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[PATCH 27/42] Unionfs: async I/O queue headers

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To: <hch@...>, <viro@...>, <akpm@...>
Cc: <linux-kernel@...>, <linux-fsdevel@...>, Erez Zadok <ezk@...>
Date: Sunday, December 9, 2007 - 10:42 pm

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
---
 fs/unionfs/sioq.h |   92 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 92 insertions(+), 0 deletions(-)
 create mode 100644 fs/unionfs/sioq.h

diff --git a/fs/unionfs/sioq.h b/fs/unionfs/sioq.h
new file mode 100644
index 0000000..afb71ee
--- /dev/null
+++ b/fs/unionfs/sioq.h
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2006-2007 Erez Zadok
+ * Copyright (c) 2006      Charles P. Wright
+ * Copyright (c) 2006-2007 Josef 'Jeff' Sipek
+ * Copyright (c) 2006      Junjiro Okajima
+ * Copyright (c) 2006      David P. Quigley
+ * Copyright (c) 2006-2007 Stony Brook University
+ * Copyright (c) 2006-2007 The Research Foundation of SUNY
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _SIOQ_H
+#define _SIOQ_H
+
+struct deletewh_args {
+	struct unionfs_dir_state *namelist;
+	struct dentry *dentry;
+	int bindex;
+};
+
+struct is_opaque_args {
+	struct dentry *dentry;
+};
+
+struct create_args {
+	struct inode *parent;
+	struct dentry *dentry;
+	umode_t mode;
+	struct nameidata *nd;
+};
+
+struct mkdir_args {
+	struct inode *parent;
+	struct dentry *dentry;
+	umode_t mode;
+};
+
+struct mknod_args {
+	struct inode *parent;
+	struct dentry *dentry;
+	umode_t mode;
+	dev_t dev;
+};
+
+struct symlink_args {
+	struct inode *parent;
+	struct dentry *dentry;
+	char *symbuf;
+	umode_t mode;
+};
+
+struct unlink_args {
+	struct inode *parent;
+	struct dentry *dentry;
+};
+
+
+struct sioq_args {
+	struct completion comp;
+	struct work_struct work;
+	int err;
+	void *ret;
+
+	union {
+		struct deletewh_args deletewh;
+		struct is_opaque_args is_opaque;
+		struct create_args create;
+		struct mkdir_args mkdir;
+		struct mknod_args mknod;
+		struct symlink_args symlink;
+		struct unlink_args unlink;
+	};
+};
+
+/* Extern definitions for SIOQ functions */
+extern int __init init_sioq(void);
+extern void stop_sioq(void);
+extern void run_sioq(work_func_t func, struct sioq_args *args);
+
+/* Extern definitions for our privilege escalation helpers */
+extern void __unionfs_create(struct work_struct *work);
+extern void __unionfs_mkdir(struct work_struct *work);
+extern void __unionfs_mknod(struct work_struct *work);
+extern void __unionfs_symlink(struct work_struct *work);
+extern void __unionfs_unlink(struct work_struct *work);
+extern void __delete_whiteouts(struct work_struct *work);
+extern void __is_opaque_dir(struct work_struct *work);
+
+#endif /* not _SIOQ_H */
-- 
1.5.2.2

--
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Messages in current thread:
[UNIONFS] 00/42 Unionfs and related patches review, Erez Zadok, (Sun Dec 9, 10:41 pm)
[PATCH 21/42] Unionfs: inode operations, Erez Zadok, (Sun Dec 9, 10:41 pm)
[PATCH 30/42] Unionfs: debugging infrastructure, Erez Zadok, (Sun Dec 9, 10:42 pm)
[PATCH 20/42] Unionfs: readdir state helpers, Erez Zadok, (Sun Dec 9, 10:41 pm)
[PATCH 13/42] Unionfs: basic file operations, Erez Zadok, (Sun Dec 9, 10:41 pm)
[PATCH 36/42] VFS: export drop_pagecache_sb, Erez Zadok, (Sun Dec 9, 10:42 pm)
Re: [PATCH 36/42] VFS: export drop_pagecache_sb, Nick Piggin, (Wed Dec 12, 1:38 am)
Re: [PATCH 36/42] VFS: export drop_pagecache_sb , Erez Zadok, (Thu Dec 13, 11:24 am)
Re: [PATCH 36/42] VFS: export drop_pagecache_sb, Nick Piggin, (Thu Dec 13, 6:47 pm)
[PATCH 11/42] Unionfs: main header file, Erez Zadok, (Sun Dec 9, 10:41 pm)
[PATCH 25/42] Unionfs: super_block operations, Erez Zadok, (Sun Dec 9, 10:41 pm)
[PATCH 16/42] Unionfs: lower-level lookup routines, Erez Zadok, (Sun Dec 9, 10:41 pm)
[PATCH 10/42] Unionfs: fanout header definitions, Erez Zadok, (Sun Dec 9, 10:41 pm)
[PATCH 17/42] Unionfs: rename method and helpers, Erez Zadok, (Sun Dec 9, 10:41 pm)
[PATCH 34/42] VFS path get/put ops used by Unionfs, Erez Zadok, (Sun Dec 9, 10:42 pm)
[PATCH 23/42] Unionfs: address-space operations, Erez Zadok, (Sun Dec 9, 10:41 pm)
[PATCH 19/42] Unionfs: readdir helper functions, Erez Zadok, (Sun Dec 9, 10:41 pm)
[PATCH 14/42] Unionfs: lower-level copyup routines, Erez Zadok, (Sun Dec 9, 10:41 pm)
[PATCH 38/42] VFS: simplified fsstack_copy_attr_all, Erez Zadok, (Sun Dec 9, 10:42 pm)
[PATCH 32/42] Unionfs file system magic number, Erez Zadok, (Sun Dec 9, 10:42 pm)
[PATCH 37/42] VFS: export release_open_intent symbol, Erez Zadok, (Sun Dec 9, 10:42 pm)
[PATCH 33/42] MM: extern for drop_pagecache_sb, Erez Zadok, (Sun Dec 9, 10:42 pm)
Re: [PATCH 33/42] MM: extern for drop_pagecache_sb, Adrian Bunk, (Mon Dec 10, 10:04 am)
Re: [PATCH 33/42] MM: extern for drop_pagecache_sb , Erez Zadok, (Thu Dec 13, 11:05 am)
[PATCH 29/42] Unionfs: miscellaneous helper routines, Erez Zadok, (Sun Dec 9, 10:42 pm)
[PATCH 31/42] VFS: fs_stack header cleanups, Erez Zadok, (Sun Dec 9, 10:42 pm)
[PATCH 15/42] Unionfs: dentry revalidation, Erez Zadok, (Sun Dec 9, 10:41 pm)
[PATCH 22/42] Unionfs: unlink/rmdir operations, Erez Zadok, (Sun Dec 9, 10:41 pm)
[PATCH 28/42] Unionfs: async I/O queue operations, Erez Zadok, (Sun Dec 9, 10:42 pm)
[PATCH 27/42] Unionfs: async I/O queue headers, Erez Zadok, (Sun Dec 9, 10:42 pm)
[PATCH 09/42] Unionfs: main Makefile, Erez Zadok, (Sun Dec 9, 10:41 pm)
[PATCH 08/42] Makefile: hook to compile unionfs, Erez Zadok, (Sun Dec 9, 10:41 pm)
[PATCH 04/42] Unionfs: usage documentation for users, Erez Zadok, (Sun Dec 9, 10:41 pm)
[PATCH 07/42] Unionfs maintainers, Erez Zadok, (Sun Dec 9, 10:41 pm)
[PATCH 02/42] Unionfs: unionfs documentation index, Erez Zadok, (Sun Dec 9, 10:41 pm)
Re: [PATCH 01/42] Unionfs: filesystems documentation index, Jan Engelhardt, (Mon Dec 10, 10:47 am)
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