{ "kralnd", "lnet/klnds/ralnd" },
{ "ksocklnd", "lnet/klnds/socklnd" },
{ "ktdilnd", "lnet/klnds/tdilnd" },
- { "lvfs", "lustre/lvfs" },
{ "obdclass", "lustre/obdclass" },
{ "llog_test", "lustre/obdclass" },
{ "ptlrpc_gss", "lustre/ptlrpc/gss" },
{ "obdfilter", "lustre/obdfilter" },
{ "lov", "lustre/lov" },
{ "lmv", "lustre/lmv" },
- { "fsfilt_ldiskfs", "lustre/lvfs" },
{ "lquota", "lustre/quota" },
{ "mgs", "lustre/mgs" },
{ "mgc", "lustre/mgc" },
%endif
%if %{with ldiskfs}
%exclude %{?rootdir}/lib/modules/%{kversion}/updates/kernel/fs/lustre/ldiskfs.ko
-%exclude %{?rootdir}/lib/modules/%{kversion}/updates/kernel/fs/lustre/fsfilt_ldiskfs.ko
%exclude %{?rootdir}/lib/modules/%{kversion}/updates/kernel/fs/lustre/osd_ldiskfs.ko
%endif
%if %{with zfs}
%if %{with ldiskfs}
%files osd-ldiskfs
%attr(-, root, root) %{?rootdir}/lib/modules/%{kversion}/updates/kernel/fs/lustre/ldiskfs.ko
-%attr(-, root, root) %{?rootdir}/lib/modules/%{kversion}/updates/kernel/fs/lustre/fsfilt_ldiskfs.ko
%attr(-, root, root) %{?rootdir}/lib/modules/%{kversion}/updates/kernel/fs/lustre/osd_ldiskfs.ko
%if %{defined rpm_post_base}
%attr(0555, root, root) %{rpm_post_base}-osd-ldiskfs.sh
subdir-m += fid
-subdir-m += lvfs
subdir-m += obdclass
subdir-m += ptlrpc
subdir-m += obdecho
AUTOMAKE_OPTIONS = foreign
# also update lustre/autoconf/lustre-core.m4 AC_CONFIG_FILES
-ALWAYS_SUBDIRS = include lvfs obdclass ldlm ptlrpc obdecho \
+ALWAYS_SUBDIRS = include obdclass ldlm ptlrpc obdecho \
mgc fid fld doc utils tests scripts autoconf contrib conf
SERVER_SUBDIRS = ost mgs mdt mdd ofd osd-zfs osd-ldiskfs \
EXTRA_DIST = BUGS FDL kernel_patches BUILDING
-lvfs-sources:
- $(MAKE) sources -C lvfs
-
-sources: $(LDISKFS) lvfs-sources lustre_build_version
+sources: $(LDISKFS) lustre_build_version
all-recursive: lustre_build_version
])
#
-# 3.1.1 has ext4_blocks_for_truncate
-#
-AC_DEFUN([LC_BLOCKS_FOR_TRUNCATE],
-[AC_MSG_CHECKING([if kernel has ext4_blocks_for_truncate])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
- #include "$LINUX/fs/ext4/ext4_jbd2.h"
- #include "$LINUX/fs/ext4/truncate.h"
-],[
- ext4_blocks_for_truncate(NULL);
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_BLOCKS_FOR_TRUNCATE, 1,
- [kernel has ext4_blocks_for_truncate])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-#
# 3.1 introduced generic_file_llseek_size()
#
AC_DEFUN([LC_FILE_LLSEEK_SIZE],
LC_FILE_LLSEEK_SIZE
LC_INODE_PERMISION_2ARGS
- # 3.1.1
- LC_BLOCKS_FOR_TRUNCATE
-
# 3.2
LC_HAVE_VOID_MAKE_REQUEST_FN
LC_HAVE_PROTECT_I_NLINK
# libsysio/src/readlink.c
LC_READLINK_SSIZE_T
-# lvfs/prng.c - depends on linux/types.h from liblustre/dir.c
+# libcfs prng.c - depends on linux/types.h from liblustre/dir.c
AC_CHECK_HEADERS([linux/random.h], [], [],
[#ifdef HAVE_LINUX_TYPES_H
# include <linux/types.h>
lustre/lclient/Makefile
lustre/lov/Makefile
lustre/lov/autoMakefile
-lustre/lvfs/Makefile
-lustre/lvfs/autoMakefile
lustre/mdc/Makefile
lustre/mdc/autoMakefile
lustre/lmv/Makefile
lustre_export.h \
lustre_fid.h \
lustre_fld.h \
- lustre_fsfilt.h \
lustre_ha.h \
lustre_handles.h \
lustre_idmap.h \
* super-class definitions.
*/
#include <lu_object.h>
-#include <lvfs.h>
#ifdef __KERNEL__
# include <linux/mutex.h>
# include <linux/radix-tree.h>
EXTRA_DIST = lprocfs_status.h lustre_debug.h lustre_lib.h \
lustre_dlm.h lustre_handles.h lustre_net.h obd_class.h obd_support.h \
- lustre_log.h lustre_compat.h lustre_fsfilt.h lustre_mds.h obd.h \
+ lustre_log.h lustre_compat.h lustre_mds.h obd.h \
lvfs.h lustre_lite.h lustre_quota.h \
lustre_user.h
+++ /dev/null
-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * This program 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 version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- *
- * lustre/include/darwin/lustre_fsfilt.h
- *
- * Filesystem interface helper.
- */
-
-#ifndef _DARWIN_LUSTRE_FSFILT_H
-#define _DARWIN_LUSTRE_FSFILT_H
-
-#ifndef _LUSTRE_FSFILT_H
-#error Do not #include this file directly. #include <lustre_fsfilt.h> instead
-#endif
-
-#endif
EXTRA_DIST = lprocfs_status.h lustre_acl.h lustre_debug.h lustre_lib.h \
lustre_dlm.h lustre_handles.h lustre_net.h obd_class.h obd_support.h \
- lustre_log.h lustre_compat25.h lustre_fsfilt.h \
+ lustre_log.h lustre_compat25.h \
obd.h lvfs.h lvfs_linux.h lustre_lite.h lustre_quota.h \
lustre_user.h lustre_patchless_compat.h lustre_intent.h lustre_common.h
+++ /dev/null
-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * This program 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 version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- *
- * Copyright (c) 2012, 2013, Intel Corporation.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- *
- * lustre/include/linux/lustre_fsfilt.h
- *
- * Filesystem interface helper.
- */
-
-#ifndef _LINUX_LUSTRE_FSFILT_H
-#define _LINUX_LUSTRE_FSFILT_H
-
-#ifndef _LUSTRE_FSFILT_H
-#error Do not #include this file directly. #include <lustre_fsfilt.h> instead
-#endif
-
-#ifdef __KERNEL__
-
-#include <obd.h>
-#include <obd_class.h>
-
-struct fsfilt_operations {
- cfs_list_t fs_list;
- struct module *fs_owner;
- char *fs_type;
- int (* fs_map_inode_pages)(struct inode *inode, struct page **page,
- int pages, unsigned long *blocks,
- int create, struct mutex *sem);
-};
-
-extern int fsfilt_register_ops(struct fsfilt_operations *fs_ops);
-extern void fsfilt_unregister_ops(struct fsfilt_operations *fs_ops);
-extern struct fsfilt_operations *fsfilt_get_ops(const char *type);
-extern void fsfilt_put_ops(struct fsfilt_operations *fs_ops);
-
-#define __fsfilt_check_slow(obd, start, msg) \
-do { \
- if (cfs_time_before(jiffies, start + 15 * HZ)) \
- break; \
- else if (cfs_time_before(jiffies, start + 30 * HZ)) \
- CDEBUG(D_VFSTRACE, "%s: slow %s %lus\n", obd->obd_name, \
- msg, (jiffies-start) / HZ); \
- else if (cfs_time_before(jiffies, start + DISK_TIMEOUT * HZ)) \
- CWARN("%s: slow %s %lus\n", obd->obd_name, msg, \
- (jiffies - start) / HZ); \
- else \
- CERROR("%s: slow %s %lus\n", obd->obd_name, msg, \
- (jiffies - start) / HZ); \
-} while (0)
-
-#define fsfilt_check_slow(obd, start, msg) \
-do { \
- __fsfilt_check_slow(obd, start, msg); \
- start = jiffies; \
-} while (0)
-
-#endif /* __KERNEL__ */
-
-#endif
#define l_filp_open filp_open
struct lvfs_run_ctxt;
-struct l_file *l_dentry_open(struct lvfs_run_ctxt *, struct l_dentry *,
- int flags);
struct l_linux_dirent {
cfs_list_t lld_list;
#ifdef __KERNEL__
# include <linux/types.h>
# include <linux/blkdev.h>
-# include <lvfs.h>
#else /* !__KERNEL__ */
# define LTIME_S(time) (time)
/* for obd_class.h */
+++ /dev/null
-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * This program 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 version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- *
- * Copyright (c) 2012, Intel Corporation.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- *
- * lustre/include/lustre_fsfilt.h
- *
- * Filesystem interface helper.
- */
-
-#ifndef _LUSTRE_FSFILT_H
-#define _LUSTRE_FSFILT_H
-
-#if defined(__linux__)
-#include <linux/lustre_fsfilt.h>
-#elif defined(__APPLE__)
-#include <darwin/lustre_fsfilt.h>
-#elif defined(__WINNT__)
-#include <winnt/lustre_fsfilt.h>
-#else
-#error Unsupported operating system.
-#endif
-
-#define LU221_BAD_TIME (0x80000000U + 24 * 3600)
-
-#endif
struct l_wait_info;
#include <lustre_ha.h>
#include <lustre_net.h>
-#include <lvfs.h>
#ifdef HAVE_SERVER_SUPPORT
void target_client_add_cb(struct obd_device *obd, __u64 transno, void *cb_data,
#include <lvfs_user_fs.h>
#endif
-/* lvfs_common.c */
-struct dentry *lvfs_fid2dentry(struct lvfs_run_ctxt *, __u64, __u32, __u64 ,void *data);
-
+/* lvfs_linux.c */
void push_ctxt(struct lvfs_run_ctxt *save, struct lvfs_run_ctxt *new_ctx,
struct lvfs_ucred *cred);
void pop_ctxt(struct lvfs_run_ctxt *saved, struct lvfs_run_ctxt *new_ctx,
spinlock_t obd_dev_lock; /* protect OBD bitfield above */
struct mutex obd_dev_mutex;
__u64 obd_last_committed;
- struct fsfilt_operations *obd_fsops;
spinlock_t obd_osfs_lock;
struct obd_statfs obd_osfs; /* locked by obd_osfs_lock */
__u64 obd_osfs_age;
$(top_builddir)/lustre/mdc/libmdc.a \
$(top_builddir)/lustre/mgc/libmgc.a \
$(top_builddir)/lustre/ptlrpc/libptlrpc.a \
- $(top_builddir)/lustre/obdclass/liblustreclass.a \
- $(top_builddir)/lustre/lvfs/liblvfs.a
+ $(top_builddir)/lustre/obdclass/liblustreclass.a
LND_LIBS =
if BUILD_USOCKLND
build_obj_list ../mgc libmgc.a
build_obj_list ../ptlrpc libptlrpc.a
build_obj_list ../obdclass liblustreclass.a
-build_obj_list ../lvfs liblvfs.a
# lnet components libs
build_obj_list ../../lnet/utils libuptlctl.a
+++ /dev/null
-/fsfilt-*.c
-/sources
-/fsfilt_ldiskfs.*
-/fsfilt-ldiskfs.*
+++ /dev/null
-MODULES := lvfs
-@LDISKFS_ENABLED_TRUE@MODULES += fsfilt_ldiskfs
-
-lvfs-objs := lvfs_linux.o fsfilt.o lvfs_lib.o
-
-@LDISKFS_ENABLED_TRUE@fsfilt_ldiskfs-objs := fsfilt-ldiskfs.o
-
-$(obj)/fsfilt-%.c: $(obj)/fsfilt_%.c
- ln -s $< $@
-
-EXTRA_DIST = $(lvfs-objs:.o=.c) fsfilt_ext3.c
-
-# for <ext3/xattr.h> on 2.6
-EXTRA_PRE_CFLAGS := -I@LINUX@/fs -I@abs_top_builddir@ -I@abs_top_builddir@/ldiskfs
-
-@INCLUDE_RULES@
+++ /dev/null
-#
-# GPL HEADER START
-#
-# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 only,
-# as published by the Free Software Foundation.
-#
-# This program 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 version 2 for more details (a copy is included
-# in the LICENSE file that accompanied this code).
-#
-# You should have received a copy of the GNU General Public License
-# version 2 along with this program; If not, see
-# http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
-#
-# Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
-# CA 95054 USA or visit www.sun.com if you need additional information or
-# have any questions.
-#
-# GPL HEADER END
-#
-
-#
-# Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
-# Use is subject to license terms.
-#
-# Copyright (c) 2012, Intel Corporation.
-#
-
-#
-# This file is part of Lustre, http://www.lustre.org/
-# Lustre is a trademark of Sun Microsystems, Inc.
-#
-
-if LIBLUSTRE
-noinst_LIBRARIES = liblvfs.a
-liblvfs_a_SOURCES = lvfs_lib.c
-liblvfs_a_CFLAGS = $(LLCFLAGS)
-liblvfs_a_CPPFLAGS = $(LLCPPFLAGS)
-endif
-
-if MODULES
-
-if LINUX
-
-modulefs_DATA := lvfs$(KMODEXT)
-
-if SERVER
-if LDISKFS_ENABLED
-modulefs_DATA += fsfilt_ldiskfs$(KMODEXT)
-
-sources: fsfilt_ldiskfs.c
- touch sources
-else #LDISKFS_ENABLED
-sources:
-endif #LDISKFS_ENABLED
-else #SERVER
-sources:
-
-endif #SERVER
-
-ldiskfs_sed_flags = \
- -e "s/EXT3/LDISKFS/g" -e "s/ext3/ldiskfs/g" \
- -e "s/EXT4/LDISKFS/g" -e "s/ext4/ldiskfs/g"
-
-fsfilt_ldiskfs.c: fsfilt_ext3.c
- sed $(strip $(ldiskfs_sed_flags)) $< > $@
-
-endif # LINUX
-
-else # MODULES
-
-sources:
-
-endif # MODULES
-
-install-data-hook: $(install_data_hook)
-
-MOSTLYCLEANFILES := @MOSTLYCLEANFILES@
-CLEANFILES = fsfilt-*.c fsfilt_ldiskfs*.c fsfilt_extN.c sources
+++ /dev/null
-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * This program 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 version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- */
-
-#define DEBUG_SUBSYSTEM S_FILTER
-
-#include <linux/fs.h>
-#include <linux/jbd.h>
-#include <linux/module.h>
-#include <linux/kmod.h>
-#include <linux/slab.h>
-#include <libcfs/libcfs.h>
-#include <lustre_fsfilt.h>
-
-CFS_LIST_HEAD(fsfilt_types);
-
-static struct fsfilt_operations *fsfilt_search_type(const char *type)
-{
- struct fsfilt_operations *found;
- cfs_list_t *p;
-
- cfs_list_for_each(p, &fsfilt_types) {
- found = cfs_list_entry(p, struct fsfilt_operations, fs_list);
- if (!strcmp(found->fs_type, type)) {
- return found;
- }
- }
- return NULL;
-}
-
-int fsfilt_register_ops(struct fsfilt_operations *fs_ops)
-{
- struct fsfilt_operations *found;
-
- /* lock fsfilt_types list */
- if ((found = fsfilt_search_type(fs_ops->fs_type))) {
- if (found != fs_ops) {
- CERROR("different operations for type %s\n",
- fs_ops->fs_type);
- /* unlock fsfilt_types list */
- RETURN(-EEXIST);
- }
- } else {
- try_module_get(THIS_MODULE);
- cfs_list_add(&fs_ops->fs_list, &fsfilt_types);
- }
-
- /* unlock fsfilt_types list */
- return 0;
-}
-EXPORT_SYMBOL(fsfilt_register_ops);
-
-void fsfilt_unregister_ops(struct fsfilt_operations *fs_ops)
-{
- cfs_list_t *p;
-
- /* lock fsfilt_types list */
- cfs_list_for_each(p, &fsfilt_types) {
- struct fsfilt_operations *found;
-
- found = cfs_list_entry(p, typeof(*found), fs_list);
- if (found == fs_ops) {
- cfs_list_del(p);
- module_put(THIS_MODULE);
- break;
- }
- }
- /* unlock fsfilt_types list */
-}
-EXPORT_SYMBOL(fsfilt_unregister_ops);
-
-struct fsfilt_operations *fsfilt_get_ops(const char *type)
-{
- struct fsfilt_operations *fs_ops;
-
- /* lock fsfilt_types list */
- if (!(fs_ops = fsfilt_search_type(type))) {
- char name[32];
- int rc;
-
- snprintf(name, sizeof(name) - 1, "fsfilt_%s", type);
- name[sizeof(name) - 1] = '\0';
-
- if (!(rc = request_module("%s", name))) {
- fs_ops = fsfilt_search_type(type);
- CDEBUG(D_INFO, "Loaded module '%s'\n", name);
- if (!fs_ops)
- rc = -ENOENT;
- }
-
- if (rc) {
- CERROR("Can't find %s interface\n", name);
- RETURN(ERR_PTR(rc < 0 ? rc : -rc));
- /* unlock fsfilt_types list */
- }
- }
- try_module_get(fs_ops->fs_owner);
- /* unlock fsfilt_types list */
-
- return fs_ops;
-}
-EXPORT_SYMBOL(fsfilt_get_ops);
-
-void fsfilt_put_ops(struct fsfilt_operations *fs_ops)
-{
- module_put(fs_ops->fs_owner);
-}
-EXPORT_SYMBOL(fsfilt_put_ops);
+++ /dev/null
-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * This program 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 version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- *
- * Copyright (c) 2011, 2013, Intel Corporation.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- *
- * lustre/lvfs/fsfilt_ext3.c
- *
- * Author: Andreas Dilger <adilger@clusterfs.com>
- */
-
-#define DEBUG_SUBSYSTEM S_FILTER
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/fs.h>
-#include <linux/slab.h>
-#include <linux/pagemap.h>
-#include <ext4/ext4.h>
-#include <ext4/ext4_jbd2.h>
-#include <linux/version.h>
-#include <linux/bitops.h>
-#include <linux/quota.h>
-
-#include <libcfs/libcfs.h>
-#include <lustre_fsfilt.h>
-#include <obd.h>
-#include <linux/lustre_compat25.h>
-#include <linux/lprocfs_status.h>
-
-#include <ext4/ext4_extents.h>
-
-#ifdef HAVE_EXT_PBLOCK /* Name changed to ext4_ext_pblock for kernel 2.6.35 */
-#define ext3_ext_pblock(ex) ext_pblock((ex))
-#endif
-
-/* for kernels 2.6.18 and later */
-#define fsfilt_ext3_ext_insert_extent(handle, inode, path, newext, flag) \
- ext3_ext_insert_extent(handle, inode, path, newext, flag)
-
-#define ext3_mb_discard_inode_preallocations(inode) \
- ext3_discard_preallocations(inode)
-
-#ifndef EXT3_EXTENTS_FL
-#define EXT3_EXTENTS_FL 0x00080000 /* Inode uses extents */
-#endif
-
-#ifndef EXT_ASSERT
-#define EXT_ASSERT(cond) BUG_ON(!(cond))
-#endif
-
-#define EXT_GENERATION(inode) (EXT4_I(inode)->i_ext_generation)
-#define ext3_ext_base inode
-#define ext3_ext_base2inode(inode) (inode)
-#define EXT_DEPTH(inode) ext_depth(inode)
-#define fsfilt_ext3_ext_walk_space(inode, block, num, cb, cbdata) \
- ext3_ext_walk_space(inode, block, num, cb, cbdata);
-
-struct bpointers {
- unsigned long *blocks;
- unsigned long start;
- int num;
- int init_num;
- int create;
-};
-
-static long ext3_ext_find_goal(struct inode *inode, struct ext3_ext_path *path,
- unsigned long block, int *aflags)
-{
- struct ext3_inode_info *ei = EXT3_I(inode);
- unsigned long bg_start;
- unsigned long colour;
- int depth;
-
- if (path) {
- struct ext3_extent *ex;
- depth = path->p_depth;
-
- /* try to predict block placement */
- if ((ex = path[depth].p_ext))
- return ext4_ext_pblock(ex) + (block - le32_to_cpu(ex->ee_block));
-
- /* it looks index is empty
- * try to find starting from index itself */
- if (path[depth].p_bh)
- return path[depth].p_bh->b_blocknr;
- }
-
- /* OK. use inode's group */
- bg_start = (ei->i_block_group * EXT3_BLOCKS_PER_GROUP(inode->i_sb)) +
- le32_to_cpu(EXT3_SB(inode->i_sb)->s_es->s_first_data_block);
- colour = (current->pid % 16) *
- (EXT3_BLOCKS_PER_GROUP(inode->i_sb) / 16);
- return bg_start + colour + block;
-}
-
-#define ll_unmap_underlying_metadata(sb, blocknr) \
- unmap_underlying_metadata((sb)->s_bdev, blocknr)
-
-#ifndef EXT3_MB_HINT_GROUP_ALLOC
-static unsigned long new_blocks(handle_t *handle, struct ext3_ext_base *base,
- struct ext3_ext_path *path, unsigned long block,
- unsigned long *count, int *err)
-{
- unsigned long pblock, goal;
- int aflags = 0;
- struct inode *inode = ext3_ext_base2inode(base);
-
- goal = ext3_ext_find_goal(inode, path, block, &aflags);
- aflags |= 2; /* block have been already reserved */
- pblock = ext3_mb_new_blocks(handle, inode, goal, count, aflags, err);
- return pblock;
-
-}
-#else
-static unsigned long new_blocks(handle_t *handle, struct ext3_ext_base *base,
- struct ext3_ext_path *path, unsigned long block,
- unsigned long *count, int *err)
-{
- struct inode *inode = ext3_ext_base2inode(base);
- struct ext3_allocation_request ar;
- unsigned long pblock;
- int aflags;
-
- /* find neighbour allocated blocks */
- ar.lleft = block;
- *err = ext3_ext_search_left(base, path, &ar.lleft, &ar.pleft);
- if (*err)
- return 0;
- ar.lright = block;
- *err = ext3_ext_search_right(base, path, &ar.lright, &ar.pright);
- if (*err)
- return 0;
-
- /* allocate new block */
- ar.goal = ext3_ext_find_goal(inode, path, block, &aflags);
- ar.inode = inode;
- ar.logical = block;
- ar.len = *count;
- ar.flags = EXT3_MB_HINT_DATA;
- pblock = ext3_mb_new_blocks(handle, &ar, err);
- *count = ar.len;
- return pblock;
-}
-#endif
-
-static int ext3_ext_new_extent_cb(struct ext3_ext_base *base,
- struct ext3_ext_path *path,
- struct ext3_ext_cache *cex,
-#ifdef HAVE_EXT_PREPARE_CB_EXTENT
- struct ext3_extent *ex,
-#endif
- void *cbdata)
-{
- struct bpointers *bp = cbdata;
- struct inode *inode = ext3_ext_base2inode(base);
- struct ext3_extent nex;
- unsigned long pblock;
- unsigned long tgen;
- int err, i;
- unsigned long count;
- handle_t *handle;
-
-#ifdef EXT3_EXT_CACHE_EXTENT
- if (cex->ec_type == EXT3_EXT_CACHE_EXTENT)
-#else
- if ((cex->ec_len != 0) && (cex->ec_start != 0))
-#endif
- {
- err = EXT_CONTINUE;
- goto map;
- }
-
- if (bp->create == 0) {
- i = 0;
- if (cex->ec_block < bp->start)
- i = bp->start - cex->ec_block;
- if (i >= cex->ec_len)
- CERROR("nothing to do?! i = %d, e_num = %u\n",
- i, cex->ec_len);
- for (; i < cex->ec_len && bp->num; i++) {
- *(bp->blocks) = 0;
- bp->blocks++;
- bp->num--;
- bp->start++;
- }
-
- return EXT_CONTINUE;
- }
-
- tgen = EXT_GENERATION(base);
- count = ext3_ext_calc_credits_for_insert(base, path);
-
- handle = ext3_journal_start(inode, count+EXT3_ALLOC_NEEDED+1);
- if (IS_ERR(handle)) {
- return PTR_ERR(handle);
- }
-
- if (tgen != EXT_GENERATION(base)) {
- /* the tree has changed. so path can be invalid at moment */
- ext3_journal_stop(handle);
- return EXT_REPEAT;
- }
-
- /* In 2.6.32 kernel, ext4_ext_walk_space()'s callback func is not
- * protected by i_data_sem as whole. so we patch it to store
- * generation to path and now verify the tree hasn't changed */
- down_write((&EXT4_I(inode)->i_data_sem));
-
- /* validate extent, make sure the extent tree does not changed */
- if (EXT_GENERATION(base) != path[0].p_generation) {
- /* cex is invalid, try again */
- up_write(&EXT4_I(inode)->i_data_sem);
- ext3_journal_stop(handle);
- return EXT_REPEAT;
- }
-
- count = cex->ec_len;
- pblock = new_blocks(handle, base, path, cex->ec_block, &count, &err);
- if (!pblock)
- goto out;
- EXT_ASSERT(count <= cex->ec_len);
-
- /* insert new extent */
- nex.ee_block = cpu_to_le32(cex->ec_block);
- ext3_ext_store_pblock(&nex, pblock);
- nex.ee_len = cpu_to_le16(count);
- err = fsfilt_ext3_ext_insert_extent(handle, base, path, &nex, 0);
- if (err) {
- /* free data blocks we just allocated */
- /* not a good idea to call discard here directly,
- * but otherwise we'd need to call it every free() */
-#ifdef EXT3_MB_HINT_GROUP_ALLOC
- ext3_mb_discard_inode_preallocations(inode);
-#endif
-#ifdef HAVE_EXT_FREE_BLOCK_WITH_BUFFER_HEAD /* Introduced in 2.6.32-rc7 */
- ext3_free_blocks(handle, inode, NULL, ext4_ext_pblock(&nex),
- cpu_to_le16(nex.ee_len), 0);
-#else
- ext3_free_blocks(handle, inode, ext4_ext_pblock(&nex),
- cpu_to_le16(nex.ee_len), 0);
-#endif
- goto out;
- }
-
- /*
- * Putting len of the actual extent we just inserted,
- * we are asking ext3_ext_walk_space() to continue
- * scaning after that block
- */
- cex->ec_len = le16_to_cpu(nex.ee_len);
- cex->ec_start = ext4_ext_pblock(&nex);
- BUG_ON(le16_to_cpu(nex.ee_len) == 0);
- BUG_ON(le32_to_cpu(nex.ee_block) != cex->ec_block);
-
-out:
- up_write((&EXT4_I(inode)->i_data_sem));
- ext3_journal_stop(handle);
-map:
- if (err >= 0) {
- /* map blocks */
- if (bp->num == 0) {
- CERROR("hmm. why do we find this extent?\n");
- CERROR("initial space: %lu:%u\n",
- bp->start, bp->init_num);
-#ifdef EXT3_EXT_CACHE_EXTENT
- CERROR("current extent: %u/%u/%llu %d\n",
- cex->ec_block, cex->ec_len,
- (unsigned long long)cex->ec_start,
- cex->ec_type);
-#else
- CERROR("current extent: %u/%u/%llu\n",
- cex->ec_block, cex->ec_len,
- (unsigned long long)cex->ec_start);
-#endif
- }
- i = 0;
- if (cex->ec_block < bp->start)
- i = bp->start - cex->ec_block;
- if (i >= cex->ec_len)
- CERROR("nothing to do?! i = %d, e_num = %u\n",
- i, cex->ec_len);
- for (; i < cex->ec_len && bp->num; i++) {
- *(bp->blocks) = cex->ec_start + i;
-#ifdef EXT3_EXT_CACHE_EXTENT
- if (cex->ec_type != EXT3_EXT_CACHE_EXTENT)
-#else
- if ((cex->ec_len == 0) || (cex->ec_start == 0))
-#endif
- {
- /* unmap any possible underlying metadata from
- * the block device mapping. bug 6998. */
- ll_unmap_underlying_metadata(inode->i_sb,
- *(bp->blocks));
- }
- bp->blocks++;
- bp->num--;
- bp->start++;
- }
- }
- return err;
-}
-
-int fsfilt_map_nblocks(struct inode *inode, unsigned long block,
- unsigned long num, unsigned long *blocks,
- int create)
-{
- struct ext3_ext_base *base = inode;
- struct bpointers bp;
- int err;
-
- CDEBUG(D_OTHER, "blocks %lu-%lu requested for inode %u\n",
- block, block + num - 1, (unsigned) inode->i_ino);
-
- bp.blocks = blocks;
- bp.start = block;
- bp.init_num = bp.num = num;
- bp.create = create;
-
- err = fsfilt_ext3_ext_walk_space(base, block, num,
- ext3_ext_new_extent_cb, &bp);
- ext3_ext_invalidate_cache(base);
-
- return err;
-}
-
-int fsfilt_ext3_map_ext_inode_pages(struct inode *inode, struct page **page,
- int pages, unsigned long *blocks,
- int create)
-{
- int blocks_per_page = PAGE_CACHE_SIZE >> inode->i_blkbits;
- int rc = 0, i = 0;
- struct page *fp = NULL;
- int clen = 0;
-
- CDEBUG(D_OTHER, "inode %lu: map %d pages from %lu\n",
- inode->i_ino, pages, (*page)->index);
-
- /* pages are sorted already. so, we just have to find
- * contig. space and process them properly */
- while (i < pages) {
- if (fp == NULL) {
- /* start new extent */
- fp = *page++;
- clen = 1;
- i++;
- continue;
- } else if (fp->index + clen == (*page)->index) {
- /* continue the extent */
- page++;
- clen++;
- i++;
- continue;
- }
-
- /* process found extent */
- rc = fsfilt_map_nblocks(inode, fp->index * blocks_per_page,
- clen * blocks_per_page, blocks,
- create);
- if (rc)
- GOTO(cleanup, rc);
-
- /* look for next extent */
- fp = NULL;
- blocks += blocks_per_page * clen;
- }
-
- if (fp)
- rc = fsfilt_map_nblocks(inode, fp->index * blocks_per_page,
- clen * blocks_per_page, blocks,
- create);
-cleanup:
- return rc;
-}
-
-int fsfilt_ext3_map_bm_inode_pages(struct inode *inode, struct page **page,
- int pages, unsigned long *blocks,
- int create)
-{
- int blocks_per_page = PAGE_CACHE_SIZE >> inode->i_blkbits;
- unsigned long *b;
- int rc = 0, i;
-
- for (i = 0, b = blocks; i < pages; i++, page++) {
- rc = ext3_map_inode_page(inode, *page, b, create);
- if (rc) {
- CERROR("ino %lu, blk %lu create %d: rc %d\n",
- inode->i_ino, *b, create, rc);
- break;
- }
-
- b += blocks_per_page;
- }
- return rc;
-}
-
-int fsfilt_ext3_map_inode_pages(struct inode *inode, struct page **page,
- int pages, unsigned long *blocks,
- int create, struct mutex *optional_mutex)
-{
- int rc;
-
- if (EXT3_I(inode)->i_flags & EXT3_EXTENTS_FL) {
- rc = fsfilt_ext3_map_ext_inode_pages(inode, page, pages,
- blocks, create);
- return rc;
- }
- if (optional_mutex != NULL)
- mutex_lock(optional_mutex);
- rc = fsfilt_ext3_map_bm_inode_pages(inode, page, pages, blocks, create);
- if (optional_mutex != NULL)
- mutex_unlock(optional_mutex);
-
- return rc;
-}
-
-static struct fsfilt_operations fsfilt_ext3_ops = {
- .fs_type = "ext3",
- .fs_owner = THIS_MODULE,
- .fs_map_inode_pages = fsfilt_ext3_map_inode_pages,
-};
-
-static int __init fsfilt_ext3_init(void)
-{
- return fsfilt_register_ops(&fsfilt_ext3_ops);
-}
-
-static void __exit fsfilt_ext3_exit(void)
-{
- fsfilt_unregister_ops(&fsfilt_ext3_ops);
-}
-
-module_init(fsfilt_ext3_init);
-module_exit(fsfilt_ext3_exit);
-
-MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
-MODULE_DESCRIPTION("Lustre ext3 Filesystem Helper v0.1");
-MODULE_LICENSE("GPL");
+++ /dev/null
-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * This program 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 version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- *
- * Copyright (c) 2011, 2013, Intel Corporation.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- *
- * lustre/lvfs/lvfs_linux.c
- *
- * Author: Andreas Dilger <adilger@clusterfs.com>
- */
-
-#define DEBUG_SUBSYSTEM S_FILTER
-
-#include <linux/version.h>
-#include <linux/fs.h>
-#include <asm/unistd.h>
-#include <linux/slab.h>
-#include <linux/pagemap.h>
-#include <linux/quotaops.h>
-#include <linux/version.h>
-#include <libcfs/libcfs.h>
-#include <obd.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/lustre_compat25.h>
-#include <lvfs.h>
-
-#include <obd.h>
-#include <lustre_lib.h>
-
-struct lprocfs_stats *obd_memory = NULL;
-EXPORT_SYMBOL(obd_memory);
-/* refine later and change to seqlock or simlar from libcfs */
-
-/* Debugging check only needed during development */
-#ifdef OBD_CTXT_DEBUG
-# define ASSERT_CTXT_MAGIC(magic) LASSERT((magic) == OBD_RUN_CTXT_MAGIC)
-# define ASSERT_NOT_KERNEL_CTXT(msg) LASSERTF(!segment_eq(get_fs(), get_ds()),\
- msg)
-# define ASSERT_KERNEL_CTXT(msg) LASSERTF(segment_eq(get_fs(), get_ds()), msg)
-#else
-# define ASSERT_CTXT_MAGIC(magic) do {} while(0)
-# define ASSERT_NOT_KERNEL_CTXT(msg) do {} while(0)
-# define ASSERT_KERNEL_CTXT(msg) do {} while(0)
-#endif
-
-static void push_group_info(struct lvfs_run_ctxt *save,
- struct group_info *ginfo)
-{
- if (!ginfo) {
- save->ngroups = current_ngroups;
- current_ngroups = 0;
- } else {
- struct cred *cred;
- task_lock(current);
- save->group_info = current_cred()->group_info;
- if ((cred = prepare_creds())) {
- cred->group_info = ginfo;
- commit_creds(cred);
- }
- task_unlock(current);
- }
-}
-
-static void pop_group_info(struct lvfs_run_ctxt *save,
- struct group_info *ginfo)
-{
- if (!ginfo) {
- current_ngroups = save->ngroups;
- } else {
- struct cred *cred;
- task_lock(current);
- if ((cred = prepare_creds())) {
- cred->group_info = save->group_info;
- commit_creds(cred);
- }
- task_unlock(current);
- }
-}
-
-/* push / pop to root of obd store */
-void push_ctxt(struct lvfs_run_ctxt *save, struct lvfs_run_ctxt *new_ctx,
- struct lvfs_ucred *uc)
-{
- /* if there is underlaying dt_device then push_ctxt is not needed */
- if (new_ctx->dt != NULL)
- return;
-
- //ASSERT_NOT_KERNEL_CTXT("already in kernel context!\n");
- ASSERT_CTXT_MAGIC(new_ctx->magic);
- OBD_SET_CTXT_MAGIC(save);
-
- save->fs = get_fs();
- LASSERT(d_refcount(current->fs->pwd.dentry));
- LASSERT(d_refcount(new_ctx->pwd));
- save->pwd = dget(current->fs->pwd.dentry);
- save->pwdmnt = mntget(current->fs->pwd.mnt);
- save->luc.luc_umask = current_umask();
- save->ngroups = current_cred()->group_info->ngroups;
-
- LASSERT(save->pwd);
- LASSERT(save->pwdmnt);
- LASSERT(new_ctx->pwd);
- LASSERT(new_ctx->pwdmnt);
-
- if (uc) {
- struct cred *cred;
- save->luc.luc_uid = current_uid();
- save->luc.luc_gid = current_gid();
- save->luc.luc_fsuid = current_fsuid();
- save->luc.luc_fsgid = current_fsgid();
- save->luc.luc_cap = current_cap();
-
- if ((cred = prepare_creds())) {
- cred->uid = uc->luc_uid;
- cred->gid = uc->luc_gid;
- cred->fsuid = uc->luc_fsuid;
- cred->fsgid = uc->luc_fsgid;
- cred->cap_effective = uc->luc_cap;
- commit_creds(cred);
- }
-
- push_group_info(save,
- uc->luc_ginfo ?:
- uc->luc_identity ? uc->luc_identity->mi_ginfo :
- NULL);
- }
- current->fs->umask = 0; /* umask already applied on client */
- set_fs(new_ctx->fs);
- ll_set_fs_pwd(current->fs, new_ctx->pwdmnt, new_ctx->pwd);
-}
-EXPORT_SYMBOL(push_ctxt);
-
-void pop_ctxt(struct lvfs_run_ctxt *saved, struct lvfs_run_ctxt *new_ctx,
- struct lvfs_ucred *uc)
-{
- /* if there is underlaying dt_device then pop_ctxt is not needed */
- if (new_ctx->dt != NULL)
- return;
-
- ASSERT_CTXT_MAGIC(saved->magic);
- ASSERT_KERNEL_CTXT("popping non-kernel context!\n");
-
- LASSERTF(current->fs->pwd.dentry == new_ctx->pwd, "%p != %p\n",
- current->fs->pwd.dentry, new_ctx->pwd);
- LASSERTF(current->fs->pwd.mnt == new_ctx->pwdmnt, "%p != %p\n",
- current->fs->pwd.mnt, new_ctx->pwdmnt);
-
- set_fs(saved->fs);
- ll_set_fs_pwd(current->fs, saved->pwdmnt, saved->pwd);
-
- dput(saved->pwd);
- mntput(saved->pwdmnt);
- current->fs->umask = saved->luc.luc_umask;
- if (uc) {
- struct cred *cred;
- if ((cred = prepare_creds())) {
- cred->uid = saved->luc.luc_uid;
- cred->gid = saved->luc.luc_gid;
- cred->fsuid = saved->luc.luc_fsuid;
- cred->fsgid = saved->luc.luc_fsgid;
- cred->cap_effective = saved->luc.luc_cap;
- commit_creds(cred);
- }
-
- pop_group_info(saved,
- uc->luc_ginfo ?:
- uc->luc_identity ? uc->luc_identity->mi_ginfo :
- NULL);
- }
-}
-EXPORT_SYMBOL(pop_ctxt);
-
-/* utility to rename a file */
-int lustre_rename(struct dentry *dir, struct vfsmount *mnt,
- char *oldname, char *newname)
-{
- struct dentry *dchild_old, *dchild_new;
- int err = 0;
- ENTRY;
-
- ASSERT_KERNEL_CTXT("kernel doing rename outside kernel context\n");
- CDEBUG(D_INODE, "renaming file %.*s to %.*s\n",
- (int)strlen(oldname), oldname, (int)strlen(newname), newname);
-
- dchild_old = ll_lookup_one_len(oldname, dir, strlen(oldname));
- if (IS_ERR(dchild_old))
- RETURN(PTR_ERR(dchild_old));
-
- if (!dchild_old->d_inode)
- GOTO(put_old, err = -ENOENT);
-
- dchild_new = ll_lookup_one_len(newname, dir, strlen(newname));
- if (IS_ERR(dchild_new))
- GOTO(put_old, err = PTR_ERR(dchild_new));
-
- err = vfs_rename(dir->d_inode, dchild_old, dir->d_inode, dchild_new);
-
- dput(dchild_new);
-put_old:
- dput(dchild_old);
- RETURN(err);
-}
-EXPORT_SYMBOL(lustre_rename);
-
-/* Note: dput(dchild) will *not* be called if there is an error */
-struct l_file *l_dentry_open(struct lvfs_run_ctxt *ctxt, struct l_dentry *de,
- int flags)
-{
- struct path path = {
- .dentry = de,
- .mnt = ctxt->pwdmnt,
- };
- return ll_dentry_open(&path, flags, current_cred());
-}
-EXPORT_SYMBOL(l_dentry_open);
-
-#ifdef LPROCFS
-__s64 lprocfs_read_helper(struct lprocfs_counter *lc,
- struct lprocfs_counter_header *header,
- enum lprocfs_stats_flags flags,
- enum lprocfs_fields_flags field)
-{
- __s64 ret = 0;
-
- if (lc == NULL || header == NULL)
- RETURN(0);
-
- switch (field) {
- case LPROCFS_FIELDS_FLAGS_CONFIG:
- ret = header->lc_config;
- break;
- case LPROCFS_FIELDS_FLAGS_SUM:
- ret = lc->lc_sum;
- if ((flags & LPROCFS_STATS_FLAG_IRQ_SAFE) != 0)
- ret += lc->lc_sum_irq;
- break;
- case LPROCFS_FIELDS_FLAGS_MIN:
- ret = lc->lc_min;
- break;
- case LPROCFS_FIELDS_FLAGS_MAX:
- ret = lc->lc_max;
- break;
- case LPROCFS_FIELDS_FLAGS_AVG:
- ret = (lc->lc_max - lc->lc_min) / 2;
- break;
- case LPROCFS_FIELDS_FLAGS_SUMSQUARE:
- ret = lc->lc_sumsquare;
- break;
- case LPROCFS_FIELDS_FLAGS_COUNT:
- ret = lc->lc_count;
- break;
- default:
- break;
- };
-
- RETURN(ret);
-}
-EXPORT_SYMBOL(lprocfs_read_helper);
-#endif /* LPROCFS */
-
-MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
-MODULE_DESCRIPTION("Lustre VFS Filesystem Helper v0.1");
-MODULE_LICENSE("GPL");
default: all
-obdclass-all-objs := llog.o llog_cat.o llog_obd.o llog_swab.o
+obdclass-all-objs := llog.o llog_cat.o llog_obd.o llog_swab.o llog_osd.o
obdclass-all-objs += class_obd.o debug.o genops.o uuid.o llog_ioctl.o
-obdclass-all-objs += lprocfs_status.o lustre_handles.o lustre_peer.o
-obdclass-all-objs += llog_osd.o local_storage.o
+obdclass-all-objs += lprocfs_status.o lprocfs_counters.o
+obdclass-all-objs += lustre_handles.o lustre_peer.o local_storage.o
obdclass-all-objs += statfs_pack.o obdo.o obd_config.o obd_mount.o mea.o
obdclass-all-objs += lu_object.o dt_object.o capa.o
obdclass-all-objs += cl_object.o cl_page.o cl_lock.o cl_io.o lu_ref.o
liblustreclass_a_SOURCES = class_obd.c debug.c genops.c statfs_pack.c mea.c uuid.c
liblustreclass_a_SOURCES += lustre_handles.c lustre_peer.c lprocfs_status.c
liblustreclass_a_SOURCES += obdo.c obd_config.c llog.c llog_obd.c llog_cat.c
-liblustreclass_a_SOURCES += llog_swab.c capa.c
+liblustreclass_a_SOURCES += llog_swab.c capa.c lprocfs_counters.c
liblustreclass_a_SOURCES += lu_object.c cl_object.c lu_ref.c
liblustreclass_a_SOURCES += cl_page.c cl_lock.c cl_io.c
liblustreclass_a_SOURCES += #llog_ioctl.c rbtree.c
lustre_handles.c lustre_peer.c obd_config.c \
obdo.c debug.c llog_ioctl.c uuid.c \
llog_swab.c llog_obd.c llog.c llog_cat.c \
- mea.c lu_object.c dt_object.c lu_ref.c
+ mea.c lu_object.c dt_object.c lu_ref.c \
+ lprocfs_counters.c
obdclass_CFLAGS := $(EXTRA_KCFLAGS)
obdclass_LDFLAGS := $(EXTRA_KLDFLAGS)
char obd_jobid_var[JOBSTATS_JOBID_VAR_MAX_LEN + 1] = JOBSTATS_DISABLE;
EXPORT_SYMBOL(obd_jobid_var);
+#ifdef LPROCFS
+struct lprocfs_stats *obd_memory = NULL;
+EXPORT_SYMBOL(obd_memory);
+#endif
+
/* Get jobid of current process by reading the environment variable
* stored in between the "env_start" & "env_end" of task struct.
*
*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
* This file is part of Lustre, http://www.lustre.org/
* Lustre is a trademark of Sun Microsystems, Inc.
*
- * lustre/lvfs/lvfs_lib.c
+ * lustre/obdclass/lprocfs_counters.c
*
- * Lustre filesystem abstraction routines
+ * Lustre lprocfs counter routines
*
- * Author: Andreas Dilger <adilger@clusterfs.com>
+ * Author: Andreas Dilger <andreas.dilger@intel.com>
*/
#ifdef __KERNEL__
#include <linux/module.h>
lprocfs_stats_unlock(stats, LPROCFS_GET_SMP_ID, &flags);
}
EXPORT_SYMBOL(lprocfs_counter_sub);
-
-int lprocfs_stats_alloc_one(struct lprocfs_stats *stats, unsigned int cpuid)
-{
- struct lprocfs_counter *cntr;
- unsigned int percpusize;
- int rc = -ENOMEM;
- unsigned long flags = 0;
- int i;
-
- LASSERT(stats->ls_percpu[cpuid] == NULL);
- LASSERT((stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) == 0);
-
- percpusize = lprocfs_stats_counter_size(stats);
- LIBCFS_ALLOC_ATOMIC(stats->ls_percpu[cpuid], percpusize);
- if (stats->ls_percpu[cpuid] != NULL) {
- rc = 0;
- if (unlikely(stats->ls_biggest_alloc_num <= cpuid)) {
- if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE)
- spin_lock_irqsave(&stats->ls_lock, flags);
- else
- spin_lock(&stats->ls_lock);
- if (stats->ls_biggest_alloc_num <= cpuid)
- stats->ls_biggest_alloc_num = cpuid + 1;
- if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) {
- spin_unlock_irqrestore(&stats->ls_lock, flags);
- } else {
- spin_unlock(&stats->ls_lock);
- }
- }
- /* initialize the ls_percpu[cpuid] non-zero counter */
- for (i = 0; i < stats->ls_num; ++i) {
- cntr = lprocfs_stats_counter_get(stats, cpuid, i);
- cntr->lc_min = LC_MIN_INIT;
- }
- }
-
- return rc;
-}
-EXPORT_SYMBOL(lprocfs_stats_alloc_one);
#endif /* LPROCFS */
}
EXPORT_SYMBOL(lprocfs_free_per_client_stats);
+int lprocfs_stats_alloc_one(struct lprocfs_stats *stats, unsigned int cpuid)
+{
+ struct lprocfs_counter *cntr;
+ unsigned int percpusize;
+ int rc = -ENOMEM;
+ unsigned long flags = 0;
+ int i;
+
+ LASSERT(stats->ls_percpu[cpuid] == NULL);
+ LASSERT((stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) == 0);
+
+ percpusize = lprocfs_stats_counter_size(stats);
+ LIBCFS_ALLOC_ATOMIC(stats->ls_percpu[cpuid], percpusize);
+ if (stats->ls_percpu[cpuid] != NULL) {
+ rc = 0;
+ if (unlikely(stats->ls_biggest_alloc_num <= cpuid)) {
+ if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE)
+ spin_lock_irqsave(&stats->ls_lock, flags);
+ else
+ spin_lock(&stats->ls_lock);
+ if (stats->ls_biggest_alloc_num <= cpuid)
+ stats->ls_biggest_alloc_num = cpuid + 1;
+ if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) {
+ spin_unlock_irqrestore(&stats->ls_lock, flags);
+ } else {
+ spin_unlock(&stats->ls_lock);
+ }
+ }
+ /* initialize the ls_percpu[cpuid] non-zero counter */
+ for (i = 0; i < stats->ls_num; ++i) {
+ cntr = lprocfs_stats_counter_get(stats, cpuid, i);
+ cntr->lc_min = LC_MIN_INIT;
+ }
+ }
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_stats_alloc_one);
+
struct lprocfs_stats *lprocfs_alloc_stats(unsigned int num,
enum lprocfs_stats_flags flags)
{
}
EXPORT_SYMBOL(lprocfs_exp_cleanup);
+__s64 lprocfs_read_helper(struct lprocfs_counter *lc,
+ struct lprocfs_counter_header *header,
+ enum lprocfs_stats_flags flags,
+ enum lprocfs_fields_flags field)
+{
+ __s64 ret = 0;
+
+ if (lc == NULL || header == NULL)
+ RETURN(0);
+
+ switch (field) {
+ case LPROCFS_FIELDS_FLAGS_CONFIG:
+ ret = header->lc_config;
+ break;
+ case LPROCFS_FIELDS_FLAGS_SUM:
+ ret = lc->lc_sum;
+ if ((flags & LPROCFS_STATS_FLAG_IRQ_SAFE) != 0)
+ ret += lc->lc_sum_irq;
+ break;
+ case LPROCFS_FIELDS_FLAGS_MIN:
+ ret = lc->lc_min;
+ break;
+ case LPROCFS_FIELDS_FLAGS_MAX:
+ ret = lc->lc_max;
+ break;
+ case LPROCFS_FIELDS_FLAGS_AVG:
+ ret = (lc->lc_max - lc->lc_min) / 2;
+ break;
+ case LPROCFS_FIELDS_FLAGS_SUMSQUARE:
+ ret = lc->lc_sumsquare;
+ break;
+ case LPROCFS_FIELDS_FLAGS_COUNT:
+ ret = lc->lc_count;
+ break;
+ default:
+ break;
+ };
+ RETURN(ret);
+}
+EXPORT_SYMBOL(lprocfs_read_helper);
+
int lprocfs_write_helper(const char *buffer, unsigned long count,
int *val)
{
#define PRINT_CMD CDEBUG
#include <obd.h>
-#include <lvfs.h>
#include <obd_class.h>
#include <lustre/lustre_user.h>
#include <linux/version.h>
#define PRINT_MASK (D_SUPER | D_CONFIG)
#include <obd.h>
-#include <lvfs.h>
#include <obd_class.h>
#include <lustre/lustre_user.h>
#include <linux/version.h>
strcpy(lsi->lsi_osd_type, LUSTRE_OSD_LDISKFS_NAME);
}
- /* XXX: a temp. solution for components using fsfilt
+ /* XXX: a temp. solution for components using ldiskfs
* to be removed in one of the subsequent patches */
if (!strcmp(lsi->lsi_lmd->lmd_osd_type, "osd-ldiskfs"))
strcpy(lsi->lsi_fstype, "ldiskfs");
__u64 last_rcvd;
/* Don't assume off is incremented properly by
- * fsfilt_read_record(), in case sizeof(*lcd)
+ * read_record(), in case sizeof(*lcd)
* isn't the same as fsd->lsd_client_size. */
off = lsd->lsd_client_start + cl_idx * lsd->lsd_client_size;
rc = tgt_client_data_read(env, &ofd->ofd_lut, lcd, &off, cl_idx);
omm = dev->od_mdt_map;
- LASSERT(dev->od_fsops);
-
parent = osd_sb(dev)->s_root;
osd_push_ctxt(dev, &new, &save);
rwlock_init(&dev->od_ost_map->om_seq_list_lock);
sema_init(&dev->od_ost_map->om_dir_init_sem, 1);
- LASSERT(dev->od_fsops);
osd_push_ctxt(dev, &new, &save);
d = ll_lookup_one_len("O", rootd, strlen("O"));
{
ENTRY;
- if (o->od_fsops) {
- fsfilt_put_ops(o->od_fsops);
- o->od_fsops = NULL;
- }
-
if (o->od_mnt != NULL) {
shrink_dcache_sb(osd_sb(o));
osd_sync(env, &o->od_dt_dev);
RETURN(-E2BIG);
strcpy(o->od_mntdev, dev);
- o->od_fsops = fsfilt_get_ops(mt_str(LDD_MT_LDISKFS));
- if (IS_ERR(o->od_fsops)) {
- CERROR("%s: Can't find fsfilt_ldiskfs\n", name);
- o->od_fsops = NULL;
- RETURN(-ENOTSUPP);
- }
-
OBD_PAGE_ALLOC(__page, GFP_IOFS);
if (__page == NULL)
GOTO(out, rc = -ENOMEM);
out:
if (__page)
OBD_PAGE_FREE(__page);
- if (rc)
- fsfilt_put_ops(o->od_fsops);
return rc;
}
#include <ldiskfs/ldiskfs.h>
#include <ldiskfs/ldiskfs_jbd2.h>
-/* fsfilt_{get|put}_ops */
-#include <lustre_fsfilt.h>
-
/* LUSTRE_OSD_NAME */
#include <obd.h>
/* class_register_type(), class_unregister_type(), class_get_type() */
struct obd_statfs od_statfs;
spinlock_t od_osfs_lock;
- struct fsfilt_operations *od_fsops;
int od_connects;
struct lu_site od_site;
RETURN(0);
}
+#ifdef HAVE_EXT_PBLOCK /* Name changed to ext4_ext_pblock for kernel 2.6.35 */
+#define ldiskfs_ext_pblock(ex) ext_pblock((ex))
+#endif
+
+struct bpointers {
+ unsigned long *blocks;
+ unsigned long start;
+ int num;
+ int init_num;
+ int create;
+};
+
+static long ldiskfs_ext_find_goal(struct inode *inode,
+ struct ldiskfs_ext_path *path,
+ unsigned long block, int *aflags)
+{
+ struct ldiskfs_inode_info *ei = LDISKFS_I(inode);
+ unsigned long bg_start;
+ unsigned long colour;
+ int depth;
+
+ if (path) {
+ struct ldiskfs_extent *ex;
+ depth = path->p_depth;
+
+ /* try to predict block placement */
+ if ((ex = path[depth].p_ext))
+ return ldiskfs_ext_pblock(ex) +
+ (block - le32_to_cpu(ex->ee_block));
+
+ /* it looks index is empty
+ * try to find starting from index itself */
+ if (path[depth].p_bh)
+ return path[depth].p_bh->b_blocknr;
+ }
+
+ /* OK. use inode's group */
+ bg_start = (ei->i_block_group * LDISKFS_BLOCKS_PER_GROUP(inode->i_sb)) +
+ le32_to_cpu(LDISKFS_SB(inode->i_sb)->s_es->s_first_data_block);
+ colour = (current->pid % 16) *
+ (LDISKFS_BLOCKS_PER_GROUP(inode->i_sb) / 16);
+ return bg_start + colour + block;
+}
+
+static unsigned long new_blocks(handle_t *handle, struct inode *inode,
+ struct ldiskfs_ext_path *path,
+ unsigned long block, unsigned long *count,
+ int *err)
+{
+ struct ldiskfs_allocation_request ar;
+ unsigned long pblock;
+ int aflags;
+
+ /* find neighbour allocated blocks */
+ ar.lleft = block;
+ *err = ldiskfs_ext_search_left(inode, path, &ar.lleft, &ar.pleft);
+ if (*err)
+ return 0;
+ ar.lright = block;
+ *err = ldiskfs_ext_search_right(inode, path, &ar.lright, &ar.pright);
+ if (*err)
+ return 0;
+
+ /* allocate new block */
+ ar.goal = ldiskfs_ext_find_goal(inode, path, block, &aflags);
+ ar.inode = inode;
+ ar.logical = block;
+ ar.len = *count;
+ ar.flags = LDISKFS_MB_HINT_DATA;
+ pblock = ldiskfs_mb_new_blocks(handle, &ar, err);
+ *count = ar.len;
+ return pblock;
+}
+
+static int ldiskfs_ext_new_extent_cb(struct inode *inode,
+ struct ldiskfs_ext_path *path,
+ struct ldiskfs_ext_cache *cex,
+#ifdef HAVE_EXT_PREPARE_CB_EXTENT
+ struct ldiskfs_extent *ex,
+#endif
+ void *cbdata)
+{
+ struct bpointers *bp = cbdata;
+ struct ldiskfs_extent nex;
+ unsigned long pblock;
+ unsigned long tgen;
+ int err, i;
+ unsigned long count;
+ handle_t *handle;
+
+#ifdef LDISKFS_EXT_CACHE_EXTENT /* until kernel 2.6.37 */
+ if (cex->ec_type == LDISKFS_EXT_CACHE_EXTENT) {
+#else
+ if ((cex->ec_len != 0) && (cex->ec_start != 0)) {
+#endif
+ err = EXT_CONTINUE;
+ goto map;
+ }
+
+ if (bp->create == 0) {
+ i = 0;
+ if (cex->ec_block < bp->start)
+ i = bp->start - cex->ec_block;
+ if (i >= cex->ec_len)
+ CERROR("nothing to do?! i = %d, e_num = %u\n",
+ i, cex->ec_len);
+ for (; i < cex->ec_len && bp->num; i++) {
+ *(bp->blocks) = 0;
+ bp->blocks++;
+ bp->num--;
+ bp->start++;
+ }
+
+ return EXT_CONTINUE;
+ }
+
+ tgen = LDISKFS_I(inode)->i_ext_generation;
+ count = ldiskfs_ext_calc_credits_for_insert(inode, path);
+
+ handle = ldiskfs_journal_start(inode, count + LDISKFS_ALLOC_NEEDED + 1);
+ if (IS_ERR(handle)) {
+ return PTR_ERR(handle);
+ }
+
+ if (tgen != LDISKFS_I(inode)->i_ext_generation) {
+ /* the tree has changed. so path can be invalid at moment */
+ ldiskfs_journal_stop(handle);
+ return EXT_REPEAT;
+ }
+
+ /* In 2.6.32 kernel, ldiskfs_ext_walk_space()'s callback func is not
+ * protected by i_data_sem as whole. so we patch it to store
+ * generation to path and now verify the tree hasn't changed */
+ down_write((&LDISKFS_I(inode)->i_data_sem));
+
+ /* validate extent, make sure the extent tree does not changed */
+ if (LDISKFS_I(inode)->i_ext_generation != path[0].p_generation) {
+ /* cex is invalid, try again */
+ up_write(&LDISKFS_I(inode)->i_data_sem);
+ ldiskfs_journal_stop(handle);
+ return EXT_REPEAT;
+ }
+
+ count = cex->ec_len;
+ pblock = new_blocks(handle, inode, path, cex->ec_block, &count, &err);
+ if (!pblock)
+ goto out;
+ BUG_ON(count > cex->ec_len);
+
+ /* insert new extent */
+ nex.ee_block = cpu_to_le32(cex->ec_block);
+ ldiskfs_ext_store_pblock(&nex, pblock);
+ nex.ee_len = cpu_to_le16(count);
+ err = ldiskfs_ext_insert_extent(handle, inode, path, &nex, 0);
+ if (err) {
+ /* free data blocks we just allocated */
+ /* not a good idea to call discard here directly,
+ * but otherwise we'd need to call it every free() */
+ ldiskfs_discard_preallocations(inode);
+#ifdef HAVE_EXT_FREE_BLOCK_WITH_BUFFER_HEAD /* Introduced in 2.6.32-rc7 */
+ ldiskfs_free_blocks(handle, inode, NULL, ldiskfs_ext_pblock(&nex),
+ cpu_to_le16(nex.ee_len), 0);
+#else
+ ldiskfs_free_blocks(handle, inode, ldiskfs_ext_pblock(&nex),
+ cpu_to_le16(nex.ee_len), 0);
+#endif
+ goto out;
+ }
+
+ /*
+ * Putting len of the actual extent we just inserted,
+ * we are asking ldiskfs_ext_walk_space() to continue
+ * scaning after that block
+ */
+ cex->ec_len = le16_to_cpu(nex.ee_len);
+ cex->ec_start = ldiskfs_ext_pblock(&nex);
+ BUG_ON(le16_to_cpu(nex.ee_len) == 0);
+ BUG_ON(le32_to_cpu(nex.ee_block) != cex->ec_block);
+
+out:
+ up_write((&LDISKFS_I(inode)->i_data_sem));
+ ldiskfs_journal_stop(handle);
+map:
+ if (err >= 0) {
+ /* map blocks */
+ if (bp->num == 0) {
+ CERROR("hmm. why do we find this extent?\n");
+ CERROR("initial space: %lu:%u\n",
+ bp->start, bp->init_num);
+#ifdef LDISKFS_EXT_CACHE_EXTENT /* until kernel 2.6.37 */
+ CERROR("current extent: %u/%u/%llu %d\n",
+ cex->ec_block, cex->ec_len,
+ (unsigned long long)cex->ec_start,
+ cex->ec_type);
+#else
+ CERROR("current extent: %u/%u/%llu\n",
+ cex->ec_block, cex->ec_len,
+ (unsigned long long)cex->ec_start);
+#endif
+ }
+ i = 0;
+ if (cex->ec_block < bp->start)
+ i = bp->start - cex->ec_block;
+ if (i >= cex->ec_len)
+ CERROR("nothing to do?! i = %d, e_num = %u\n",
+ i, cex->ec_len);
+ for (; i < cex->ec_len && bp->num; i++) {
+ *(bp->blocks) = cex->ec_start + i;
+#ifdef LDISKFS_EXT_CACHE_EXTENT /* until kernel 2.6.37 */
+ if (cex->ec_type != LDISKFS_EXT_CACHE_EXTENT) {
+#else
+ if ((cex->ec_len == 0) || (cex->ec_start == 0)) {
+#endif
+ /* unmap any possible underlying metadata from
+ * the block device mapping. bug 6998. */
+ unmap_underlying_metadata(inode->i_sb->s_bdev,
+ *(bp->blocks));
+ }
+ bp->blocks++;
+ bp->num--;
+ bp->start++;
+ }
+ }
+ return err;
+}
+
+int osd_ldiskfs_map_nblocks(struct inode *inode, unsigned long block,
+ unsigned long num, unsigned long *blocks,
+ int create)
+{
+ struct bpointers bp;
+ int err;
+
+ CDEBUG(D_OTHER, "blocks %lu-%lu requested for inode %u\n",
+ block, block + num - 1, (unsigned) inode->i_ino);
+
+ bp.blocks = blocks;
+ bp.start = block;
+ bp.init_num = bp.num = num;
+ bp.create = create;
+
+ err = ldiskfs_ext_walk_space(inode, block, num,
+ ldiskfs_ext_new_extent_cb, &bp);
+ ldiskfs_ext_invalidate_cache(inode);
+
+ return err;
+}
+
+int osd_ldiskfs_map_ext_inode_pages(struct inode *inode, struct page **page,
+ int pages, unsigned long *blocks,
+ int create)
+{
+ int blocks_per_page = PAGE_CACHE_SIZE >> inode->i_blkbits;
+ int rc = 0, i = 0;
+ struct page *fp = NULL;
+ int clen = 0;
+
+ CDEBUG(D_OTHER, "inode %lu: map %d pages from %lu\n",
+ inode->i_ino, pages, (*page)->index);
+
+ /* pages are sorted already. so, we just have to find
+ * contig. space and process them properly */
+ while (i < pages) {
+ if (fp == NULL) {
+ /* start new extent */
+ fp = *page++;
+ clen = 1;
+ i++;
+ continue;
+ } else if (fp->index + clen == (*page)->index) {
+ /* continue the extent */
+ page++;
+ clen++;
+ i++;
+ continue;
+ }
+
+ /* process found extent */
+ rc = osd_ldiskfs_map_nblocks(inode, fp->index * blocks_per_page,
+ clen * blocks_per_page, blocks,
+ create);
+ if (rc)
+ GOTO(cleanup, rc);
+
+ /* look for next extent */
+ fp = NULL;
+ blocks += blocks_per_page * clen;
+ }
+
+ if (fp)
+ rc = osd_ldiskfs_map_nblocks(inode, fp->index * blocks_per_page,
+ clen * blocks_per_page, blocks,
+ create);
+cleanup:
+ return rc;
+}
+
+int osd_ldiskfs_map_bm_inode_pages(struct inode *inode, struct page **page,
+ int pages, unsigned long *blocks,
+ int create)
+{
+ int blocks_per_page = PAGE_CACHE_SIZE >> inode->i_blkbits;
+ unsigned long *b;
+ int rc = 0, i;
+
+ for (i = 0, b = blocks; i < pages; i++, page++) {
+ rc = ldiskfs_map_inode_page(inode, *page, b, create);
+ if (rc) {
+ CERROR("ino %lu, blk %lu create %d: rc %d\n",
+ inode->i_ino, *b, create, rc);
+ break;
+ }
+
+ b += blocks_per_page;
+ }
+ return rc;
+}
+
+static int osd_ldiskfs_map_inode_pages(struct inode *inode, struct page **page,
+ int pages, unsigned long *blocks,
+ int create, struct mutex *optional_mutex)
+{
+ int rc;
+
+ if (LDISKFS_I(inode)->i_flags & LDISKFS_EXTENTS_FL) {
+ rc = osd_ldiskfs_map_ext_inode_pages(inode, page, pages,
+ blocks, create);
+ return rc;
+ }
+ if (optional_mutex != NULL)
+ mutex_lock(optional_mutex);
+ rc = osd_ldiskfs_map_bm_inode_pages(inode, page, pages, blocks, create);
+ if (optional_mutex != NULL)
+ mutex_unlock(optional_mutex);
+
+ return rc;
+}
+
static int osd_write_prep(const struct lu_env *env, struct dt_object *dt,
struct niobuf_local *lnb, int npages)
{
lprocfs_counter_add(osd->od_stats, LPROC_OSD_GET_PAGE, timediff);
if (iobuf->dr_npages) {
- rc = osd->od_fsops->fs_map_inode_pages(inode, iobuf->dr_pages,
- iobuf->dr_npages,
- iobuf->dr_blocks,
- 0, NULL);
+ rc = osd_ldiskfs_map_inode_pages(inode, iobuf->dr_pages,
+ iobuf->dr_npages,
+ iobuf->dr_blocks,
+ 0, NULL);
if (likely(rc == 0)) {
rc = osd_do_bio(osd, inode, iobuf);
/* do IO stats for preparation reads */
if (OBD_FAIL_CHECK(OBD_FAIL_OST_MAPBLK_ENOSPC)) {
rc = -ENOSPC;
} else if (iobuf->dr_npages > 0) {
- rc = osd->od_fsops->fs_map_inode_pages(inode, iobuf->dr_pages,
- iobuf->dr_npages,
- iobuf->dr_blocks,
- 1, NULL);
+ rc = osd_ldiskfs_map_inode_pages(inode, iobuf->dr_pages,
+ iobuf->dr_npages,
+ iobuf->dr_blocks,
+ 1, NULL);
} else {
/* no pages to write, no transno is needed */
thandle->th_local = 1;
lprocfs_counter_add(osd->od_stats, LPROC_OSD_GET_PAGE, timediff);
if (iobuf->dr_npages) {
- rc = osd->od_fsops->fs_map_inode_pages(inode, iobuf->dr_pages,
- iobuf->dr_npages,
- iobuf->dr_blocks,
- 0, NULL);
+ rc = osd_ldiskfs_map_inode_pages(inode, iobuf->dr_pages,
+ iobuf->dr_npages,
+ iobuf->dr_blocks,
+ 0, NULL);
rc = osd_do_bio(osd, inode, iobuf);
/* IO stats will be done in osd_bufs_put() */
ptlrpc_objs += events.o ptlrpc_module.o service.o pinger.o
ptlrpc_objs += llog_net.o llog_client.o llog_server.o import.o ptlrpcd.o
ptlrpc_objs += pers.o lproc_ptlrpc.o wiretest.o layout.o
-ptlrpc_objs += sec.o sec_bulk.o sec_gc.o sec_config.o sec_lproc.o
+ptlrpc_objs += sec.o sec_ctx.o sec_bulk.o sec_gc.o sec_config.o sec_lproc.o
ptlrpc_objs += sec_null.o sec_plain.o nrs.o nrs_fifo.o nrs_crr.o nrs_orr.o
ptlrpc_objs += errno.o
$(top_srcdir)/lustre/ldlm/ldlm_pool.c
COMMON_SOURCES = client.c recover.c connection.c niobuf.c pack_generic.c \
- events.c ptlrpc_module.c service.c pinger.c llog_net.c \
+ events.c ptlrpc_module.c service.c pinger.c llog_net.c sec_ctx.c \
llog_client.c llog_server.c import.c ptlrpcd.c pers.c wiretest.c \
ptlrpc_internal.h layout.c sec.c sec_bulk.c sec_gc.c sec_config.c \
sec_lproc.c sec_null.c sec_plain.c lproc_ptlrpc.c nrs.c nrs_fifo.c \
--- /dev/null
+/*
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * This program 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 version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ *
+ * http://www.gnu.org/licenses/gpl-2.0.html
+ *
+ * GPL HEADER END
+ */
+#ifdef __KERNEL__
+
+#define DEBUG_SUBSYSTEM S_FILTER
+
+#include <linux/version.h>
+#include <linux/fs.h>
+#include <asm/unistd.h>
+#include <linux/slab.h>
+#include <linux/pagemap.h>
+#include <linux/quotaops.h>
+#include <linux/version.h>
+#include <libcfs/libcfs.h>
+#include <obd.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/lustre_compat25.h>
+#include <lvfs.h>
+
+#include <obd.h>
+#include <lustre_lib.h>
+
+/* refine later and change to seqlock or simlar from libcfs */
+/* Debugging check only needed during development */
+#ifdef OBD_CTXT_DEBUG
+# define ASSERT_CTXT_MAGIC(magic) LASSERT((magic) == OBD_RUN_CTXT_MAGIC)
+# define ASSERT_NOT_KERNEL_CTXT(msg) LASSERTF(!segment_eq(get_fs(), get_ds()),\
+ msg)
+# define ASSERT_KERNEL_CTXT(msg) LASSERTF(segment_eq(get_fs(), get_ds()), msg)
+#else
+# define ASSERT_CTXT_MAGIC(magic) do {} while(0)
+# define ASSERT_NOT_KERNEL_CTXT(msg) do {} while(0)
+# define ASSERT_KERNEL_CTXT(msg) do {} while(0)
+#endif
+
+static void push_group_info(struct lvfs_run_ctxt *save,
+ struct group_info *ginfo)
+{
+ if (!ginfo) {
+ save->ngroups = current_ngroups;
+ current_ngroups = 0;
+ } else {
+ struct cred *cred;
+ task_lock(current);
+ save->group_info = current_cred()->group_info;
+ if ((cred = prepare_creds())) {
+ cred->group_info = ginfo;
+ commit_creds(cred);
+ }
+ task_unlock(current);
+ }
+}
+
+static void pop_group_info(struct lvfs_run_ctxt *save,
+ struct group_info *ginfo)
+{
+ if (!ginfo) {
+ current_ngroups = save->ngroups;
+ } else {
+ struct cred *cred;
+ task_lock(current);
+ if ((cred = prepare_creds())) {
+ cred->group_info = save->group_info;
+ commit_creds(cred);
+ }
+ task_unlock(current);
+ }
+}
+
+/* push / pop to root of obd store */
+void push_ctxt(struct lvfs_run_ctxt *save, struct lvfs_run_ctxt *new_ctx,
+ struct lvfs_ucred *uc)
+{
+ /* if there is underlaying dt_device then push_ctxt is not needed */
+ if (new_ctx->dt != NULL)
+ return;
+
+ //ASSERT_NOT_KERNEL_CTXT("already in kernel context!\n");
+ ASSERT_CTXT_MAGIC(new_ctx->magic);
+ OBD_SET_CTXT_MAGIC(save);
+
+ save->fs = get_fs();
+ LASSERT(d_refcount(current->fs->pwd.dentry));
+ LASSERT(d_refcount(new_ctx->pwd));
+ save->pwd = dget(current->fs->pwd.dentry);
+ save->pwdmnt = mntget(current->fs->pwd.mnt);
+ save->luc.luc_umask = current_umask();
+ save->ngroups = current_cred()->group_info->ngroups;
+
+ LASSERT(save->pwd);
+ LASSERT(save->pwdmnt);
+ LASSERT(new_ctx->pwd);
+ LASSERT(new_ctx->pwdmnt);
+
+ if (uc) {
+ struct cred *cred;
+ save->luc.luc_uid = current_uid();
+ save->luc.luc_gid = current_gid();
+ save->luc.luc_fsuid = current_fsuid();
+ save->luc.luc_fsgid = current_fsgid();
+ save->luc.luc_cap = current_cap();
+
+ if ((cred = prepare_creds())) {
+ cred->uid = uc->luc_uid;
+ cred->gid = uc->luc_gid;
+ cred->fsuid = uc->luc_fsuid;
+ cred->fsgid = uc->luc_fsgid;
+ cred->cap_effective = uc->luc_cap;
+ commit_creds(cred);
+ }
+
+ push_group_info(save,
+ uc->luc_ginfo ?:
+ uc->luc_identity ? uc->luc_identity->mi_ginfo :
+ NULL);
+ }
+ current->fs->umask = 0; /* umask already applied on client */
+ set_fs(new_ctx->fs);
+ ll_set_fs_pwd(current->fs, new_ctx->pwdmnt, new_ctx->pwd);
+}
+EXPORT_SYMBOL(push_ctxt);
+
+void pop_ctxt(struct lvfs_run_ctxt *saved, struct lvfs_run_ctxt *new_ctx,
+ struct lvfs_ucred *uc)
+{
+ /* if there is underlaying dt_device then pop_ctxt is not needed */
+ if (new_ctx->dt != NULL)
+ return;
+
+ ASSERT_CTXT_MAGIC(saved->magic);
+ ASSERT_KERNEL_CTXT("popping non-kernel context!\n");
+
+ LASSERTF(current->fs->pwd.dentry == new_ctx->pwd, "%p != %p\n",
+ current->fs->pwd.dentry, new_ctx->pwd);
+ LASSERTF(current->fs->pwd.mnt == new_ctx->pwdmnt, "%p != %p\n",
+ current->fs->pwd.mnt, new_ctx->pwdmnt);
+
+ set_fs(saved->fs);
+ ll_set_fs_pwd(current->fs, saved->pwdmnt, saved->pwd);
+
+ dput(saved->pwd);
+ mntput(saved->pwdmnt);
+ current->fs->umask = saved->luc.luc_umask;
+ if (uc) {
+ struct cred *cred;
+ if ((cred = prepare_creds())) {
+ cred->uid = saved->luc.luc_uid;
+ cred->gid = saved->luc.luc_gid;
+ cred->fsuid = saved->luc.luc_fsuid;
+ cred->fsgid = saved->luc.luc_fsgid;
+ cred->cap_effective = saved->luc.luc_cap;
+ commit_creds(cred);
+ }
+
+ pop_group_info(saved,
+ uc->luc_ginfo ?:
+ uc->luc_identity ? uc->luc_identity->mi_ginfo :
+ NULL);
+ }
+}
+EXPORT_SYMBOL(pop_ctxt);
+
+/* utility to rename a file */
+int lustre_rename(struct dentry *dir, struct vfsmount *mnt,
+ char *oldname, char *newname)
+{
+ struct dentry *dchild_old, *dchild_new;
+ int err = 0;
+ ENTRY;
+
+ ASSERT_KERNEL_CTXT("kernel doing rename outside kernel context\n");
+ CDEBUG(D_INODE, "renaming file %.*s to %.*s\n",
+ (int)strlen(oldname), oldname, (int)strlen(newname), newname);
+
+ dchild_old = ll_lookup_one_len(oldname, dir, strlen(oldname));
+ if (IS_ERR(dchild_old))
+ RETURN(PTR_ERR(dchild_old));
+
+ if (!dchild_old->d_inode)
+ GOTO(put_old, err = -ENOENT);
+
+ dchild_new = ll_lookup_one_len(newname, dir, strlen(newname));
+ if (IS_ERR(dchild_new))
+ GOTO(put_old, err = PTR_ERR(dchild_new));
+
+ err = vfs_rename(dir->d_inode, dchild_old, dir->d_inode, dchild_new);
+
+ dput(dchild_new);
+put_old:
+ dput(dchild_old);
+ RETURN(err);
+}
+EXPORT_SYMBOL(lustre_rename);
+#endif /* __KERNEL__ */
ksocklnd \
kqswlnd \
ko2iblnd \
- fsfilt_ldiskfs \
obdclass \
lnet \
lvfs \
echo "Truncate succeeded."
rm -f $DIR/$tfile
}
-run_test 117 "verify fsfilt_extend =========="
+run_test 117 "verify osd extend =========="
NO_SLOW_RESENDCOUNT=4
export OLD_RESENDCOUNT=""
load_module ../lnet/lnet/lnet
LNETLND=${LNETLND:-"socklnd/ksocklnd"}
load_module ../lnet/klnds/$LNETLND
- load_module lvfs/lvfs
load_module obdclass/obdclass
load_module ptlrpc/ptlrpc
load_module ptlrpc/gss/ptlrpc_gss
modprobe zfs
load_module osd-zfs/osd_zfs
fi
- load_module mgs/mgs
- load_module mdd/mdd
if [[ $(node_fstypes $HOSTNAME) == *ldiskfs* ]]; then
- #
- # This block shall be moved up beside osd-zfs as soon
- # as osd-ldiskfs stops using mdd symbols.
- #
grep -q exportfs_decode_fh $SYMLIST ||
{ modprobe exportfs 2> /dev/null || true; }
load_module ../ldiskfs/ldiskfs
- load_module lvfs/fsfilt_ldiskfs
load_module osd-ldiskfs/osd_ldiskfs
fi
+ load_module mgs/mgs
+ load_module mdd/mdd
load_module mdt/mdt
load_module ost/ost
load_module lod/lod
git://git.whamcloud.com / fs / lustre-release.git / commitdiff