }
+EXPORT_SYMBOL(security_inode_permission);
 
 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
 {
@@ -619,6 +628,7 @@ int security_file_permission(struct file *file, int mask)
 {
 	return security_ops->file_permission(file, mask);
 }
+EXPORT_SYMBOL(security_file_permission);
 
 int security_file_alloc(struct file *file)
 {
@@ -641,6 +651,7 @@ int security_file_mmap(struct file *file, unsigned long reqprot,
 {
 	return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
 }
+EXPORT_SYMBOL(security_file_mmap);
 
 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
 			    unsigned long prot)