mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-28 15:13:55 +08:00
7cd5006bdb
Add a new ioctl to describe an allocation group's geometry. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com>
33 lines
919 B
C
33 lines
919 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (c) 2018 Red Hat, Inc.
|
|
* All rights reserved.
|
|
*/
|
|
|
|
#ifndef __LIBXFS_AG_H
|
|
#define __LIBXFS_AG_H 1
|
|
|
|
struct xfs_mount;
|
|
struct xfs_trans;
|
|
|
|
struct aghdr_init_data {
|
|
/* per ag data */
|
|
xfs_agblock_t agno; /* ag to init */
|
|
xfs_extlen_t agsize; /* new AG size */
|
|
struct list_head buffer_list; /* buffer writeback list */
|
|
xfs_rfsblock_t nfree; /* cumulative new free space */
|
|
|
|
/* per header data */
|
|
xfs_daddr_t daddr; /* header location */
|
|
size_t numblks; /* size of header */
|
|
xfs_btnum_t type; /* type of btree root block */
|
|
};
|
|
|
|
int xfs_ag_init_headers(struct xfs_mount *mp, struct aghdr_init_data *id);
|
|
int xfs_ag_extend_space(struct xfs_mount *mp, struct xfs_trans *tp,
|
|
struct aghdr_init_data *id, xfs_extlen_t len);
|
|
int xfs_ag_get_geometry(struct xfs_mount *mp, xfs_agnumber_t agno,
|
|
struct xfs_ag_geometry *ageo);
|
|
|
|
#endif /* __LIBXFS_AG_H */
|