X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Finclude%2Flinux%2Flustre_fsfilt.h;h=94fc528dbe680716fbc30cf0deb881591f34ae22;hb=cdd074330a08c1ec0f4701aaa685447ca1576e9f;hp=8446e5b12527dcdabd787072c7c64df30ed317e7;hpb=c5050e412572b00cbe93d8517d2d1f767bebfa92;p=fs%2Flustre-release.git diff --git a/lustre/include/linux/lustre_fsfilt.h b/lustre/include/linux/lustre_fsfilt.h index 8446e5b..94fc528 100644 --- a/lustre/include/linux/lustre_fsfilt.h +++ b/lustre/include/linux/lustre_fsfilt.h @@ -1,73 +1,70 @@ -/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- - * vim:expandtab:shiftwidth=8:tabstop=8: +/* + * GPL HEADER START * - * Copyright (C) 2001 Cluster File Systems, Inc. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * - * This file is part of Lustre, http://www.lustre.org. + * 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. * - * Lustre 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. + * 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). * - * Lustre 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 + * version 2 along with this program; If not, see + * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf * - * You should have received a copy of the GNU General Public License - * along with Lustre; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * 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. * - * Filesystem interface helper. + * GPL HEADER END + */ +/* + * Copyright (c) 2002, 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/linux/lustre_fsfilt.h + * + * Filesystem interface helper. + */ + +#ifndef _LINUX_LUSTRE_FSFILT_H +#define _LINUX_LUSTRE_FSFILT_H #ifndef _LUSTRE_FSFILT_H -#define _LUSTRE_FSFILT_H +#error Do not #include this file directly. #include instead +#endif #ifdef __KERNEL__ -#include -#include +#include +#include typedef void (*fsfilt_cb_t)(struct obd_device *obd, __u64 last_rcvd, void *data, int error); -struct fsfilt_objinfo { - struct dentry *fso_dentry; - int fso_bufcnt; -}; - struct fsfilt_operations { - struct list_head fs_list; - struct module *fs_owner; + cfs_list_t fs_list; + cfs_module_t *fs_owner; char *fs_type; - void *(* fs_start)(struct inode *inode, int op, void *desc_private); - void *(* fs_brw_start)(int objcount, struct fsfilt_objinfo *fso, - int niocount, void *desc_private); + char *(* fs_getlabel)(struct super_block *sb); + void *(* fs_start)(struct inode *inode, int op, void *desc_private, + int logs); int (* fs_commit)(struct inode *inode, void *handle,int force_sync); - int (* fs_commit_async)(struct inode *inode, void *handle, - void **wait_handle); - int (* fs_commit_wait)(struct inode *inode, void *handle); - int (* fs_setattr)(struct dentry *dentry, void *handle, - struct iattr *iattr, int do_trunc); - int (* fs_iocontrol)(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg); - int (* fs_set_md)(struct inode *inode, void *handle, void *md, - int size); - int (* fs_get_md)(struct inode *inode, void *md, int size); - ssize_t (* fs_readpage)(struct file *file, char *buf, size_t count, - loff_t *offset); - int (* fs_add_journal_cb)(struct obd_device *obd, __u64 last_rcvd, - void *handle, fsfilt_cb_t cb_func, - void *cb_data); - int (* fs_statfs)(struct super_block *sb, struct obd_statfs *osfs); - int (* fs_sync)(struct super_block *sb); - int (* fs_map_inode_page)(struct inode *inode, struct page *page, - unsigned long *blocks, int *created, - int create); - int (* fs_prep_san_write)(struct inode *inode, long *blocks, - int nblocks, loff_t newsize); + int (* fs_map_inode_pages)(struct inode *inode, struct page **page, + int pages, unsigned long *blocks, + int *created, int create, + struct mutex *sem); int (* fs_write_record)(struct file *, void *, int size, loff_t *, int force_sync); int (* fs_read_record)(struct file *, void *, int size, loff_t *); @@ -79,63 +76,70 @@ 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_OP_UNLINK 1 -#define FSFILT_OP_RMDIR 2 -#define FSFILT_OP_RENAME 3 -#define FSFILT_OP_CREATE 4 -#define FSFILT_OP_MKDIR 5 -#define FSFILT_OP_SYMLINK 6 -#define FSFILT_OP_MKNOD 7 -#define FSFILT_OP_SETATTR 8 -#define FSFILT_OP_LINK 9 -#define FSFILT_OP_CREATE_LOG 10 -#define FSFILT_OP_UNLINK_LOG 11 - -static inline void *fsfilt_start(struct obd_device *obd, struct inode *inode, - int op, struct obd_trans_info *oti) -{ - unsigned long now = jiffies; - void *parent_handle = oti ? oti->oti_handle : NULL; - void *handle = obd->obd_fsops->fs_start(inode, op, parent_handle); - CDEBUG(D_HA, "started handle %p (%p)\n", handle, parent_handle); - - if (oti != NULL) { - if (parent_handle == NULL) { - oti->oti_handle = handle; - } else if (handle != parent_handle) { - CERROR("mismatch: parent %p, handle %p, oti %p\n", - parent_handle, handle, oti->oti_handle); - LBUG(); - } - } - if (time_after(jiffies, now + 15 * HZ)) - CERROR("long journal start time %lus\n", (jiffies - now) / HZ); - return handle; -} - -static inline void *fsfilt_brw_start(struct obd_device *obd, int objcount, - struct fsfilt_objinfo *fso, int niocount, - struct obd_trans_info *oti) +static inline char *fsfilt_get_label(struct obd_device *obd, + struct super_block *sb) +{ + if (obd->obd_fsops->fs_getlabel == NULL) + return NULL; + if (obd->obd_fsops->fs_getlabel(sb)[0] == '\0') + return NULL; + + return obd->obd_fsops->fs_getlabel(sb); +} + +#define FSFILT_OP_UNLINK 1 +#define FSFILT_OP_RMDIR 2 +#define FSFILT_OP_RENAME 3 +#define FSFILT_OP_CREATE 4 +#define FSFILT_OP_MKDIR 5 +#define FSFILT_OP_SYMLINK 6 +#define FSFILT_OP_MKNOD 7 +#define FSFILT_OP_SETATTR 8 +#define FSFILT_OP_LINK 9 +#define FSFILT_OP_CANCEL_UNLINK 10 + +#define __fsfilt_check_slow(obd, start, msg) \ +do { \ + if (cfs_time_before(jiffies, start + 15 * CFS_HZ)) \ + break; \ + else if (cfs_time_before(jiffies, start + 30 * CFS_HZ)) \ + CDEBUG(D_VFSTRACE, "%s: slow %s %lus\n", obd->obd_name, \ + msg, (jiffies-start) / CFS_HZ); \ + else if (cfs_time_before(jiffies, start + DISK_TIMEOUT * CFS_HZ)) \ + CWARN("%s: slow %s %lus\n", obd->obd_name, msg, \ + (jiffies - start) / CFS_HZ); \ + else \ + CERROR("%s: slow %s %lus\n", obd->obd_name, msg, \ + (jiffies - start) / CFS_HZ); \ +} while (0) + +#define fsfilt_check_slow(obd, start, msg) \ +do { \ + __fsfilt_check_slow(obd, start, msg); \ + start = jiffies; \ +} while (0) + +static inline void *fsfilt_start_log(struct obd_device *obd, + struct inode *inode, int op, + struct obd_trans_info *oti, int logs) { unsigned long now = jiffies; void *parent_handle = oti ? oti->oti_handle : NULL; void *handle; - handle = obd->obd_fsops->fs_brw_start(objcount, fso, niocount, - parent_handle); - CDEBUG(D_HA, "started handle %p (%p)\n", handle, parent_handle); + handle = obd->obd_fsops->fs_start(inode, op, parent_handle, logs); + CDEBUG(D_INFO, "started handle %p (%p)\n", handle, parent_handle); if (oti != NULL) { if (parent_handle == NULL) { oti->oti_handle = handle; } else if (handle != parent_handle) { CERROR("mismatch: parent %p, handle %p, oti %p\n", - parent_handle, handle, oti->oti_handle); + parent_handle, handle, oti); LBUG(); } } - if (time_after(jiffies, now + 15 * HZ)) - CERROR("long journal start time %lus\n", (jiffies - now) / HZ); + fsfilt_check_slow(obd, now, "journal start"); return handle; } @@ -144,109 +148,21 @@ static inline int fsfilt_commit(struct obd_device *obd, struct inode *inode, { unsigned long now = jiffies; int rc = obd->obd_fsops->fs_commit(inode, handle, force_sync); - CDEBUG(D_HA, "committing handle %p\n", handle); - if (time_after(jiffies, now + 15 * HZ)) - CERROR("long journal start time %lus\n", (jiffies - now) / HZ); - return rc; -} + CDEBUG(D_INFO, "committing handle %p\n", handle); -static inline int fsfilt_commit_async(struct obd_device *obd, - struct inode *inode, - void *handle, - void **wait_handle) -{ - unsigned long now = jiffies; - int rc = obd->obd_fsops->fs_commit_async(inode, handle, wait_handle); - CDEBUG(D_HA, "committing handle %p (async)\n", *wait_handle); - if (time_after(jiffies, now + 15 * HZ)) - CERROR("long journal start time %lus\n", (jiffies - now) / HZ); - return rc; -} + fsfilt_check_slow(obd, now, "journal start"); -static inline int fsfilt_commit_wait(struct obd_device *obd, struct inode *inode, - void *handle) -{ - unsigned long now = jiffies; - int rc = obd->obd_fsops->fs_commit_wait(inode, handle); - CDEBUG(D_HA, "waiting for completion %p\n", handle); - if (time_after(jiffies, now + 15 * HZ)) - CERROR("long journal start time %lus\n", (jiffies - now) / HZ); return rc; } -static inline int fsfilt_setattr(struct obd_device *obd, struct dentry *dentry, - void *handle, struct iattr *iattr,int do_trunc) -{ - unsigned long now = jiffies; - int rc; - rc = obd->obd_fsops->fs_setattr(dentry, handle, iattr, do_trunc); - if (time_after(jiffies, now + 15 * HZ)) - CERROR("long setattr time %lus\n", (jiffies - now) / HZ); - return rc; -} - -static inline int fsfilt_iocontrol(struct obd_device *obd, struct inode *inode, - struct file *file, unsigned int cmd, - unsigned long arg) -{ - return obd->obd_fsops->fs_iocontrol(inode, file, cmd, arg); -} - -static inline int fsfilt_set_md(struct obd_device *obd, struct inode *inode, - void *handle, void *md, int size) -{ - return obd->obd_fsops->fs_set_md(inode, handle, md, size); -} - -static inline int fsfilt_get_md(struct obd_device *obd, struct inode *inode, - void *md, int size) -{ - return obd->obd_fsops->fs_get_md(inode, md, size); -} - -static inline ssize_t fsfilt_readpage(struct obd_device *obd, - struct file *file, char *buf, - size_t count, loff_t *offset) -{ - return obd->obd_fsops->fs_readpage(file, buf, count, offset); -} - -static inline int fsfilt_add_journal_cb(struct obd_device *obd, __u64 last_rcvd, - void *handle, fsfilt_cb_t cb_func, - void *cb_data) -{ - return obd->obd_fsops->fs_add_journal_cb(obd, last_rcvd, handle, - cb_func, cb_data); -} - -static inline int fsfilt_statfs(struct obd_device *obd, struct super_block *sb, - struct obd_statfs *osfs) -{ - return obd->obd_fsops->fs_statfs(sb, osfs); -} - -static inline int fsfilt_sync(struct obd_device *obd, struct super_block *sb) -{ - return obd->obd_fsops->fs_sync(sb); -} - -static inline int fsfilt_map_inode_page(struct obd_device *obd, - struct inode *inode, struct page *page, - unsigned long *blocks, int *created, - int create) -{ - return obd->obd_fsops->fs_map_inode_page(inode, page, blocks, created, - create); -} - -static inline int fs_prep_san_write(struct obd_device *obd, - struct inode *inode, - long *blocks, - int nblocks, - loff_t newsize) +static inline int fsfilt_map_inode_pages(struct obd_device *obd, + struct inode *inode, + struct page **page, int pages, + unsigned long *blocks, int *created, + int create, struct mutex *mutex) { - return obd->obd_fsops->fs_prep_san_write(inode, blocks, - nblocks, newsize); + return obd->obd_fsops->fs_map_inode_pages(inode, page, pages, blocks, + created, create, mutex); } static inline int fsfilt_read_record(struct obd_device *obd, struct file *file, @@ -269,6 +185,8 @@ static inline int fsfilt_setup(struct obd_device *obd, struct super_block *fs) return 0; } + + #endif /* __KERNEL__ */ #endif