diff options
Diffstat (limited to 'fs/xfs/xfs_log_priv.h')
-rw-r--r-- | fs/xfs/xfs_log_priv.h | 167 |
1 files changed, 71 insertions, 96 deletions
diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h index a884cea82fc..4518b188ade 100644 --- a/fs/xfs/xfs_log_priv.h +++ b/fs/xfs/xfs_log_priv.h @@ -1,33 +1,19 @@ /* - * Copyright (c) 2000-2003 Silicon Graphics, Inc. All Rights Reserved. + * 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 version 2 of the GNU General Public License as + * 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. + * 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. * - * 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/ + * 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_LOG_PRIV_H__ #define __XFS_LOG_PRIV_H__ @@ -35,6 +21,7 @@ struct xfs_buf; struct ktrace; struct log; +struct xlog_ticket; struct xfs_buf_cancel; struct xfs_mount; @@ -120,77 +107,6 @@ struct xfs_mount; ((i) >> 24) #endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XLOG_GRANT_SUB_SPACE) -void xlog_grant_sub_space(struct log *log, int bytes, int type); -#define XLOG_GRANT_SUB_SPACE(log,bytes,type) \ - xlog_grant_sub_space(log,bytes,type) -#else -#define XLOG_GRANT_SUB_SPACE(log,bytes,type) \ - { \ - if (type == 'w') { \ - (log)->l_grant_write_bytes -= (bytes); \ - if ((log)->l_grant_write_bytes < 0) { \ - (log)->l_grant_write_bytes += (log)->l_logsize; \ - (log)->l_grant_write_cycle--; \ - } \ - } else { \ - (log)->l_grant_reserve_bytes -= (bytes); \ - if ((log)->l_grant_reserve_bytes < 0) { \ - (log)->l_grant_reserve_bytes += (log)->l_logsize;\ - (log)->l_grant_reserve_cycle--; \ - } \ - } \ - } -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XLOG_GRANT_ADD_SPACE) -void xlog_grant_add_space(struct log *log, int bytes, int type); -#define XLOG_GRANT_ADD_SPACE(log,bytes,type) \ - xlog_grant_add_space(log,bytes,type) -#else -#define XLOG_GRANT_ADD_SPACE(log,bytes,type) \ - { \ - if (type == 'w') { \ - (log)->l_grant_write_bytes += (bytes); \ - if ((log)->l_grant_write_bytes > (log)->l_logsize) { \ - (log)->l_grant_write_bytes -= (log)->l_logsize; \ - (log)->l_grant_write_cycle++; \ - } \ - } else { \ - (log)->l_grant_reserve_bytes += (bytes); \ - if ((log)->l_grant_reserve_bytes > (log)->l_logsize) { \ - (log)->l_grant_reserve_bytes -= (log)->l_logsize;\ - (log)->l_grant_reserve_cycle++; \ - } \ - } \ - } -#endif -#define XLOG_INS_TICKETQ(q,tic) \ - { \ - if (q) { \ - (tic)->t_next = (q); \ - (tic)->t_prev = (q)->t_prev; \ - (q)->t_prev->t_next = (tic); \ - (q)->t_prev = (tic); \ - } else { \ - (tic)->t_prev = (tic)->t_next = (tic); \ - (q) = (tic); \ - } \ - (tic)->t_flags |= XLOG_TIC_IN_Q; \ - } -#define XLOG_DEL_TICKETQ(q,tic) \ - { \ - if ((tic) == (tic)->t_next) { \ - (q) = NULL; \ - } else { \ - (q) = (tic)->t_next; \ - (tic)->t_next->t_prev = (tic)->t_prev; \ - (tic)->t_prev->t_next = (tic)->t_next; \ - } \ - (tic)->t_next = (tic)->t_prev = NULL; \ - (tic)->t_flags &= ~XLOG_TIC_IN_Q; \ - } - - #define GRANT_LOCK(log) mutex_spinlock(&(log)->l_grant_lock) #define GRANT_UNLOCK(log, s) mutex_spinunlock(&(log)->l_grant_lock, s) #define LOG_LOCK(log) mutex_spinlock(&(log)->l_icloglock) @@ -576,6 +492,65 @@ typedef struct log { * alignment mask */ } xlog_t; +#define XLOG_FORCED_SHUTDOWN(log) ((log)->l_flags & XLOG_IO_ERROR) + +#define XLOG_GRANT_SUB_SPACE(log,bytes,type) \ + { \ + if (type == 'w') { \ + (log)->l_grant_write_bytes -= (bytes); \ + if ((log)->l_grant_write_bytes < 0) { \ + (log)->l_grant_write_bytes += (log)->l_logsize; \ + (log)->l_grant_write_cycle--; \ + } \ + } else { \ + (log)->l_grant_reserve_bytes -= (bytes); \ + if ((log)->l_grant_reserve_bytes < 0) { \ + (log)->l_grant_reserve_bytes += (log)->l_logsize;\ + (log)->l_grant_reserve_cycle--; \ + } \ + } \ + } +#define XLOG_GRANT_ADD_SPACE(log,bytes,type) \ + { \ + if (type == 'w') { \ + (log)->l_grant_write_bytes += (bytes); \ + if ((log)->l_grant_write_bytes > (log)->l_logsize) { \ + (log)->l_grant_write_bytes -= (log)->l_logsize; \ + (log)->l_grant_write_cycle++; \ + } \ + } else { \ + (log)->l_grant_reserve_bytes += (bytes); \ + if ((log)->l_grant_reserve_bytes > (log)->l_logsize) { \ + (log)->l_grant_reserve_bytes -= (log)->l_logsize;\ + (log)->l_grant_reserve_cycle++; \ + } \ + } \ + } +#define XLOG_INS_TICKETQ(q, tic) \ + { \ + if (q) { \ + (tic)->t_next = (q); \ + (tic)->t_prev = (q)->t_prev; \ + (q)->t_prev->t_next = (tic); \ + (q)->t_prev = (tic); \ + } else { \ + (tic)->t_prev = (tic)->t_next = (tic); \ + (q) = (tic); \ + } \ + (tic)->t_flags |= XLOG_TIC_IN_Q; \ + } +#define XLOG_DEL_TICKETQ(q, tic) \ + { \ + if ((tic) == (tic)->t_next) { \ + (q) = NULL; \ + } else { \ + (q) = (tic)->t_next; \ + (tic)->t_next->t_prev = (tic)->t_prev; \ + (tic)->t_prev->t_next = (tic)->t_next; \ + } \ + (tic)->t_next = (tic)->t_prev = NULL; \ + (tic)->t_flags &= ~XLOG_TIC_IN_Q; \ + } /* common routines */ extern xfs_lsn_t xlog_assign_tail_lsn(struct xfs_mount *mp); |