diff options
Diffstat (limited to 'sys/gnu/fs/xfs/xfs_rw.h')
-rw-r--r-- | sys/gnu/fs/xfs/xfs_rw.h | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/sys/gnu/fs/xfs/xfs_rw.h b/sys/gnu/fs/xfs/xfs_rw.h deleted file mode 100644 index 34994b9..0000000 --- a/sys/gnu/fs/xfs/xfs_rw.h +++ /dev/null @@ -1,98 +0,0 @@ -/* - * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms 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. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#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. - */ -#define XFS_FSB_TO_DB(ip,fsb) xfs_fsb_to_db(ip,fsb) -static inline xfs_daddr_t -xfs_fsb_to_db(struct xfs_inode *ip, xfs_fsblock_t fsb) -{ - return (((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))); -} -#define XFS_FSB_TO_DB_IO(io,fsb) xfs_fsb_to_db_io(io,fsb) -static inline xfs_daddr_t -xfs_fsb_to_db_io(struct xfs_iocore *io, xfs_fsblock_t fsb) -{ - return (((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. - */ -extern int xfs_write_clear_setuid(struct xfs_inode *ip); -extern int xfs_bwrite(struct xfs_mount *mp, struct xfs_buf *bp); -extern int xfs_bioerror(struct xfs_buf *bp); -extern int xfs_bioerror_relse(struct xfs_buf *bp); -extern int xfs_read_buf(struct xfs_mount *mp, xfs_buftarg_t *btp, - xfs_daddr_t blkno, int len, uint flags, - struct xfs_buf **bpp); -extern 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. - */ -extern int xfs_rwlock(bhv_desc_t *bdp, vrwlock_t write_lock); -extern void xfs_rwunlock(bhv_desc_t *bdp, vrwlock_t write_lock); -extern int xfs_setattr(bhv_desc_t *bdp, xfs_vattr_t *vap, int flags, cred_t *credp); -extern int xfs_change_file_space(bhv_desc_t *bdp, u_long cmd, xfs_flock64_t *bf, - xfs_off_t offset, cred_t *credp, int flags); -extern int xfs_set_dmattrs(bhv_desc_t *bdp, u_int evmask, u_int16_t state, - cred_t *credp); - -#endif /* __XFS_RW_H__ */ |