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freebsd-skq/sys/gnu/fs/ext2fs/ext2_vnops.c

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Main code for the ext2fs filesystem. Please refer to the COPYRIGHT.INFO file for GPL restrictions. This code was ported to the BSD platform by Godmar Back <gback@facility.cs.utah.edu> and specifically to FreeBSD by John Dyson. This code is still green and should be used with caution. Additional changes to UFS necessary to make this code work will be commited seperately. Submitted by: Godmar Back <gback@facility.cs.utah.edu> Obtained from: Lites/Mach4
1995-11-05 23:25:12 +00:00
/*
* modified for EXT2FS support in Lites 1.1
*
* Aug 1995, Godmar Back (gback@cs.utah.edu)
* University of Utah, Department of Computer Science
*/
/*
* Copyright (c) 1982, 1986, 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)ext2_vnops.c 8.7 (Berkeley) 2/3/94
*/
#if !defined(__FreeBSD__)
#include "fifo.h"
#include "diagnostic.h"
#endif
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/resourcevar.h>
#include <sys/kernel.h>
#include <sys/stat.h>
#include <sys/buf.h>
#include <sys/proc.h>
#include <sys/mount.h>
Code cleanup. Removed !FreeBSD code arround sysctl stuff. Renamed doclusterread/doclusterwrite into ext2_doclusterread and ext2_doclusterwrite, which are unique names. Moved #include of <sys/sysctl.h> to the top of the file. Pointed out by: Bruce Evans <bde@zeta.org.au>
1997-08-24 11:23:17 +00:00
#include <sys/sysctl.h>
Removed unused #includes.
1997-06-14 14:17:07 +00:00
#include <sys/time.h>
Main code for the ext2fs filesystem. Please refer to the COPYRIGHT.INFO file for GPL restrictions. This code was ported to the BSD platform by Godmar Back <gback@facility.cs.utah.edu> and specifically to FreeBSD by John Dyson. This code is still green and should be used with caution. Additional changes to UFS necessary to make this code work will be commited seperately. Submitted by: Godmar Back <gback@facility.cs.utah.edu> Obtained from: Lites/Mach4
1995-11-05 23:25:12 +00:00
#include <sys/vnode.h>
#include <vm/vm.h>
Restored used includes of <vm/vm_extern.h>.
1995-12-10 14:52:10 +00:00
#include <vm/vm_extern.h>
Main code for the ext2fs filesystem. Please refer to the COPYRIGHT.INFO file for GPL restrictions. This code was ported to the BSD platform by Godmar Back <gback@facility.cs.utah.edu> and specifically to FreeBSD by John Dyson. This code is still green and should be used with caution. Additional changes to UFS necessary to make this code work will be commited seperately. Submitted by: Godmar Back <gback@facility.cs.utah.edu> Obtained from: Lites/Mach4
1995-11-05 23:25:12 +00:00
#include <miscfs/specfs/specdev.h>
#include <miscfs/fifofs/fifo.h>
#if !defined(__FreeBSD__)
#include <ufs/ufs/lockf.h>
#else
#include <sys/signalvar.h>
#endif
#include <ufs/ufs/quota.h>
#include <ufs/ufs/inode.h>
#include <ufs/ufs/ufs_extern.h>
Correct the port of ext2fs to Lite/2. I incorrectly used ufs_reclaim instead of ffs_reclaim.
1997-02-26 05:08:18 +00:00
#include <ufs/ffs/ffs_extern.h>
Main code for the ext2fs filesystem. Please refer to the COPYRIGHT.INFO file for GPL restrictions. This code was ported to the BSD platform by Godmar Back <gback@facility.cs.utah.edu> and specifically to FreeBSD by John Dyson. This code is still green and should be used with caution. Additional changes to UFS necessary to make this code work will be commited seperately. Submitted by: Godmar Back <gback@facility.cs.utah.edu> Obtained from: Lites/Mach4
1995-11-05 23:25:12 +00:00
#include <gnu/ext2fs/ext2_fs_sb.h>
#include <gnu/ext2fs/fs.h>
#include <gnu/ext2fs/ext2_extern.h>
Staticize.
1995-12-17 21:14:36 +00:00
static int ext2_fsync __P((struct vop_fsync_args *));
static int ext2_read __P((struct vop_read_args *));
static int ext2_write __P((struct vop_write_args *));
Main code for the ext2fs filesystem. Please refer to the COPYRIGHT.INFO file for GPL restrictions. This code was ported to the BSD platform by Godmar Back <gback@facility.cs.utah.edu> and specifically to FreeBSD by John Dyson. This code is still green and should be used with caution. Additional changes to UFS necessary to make this code work will be commited seperately. Submitted by: Godmar Back <gback@facility.cs.utah.edu> Obtained from: Lites/Mach4
1995-11-05 23:25:12 +00:00
/* Global vfs data structures for ufs. */
Introduced a type `vop_t' for vnode operation functions and used it 1138 times (:-() in casts and a few more times in declarations. This change is null for the i386. The type has to be `typedef int vop_t(void *)' and not `typedef int vop_t()' because `gcc -Wstrict-prototypes' warns about the latter. Since vnode op functions are called with args of different (struct pointer) types, neither of these function types is any use for type checking of the arg, so it would be preferable not to use the complete function type, especially since using the complete type requires adding 1138 casts to avoid compiler warnings and another 40+ casts to reverse the function pointer conversions before calling the functions.
1995-11-09 08:17:23 +00:00
vop_t **ext2_vnodeop_p;
Staticize.
1995-12-17 21:14:36 +00:00
static struct vnodeopv_entry_desc ext2_vnodeop_entries[] = {
Introduced a type `vop_t' for vnode operation functions and used it 1138 times (:-() in casts and a few more times in declarations. This change is null for the i386. The type has to be `typedef int vop_t(void *)' and not `typedef int vop_t()' because `gcc -Wstrict-prototypes' warns about the latter. Since vnode op functions are called with args of different (struct pointer) types, neither of these function types is any use for type checking of the arg, so it would be preferable not to use the complete function type, especially since using the complete type requires adding 1138 casts to avoid compiler warnings and another 40+ casts to reverse the function pointer conversions before calling the functions.
1995-11-09 08:17:23 +00:00
{ &vop_default_desc, (vop_t *)vn_default_error },
Uncut&paste cache_lookup(). This unifies several times in theory indentical 50 lines of code. The filesystems have a new method: vop_cachedlookup, which is the meat of the lookup, and use vfs_cache_lookup() for their vop_lookup method. vfs_cache_lookup() will check the namecache and pass on to the vop_cachedlookup method in case of a miss. It's still the task of the individual filesystems to populate the namecache with cache_enter(). Filesystems that do not use the namecache will just provide the vop_lookup method as usual.
1997-08-26 07:32:51 +00:00
{ &vop_lookup_desc, (vop_t *)vfs_cache_lookup }, /* lookup */
{ &vop_cachedlookup_desc, (vop_t *)ext2_lookup }, /* lookup */
Introduced a type `vop_t' for vnode operation functions and used it 1138 times (:-() in casts and a few more times in declarations. This change is null for the i386. The type has to be `typedef int vop_t(void *)' and not `typedef int vop_t()' because `gcc -Wstrict-prototypes' warns about the latter. Since vnode op functions are called with args of different (struct pointer) types, neither of these function types is any use for type checking of the arg, so it would be preferable not to use the complete function type, especially since using the complete type requires adding 1138 casts to avoid compiler warnings and another 40+ casts to reverse the function pointer conversions before calling the functions.
1995-11-09 08:17:23 +00:00
{ &vop_create_desc, (vop_t *)ufs_create }, /* create */
{ &vop_mknod_desc, (vop_t *)ufs_mknod }, /* mknod */
{ &vop_open_desc, (vop_t *)ufs_open }, /* open */
{ &vop_close_desc, (vop_t *)ufs_close }, /* close */
{ &vop_access_desc, (vop_t *)ufs_access }, /* access */
{ &vop_getattr_desc, (vop_t *)ufs_getattr }, /* getattr */
{ &vop_setattr_desc, (vop_t *)ufs_setattr }, /* setattr */
{ &vop_read_desc, (vop_t *)ext2_read }, /* read */
{ &vop_write_desc, (vop_t *)ext2_write }, /* write */
{ &vop_ioctl_desc, (vop_t *)ufs_ioctl }, /* ioctl */
Convert select -> poll. Delete 'always succeed' select/poll handlers, replaced with generic call. Flag missing vnode op table entries.
1997-09-14 02:58:12 +00:00
{ &vop_poll_desc, (vop_t *)ufs_poll }, /* poll */
Introduced a type `vop_t' for vnode operation functions and used it 1138 times (:-() in casts and a few more times in declarations. This change is null for the i386. The type has to be `typedef int vop_t(void *)' and not `typedef int vop_t()' because `gcc -Wstrict-prototypes' warns about the latter. Since vnode op functions are called with args of different (struct pointer) types, neither of these function types is any use for type checking of the arg, so it would be preferable not to use the complete function type, especially since using the complete type requires adding 1138 casts to avoid compiler warnings and another 40+ casts to reverse the function pointer conversions before calling the functions.
1995-11-09 08:17:23 +00:00
{ &vop_mmap_desc, (vop_t *)ufs_mmap }, /* mmap */
{ &vop_fsync_desc, (vop_t *)ext2_fsync }, /* fsync */
{ &vop_seek_desc, (vop_t *)ufs_seek }, /* seek */
{ &vop_remove_desc, (vop_t *)ufs_remove }, /* remove */
{ &vop_link_desc, (vop_t *)ufs_link }, /* link */
{ &vop_rename_desc, (vop_t *)ufs_rename }, /* rename */
{ &vop_mkdir_desc, (vop_t *)ufs_mkdir }, /* mkdir */
{ &vop_rmdir_desc, (vop_t *)ufs_rmdir }, /* rmdir */
{ &vop_symlink_desc, (vop_t *)ufs_symlink }, /* symlink */
{ &vop_readdir_desc, (vop_t *)ext2_readdir }, /* readdir */
{ &vop_readlink_desc, (vop_t *)ufs_readlink }, /* readlink */
{ &vop_abortop_desc, (vop_t *)ufs_abortop }, /* abortop */
{ &vop_inactive_desc, (vop_t *)ext2_inactive }, /* inactive */
Mega commit to cleanup the "remaining nits" after my malloc change. Introduce a M_EXT2NODE for ext2fs vnodes. Use generic ufs_reclaim instead of hijacking ffs_reclaim.
1997-10-10 18:13:06 +00:00
{ &vop_reclaim_desc, (vop_t *)ufs_reclaim }, /* reclaim */
Introduced a type `vop_t' for vnode operation functions and used it 1138 times (:-() in casts and a few more times in declarations. This change is null for the i386. The type has to be `typedef int vop_t(void *)' and not `typedef int vop_t()' because `gcc -Wstrict-prototypes' warns about the latter. Since vnode op functions are called with args of different (struct pointer) types, neither of these function types is any use for type checking of the arg, so it would be preferable not to use the complete function type, especially since using the complete type requires adding 1138 casts to avoid compiler warnings and another 40+ casts to reverse the function pointer conversions before calling the functions.
1995-11-09 08:17:23 +00:00
{ &vop_lock_desc, (vop_t *)ufs_lock }, /* lock */
{ &vop_unlock_desc, (vop_t *)ufs_unlock }, /* unlock */
{ &vop_bmap_desc, (vop_t *)ufs_bmap }, /* bmap */
{ &vop_strategy_desc, (vop_t *)ufs_strategy }, /* strategy */
{ &vop_print_desc, (vop_t *)ufs_print }, /* print */
{ &vop_islocked_desc, (vop_t *)ufs_islocked }, /* islocked */
{ &vop_pathconf_desc, (vop_t *)ufs_pathconf }, /* pathconf */
{ &vop_advlock_desc, (vop_t *)ufs_advlock }, /* advlock */
{ &vop_blkatoff_desc, (vop_t *)ext2_blkatoff }, /* blkatoff */
{ &vop_valloc_desc, (vop_t *)ext2_valloc }, /* valloc */
{ &vop_reallocblks_desc, (vop_t *)ext2_reallocblks }, /* reallocblks */
{ &vop_vfree_desc, (vop_t *)ext2_vfree }, /* vfree */
{ &vop_truncate_desc, (vop_t *)ext2_truncate }, /* truncate */
{ &vop_update_desc, (vop_t *)ext2_update }, /* update */
{ &vop_bwrite_desc, (vop_t *)vn_bwrite }, /* bwrite */
{ NULL, NULL }
Main code for the ext2fs filesystem. Please refer to the COPYRIGHT.INFO file for GPL restrictions. This code was ported to the BSD platform by Godmar Back <gback@facility.cs.utah.edu> and specifically to FreeBSD by John Dyson. This code is still green and should be used with caution. Additional changes to UFS necessary to make this code work will be commited seperately. Submitted by: Godmar Back <gback@facility.cs.utah.edu> Obtained from: Lites/Mach4
1995-11-05 23:25:12 +00:00
};
Staticize.
1995-12-17 21:14:36 +00:00
static struct vnodeopv_desc ext2fs_vnodeop_opv_desc =
Main code for the ext2fs filesystem. Please refer to the COPYRIGHT.INFO file for GPL restrictions. This code was ported to the BSD platform by Godmar Back <gback@facility.cs.utah.edu> and specifically to FreeBSD by John Dyson. This code is still green and should be used with caution. Additional changes to UFS necessary to make this code work will be commited seperately. Submitted by: Godmar Back <gback@facility.cs.utah.edu> Obtained from: Lites/Mach4
1995-11-05 23:25:12 +00:00
{ &ext2_vnodeop_p, ext2_vnodeop_entries };
Introduced a type `vop_t' for vnode operation functions and used it 1138 times (:-() in casts and a few more times in declarations. This change is null for the i386. The type has to be `typedef int vop_t(void *)' and not `typedef int vop_t()' because `gcc -Wstrict-prototypes' warns about the latter. Since vnode op functions are called with args of different (struct pointer) types, neither of these function types is any use for type checking of the arg, so it would be preferable not to use the complete function type, especially since using the complete type requires adding 1138 casts to avoid compiler warnings and another 40+ casts to reverse the function pointer conversions before calling the functions.
1995-11-09 08:17:23 +00:00
vop_t **ext2_specop_p;
Staticize.
1995-12-17 21:14:36 +00:00
static struct vnodeopv_entry_desc ext2_specop_entries[] = {
Introduced a type `vop_t' for vnode operation functions and used it 1138 times (:-() in casts and a few more times in declarations. This change is null for the i386. The type has to be `typedef int vop_t(void *)' and not `typedef int vop_t()' because `gcc -Wstrict-prototypes' warns about the latter. Since vnode op functions are called with args of different (struct pointer) types, neither of these function types is any use for type checking of the arg, so it would be preferable not to use the complete function type, especially since using the complete type requires adding 1138 casts to avoid compiler warnings and another 40+ casts to reverse the function pointer conversions before calling the functions.
1995-11-09 08:17:23 +00:00
{ &vop_default_desc, (vop_t *)vn_default_error },
{ &vop_lookup_desc, (vop_t *)spec_lookup }, /* lookup */
Convert select -> poll. Delete 'always succeed' select/poll handlers, replaced with generic call. Flag missing vnode op table entries.
1997-09-14 02:58:12 +00:00
/* XXX: vop_cachedlookup */
Introduced a type `vop_t' for vnode operation functions and used it 1138 times (:-() in casts and a few more times in declarations. This change is null for the i386. The type has to be `typedef int vop_t(void *)' and not `typedef int vop_t()' because `gcc -Wstrict-prototypes' warns about the latter. Since vnode op functions are called with args of different (struct pointer) types, neither of these function types is any use for type checking of the arg, so it would be preferable not to use the complete function type, especially since using the complete type requires adding 1138 casts to avoid compiler warnings and another 40+ casts to reverse the function pointer conversions before calling the functions.
1995-11-09 08:17:23 +00:00
{ &vop_create_desc, (vop_t *)spec_create }, /* create */
{ &vop_mknod_desc, (vop_t *)spec_mknod }, /* mknod */
{ &vop_open_desc, (vop_t *)spec_open }, /* open */
{ &vop_close_desc, (vop_t *)ufsspec_close }, /* close */
{ &vop_access_desc, (vop_t *)ufs_access }, /* access */
{ &vop_getattr_desc, (vop_t *)ufs_getattr }, /* getattr */
{ &vop_setattr_desc, (vop_t *)ufs_setattr }, /* setattr */
{ &vop_read_desc, (vop_t *)ufsspec_read }, /* read */
{ &vop_write_desc, (vop_t *)ufsspec_write }, /* write */
{ &vop_ioctl_desc, (vop_t *)spec_ioctl }, /* ioctl */
Convert select -> poll. Delete 'always succeed' select/poll handlers, replaced with generic call. Flag missing vnode op table entries.
1997-09-14 02:58:12 +00:00
{ &vop_poll_desc, (vop_t *)spec_poll }, /* poll */
Introduced a type `vop_t' for vnode operation functions and used it 1138 times (:-() in casts and a few more times in declarations. This change is null for the i386. The type has to be `typedef int vop_t(void *)' and not `typedef int vop_t()' because `gcc -Wstrict-prototypes' warns about the latter. Since vnode op functions are called with args of different (struct pointer) types, neither of these function types is any use for type checking of the arg, so it would be preferable not to use the complete function type, especially since using the complete type requires adding 1138 casts to avoid compiler warnings and another 40+ casts to reverse the function pointer conversions before calling the functions.
1995-11-09 08:17:23 +00:00
{ &vop_mmap_desc, (vop_t *)spec_mmap }, /* mmap */
{ &vop_fsync_desc, (vop_t *)ext2_fsync }, /* fsync */
{ &vop_seek_desc, (vop_t *)spec_seek }, /* seek */
{ &vop_remove_desc, (vop_t *)spec_remove }, /* remove */
{ &vop_link_desc, (vop_t *)spec_link }, /* link */
{ &vop_rename_desc, (vop_t *)spec_rename }, /* rename */
{ &vop_mkdir_desc, (vop_t *)spec_mkdir }, /* mkdir */
{ &vop_rmdir_desc, (vop_t *)spec_rmdir }, /* rmdir */
{ &vop_symlink_desc, (vop_t *)spec_symlink }, /* symlink */
{ &vop_readdir_desc, (vop_t *)spec_readdir }, /* readdir */
{ &vop_readlink_desc, (vop_t *)spec_readlink }, /* readlink */
{ &vop_abortop_desc, (vop_t *)spec_abortop }, /* abortop */
{ &vop_inactive_desc, (vop_t *)ext2_inactive }, /* inactive */
Mega commit to cleanup the "remaining nits" after my malloc change. Introduce a M_EXT2NODE for ext2fs vnodes. Use generic ufs_reclaim instead of hijacking ffs_reclaim.
1997-10-10 18:13:06 +00:00
{ &vop_reclaim_desc, (vop_t *)ufs_reclaim }, /* reclaim */
Introduced a type `vop_t' for vnode operation functions and used it 1138 times (:-() in casts and a few more times in declarations. This change is null for the i386. The type has to be `typedef int vop_t(void *)' and not `typedef int vop_t()' because `gcc -Wstrict-prototypes' warns about the latter. Since vnode op functions are called with args of different (struct pointer) types, neither of these function types is any use for type checking of the arg, so it would be preferable not to use the complete function type, especially since using the complete type requires adding 1138 casts to avoid compiler warnings and another 40+ casts to reverse the function pointer conversions before calling the functions.
1995-11-09 08:17:23 +00:00
{ &vop_lock_desc, (vop_t *)ufs_lock }, /* lock */
{ &vop_unlock_desc, (vop_t *)ufs_unlock }, /* unlock */
{ &vop_bmap_desc, (vop_t *)spec_bmap }, /* bmap */
{ &vop_strategy_desc, (vop_t *)spec_strategy }, /* strategy */
{ &vop_print_desc, (vop_t *)ufs_print }, /* print */
{ &vop_islocked_desc, (vop_t *)ufs_islocked }, /* islocked */
{ &vop_pathconf_desc, (vop_t *)spec_pathconf }, /* pathconf */
{ &vop_advlock_desc, (vop_t *)spec_advlock }, /* advlock */
{ &vop_blkatoff_desc, (vop_t *)spec_blkatoff }, /* blkatoff */
{ &vop_valloc_desc, (vop_t *)spec_valloc }, /* valloc */
{ &vop_reallocblks_desc, (vop_t *)spec_reallocblks }, /* reallocblks */
{ &vop_vfree_desc, (vop_t *)ext2_vfree }, /* vfree */
{ &vop_truncate_desc, (vop_t *)spec_truncate }, /* truncate */
{ &vop_update_desc, (vop_t *)ext2_update }, /* update */
{ &vop_bwrite_desc, (vop_t *)vn_bwrite }, /* bwrite */
{ NULL, NULL }
Main code for the ext2fs filesystem. Please refer to the COPYRIGHT.INFO file for GPL restrictions. This code was ported to the BSD platform by Godmar Back <gback@facility.cs.utah.edu> and specifically to FreeBSD by John Dyson. This code is still green and should be used with caution. Additional changes to UFS necessary to make this code work will be commited seperately. Submitted by: Godmar Back <gback@facility.cs.utah.edu> Obtained from: Lites/Mach4
1995-11-05 23:25:12 +00:00
};
Staticize.
1995-12-17 21:14:36 +00:00
static struct vnodeopv_desc ext2fs_specop_opv_desc =
Main code for the ext2fs filesystem. Please refer to the COPYRIGHT.INFO file for GPL restrictions. This code was ported to the BSD platform by Godmar Back <gback@facility.cs.utah.edu> and specifically to FreeBSD by John Dyson. This code is still green and should be used with caution. Additional changes to UFS necessary to make this code work will be commited seperately. Submitted by: Godmar Back <gback@facility.cs.utah.edu> Obtained from: Lites/Mach4
1995-11-05 23:25:12 +00:00
{ &ext2_specop_p, ext2_specop_entries };
Introduced a type `vop_t' for vnode operation functions and used it 1138 times (:-() in casts and a few more times in declarations. This change is null for the i386. The type has to be `typedef int vop_t(void *)' and not `typedef int vop_t()' because `gcc -Wstrict-prototypes' warns about the latter. Since vnode op functions are called with args of different (struct pointer) types, neither of these function types is any use for type checking of the arg, so it would be preferable not to use the complete function type, especially since using the complete type requires adding 1138 casts to avoid compiler warnings and another 40+ casts to reverse the function pointer conversions before calling the functions.
1995-11-09 08:17:23 +00:00
vop_t **ext2_fifoop_p;
Staticize.
1995-12-17 21:14:36 +00:00
static struct vnodeopv_entry_desc ext2_fifoop_entries[] = {
Introduced a type `vop_t' for vnode operation functions and used it 1138 times (:-() in casts and a few more times in declarations. This change is null for the i386. The type has to be `typedef int vop_t(void *)' and not `typedef int vop_t()' because `gcc -Wstrict-prototypes' warns about the latter. Since vnode op functions are called with args of different (struct pointer) types, neither of these function types is any use for type checking of the arg, so it would be preferable not to use the complete function type, especially since using the complete type requires adding 1138 casts to avoid compiler warnings and another 40+ casts to reverse the function pointer conversions before calling the functions.
1995-11-09 08:17:23 +00:00
{ &vop_default_desc, (vop_t *)vn_default_error },
{ &vop_lookup_desc, (vop_t *)fifo_lookup }, /* lookup */
Convert select -> poll. Delete 'always succeed' select/poll handlers, replaced with generic call. Flag missing vnode op table entries.
1997-09-14 02:58:12 +00:00
/* XXX: vop_cachedlookup */
Introduced a type `vop_t' for vnode operation functions and used it 1138 times (:-() in casts and a few more times in declarations. This change is null for the i386. The type has to be `typedef int vop_t(void *)' and not `typedef int vop_t()' because `gcc -Wstrict-prototypes' warns about the latter. Since vnode op functions are called with args of different (struct pointer) types, neither of these function types is any use for type checking of the arg, so it would be preferable not to use the complete function type, especially since using the complete type requires adding 1138 casts to avoid compiler warnings and another 40+ casts to reverse the function pointer conversions before calling the functions.
1995-11-09 08:17:23 +00:00
{ &vop_create_desc, (vop_t *)fifo_create }, /* create */
{ &vop_mknod_desc, (vop_t *)fifo_mknod }, /* mknod */
{ &vop_open_desc, (vop_t *)fifo_open }, /* open */
{ &vop_close_desc, (vop_t *)ufsfifo_close }, /* close */
{ &vop_access_desc, (vop_t *)ufs_access }, /* access */
{ &vop_getattr_desc, (vop_t *)ufs_getattr }, /* getattr */
{ &vop_setattr_desc, (vop_t *)ufs_setattr }, /* setattr */
{ &vop_read_desc, (vop_t *)ufsfifo_read }, /* read */
{ &vop_write_desc, (vop_t *)ufsfifo_write }, /* write */
{ &vop_ioctl_desc, (vop_t *)fifo_ioctl }, /* ioctl */
Convert select -> poll. Delete 'always succeed' select/poll handlers, replaced with generic call. Flag missing vnode op table entries.
1997-09-14 02:58:12 +00:00
{ &vop_poll_desc, (vop_t *)fifo_poll }, /* poll */
Introduced a type `vop_t' for vnode operation functions and used it 1138 times (:-() in casts and a few more times in declarations. This change is null for the i386. The type has to be `typedef int vop_t(void *)' and not `typedef int vop_t()' because `gcc -Wstrict-prototypes' warns about the latter. Since vnode op functions are called with args of different (struct pointer) types, neither of these function types is any use for type checking of the arg, so it would be preferable not to use the complete function type, especially since using the complete type requires adding 1138 casts to avoid compiler warnings and another 40+ casts to reverse the function pointer conversions before calling the functions.
1995-11-09 08:17:23 +00:00
{ &vop_mmap_desc, (vop_t *)fifo_mmap }, /* mmap */
{ &vop_fsync_desc, (vop_t *)ext2_fsync }, /* fsync */
{ &vop_seek_desc, (vop_t *)fifo_seek }, /* seek */
{ &vop_remove_desc, (vop_t *)fifo_remove }, /* remove */
{ &vop_link_desc, (vop_t *)fifo_link }, /* link */
{ &vop_rename_desc, (vop_t *)fifo_rename }, /* rename */
{ &vop_mkdir_desc, (vop_t *)fifo_mkdir }, /* mkdir */
{ &vop_rmdir_desc, (vop_t *)fifo_rmdir }, /* rmdir */
{ &vop_symlink_desc, (vop_t *)fifo_symlink }, /* symlink */
{ &vop_readdir_desc, (vop_t *)fifo_readdir }, /* readdir */
{ &vop_readlink_desc, (vop_t *)fifo_readlink }, /* readlink */
{ &vop_abortop_desc, (vop_t *)fifo_abortop }, /* abortop */
{ &vop_inactive_desc, (vop_t *)ext2_inactive }, /* inactive */
Mega commit to cleanup the "remaining nits" after my malloc change. Introduce a M_EXT2NODE for ext2fs vnodes. Use generic ufs_reclaim instead of hijacking ffs_reclaim.
1997-10-10 18:13:06 +00:00
{ &vop_reclaim_desc, (vop_t *)ufs_reclaim }, /* reclaim */
Introduced a type `vop_t' for vnode operation functions and used it 1138 times (:-() in casts and a few more times in declarations. This change is null for the i386. The type has to be `typedef int vop_t(void *)' and not `typedef int vop_t()' because `gcc -Wstrict-prototypes' warns about the latter. Since vnode op functions are called with args of different (struct pointer) types, neither of these function types is any use for type checking of the arg, so it would be preferable not to use the complete function type, especially since using the complete type requires adding 1138 casts to avoid compiler warnings and another 40+ casts to reverse the function pointer conversions before calling the functions.
1995-11-09 08:17:23 +00:00
{ &vop_lock_desc, (vop_t *)ufs_lock }, /* lock */
{ &vop_unlock_desc, (vop_t *)ufs_unlock }, /* unlock */
{ &vop_bmap_desc, (vop_t *)fifo_bmap }, /* bmap */
{ &vop_strategy_desc, (vop_t *)fifo_strategy }, /* strategy */
{ &vop_print_desc, (vop_t *)ufs_print }, /* print */
{ &vop_islocked_desc, (vop_t *)ufs_islocked }, /* islocked */
{ &vop_pathconf_desc, (vop_t *)fifo_pathconf }, /* pathconf */
{ &vop_advlock_desc, (vop_t *)fifo_advlock }, /* advlock */
{ &vop_blkatoff_desc, (vop_t *)fifo_blkatoff }, /* blkatoff */
{ &vop_valloc_desc, (vop_t *)fifo_valloc }, /* valloc */
{ &vop_reallocblks_desc, (vop_t *)fifo_reallocblks }, /* reallocblks */
{ &vop_vfree_desc, (vop_t *)ext2_vfree }, /* vfree */
{ &vop_truncate_desc, (vop_t *)fifo_truncate }, /* truncate */
{ &vop_update_desc, (vop_t *)ext2_update }, /* update */
{ &vop_bwrite_desc, (vop_t *)vn_bwrite }, /* bwrite */
{ NULL, NULL }
Main code for the ext2fs filesystem. Please refer to the COPYRIGHT.INFO file for GPL restrictions. This code was ported to the BSD platform by Godmar Back <gback@facility.cs.utah.edu> and specifically to FreeBSD by John Dyson. This code is still green and should be used with caution. Additional changes to UFS necessary to make this code work will be commited seperately. Submitted by: Godmar Back <gback@facility.cs.utah.edu> Obtained from: Lites/Mach4
1995-11-05 23:25:12 +00:00
};
Staticize.
1995-12-17 21:14:36 +00:00
static struct vnodeopv_desc ext2fs_fifoop_opv_desc =
Main code for the ext2fs filesystem. Please refer to the COPYRIGHT.INFO file for GPL restrictions. This code was ported to the BSD platform by Godmar Back <gback@facility.cs.utah.edu> and specifically to FreeBSD by John Dyson. This code is still green and should be used with caution. Additional changes to UFS necessary to make this code work will be commited seperately. Submitted by: Godmar Back <gback@facility.cs.utah.edu> Obtained from: Lites/Mach4
1995-11-05 23:25:12 +00:00
{ &ext2_fifoop_p, ext2_fifoop_entries };
#if defined(__FreeBSD__)
VNODEOP_SET(ext2fs_vnodeop_opv_desc);
VNODEOP_SET(ext2fs_specop_opv_desc);
VNODEOP_SET(ext2fs_fifoop_opv_desc);
#endif
#include <gnu/ext2fs/ext2_readwrite.c>
/*
* Synch an open file.
*/
/* ARGSUSED */
Staticize.
1995-12-17 21:14:36 +00:00
static int
Main code for the ext2fs filesystem. Please refer to the COPYRIGHT.INFO file for GPL restrictions. This code was ported to the BSD platform by Godmar Back <gback@facility.cs.utah.edu> and specifically to FreeBSD by John Dyson. This code is still green and should be used with caution. Additional changes to UFS necessary to make this code work will be commited seperately. Submitted by: Godmar Back <gback@facility.cs.utah.edu> Obtained from: Lites/Mach4
1995-11-05 23:25:12 +00:00
ext2_fsync(ap)
struct vop_fsync_args /* {
struct vnode *a_vp;
struct ucred *a_cred;
int a_waitfor;
struct proc *a_p;
} */ *ap;
{
register struct vnode *vp = ap->a_vp;
register struct buf *bp;
struct timeval tv;
struct buf *nbp;
int s;
/*
* Clean memory object.
* XXX add this to all file systems.
* XXX why is all this fs specific?
*/
#if !defined(__FreeBSD__)
vn_pager_sync(vp, ap->a_waitfor);
#endif
/*
* Flush all dirty buffers associated with a vnode.
*/
ext2_discard_prealloc(VTOI(vp));
loop:
s = splbio();
for (bp = vp->v_dirtyblkhd.lh_first; bp; bp = nbp) {
nbp = bp->b_vnbufs.le_next;
if ((bp->b_flags & B_BUSY))
continue;
if ((bp->b_flags & B_DELWRI) == 0)
panic("ext2_fsync: not dirty");
bremfree(bp);
bp->b_flags |= B_BUSY;
splx(s);
/*
* Wait for I/O associated with indirect blocks to complete,
* since there is no way to quickly wait for them below.
*/
if (bp->b_vp == vp || ap->a_waitfor == MNT_NOWAIT)
(void) bawrite(bp);
else
(void) bwrite(bp);
goto loop;
}
if (ap->a_waitfor == MNT_WAIT) {
while (vp->v_numoutput) {
vp->v_flag |= VBWAIT;
#if !defined(__FreeBSD__)
sleep((caddr_t)&vp->v_numoutput, PRIBIO + 1);
#else
tsleep((caddr_t)&vp->v_numoutput, PRIBIO + 1, "extfsn", 0);
#endif
}
#if DIAGNOSTIC
if (vp->v_dirtyblkhd.lh_first) {
vprint("ext2_fsync: dirty", vp);
goto loop;
}
#endif
}
splx(s);
Fixed some invalid (non-atomic) accesses to `time', mostly ones of the form `tv = time'. Use a new function gettime(). The current version just forces atomicicity without fixing precision or efficiency bugs. Simplified some related valid accesses by using the central function.
1997-03-22 06:53:45 +00:00
gettime(&tv);
Main code for the ext2fs filesystem. Please refer to the COPYRIGHT.INFO file for GPL restrictions. This code was ported to the BSD platform by Godmar Back <gback@facility.cs.utah.edu> and specifically to FreeBSD by John Dyson. This code is still green and should be used with caution. Additional changes to UFS necessary to make this code work will be commited seperately. Submitted by: Godmar Back <gback@facility.cs.utah.edu> Obtained from: Lites/Mach4
1995-11-05 23:25:12 +00:00
return (VOP_UPDATE(ap->a_vp, &tv, &tv, ap->a_waitfor == MNT_WAIT));
}
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