apply aufs patch to other kernels.

svn path=/nixpkgs/trunk/; revision=28708

2 files changed, 91 insertions, 0 deletions

diff --git a/pkgs/os-specific/linux/kernel/aufs2-33.patch b/pkgs/os-specific/linux/kernel/aufs2-33.patch
new file mode 100644
index 000000000000..49a660b0c9e8
--- /dev/null
+++ b/pkgs/os-specific/linux/kernel/aufs2-33.patch
@@ -0,0 +1,82 @@
+ufs2 base patch for linux-2.6.33
+
+diff --git a/fs/namei.c b/fs/namei.c
+index a4855af..1d12d37 100644
+--- a/fs/namei.c
++++ b/fs/namei.c
+@@ -1207,7 +1207,7 @@ 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;
+ 
+@@ -1217,7 +1217,7 @@ 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 3920866..b13a9a2 100644
+--- a/fs/splice.c
++++ b/fs/splice.c
+@@ -1053,8 +1053,8 @@ 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);
+@@ -1081,9 +1081,9 @@ 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 05b441d..91bc74e 100644
+--- a/include/linux/namei.h
++++ b/include/linux/namei.h
+@@ -73,6 +73,9 @@ 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(struct path *);
+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
+
diff --git a/pkgs/os-specific/linux/kernel/patches.nix b/pkgs/os-specific/linux/kernel/patches.nix
index 70016e72910d..2b0d76d76edb 100644
--- a/pkgs/os-specific/linux/kernel/patches.nix
+++ b/pkgs/os-specific/linux/kernel/patches.nix
@@ -195,6 +195,15 @@ rec {
       features.aufsBase = true;
     };
 
+  aufs2_2_6_33 =
+    { # From http://git.c3sl.ufpr.br/gitweb?p=aufs/aufs2-standalone.git;a=tree;h=refs/heads/aufs2-33;hb=aufs2-33
+      # Note that this merely the patch needed to build AUFS2 as a
+      # standalone package.
+      name = "aufs2";
+      patch = ./aufs2-33.patch;
+      features.aufsBase = true;
+    };
+
   aufs2_2_6_34 =
     { # From http://git.c3sl.ufpr.br/gitweb?p=aufs/aufs2-standalone.git;a=tree;h=refs/heads/aufs2-34;hb=aufs2-34
       # Note that this merely the patch needed to build AUFS2 as a