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* Copyright (c) 2000-2003 Silicon Graphics, Inc. All Rights Reserved.
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* Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation.
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* This program is distributed in the hope that it would be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* Further, this software is distributed without any warranty that it is
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* free of the rightful claim of any third person regarding infringement
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* or the like. Any license provided herein, whether implied or
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* otherwise, applies only to this software file. Patent licenses, if
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* any, provided herein do not apply to combinations of this program with
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* other software, or any other product whatsoever.
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write the Free Software Foundation, Inc., 59
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* Temple Place - Suite 330, Boston MA 02111-1307, USA.
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* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
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* Mountain View, CA 94043, or:
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* For further information regarding this notice, see:
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* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
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* This program is distributed in the hope that it would be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#ifndef __XFS_LOG_H__
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#define __XFS_LOG_H__
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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#define LSN_FIELD_CYCLE(arch) (((arch)==ARCH_NOCONVERT)?1:0)
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#define LSN_FIELD_BLOCK(arch) (((arch)==ARCH_NOCONVERT)?0:1)
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#define LSN_FIELD_CYCLE(arch) (0)
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#define LSN_FIELD_BLOCK(arch) (1)
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/* get lsn fields */
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#define CYCLE_LSN(lsn,arch) (INT_GET(((uint *)&(lsn))[LSN_FIELD_CYCLE(arch)], arch))
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#define BLOCK_LSN(lsn,arch) (INT_GET(((uint *)&(lsn))[LSN_FIELD_BLOCK(arch)], arch))
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#define CYCLE_LSN(lsn) ((uint)((lsn)>>32))
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#define BLOCK_LSN(lsn) ((uint)(lsn))
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/* this is used in a spot where we might otherwise double-endian-flip */
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#define CYCLE_LSN_NOCONV(lsn,arch) (((uint *)&(lsn))[LSN_FIELD_CYCLE(arch)])
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#define CYCLE_LSN_DISK(lsn) (((uint *)&(lsn))[0])
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xfs_lsn_t _lsn_cmp(xfs_lsn_t lsn1, xfs_lsn_t lsn2, xfs_arch_t arch)
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xfs_lsn_t _lsn_cmp(xfs_lsn_t lsn1, xfs_lsn_t lsn2)
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if (CYCLE_LSN(lsn1, arch) != CYCLE_LSN(lsn2, arch))
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return (CYCLE_LSN(lsn1, arch)<CYCLE_LSN(lsn2, arch))? -999 : 999;
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if (CYCLE_LSN(lsn1) != CYCLE_LSN(lsn2))
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return (CYCLE_LSN(lsn1)<CYCLE_LSN(lsn2))? -999 : 999;
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if (BLOCK_LSN(lsn1, arch) != BLOCK_LSN(lsn2, arch))
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return (BLOCK_LSN(lsn1, arch)<BLOCK_LSN(lsn2, arch))? -999 : 999;
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if (BLOCK_LSN(lsn1) != BLOCK_LSN(lsn2))
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return (BLOCK_LSN(lsn1)<BLOCK_LSN(lsn2))? -999 : 999;
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#define XFS_LSN_CMP_ARCH(x,y,arch) _lsn_cmp(x, y, arch)
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#define XFS_LSN_CMP(x,y) XFS_LSN_CMP_ARCH(x,y,ARCH_NOCONVERT)
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#define XFS_LSN_DIFF_ARCH(x,y,arch) _lsn_cmp(x, y, arch)
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#define XFS_LSN_DIFF(x,y) XFS_LSN_DIFF_ARCH(x,y,ARCH_NOCONVERT)
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#define XFS_LSN_CMP(x,y) _lsn_cmp(x,y)
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* Macros, structures, prototypes for interface to the log manager.
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#define XFS_VOLUME 0x2
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#define XFS_LOG 0xaa
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/* Region types for iovec's i_type */
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#if defined(XFS_LOG_RES_DEBUG)
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#define XLOG_REG_TYPE_BFORMAT 1
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#define XLOG_REG_TYPE_BCHUNK 2
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#define XLOG_REG_TYPE_EFI_FORMAT 3
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#define XLOG_REG_TYPE_EFD_FORMAT 4
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#define XLOG_REG_TYPE_IFORMAT 5
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#define XLOG_REG_TYPE_ICORE 6
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#define XLOG_REG_TYPE_IEXT 7
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#define XLOG_REG_TYPE_IBROOT 8
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#define XLOG_REG_TYPE_ILOCAL 9
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#define XLOG_REG_TYPE_IATTR_EXT 10
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#define XLOG_REG_TYPE_IATTR_BROOT 11
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#define XLOG_REG_TYPE_IATTR_LOCAL 12
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#define XLOG_REG_TYPE_QFORMAT 13
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#define XLOG_REG_TYPE_DQUOT 14
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#define XLOG_REG_TYPE_QUOTAOFF 15
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#define XLOG_REG_TYPE_LRHEADER 16
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#define XLOG_REG_TYPE_UNMOUNT 17
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#define XLOG_REG_TYPE_COMMIT 18
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#define XLOG_REG_TYPE_TRANSHDR 19
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#define XLOG_REG_TYPE_MAX 19
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#if defined(XFS_LOG_RES_DEBUG)
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#define XLOG_VEC_SET_TYPE(vecp, t) ((vecp)->i_type = (t))
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#define XLOG_VEC_SET_TYPE(vecp, t)
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typedef struct xfs_log_iovec {
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xfs_caddr_t i_addr; /* beginning address of region */
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int i_len; /* length in bytes of region */
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#if defined(XFS_LOG_RES_DEBUG)
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uint i_type; /* type of region */
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} xfs_log_iovec_t;
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typedef void* xfs_log_ticket_t;
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xfs_log_ticket_t ticket,
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int xfs_log_force(struct xfs_mount *mp,
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int _xfs_log_force(struct xfs_mount *mp,
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#define xfs_log_force(mp, lsn, flags) \
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_xfs_log_force(mp, lsn, flags, NULL);
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int xfs_log_mount(struct xfs_mount *mp,
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struct xfs_buftarg *log_target,
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xfs_daddr_t start_block,
added
removed
include/xfs_log.h
