diff options
Diffstat (limited to 'fs/xfs/xfs_attr_remote.h')
| -rw-r--r-- | fs/xfs/xfs_attr_remote.h | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/fs/xfs/xfs_attr_remote.h b/fs/xfs/xfs_attr_remote.h deleted file mode 100644 index 92a8fd7977cc..000000000000 --- a/fs/xfs/xfs_attr_remote.h +++ /dev/null @@ -1,56 +0,0 @@ -/* - * 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 */ - -/* - * There is one of these headers per filesystem block in a remote attribute. - * This is done to ensure there is a 1:1 mapping between the attribute value - * length and the number of blocks needed to store the attribute. This makes the - * verification of a buffer a little more complex, but greatly simplifies the - * allocation, reading and writing of these attributes as we don't have to guess - * the number of blocks needed to store the attribute data. - */ -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_attr3_rmt_blocks(struct xfs_mount *mp, int attrlen); - -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__ */ |
