Add aufs2.1 for 2.6.38

svn path=/nixpkgs/trunk/; revision=26811

4 files changed, 397 insertions, 7 deletions

diff --git a/pkgs/os-specific/linux/aufs2.1/default.nix b/pkgs/os-specific/linux/aufs2.1/default.nix
index 65d334cc15c..d118f1f7487 100644
--- a/pkgs/os-specific/linux/aufs2.1/default.nix
+++ b/pkgs/os-specific/linux/aufs2.1/default.nix
@@ -2,16 +2,28 @@
 
 assert kernel.features ? aufsBase;
 
-let version = "20110303"; in
+let version = 
+  if (builtins.lessThan (builtins.compareVersions kernel.version "2.6.38") 0) 
+  then "20110303"
+  else "20110408"; in
 
 stdenv.mkDerivation {
   name = "aufs2.1-${version}";
 
-  src = fetchgit {
-    url = "git://git.c3sl.ufpr.br/aufs/aufs2-standalone.git";
-    rev = "aceef6c84dbe5798bf46904252727b9588eafaf6";
-    sha256 = "50a8cb39af5fee82e88b65351cac52b6ab95a68c45e0a98da9fa1925b28f048d";
-  };
+  src =
+  if (builtins.lessThan (builtins.compareVersions kernel.version "2.6.38") 0) 
+  then
+    fetchgit {
+      url = "git://git.c3sl.ufpr.br/aufs/aufs2-standalone.git";
+      rev = "aceef6c84dbe5798bf46904252727b9588eafaf6";
+      sha256 = "50a8cb39af5fee82e88b65351cac52b6ab95a68c45e0a98da9fa1925b28f048d";
+    }
+  else
+    fetchgit {
+      url = "git://git.c3sl.ufpr.br/aufs/aufs2-standalone.git";
+      rev = "01cb6101f477339bc95e6b47e3618bb29ecc68db";
+      sha256 = "4af3c4b1e99ef58abe8530665309021d541ee840ee54f442606cc418646a1faf";
+    };
 
   buildInputs = [ perl ];
 
diff --git a/pkgs/os-specific/linux/kernel/aufs2.1-38.patch b/pkgs/os-specific/linux/kernel/aufs2.1-38.patch
new file mode 100644
index 00000000000..e6d4ccbb164
--- /dev/null
+++ b/pkgs/os-specific/linux/kernel/aufs2.1-38.patch
@@ -0,0 +1,368 @@
+aufs2.1 base patch for linux-2.6.38
+
+diff --git a/fs/namei.c b/fs/namei.c
+index a4689eb..0513563 100644
+--- a/fs/namei.c
++++ b/fs/namei.c
+@@ -1842,12 +1842,12 @@ 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)
+ {
+ 	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 50a5d978..886e942 100644
+--- a/fs/splice.c
++++ b/fs/splice.c
+@@ -1081,8 +1081,8 @@ 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);
+@@ -1109,9 +1109,9 @@ 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 f276d4f..4eb5fcb 100644
+--- a/include/linux/namei.h
++++ b/include/linux/namei.h
+@@ -79,6 +79,9 @@ 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 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 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
+aufs2.1 standalone patch for linux-2.6.38
+
+diff --git a/fs/file_table.c b/fs/file_table.c
+index eb36b6b..12f2809 100644
+--- a/fs/file_table.c
++++ b/fs/file_table.c
+@@ -393,6 +393,8 @@ 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 0647d80..294b8ad 100644
+--- a/fs/inode.c
++++ b/fs/inode.c
+@@ -82,6 +82,7 @@ static struct hlist_head *inode_hashtable __read_mostly;
+  * the i_state of an inode while it is in use..
+  */
+ DEFINE_SPINLOCK(inode_lock);
++EXPORT_SYMBOL(inode_lock);
+ 
+ /*
+  * iprune_sem provides exclusion between the kswapd or try_to_free_pages
+diff --git a/fs/namei.c b/fs/namei.c
+index 0513563..e1d996e 100644
+--- a/fs/namei.c
++++ b/fs/namei.c
+@@ -353,6 +353,7 @@ int deny_write_access(struct file * file)
+ 
+ 	return 0;
+ }
++EXPORT_SYMBOL(deny_write_access);
+ 
+ /**
+  * path_get - get a reference to a path
+@@ -1846,6 +1847,7 @@ struct dentry *lookup_hash(struct nameidata *nd)
+ {
+ 	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)
+@@ -1868,6 +1870,7 @@ 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 d1edf26..44ca259 100644
+--- a/fs/namespace.c
++++ b/fs/namespace.c
+@@ -1465,6 +1465,7 @@ 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 325185e..adede09 100644
+--- a/fs/notify/mark.c
++++ b/fs/notify/mark.c
+@@ -113,6 +113,7 @@ 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.
+@@ -190,6 +191,7 @@ 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)
+ {
+@@ -277,6 +279,7 @@ err:
+ 
+ 	return ret;
+ }
++EXPORT_SYMBOL(fsnotify_add_mark);
+ 
+ /*
+  * clear any marks in a group in which mark->flags & flags is true
+@@ -332,6 +335,7 @@ 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 b47aab3..cf7b1ac 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 886e942..9a77a3e 100644
+--- a/fs/splice.c
++++ b/fs/splice.c
+@@ -1105,6 +1105,7 @@ 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.
+@@ -1131,6 +1132,7 @@ 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 64c2ed9..e58b5d8 100644
+--- a/security/commoncap.c
++++ b/security/commoncap.c
+@@ -929,3 +929,4 @@ 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 8d9c48f..29108aa 100644
+--- a/security/device_cgroup.c
++++ b/security/device_cgroup.c
+@@ -515,6 +515,7 @@ 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 7b7308a..140afc7 100644
+--- a/security/security.c
++++ b/security/security.c
+@@ -359,6 +359,7 @@ int security_path_mkdir(struct path *dir, struct dentry *dentry, int mode)
+ 		return 0;
+ 	return security_ops->path_mkdir(dir, dentry, mode);
+ }
++EXPORT_SYMBOL(security_path_mkdir);
+ 
+ int security_path_rmdir(struct path *dir, struct dentry *dentry)
+ {
+@@ -366,6 +367,7 @@ 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)
+ {
+@@ -373,6 +375,7 @@ int security_path_unlink(struct path *dir, struct dentry *dentry)
+ 		return 0;
+ 	return security_ops->path_unlink(dir, dentry);
+ }
++EXPORT_SYMBOL(security_path_unlink);
+ 
+ int security_path_symlink(struct path *dir, struct dentry *dentry,
+ 			  const char *old_name)
+@@ -381,6 +384,7 @@ 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)
+@@ -389,6 +393,7 @@ 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)
+@@ -399,6 +404,7 @@ 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)
+ {
+@@ -406,6 +412,7 @@ 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)
+@@ -414,6 +421,7 @@ 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)
+ {
+@@ -421,6 +429,7 @@ 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)
+ {
+@@ -497,6 +506,7 @@ 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)
+ {
+@@ -511,6 +521,7 @@ 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_exec_permission(struct inode *inode, unsigned int flags)
+ {
+@@ -619,6 +630,7 @@ 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)
+ {
+@@ -646,6 +658,7 @@ 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)
+
diff --git a/pkgs/os-specific/linux/kernel/patches.nix b/pkgs/os-specific/linux/kernel/patches.nix
index 38d6c2f4ec2..b500ee7d72d 100644
--- a/pkgs/os-specific/linux/kernel/patches.nix
+++ b/pkgs/os-specific/linux/kernel/patches.nix
@@ -212,6 +212,16 @@ in
       features.aufs2_1 = true;
     };
 
+  aufs2_1_2_6_38 =
+    { # From http://aufs.git.sourceforge.net/git/gitweb.cgi?p=aufs/aufs2-standalone.git;a=tree;h=refs/heads/aufs2.1-38;hb=refs/heads/aufs2.1-38
+      # Note that this merely the patch needed to build AUFS2.1 as a
+      # standalone package.
+      name = "aufs2.1";
+      patch = ./aufs2.1-38.patch;
+      features.aufsBase = true;
+      features.aufs2_1 = true;
+    };
+
   # Increase the timeout on CIFS requests from 15 to 120 seconds to
   # make CIFS more resilient to high load on the CIFS server.
   cifs_timeout =
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index c9a8893c9df..2ad45f1ecbe 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -5154,7 +5154,7 @@ let
     kernelPatches =
       [ #kernelPatches.fbcondecor_2_6_35
         kernelPatches.sec_perm_2_6_24
-        #kernelPatches.aufs2_2_6_35
+        kernelPatches.aufs2_1_2_6_38
         #kernelPatches.mips_restart_2_6_36
       ];
   };