mirror of
https://github.com/torvalds/linux.git
synced 2024-11-30 16:11:38 +00:00
d75afeb3d3
Add buffer types to the buffer log items so that log recovery can validate the buffers and calculate CRCs correctly after the buffers are recovered. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Ben Myers <bpm@sgi.com> Signed-off-by: Ben Myers <bpm@sgi.com>
47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/*
|
|
* Copyright (c) 2013 Red Hat, 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_ATTR_REMOTE_H__
|
|
#define __XFS_ATTR_REMOTE_H__
|
|
|
|
#define XFS_ATTR3_RMT_MAGIC 0x5841524d /* XARM */
|
|
|
|
struct xfs_attr3_rmt_hdr {
|
|
__be32 rm_magic;
|
|
__be32 rm_offset;
|
|
__be32 rm_bytes;
|
|
__be32 rm_crc;
|
|
uuid_t rm_uuid;
|
|
__be64 rm_owner;
|
|
__be64 rm_blkno;
|
|
__be64 rm_lsn;
|
|
};
|
|
|
|
#define XFS_ATTR3_RMT_CRC_OFF offsetof(struct xfs_attr3_rmt_hdr, rm_crc)
|
|
|
|
#define XFS_ATTR3_RMT_BUF_SPACE(mp, bufsize) \
|
|
((bufsize) - (xfs_sb_version_hascrc(&(mp)->m_sb) ? \
|
|
sizeof(struct xfs_attr3_rmt_hdr) : 0))
|
|
|
|
extern const struct xfs_buf_ops xfs_attr3_rmt_buf_ops;
|
|
|
|
int xfs_attr_rmtval_get(struct xfs_da_args *args);
|
|
int xfs_attr_rmtval_set(struct xfs_da_args *args);
|
|
int xfs_attr_rmtval_remove(struct xfs_da_args *args);
|
|
|
|
#endif /* __XFS_ATTR_REMOTE_H__ */
|