[PATCH] intermezzo fixes for 2.5.50

Peter Braam (braam@clusterfs.com)
Wed, 11 Dec 2002 12:21:05 -0700


--vkogqOf2sHV7VnPd
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Hello,

Please find attached relatively straightforward fixes for intermezzo
problems in 2.5.50. I think all of them related to:
- two missing headers
- use of timespec instead of time_t.

- Peter -

--vkogqOf2sHV7VnPd
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patches to be applied to specific kernels to get intermezzo working

fs/intermezzo/dir.c | 6
fs/intermezzo/file.c | 2
fs/intermezzo/journal.c | 12 +
fs/intermezzo/kml_reint.c | 42 +++--
fs/intermezzo/kml_unpack.c | 12 +
fs/intermezzo/presto.c | 6
fs/intermezzo/replicator.c | 3
fs/intermezzo/vfs.c | 4
include/linux/fsfilter.h | 134 ++++++++++++++++++
include/linux/intermezzo_fs.h | 2
include/linux/intermezzo_idl.h | 304 +++++++++++++++++++++++++++++++++++++++++
include/linux/intermezzo_lib.h | 168 ++++++++++++++++++++++
12 files changed, 663 insertions(+), 32 deletions(-)

--- linux-2.5.50/fs/intermezzo/dir.c~intermezzo Tue Dec 10 20:53:33 2002
+++ linux-2.5.50-root/fs/intermezzo/dir.c Tue Dec 10 20:53:33 2002
@@ -342,7 +342,7 @@ int presto_setattr(struct dentry *de, st
int error;
struct presto_cache *cache;
struct presto_file_set *fset;
- struct lento_vfs_context info = { 0, 0, 0 };
+ struct lento_vfs_context info = { 0, {0}, 0 };

ENTRY;

@@ -358,8 +358,8 @@ int presto_setattr(struct dentry *de, st
CDEBUG(D_INODE, "valid %#x, mode %#o, uid %u, gid %u, size %Lu, "
"atime %lu mtime %lu ctime %lu flags %d\n",
iattr->ia_valid, iattr->ia_mode, iattr->ia_uid, iattr->ia_gid,
- iattr->ia_size, iattr->ia_atime, iattr->ia_mtime,
- iattr->ia_ctime, iattr->ia_attr_flags);
+ iattr->ia_size, iattr->ia_atime.tv_sec, iattr->ia_mtime.tv_sec,
+ iattr->ia_ctime.tv_sec, iattr->ia_attr_flags);

if ( presto_get_permit(de->d_inode) < 0 ) {
EXIT;
--- linux-2.5.50/fs/intermezzo/file.c~intermezzo Tue Dec 10 20:53:33 2002
+++ linux-2.5.50-root/fs/intermezzo/file.c Tue Dec 10 20:53:33 2002
@@ -61,7 +61,7 @@ extern int presto_permission(struct inod

static int presto_open_upcall(int minor, struct dentry *de)
{
- int rc;
+ int rc = 0;
char *path, *buffer;
struct presto_file_set *fset;
int pathlen;
--- linux-2.5.50/fs/intermezzo/journal.c~intermezzo Tue Dec 10 20:53:33 2002
+++ linux-2.5.50-root/fs/intermezzo/journal.c Tue Dec 10 20:59:09 2002
@@ -363,8 +363,10 @@ static inline char *log_dentry_version(c

presto_getversion(&version, dentry->d_inode);

- version.pv_mtime = HTON__u64(version.pv_mtime);
- version.pv_ctime = HTON__u64(version.pv_ctime);
+ version.pv_mtime_sec = HTON__u32(version.pv_mtime_sec);
+ version.pv_ctime_sec = HTON__u32(version.pv_ctime_sec);
+ version.pv_mtime_nsec = HTON__u32(version.pv_mtime_nsec);
+ version.pv_ctime_nsec = HTON__u32(version.pv_ctime_nsec);
version.pv_size = HTON__u64(version.pv_size);

return logit(buf, &version, sizeof(version));
@@ -376,8 +378,10 @@ static inline char *log_version(char *bu

memcpy(&version, pv, sizeof(version));

- version.pv_mtime = HTON__u64(version.pv_mtime);
- version.pv_ctime = HTON__u64(version.pv_ctime);
+ version.pv_mtime_sec = HTON__u32(version.pv_mtime_sec);
+ version.pv_mtime_nsec = HTON__u32(version.pv_mtime_nsec);
+ version.pv_ctime_sec = HTON__u32(version.pv_ctime_sec);
+ version.pv_ctime_nsec = HTON__u32(version.pv_ctime_nsec);
version.pv_size = HTON__u64(version.pv_size);

return logit(buf, &version, sizeof(version));
--- linux-2.5.50/fs/intermezzo/kml_reint.c~intermezzo Tue Dec 10 20:53:33 2002
+++ linux-2.5.50-root/fs/intermezzo/kml_reint.c Tue Dec 10 21:08:12 2002
@@ -100,7 +100,8 @@ static inline int version_equal(struct p
return 0;
}

- if (inode->i_mtime == a->pv_mtime &&
+ if (inode->i_mtime.tv_sec == a->pv_mtime_sec &&
+ inode->i_mtime.tv_nsec == a->pv_mtime_nsec &&
(S_ISDIR(inode->i_mode) || inode->i_size == a->pv_size))
return 1;

@@ -126,8 +127,10 @@ static int reint_close(struct kml_rec *r
struct iattr iattr;

iattr.ia_valid = ATTR_CTIME | ATTR_MTIME | ATTR_SIZE;
- iattr.ia_mtime = (time_t)rec->new_objectv->pv_mtime;
- iattr.ia_ctime = (time_t)rec->new_objectv->pv_ctime;
+ iattr.ia_mtime.tv_sec = (time_t)rec->new_objectv->pv_mtime_sec;
+ iattr.ia_mtime.tv_nsec = (time_t)rec->new_objectv->pv_mtime_nsec;
+ iattr.ia_ctime.tv_sec = (time_t)rec->new_objectv->pv_ctime_sec;
+ iattr.ia_ctime.tv_nsec = (time_t)rec->new_objectv->pv_ctime_nsec;
iattr.ia_size = (time_t)rec->new_objectv->pv_size;

/* no kml record, but update last rcvd */
@@ -144,7 +147,8 @@ static int reint_close(struct kml_rec *r
} else {
int minor = presto_f2m(fset);

- info.updated_time = rec->new_objectv->pv_mtime;
+ info.updated_time.tv_sec = rec->new_objectv->pv_mtime_sec;
+ info.updated_time.tv_nsec = rec->new_objectv->pv_mtime_nsec;
memcpy(&info.remote_version, rec->old_objectv,
sizeof(*rec->old_objectv));
info.remote_ino = rec->ino;
@@ -180,7 +184,8 @@ static int reint_create(struct kml_rec *
int error; ENTRY;

CDEBUG (D_KML, "=====REINT_CREATE::%s\n", rec->path);
- info->updated_time = rec->new_objectv->pv_ctime;
+ info->updated_time.tv_sec = rec->new_objectv->pv_ctime_sec;
+ info->updated_time.tv_nsec = rec->new_objectv->pv_ctime_nsec;
kmlreint_pre_secure(rec, dir, &saved_ctxt);
error = lento_create(rec->path, rec->mode, info);
pop_ctxt(&saved_ctxt);
@@ -198,7 +203,8 @@ static int reint_link(struct kml_rec *re
ENTRY;

CDEBUG (D_KML, "=====REINT_LINK::%s -> %s\n", rec->path, rec->target);
- info->updated_time = rec->new_objectv->pv_mtime;
+ info->updated_time.tv_sec = rec->new_objectv->pv_mtime_sec;
+ info->updated_time.tv_nsec = rec->new_objectv->pv_mtime_nsec;
kmlreint_pre_secure(rec, dir, &saved_ctxt);
error = lento_link(rec->path, rec->target, info);
pop_ctxt(&saved_ctxt);
@@ -216,7 +222,8 @@ static int reint_mkdir(struct kml_rec *r
ENTRY;

CDEBUG (D_KML, "=====REINT_MKDIR::%s\n", rec->path);
- info->updated_time = rec->new_objectv->pv_ctime;
+ info->updated_time.tv_sec = rec->new_objectv->pv_ctime_sec;
+ info->updated_time.tv_nsec = rec->new_objectv->pv_ctime_nsec;
kmlreint_pre_secure(rec, dir, &saved_ctxt);
error = lento_mkdir(rec->path, rec->mode, info);
pop_ctxt(&saved_ctxt);
@@ -234,7 +241,8 @@ static int reint_mknod(struct kml_rec *r
ENTRY;

CDEBUG (D_KML, "=====REINT_MKNOD::%s\n", rec->path);
- info->updated_time = rec->new_objectv->pv_ctime;
+ info->updated_time.tv_sec = rec->new_objectv->pv_ctime_sec;
+ info->updated_time.tv_nsec = rec->new_objectv->pv_ctime_nsec;
kmlreint_pre_secure(rec, dir, &saved_ctxt);

dev = rec->rdev ?: MKDEV(rec->major, rec->minor);
@@ -262,7 +270,8 @@ static int reint_rename(struct kml_rec *
ENTRY;

CDEBUG (D_KML, "=====REINT_RENAME::%s -> %s\n", rec->path, rec->target);
- info->updated_time = rec->new_objectv->pv_mtime;
+ info->updated_time.tv_sec = rec->new_objectv->pv_mtime_sec;
+ info->updated_time.tv_nsec = rec->new_objectv->pv_mtime_nsec;
kmlreint_pre_secure(rec, dir, &saved_ctxt);
error = lento_rename(rec->path, rec->target, info);
pop_ctxt(&saved_ctxt);
@@ -287,7 +296,8 @@ static int reint_rmdir(struct kml_rec *r
}

CDEBUG (D_KML, "=====REINT_RMDIR::%s\n", path);
- info->updated_time = rec->new_parentv->pv_mtime;
+ info->updated_time.tv_sec = rec->new_parentv->pv_mtime_sec;
+ info->updated_time.tv_nsec = rec->new_parentv->pv_mtime_nsec;
kmlreint_pre_secure(rec, dir, &saved_ctxt);
error = lento_rmdir(path, info);
pop_ctxt(&saved_ctxt);
@@ -311,8 +321,10 @@ static int reint_setattr(struct kml_rec
iattr.ia_uid = (uid_t)rec->uid;
iattr.ia_gid = (gid_t)rec->gid;
iattr.ia_size = (off_t)rec->size;
- iattr.ia_ctime = (time_t)rec->ctime;
- iattr.ia_mtime = (time_t)rec->mtime;
+ iattr.ia_ctime.tv_sec = rec->ctime_sec;
+ iattr.ia_ctime.tv_nsec = rec->ctime_nsec;
+ iattr.ia_mtime.tv_sec = rec->mtime_sec;
+ iattr.ia_mtime.tv_nsec = rec->mtime_nsec;
iattr.ia_atime = iattr.ia_mtime; /* We don't track atimes. */
iattr.ia_attr_flags = rec->flags;

@@ -334,7 +346,8 @@ static int reint_symlink(struct kml_rec
ENTRY;

CDEBUG (D_KML, "=====REINT_SYMLINK::%s -> %s\n", rec->path, rec->target);
- info->updated_time = rec->new_objectv->pv_ctime;
+ info->updated_time.tv_sec = rec->new_objectv->pv_ctime_sec;
+ info->updated_time.tv_nsec = rec->new_objectv->pv_ctime_nsec;
kmlreint_pre_secure(rec, dir, &saved_ctxt);
error = lento_symlink(rec->target, rec->path, info);
pop_ctxt(&saved_ctxt);
@@ -359,7 +372,8 @@ static int reint_unlink(struct kml_rec *
}

CDEBUG (D_KML, "=====REINT_UNLINK::%s\n", path);
- info->updated_time = rec->new_parentv->pv_mtime;
+ info->updated_time.tv_sec = rec->new_parentv->pv_mtime_sec;
+ info->updated_time.tv_nsec = rec->new_parentv->pv_mtime_nsec;
kmlreint_pre_secure(rec, dir, &saved_ctxt);
error = lento_unlink(path, info);
pop_ctxt(&saved_ctxt);
--- linux-2.5.50/fs/intermezzo/kml_unpack.c~intermezzo Tue Dec 10 20:53:33 2002
+++ linux-2.5.50-root/fs/intermezzo/kml_unpack.c Tue Dec 10 21:12:16 2002
@@ -67,8 +67,10 @@ int kml_unpack_version(struct presto_ver

UNLOGP(*ver, struct presto_version, ptr, end);
pv = *ver;
- pv->pv_mtime = NTOH__u64(pv->pv_mtime);
- pv->pv_ctime = NTOH__u64(pv->pv_ctime);
+ pv->pv_mtime_sec = NTOH__u32(pv->pv_mtime_sec);
+ pv->pv_mtime_nsec = NTOH__u32(pv->pv_mtime_nsec);
+ pv->pv_ctime_sec = NTOH__u32(pv->pv_ctime_sec);
+ pv->pv_ctime_nsec = NTOH__u32(pv->pv_ctime_nsec);
pv->pv_size = NTOH__u64(pv->pv_size);

*buf = ptr;
@@ -247,8 +249,10 @@ static int kml_unpack_setattr(struct kml
LUNLOGV(rec->uid, __u32, ptr, end);
LUNLOGV(rec->gid, __u32, ptr, end);
LUNLOGV(rec->size, __u64, ptr, end);
- LUNLOGV(rec->mtime, __u64, ptr, end);
- LUNLOGV(rec->ctime, __u64, ptr, end);
+ LUNLOGV(rec->mtime_sec, __u32, ptr, end);
+ LUNLOGV(rec->mtime_nsec, __u32, ptr, end);
+ LUNLOGV(rec->ctime_sec, __u32, ptr, end);
+ LUNLOGV(rec->ctime_nsec, __u32, ptr, end);
LUNLOGV(rec->flags, __u32, ptr, end);
LUNLOGV(rec->old_mode, __u32, ptr, end);
LUNLOGV(rec->old_rdev, __u32, ptr, end);
--- linux-2.5.50/fs/intermezzo/presto.c~intermezzo Tue Dec 10 20:53:33 2002
+++ linux-2.5.50-root/fs/intermezzo/presto.c Tue Dec 10 21:13:20 2002
@@ -627,8 +627,10 @@ int presto_put_permit(struct inode * ino
void presto_getversion(struct presto_version * presto_version,
struct inode * inode)
{
- presto_version->pv_mtime = (__u64)inode->i_mtime;
- presto_version->pv_ctime = (__u64)inode->i_ctime;
+ presto_version->pv_mtime_sec = inode->i_mtime.tv_sec;
+ presto_version->pv_mtime_nsec = inode->i_mtime.tv_nsec;
+ presto_version->pv_ctime_sec = inode->i_ctime.tv_sec;
+ presto_version->pv_ctime_nsec = inode->i_ctime.tv_nsec;
presto_version->pv_size = (__u64)inode->i_size;
}

--- linux-2.5.50/fs/intermezzo/replicator.c~intermezzo Tue Dec 10 20:53:33 2002
+++ linux-2.5.50-root/fs/intermezzo/replicator.c Tue Dec 10 21:15:33 2002
@@ -29,7 +29,8 @@
#include <asm/uaccess.h>

#include <linux/errno.h>
-
+#include <linux/fs.h>
+#include <linux/fsfilter.h>
#include <linux/intermezzo_fs.h>

/*
--- linux-2.5.50/fs/intermezzo/vfs.c~intermezzo Tue Dec 10 20:53:33 2002
+++ linux-2.5.50-root/fs/intermezzo/vfs.c Tue Dec 10 21:17:06 2002
@@ -186,7 +186,7 @@ inline void presto_debug_fail_blkdev(str

if (errorval && errorval == (long)value && !is_read_only(dev)) {
CDEBUG(D_SUPER, "setting device %s read only\n", kdevname(dev));
- BLKDEV_FAIL(dev, 1);
+ BLKDEV_FAIL(kdev_val(dev), 1);
izo_channels[minor].uc_errorval = -kdev_val(dev);
}
}
@@ -475,7 +475,7 @@ int lento_setattr(const char *name, stru
name, iattr->ia_valid, iattr->ia_mode, iattr->ia_uid,
iattr->ia_gid, iattr->ia_size);
CDEBUG(D_PIOCTL, "atime %#lx, mtime %#lx, ctime %#lx, attr_flags %#x\n",
- iattr->ia_atime, iattr->ia_mtime.tv_sec, iattr->ia_ctime.tv_sec,
+ iattr->ia_atime.tv_sec, iattr->ia_mtime.tv_sec, iattr->ia_ctime.tv_sec,
iattr->ia_attr_flags);
CDEBUG(D_PIOCTL, "offset %d, recno %d, flags %#x\n",
info->slot_offset, info->recno, info->flags);
--- /dev/null Fri Aug 30 17:31:37 2002
+++ linux-2.5.50-root/include/linux/fsfilter.h Wed Nov 27 15:35:47 2002
@@ -0,0 +1,134 @@
+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=8:tabstop=8:
+ */
+
+#ifndef __FILTER_H_
+#define __FILTER_H_ 1
+
+#ifdef __KERNEL__
+
+/* cachetype.c */
+
+/*
+ * it is important that things like inode, super and file operations
+ * for intermezzo are not defined statically. If methods are NULL
+ * the VFS takes special action based on that. Given that different
+ * cache types have NULL ops at different slots, we must install opeation
+ * talbes for InterMezzo with NULL's in the same spot
+ */
+
+struct filter_ops {
+ struct super_operations filter_sops;
+
+ struct inode_operations filter_dir_iops;
+ struct inode_operations filter_file_iops;
+ struct inode_operations filter_sym_iops;
+
+ struct file_operations filter_dir_fops;
+ struct file_operations filter_file_fops;
+ struct file_operations filter_sym_fops;
+
+ struct dentry_operations filter_dentry_ops;
+};
+
+struct cache_ops {
+ /* operations on the file store */
+ struct super_operations *cache_sops;
+
+ struct inode_operations *cache_dir_iops;
+ struct inode_operations *cache_file_iops;
+ struct inode_operations *cache_sym_iops;
+
+ struct file_operations *cache_dir_fops;
+ struct file_operations *cache_file_fops;
+ struct file_operations *cache_sym_fops;
+
+ struct dentry_operations *cache_dentry_ops;
+};
+
+
+#define FILTER_DID_SUPER_OPS 0x1
+#define FILTER_DID_INODE_OPS 0x2
+#define FILTER_DID_FILE_OPS 0x4
+#define FILTER_DID_DENTRY_OPS 0x8
+#define FILTER_DID_DEV_OPS 0x10
+#define FILTER_DID_SYMLINK_OPS 0x20
+#define FILTER_DID_DIR_OPS 0x40
+
+struct filter_fs {
+ int o_flags;
+ struct filter_ops o_fops;
+ struct cache_ops o_caops;
+ struct journal_ops *o_trops;
+ struct snapshot_ops *o_snops;
+};
+
+#define FILTER_FS_TYPES 6
+#define FILTER_FS_EXT2 0
+#define FILTER_FS_EXT3 1
+#define FILTER_FS_REISERFS 2
+#define FILTER_FS_XFS 3
+#define FILTER_FS_OBDFS 4
+#define FILTER_FS_TMPFS 5
+extern struct filter_fs filter_oppar[FILTER_FS_TYPES];
+
+struct filter_fs *filter_get_filter_fs(const char *cache_type);
+void filter_setup_journal_ops(struct filter_fs *ops, char *cache_type);
+inline struct super_operations *filter_c2usops(struct filter_fs *cache);
+inline struct inode_operations *filter_c2ufiops(struct filter_fs *cache);
+inline struct inode_operations *filter_c2udiops(struct filter_fs *cache);
+inline struct inode_operations *filter_c2usiops(struct filter_fs *cache);
+inline struct file_operations *filter_c2uffops(struct filter_fs *cache);
+inline struct file_operations *filter_c2udfops(struct filter_fs *cache);
+inline struct file_operations *filter_c2usfops(struct filter_fs *cache);
+inline struct super_operations *filter_c2csops(struct filter_fs *cache);
+inline struct inode_operations *filter_c2cfiops(struct filter_fs *cache);
+inline struct inode_operations *filter_c2cdiops(struct filter_fs *cache);
+inline struct inode_operations *filter_c2csiops(struct filter_fs *cache);
+inline struct file_operations *filter_c2cffops(struct filter_fs *cache);
+inline struct file_operations *filter_c2cdfops(struct filter_fs *cache);
+inline struct file_operations *filter_c2csfops(struct filter_fs *cache);
+inline struct dentry_operations *filter_c2cdops(struct filter_fs *cache);
+inline struct dentry_operations *filter_c2udops(struct filter_fs *cache);
+
+void filter_setup_super_ops(struct filter_fs *cache, struct super_operations *cache_ops, struct super_operations *filter_sops);
+void filter_setup_dir_ops(struct filter_fs *cache, struct inode *cache_inode, struct inode_operations *filter_iops, struct file_operations *ffops);
+void filter_setup_file_ops(struct filter_fs *cache, struct inode *cache_inode, struct inode_operations *filter_iops, struct file_operations *filter_op);
+void filter_setup_symlink_ops(struct filter_fs *cache, struct inode *cache_inode, struct inode_operations *filter_iops, struct file_operations *filter_op);
+void filter_setup_dentry_ops(struct filter_fs *cache, struct dentry_operations *cache_dop, struct dentry_operations *filter_dop);
+
+
+#define PRESTO_DEBUG
+#ifdef PRESTO_DEBUG
+/* debugging masks */
+#define D_SUPER 1
+#define D_INODE 2 /* print entry and exit into procedure */
+#define D_FILE 4
+#define D_CACHE 8 /* cache debugging */
+#define D_MALLOC 16 /* print malloc, de-alloc information */
+#define D_JOURNAL 32
+#define D_UPCALL 64 /* up and downcall debugging */
+#define D_PSDEV 128
+#define D_PIOCTL 256
+#define D_SPECIAL 512
+#define D_TIMING 1024
+#define D_DOWNCALL 2048
+
+#define FDEBUG(mask, format, a...) \
+ do { \
+ if (filter_debug & mask) { \
+ printk("(%s,l. %d): ", __FUNCTION__, __LINE__); \
+ printk(format, ##a); } \
+ } while (0)
+
+#define FENTRY \
+ if(filter_print_entry) \
+ printk("Process %d entered %s\n", current->pid, __FUNCTION__)
+
+#define FEXIT \
+ if(filter_print_entry) \
+ printk("Process %d leaving %s at %d\n", current->pid, \
+ __FUNCTION__,__LINE__)
+#endif
+#endif
+#endif
--- linux-2.5.50/include/linux/intermezzo_fs.h~intermezzo Tue Dec 10 20:53:33 2002
+++ linux-2.5.50-root/include/linux/intermezzo_fs.h Tue Dec 10 20:53:33 2002
@@ -39,7 +39,7 @@ typedef __u8 uuid_t[16];

struct lento_vfs_context {
__u64 kml_offset;
- __u64 updated_time;
+ struct timespec updated_time;
__u64 remote_ino;
__u64 remote_generation;
__u32 slot_offset;
--- /dev/null Fri Aug 30 17:31:37 2002
+++ linux-2.5.50-root/include/linux/intermezzo_idl.h Tue Dec 10 21:10:33 2002
@@ -0,0 +1,304 @@
+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=8:tabstop=8:
+ *
+ * Copyright (C) 2001, 2002 Cluster File Systems, Inc.
+ * Copyright (C) 2001 Tacit Networks, Inc.
+ *
+ * This file is part of InterMezzo, http://www.inter-mezzo.org.
+ *
+ * InterMezzo is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * InterMezzo is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with InterMezzo; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __INTERMEZZO_IDL_H__
+#define __INTERMEZZO_IDL_H__
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+
+/* this file contains all data structures used in InterMezzo's interfaces:
+ * - upcalls
+ * - ioctl's
+ * - KML records
+ * - RCVD records
+ * - rpc's
+ */
+
+/* UPCALL */
+#define INTERMEZZO_MINOR 248
+
+
+#define IZO_UPC_VERSION 0x00010002
+#define IZO_UPC_PERMIT 1
+#define IZO_UPC_CONNECT 2
+#define IZO_UPC_GO_FETCH_KML 3
+#define IZO_UPC_OPEN 4
+#define IZO_UPC_REVOKE_PERMIT 5
+#define IZO_UPC_KML 6
+#define IZO_UPC_BACKFETCH 7
+#define IZO_UPC_KML_TRUNC 8
+#define IZO_UPC_SET_KMLSIZE 9
+#define IZO_UPC_BRANCH_UNDO 10
+#define IZO_UPC_BRANCH_REDO 11
+#define IZO_UPC_GET_FILEID 12
+#define IZO_UPC_CLIENT_MAKE_BRANCH 13
+#define IZO_UPC_SERVER_MAKE_BRANCH 14
+#define IZO_UPC_REPSTATUS 15
+
+#define IZO_UPC_LARGEST_OPCODE 15
+
+struct izo_upcall_hdr {
+ __u32 u_len;
+ __u32 u_version;
+ __u32 u_opc;
+ __u32 u_uniq;
+ __u32 u_pid;
+ __u32 u_uid;
+ __u32 u_pathlen;
+ __u32 u_fsetlen;
+ __u64 u_offset;
+ __u64 u_length;
+ __u32 u_first_recno;
+ __u32 u_last_recno;
+ __u32 u_async;
+ __u32 u_reclen;
+ __u8 u_uuid[16];
+};
+
+/* This structure _must_ sit at the beginning of the buffer */
+struct izo_upcall_resp {
+ __u32 opcode;
+ __u32 unique;
+ __u32 result;
+};
+
+
+/* IOCTL */
+
+#define IZO_IOCTL_VERSION 0x00010003
+
+/* maximum size supported for ioc_pbuf1 */
+#define KML_MAX_BUF (64*1024)
+
+struct izo_ioctl_hdr {
+ __u32 ioc_len;
+ __u32 ioc_version;
+};
+
+struct izo_ioctl_data {
+ __u32 ioc_len;
+ __u32 ioc_version;
+ __u32 ioc_izodev;
+ __u32 ioc_kmlrecno;
+ __u64 ioc_kmlsize;
+ __u32 ioc_flags;
+ __s32 ioc_inofd;
+ __u64 ioc_ino;
+ __u64 ioc_generation;
+ __u32 ioc_mark_what;
+ __u32 ioc_and_flag;
+ __u32 ioc_or_flag;
+ __u32 ioc_dev;
+ __u32 ioc_offset;
+ __u32 ioc_slot;
+ __u64 ioc_uid;
+ __u8 ioc_uuid[16];
+
+ __u32 ioc_inllen1; /* path */
+ char *ioc_inlbuf1;
+ __u32 ioc_inllen2; /* fileset */
+ char *ioc_inlbuf2;
+
+ __u32 ioc_plen1; /* buffers in user space (KML) */
+ char *ioc_pbuf1;
+ __u32 ioc_plen2; /* buffers in user space (KML) */
+ char *ioc_pbuf2;
+
+ char ioc_bulk[0];
+};
+
+#define IZO_IOC_DEVICE _IOW ('p',0x50, void *)
+#define IZO_IOC_REINTKML _IOW ('p',0x51, void *)
+#define IZO_IOC_GET_RCVD _IOW ('p',0x52, void *)
+#define IZO_IOC_SET_IOCTL_UID _IOW ('p',0x53, void *)
+#define IZO_IOC_GET_KML_SIZE _IOW ('p',0x54, void *)
+#define IZO_IOC_PURGE_FILE_DATA _IOW ('p',0x55, void *)
+#define IZO_IOC_CONNECT _IOW ('p',0x56, void *)
+#define IZO_IOC_GO_FETCH_KML _IOW ('p',0x57, void *)
+#define IZO_IOC_MARK _IOW ('p',0x58, void *)
+#define IZO_IOC_CLEAR_FSET _IOW ('p',0x59, void *)
+#define IZO_IOC_CLEAR_ALL_FSETS _IOW ('p',0x60, void *)
+#define IZO_IOC_SET_FSET _IOW ('p',0x61, void *)
+#define IZO_IOC_REVOKE_PERMIT _IOW ('p',0x62, void *)
+#define IZO_IOC_SET_KMLSIZE _IOW ('p',0x63, void *)
+#define IZO_IOC_CLIENT_MAKE_BRANCH _IOW ('p',0x64, void *)
+#define IZO_IOC_SERVER_MAKE_BRANCH _IOW ('p',0x65, void *)
+#define IZO_IOC_BRANCH_UNDO _IOW ('p',0x66, void *)
+#define IZO_IOC_BRANCH_REDO _IOW ('p',0x67, void *)
+#define IZO_IOC_SET_PID _IOW ('p',0x68, void *)
+#define IZO_IOC_SET_CHANNEL _IOW ('p',0x69, void *)
+#define IZO_IOC_GET_CHANNEL _IOW ('p',0x70, void *)
+#define IZO_IOC_GET_FILEID _IOW ('p',0x71, void *)
+#define IZO_IOC_ADJUST_LML _IOW ('p',0x72, void *)
+#define IZO_IOC_SET_FILEID _IOW ('p',0x73, void *)
+#define IZO_IOC_REPSTATUS _IOW ('p',0x74, void *)
+
+/* marking flags for fsets */
+#define FSET_CLIENT_RO 0x00000001
+#define FSET_LENTO_RO 0x00000002
+#define FSET_HASPERMIT 0x00000004 /* we have a permit to WB */
+#define FSET_INSYNC 0x00000008 /* this fileset is in sync */
+#define FSET_PERMIT_WAITING 0x00000010 /* Lento is waiting for permit */
+#define FSET_STEAL_PERMIT 0x00000020 /* take permit if Lento is dead */
+#define FSET_JCLOSE_ON_WRITE 0x00000040 /* Journal closes on writes */
+#define FSET_DATA_ON_DEMAND 0x00000080 /* update data on file_open() */
+#define FSET_PERMIT_EXCLUSIVE 0x00000100 /* only one permitholder allowed */
+#define FSET_HAS_BRANCHES 0x00000200 /* this fileset contains branches */
+#define FSET_IS_BRANCH 0x00000400 /* this fileset is a branch */
+#define FSET_FLAT_BRANCH 0x00000800 /* this fileset is ROOT with branches */
+
+/* what to mark indicator (ioctl parameter) */
+#define MARK_DENTRY 101
+#define MARK_FSET 102
+#define MARK_CACHE 103
+#define MARK_GETFL 104
+
+/* KML */
+
+#define KML_MAJOR_VERSION 0x00010000
+#define KML_MINOR_VERSION 0x00000002
+#define KML_OPCODE_NOOP 0
+#define KML_OPCODE_CREATE 1
+#define KML_OPCODE_MKDIR 2
+#define KML_OPCODE_UNLINK 3
+#define KML_OPCODE_RMDIR 4
+#define KML_OPCODE_CLOSE 5
+#define KML_OPCODE_SYMLINK 6
+#define KML_OPCODE_RENAME 7
+#define KML_OPCODE_SETATTR 8
+#define KML_OPCODE_LINK 9
+#define KML_OPCODE_OPEN 10
+#define KML_OPCODE_MKNOD 11
+#define KML_OPCODE_WRITE 12
+#define KML_OPCODE_RELEASE 13
+#define KML_OPCODE_TRUNC 14
+#define KML_OPCODE_SETEXTATTR 15
+#define KML_OPCODE_DELEXTATTR 16
+#define KML_OPCODE_KML_TRUNC 17
+#define KML_OPCODE_GET_FILEID 18
+#define KML_OPCODE_NUM 19
+/* new stuff */
+struct presto_version {
+ __u32 pv_mtime_sec;
+ __u32 pv_mtime_nsec;
+ __u32 pv_ctime_sec;
+ __u32 pv_ctime_nsec;
+ __u64 pv_size;
+};
+
+struct kml_prefix_hdr {
+ __u32 len;
+ __u32 version;
+ __u32 pid;
+ __u32 auid;
+ __u32 fsuid;
+ __u32 fsgid;
+ __u32 opcode;
+ __u32 ngroups;
+};
+
+struct kml_prefix {
+ struct kml_prefix_hdr *hdr;
+ __u32 *groups;
+};
+
+struct kml_suffix {
+ __u32 prevrec;
+ __u32 recno;
+ __u32 time;
+ __u32 len;
+};
+
+struct kml_rec {
+ char *buf;
+ struct kml_prefix prefix;
+ __u64 offset;
+ char *path;
+ int pathlen;
+ char *name;
+ int namelen;
+ char *target;
+ int targetlen;
+ struct presto_version *old_objectv;
+ struct presto_version *new_objectv;
+ struct presto_version *old_parentv;
+ struct presto_version *new_parentv;
+ struct presto_version *old_targetv;
+ struct presto_version *new_targetv;
+ __u32 valid;
+ __u32 mode;
+ __u32 uid;
+ __u32 gid;
+ __u64 size;
+ __u32 mtime_sec;
+ __u32 mtime_nsec;
+ __u32 ctime_sec;
+ __u32 ctime_nsec;
+ __u32 flags;
+ __u32 ino;
+ __u32 rdev;
+ __u32 major;
+ __u32 minor;
+ __u32 generation;
+ __u32 old_mode;
+ __u32 old_rdev;
+ __u64 old_uid;
+ __u64 old_gid;
+ char *old_target;
+ int old_targetlen;
+ struct kml_suffix *suffix;
+};
+
+
+/* RCVD */
+
+/* izo_rcvd_rec fills the .intermezzo/fset/last_rcvd file and provides data about
+ * our view of reintegration offsets for a given peer.
+ *
+ * The only exception is the last_rcvd record which has a UUID consisting of all
+ * zeroes; this record's lr_local_offset field is the logical byte offset of our
+ * KML, which is updated when KML truncation takes place. All other fields are
+ * reserved. */
+
+/* XXX - document how clean shutdowns are recorded */
+
+struct izo_rcvd_rec {
+ __u8 lr_uuid[16]; /* which peer? */
+ __u64 lr_remote_recno; /* last confirmed remote recno */
+ __u64 lr_remote_offset; /* last confirmed remote offset */
+ __u64 lr_local_recno; /* last locally reinted recno */
+ __u64 lr_local_offset; /* last locally reinted offset */
+ __u64 lr_last_ctime; /* the largest ctime that has reintegrated */
+};
+
+/* Cache purge database
+ *
+ * Each DB entry is this structure followed by the path name, no trailing NUL. */
+struct izo_purge_entry {
+ __u64 p_atime;
+ __u32 p_pathlen;
+};
+
+/* RPC */
+
+#endif
--- /dev/null Fri Aug 30 17:31:37 2002
+++ linux-2.5.50-root/include/linux/intermezzo_lib.h Tue Dec 10 20:53:33 2002
@@ -0,0 +1,168 @@
+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=8:tabstop=8:
+ *
+ * Copyright (C) 2001 Cluster File Systems, Inc. <braam@clusterfs.com>
+ *
+ * This file is part of InterMezzo, http://www.inter-mezzo.org.
+ *
+ * InterMezzo is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * InterMezzo is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with InterMezzo; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Data structures unpacking/packing macros & inlines
+ *
+ */
+
+#ifndef _INTERMEZZO_LIB_H
+#define _INTERMEZZO_LIB_H
+
+#ifdef __KERNEL__
+# include <linux/types.h>
+#else
+# include <string.h>
+# include <sys/types.h>
+#endif
+
+#undef MIN
+#define MIN(a,b) (((a)<(b)) ? (a): (b))
+#undef MAX
+#define MAX(a,b) (((a)>(b)) ? (a): (b))
+#define MKSTR(ptr) ((ptr))? (ptr) : ""
+
+static inline int size_round (int val)
+{
+ return (val + 3) & (~0x3);
+}
+
+static inline int size_round0(int val)
+{
+ if (!val)
+ return 0;
+ return (val + 1 + 3) & (~0x3);
+}
+
+static inline size_t round_strlen(char *fset)
+{
+ return size_round(strlen(fset) + 1);
+}
+
+#ifdef __KERNEL__
+# define NTOH__u32(var) le32_to_cpu(var)
+# define NTOH__u64(var) le64_to_cpu(var)
+# define HTON__u32(var) cpu_to_le32(var)
+# define HTON__u64(var) cpu_to_le64(var)
+#else
+# include <glib.h>
+# define NTOH__u32(var) GUINT32_FROM_LE(var)
+# define NTOH__u64(var) GUINT64_FROM_LE(var)
+# define HTON__u32(var) GUINT32_TO_LE(var)
+# define HTON__u64(var) GUINT64_TO_LE(var)
+#endif
+
+/*
+ * copy sizeof(type) bytes from pointer to var and move ptr forward.
+ * return EFAULT if pointer goes beyond end
+ */
+#define UNLOGV(var,type,ptr,end) \
+do { \
+ var = *(type *)ptr; \
+ ptr += sizeof(type); \
+ if (ptr > end ) \
+ return -EFAULT; \
+} while (0)
+
+/* the following two macros convert to little endian */
+/* type MUST be __u32 or __u64 */
+#define LUNLOGV(var,type,ptr,end) \
+do { \
+ var = NTOH##type(*(type *)ptr); \
+ ptr += sizeof(type); \
+ if (ptr > end ) \
+ return -EFAULT; \
+} while (0)
+
+/* now log values */
+#define LOGV(var,type,ptr) \
+do { \
+ *((type *)ptr) = var; \
+ ptr += sizeof(type); \
+} while (0)
+
+/* and in network order */
+#define LLOGV(var,type,ptr) \
+do { \
+ *((type *)ptr) = HTON##type(var); \
+ ptr += sizeof(type); \
+} while (0)
+
+
+/*
+ * set var to point at (type *)ptr, move ptr forward with sizeof(type)
+ * return from function with EFAULT if ptr goes beyond end
+ */
+#define UNLOGP(var,type,ptr,end) \
+do { \
+ var = (type *)ptr; \
+ ptr += sizeof(type); \
+ if (ptr > end ) \
+ return -EFAULT; \
+} while (0)
+
+#define LOGP(var,type,ptr) \
+do { \
+ memcpy(ptr, var, sizeof(type)); \
+ ptr += sizeof(type); \
+} while (0)
+
+/*
+ * set var to point at (char *)ptr, move ptr forward by size_round(len);
+ * return from function with EFAULT if ptr goes beyond end
+ */
+#define UNLOGL(var,type,len,ptr,end) \
+do { \
+ if (len == 0) \
+ var = (type *)0; \
+ else { \
+ var = (type *)ptr; \
+ ptr += size_round(len * sizeof(type)); \
+ } \
+ if (ptr > end ) \
+ return -EFAULT; \
+} while (0)
+
+#define UNLOGL0(var,type,len,ptr,end) \
+do { \
+ UNLOGL(var,type,len+1,ptr,end); \
+ if ( *((char *)ptr - size_round(len+1) + len) != '\0') \
+ return -EFAULT; \
+} while (0)
+
+#define LOGL(var,len,ptr) \
+do { \
+ size_t __fill = size_round(len); \
+ /* Prevent data leakage. */ \
+ if (__fill > 0) \
+ memset((char *)ptr, 0, __fill); \
+ memcpy((char *)ptr, (const char *)var, len); \
+ ptr += __fill; \
+} while (0)
+
+#define LOGL0(var,len,ptr) \
+do { \
+ if (!len) break; \
+ memcpy((char *)ptr, (const char *)var, len); \
+ *((char *)(ptr) + len) = 0; \
+ ptr += size_round(len + 1); \
+} while (0)
+
+#endif /* _INTERMEZZO_LIB_H */
+

_

--vkogqOf2sHV7VnPd--
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