This is my initial working version.

There is a bug in boot in this version: subhurd sometimes cannot boot.

1 files changed, 229 insertions, 0 deletions

diff --git a/unionfs/ChangeLog b/unionfs/ChangeLog
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+2006-06-21  Alfred M. Szmidt  <ams@gnu.org>
+
+	* lib.c (for_each_subdir): Revert previous change.  Reported by
+	Aanjhan Ranganathan <aanjhan@tuxmaniac.com>.
+
+2006-04-13  Ben Asselstine  <benasselstine@gmail.com>
+
+	* options.c (argp_parse_common_options)
+	(argp_parse_startup_options, parsing_startup_options_finished)
+	(argp_common_options, argp_startup_options)
+	(argp_parser_common_options, argp_parser_startup_options)
+	(argp_children_runtime): Make these static.
+	* ulfs.c (ulfs_create, ulfs_destroy, ulfs_install)
+	(ulfs_uninstall, ulfs_get_path): Likewise.
+
+	* ulfs.h (ulfs_get_path): Remove declaration.
+
+	* lib.c (for_each_subdir): Remove unused variables.
+
+2005-06-27  Ben Asselstine  <benasselstine@gmail.com>
+
+	* ulfs.c (ulfs_install): Rewrote to allow insertions of
+	filesystems based on priority.
+	(ulfs_register): Added new argument 'priority'. Set the priority
+	value in ulfs structure.
+	* ulfs.h (ulfs): Added 'priority' field to struct. 
+	Updated ulfs_register declaration.
+	* netfs.c (netfs_append_args): Appending new priority option.
+	* stow.c (stow_privdata): Added 'priority' field to struct.
+	(stow_diradd): Added new 'priority' argument. Fill priority field
+	of 'mypriv'.
+	(_stow_scanstowentry): Changed caller to ulfs_register.
+	(_stow_registermatchingdirs): Likewise.
+	* options.c (arg_common_options): Added entries for OPT_PRIORITY
+	and OPT_ADD.
+	(arg_parse_common_options): Handle OPT_PRIORITY and OPT_ADD
+	case. Renamed 'ulfs_removed' to 'ulfs_mode'. New variable
+	'ulfs_priority'. Changed caller to 'stow_diradd'. Changed caller
+	to 'ulfs_register'.
+	* options.h (OPT_ADD, OPT_PRIORITY, OPT_LONG_ADD)
+	(OPT_LONG_PRIORITY, ULFS_MODE_ADD, ULFS_MODE_REMOVE): New
+	declarations.
+
+2005-06-13  Gianluca Guida  <glguida@gmail.com>
+
+	* main.c (main): Set properly netfs_root_node permissions when
+	underlying node is not a file
+	Reported by Alfred M. Szmidt.
+
+2005-05-31  Gianluca Guida  <glguida@gmail.com>
+
+	* node.c (node_unlink_file): Use lookup to figure out whether a file
+	exists or not, or it will fail on read-only filesystems. 
+	Reported by Ben Asselstine.
+
+2005-05-30  Gianluca Guida  <glguida@gmail.com>
+
+	* AUTHORS: Added myself in the list.
+	* README: Added sections "Introduction" and "Stowing Feature".
+	* options.c (argp_program_bug_address): Changed address.
+
+	* lib.c (for_each_subdir): When call to stat() fails free "name"
+	and continue the loop, instead of returning error. Return 0 at the
+	end of the loop.
+	(for_each_subdir_priv): Likewise.
+
+	* stow.c (_stow_registermatchingdirs): Don't return error when
+	patternlist_match returns false. Free filepath before returning
+	error when ulfs_register fails.
+
+	* ulfs.c (ulfs_register): Removed bogus fprintf.
+	
+2005-05-29  Gianluca Guida  <glguida@gmail.com>
+
+	* Makefile: Added support for building mig stubs for stow feature.
+	(OBJS): Added update.o
+	(unionfs): Added fs_notifyServer.o to final linking.
+	(unionfs.static): Likewise.
+	(fs_notifyServer.o): New rule.
+	(clean): Remove fs_notifyServer.c and fs_notify_S.h when cleaning.
+
+	* netfs.c (OFFSET_T): New macro.
+	(_get_node_size): New function.
+	(netfs_validate_stat): Call _get_node_size for root node.
+
+	* node.c (node_unlink_file): New variable "removed". Return ENOENT
+	if no files unlinked.
+	
+	* ulfs.c: Include "unionfs", fcntl.h and "lib.h".
+	(ulfs_install, ulfs_uninstall): Rewritten.
+	(ulfs_for_each_under_priv, ulfs_check): New function.
+	(ulfs_register): Check that argument is a directory.
+	* ulfs.h: Removed field "prevp" from struct ulfs.
+	(ulfs_check): New declaration.
+	(ulfs_iterate, ulfs_iterate_unlocked): Don't use ulfs_chain_end.
+	* lib.c (check_dir): New function.
+	* lib.h: Added declaration of check_dir.
+	
+	* stow.c: Include "update.h", cthreads.h, hurd/port.h,
+	"stow-priv.h" and "ncache.h".
+	(stow_privdata) Added "lock" to struct. Removed "remove" to
+	struct.
+	(_stow_registermatchingdirs): Removed call to
+	debug_msg_send. Removed call to ulfs_unregister when
+	privdata->remove is set. Return error on ulfs_register failure
+	instead of exiting the program.
+	(_stow_scanstowentry): Removed call to ulfs_unregister when
+	privdata->remove is set. Lock privdata->lock and unlock at end.
+	(stow_port_bucket, stow_port_class): New variables.
+	(_stow_notify_init, begin_using_notify_ports)
+	(end_using_notify_ports, stow_S_file_changed, stow_S_dir_changed)
+	(_stow_notify_thread, stow_init): New functions.
+	(stow_diradd): Allocate "mypriv" instead of using stack.  Call
+	_stow_notify_init.
+	* stow.h: Include "pattern.h".  Declare
+	stow_init.  
+
+	* stow-priv.h: New file.  
+	* stow-mutations.h: Likewise.
+	* update.c: Likewise.
+	* update.h: Likewise.
+
+	* options.c: Include "update.h".
+	(argp_parse_common_options): Check stow_diradd return. Call
+	root_update_schedule instead of node_init_root and ncache_reset
+	when parsing_startup_options_finished is set.
+
+	* main.c: Include "stow.h". Include "update.h".
+	(main): Call stow_init. Call root_update_init.
+
+2005-05-25  Gianluca Guida  <glguida@gmail.com>
+
+	* CAVEAT: New file.
+	* README: Rewritten.
+
+	* netfs.c (netfs_attempt_unlink): Use fshelp_checkdirmod
+	instead of fshelp_access.
+	(netfs_attempt_mkdir): Implemented.
+	(netfs_attempt_rmdir): Likewise.
+	(netfs_attempt_create_file_reduced): Likewise.
+	Fixed typo in a comment.
+	* node.c (node_dir_remove): New function.
+	(node_dir_create): Likewise.
+	* node.h (node_dir_create): New declaration.
+	(node_dir_remove): Likewise.
+
+	* lib.c (for_each_file_priv): Removed unused variables 
+	"name" and "filestat".
+
+2005-05-24  Gianluca Guida  <glguida@gmail.com>
+
+	* netfs.c (netfs_attempt_unlink): Implemented.
+	(netfs_attempt_create_file_reduced): New function.
+	(netfs_S_dir_lookup): Initialized variable "error".
+	Added support for file creation.
+	(netfs_attempt_lookup_improved): Changed instruction flow,
+	return on error not continue on non-error.
+	Check user permission to open file before returning port.
+	* node.c (node_create, node_update, node_lookup_file, node_ulfs_free)
+	(node_ulfs_init, node_entries_get, node_create_root, node_init_root):
+	Changed instruction flow, return on error not continue on non-error.
+	(node_unlink_file): New function.
+	* node.h (node_unlink_file): New declaration.
+	(node_ulfs_iterate_reverse_unlocked): New macro.
+
+	* options.c (argp_parse_common_options): Removed debugging fprintf.
+	
+2005-01-31  Gianluca Guida  <glguida@gmail.com>
+
+	* stow.c (stow_diradd): Handle --stow argument with missing / 
+	correctly.
+
+2005-01-31  Gianluca Guida  <glguida@gmail.com>
+
+	* pattern.c: New file.
+	* stow.c: Likewise.
+	* pattern.h: Likewise.
+	* stow.h: Likewise.
+	* Makefile (OBJS): Added pattern.o and stow.o
+
+	* node.c: Initialize variable err.
+	* lib.c (file_lookup): Initialize variable err.
+	Include <fcntl.h>.
+	(make_filepath, for_each_subdir, for_each_subdir_priv)
+	(for_each_file_priv): New function.
+	* lib.h (make_filepath, for_each_subdir, for_each_subdir_priv): New 
+	declaration.
+	* options.c: Include "pattern.h".
+	Include "stow.h".
+	(arg_common_options): Added entries for OPT_STOW and OPT_PATTERN.
+	(argp_parse_common_options): Handle OPT_STOW and OPT_PATTERN case.
+	* options.h (OPT_PATTERN, OPT_STOW, OPT_LONG_PATTERN, OPT_LONG_STOW): 
+	New declarations.
+	
+2003-07-05  Jeroen Dekkers  <jeroen@dekkers.cx>
+
+	* Makefile: Rewrite.
+
+	* netfs.c (netfs_attempt_create_file): Unlock DIR.
+	(netfs_attempt_mkfile): Likewise.
+
+2002-12-09  Moritz Schulte  <moritz@duesseldorf.ccc.de>
+
+	* lib.h: Fix pointer arg.
+	* lib.c (dir_entries_get): Likewise.
+	* lib.c (dir_entries_get): Fix typo.
+	(dir_entries_get): Change type of data_size to size_t.
+	* node.c (node_entries_get): Change type of dirent_data_size to
+	size_t.
+
+2002-12-08  Moritz Schulte  <moritz@duesseldorf.ccc.de>
+
+	* BUGS: Remove the memory-leak bug.
+	* lib.c: Include <sys/mman.h>.
+	* node.c: Include <sys/mman.h>.
+	(node_entries_get): munmap dirent_data as returned by
+	dir_entries_get.
+	(node_entries_get): New variable: int dirent_data_size.
+	* lib.c (dir_entries_get): New argument: int *dirent_data_size.
+	(dir_entries_get): Do not forget to munmap DATA if something goes
+	wrong.
+	* lib.h: Update dir_entries_get declaration.
+	
+	* node.c (node_create_root): call lnode_destroy, if node_create
+	failed, not if lnode_create failed.  Reported by Richard Smith.
+
+  Copyright 2002, 2003, 2005 Free Software Foundation, Inc.
+  Copying and distribution of this file, with or without modification, are
+  permitted provided the copyright notice and this notice are preserved.