diff options
Diffstat (limited to 'fs/xfs/xfs_rw.h')
| -rw-r--r-- | fs/xfs/xfs_rw.h | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/fs/xfs/xfs_rw.h b/fs/xfs/xfs_rw.h deleted file mode 100644 index c8b10bf8f53..00000000000 --- a/fs/xfs/xfs_rw.h +++ /dev/null @@ -1,154 +0,0 @@ -/* - * Copyright (c) 2000-2003 Silicon Graphics, Inc. All Rights Reserved. - * - * This program 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 would be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * - * Further, this software is distributed without any warranty that it is - * free of the rightful claim of any third person regarding infringement - * or the like. Any license provided herein, whether implied or - * otherwise, applies only to this software file. Patent licenses, if - * any, provided herein do not apply to combinations of this program with - * other software, or any other product whatsoever. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, - * Mountain View, CA 94043, or: - * - * http://www.sgi.com - * - * For further information regarding this notice, see: - * - * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ - */ -#ifndef __XFS_RW_H__ -#define __XFS_RW_H__ - -struct xfs_buf; -struct xfs_inode; -struct xfs_mount; - -/* - * Maximum count of bmaps used by read and write paths. - */ -#define XFS_MAX_RW_NBMAPS 4 - -/* - * Counts of readahead buffers to use based on physical memory size. - * None of these should be more than XFS_MAX_RW_NBMAPS. - */ -#define XFS_RW_NREADAHEAD_16MB 2 -#define XFS_RW_NREADAHEAD_32MB 3 -#define XFS_RW_NREADAHEAD_K32 4 -#define XFS_RW_NREADAHEAD_K64 4 - -/* - * Maximum size of a buffer that we\'ll map. Making this - * too big will degrade performance due to the number of - * pages which need to be gathered. Making it too small - * will prevent us from doing large I/O\'s to hardware that - * needs it. - * - * This is currently set to 512 KB. - */ -#define XFS_MAX_BMAP_LEN_BB 1024 -#define XFS_MAX_BMAP_LEN_BYTES 524288 - -/* - * Convert the given file system block to a disk block. - * We have to treat it differently based on whether the - * file is a real time file or not, because the bmap code - * does. - */ -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_FSB_TO_DB) -xfs_daddr_t xfs_fsb_to_db(struct xfs_inode *ip, xfs_fsblock_t fsb); -#define XFS_FSB_TO_DB(ip,fsb) xfs_fsb_to_db(ip,fsb) -#else -#define XFS_FSB_TO_DB(ip,fsb) \ - (((ip)->i_d.di_flags & XFS_DIFLAG_REALTIME) ? \ - (xfs_daddr_t)XFS_FSB_TO_BB((ip)->i_mount, (fsb)) : \ - XFS_FSB_TO_DADDR((ip)->i_mount, (fsb))) -#endif - -#define XFS_FSB_TO_DB_IO(io,fsb) \ - (((io)->io_flags & XFS_IOCORE_RT) ? \ - XFS_FSB_TO_BB((io)->io_mount, (fsb)) : \ - XFS_FSB_TO_DADDR((io)->io_mount, (fsb))) - -/* - * Prototypes for functions in xfs_rw.c. - */ - -int -xfs_write_clear_setuid( - struct xfs_inode *ip); - -int -xfs_bwrite( - struct xfs_mount *mp, - struct xfs_buf *bp); - -int -xfs_bioerror( - struct xfs_buf *b); - -int -xfs_bioerror_relse( - struct xfs_buf *b); - -int -xfs_read_buf( - struct xfs_mount *mp, - xfs_buftarg_t *target, - xfs_daddr_t blkno, - int len, - uint flags, - struct xfs_buf **bpp); - -void -xfs_ioerror_alert( - char *func, - struct xfs_mount *mp, - xfs_buf_t *bp, - xfs_daddr_t blkno); - - -/* - * Prototypes for functions in xfs_vnodeops.c. - */ - -int -xfs_rwlock( - bhv_desc_t *bdp, - vrwlock_t write_lock); - -void -xfs_rwunlock( - bhv_desc_t *bdp, - vrwlock_t write_lock); - -int -xfs_change_file_space( - bhv_desc_t *bdp, - int cmd, - xfs_flock64_t *bf, - xfs_off_t offset, - cred_t *credp, - int flags); - -int -xfs_set_dmattrs( - bhv_desc_t *bdp, - u_int evmask, - u_int16_t state, - cred_t *credp); - -#endif /* __XFS_RW_H__ */ |
