[POWERPC] spufs: add support for nonschedulable contexts

[pandora-kernel.git] / arch / powerpc / platforms / cell / spufs / inode.c

diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index 427d00a..787ae71 100644 (file)
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -258,7 +258,12 @@ spufs_mkdir(struct inode *dir, struct dentry *dentry, unsigned int flags,
 
        inode->i_op = &spufs_dir_inode_operations;
        inode->i_fop = &simple_dir_operations;
-       ret = spufs_fill_dir(dentry, spufs_dir_contents, mode, ctx);
+       if (flags & SPU_CREATE_NOSCHED)
+               ret = spufs_fill_dir(dentry, spufs_dir_nosched_contents,
+                                        mode, ctx);
+       else
+               ret = spufs_fill_dir(dentry, spufs_dir_contents, mode, ctx);
+
        if (ret)
                goto out_free_ctx;
 
@@ -307,6 +312,16 @@ static int spufs_create_context(struct inode *inode,
 {
        int ret;
 
+       ret = -EPERM;
+       if ((flags & SPU_CREATE_NOSCHED) &&
+           !capable(CAP_SYS_NICE))
+               goto out_unlock;
+
+       ret = -EINVAL;
+       if ((flags & (SPU_CREATE_NOSCHED | SPU_CREATE_ISOLATE))
+           == SPU_CREATE_ISOLATE)
+               goto out_unlock;
+
        ret = spufs_mkdir(inode, dentry, flags, mode & S_IRWXUGO);
        if (ret)
                goto out_unlock;