diff options
| author | Dave Chinner <dchinner@redhat.com> | 2018-05-14 08:10:08 +0200 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2018-05-16 03:12:51 +0200 |
| commit | b16817b66b6c97d2a812d663d26faed40079892a (patch) | |
| tree | 6198b72f72902e2db460aecad7a7bf404462f357 /fs/xfs/libxfs/xfs_ag.h | |
| parent | xfs: rework secondary superblock updates in growfs (diff) | |
| download | linux-b16817b66b6c97d2a812d663d26faed40079892a.tar.xz linux-b16817b66b6c97d2a812d663d26faed40079892a.zip | |
xfs: move growfs core to libxfs
So it can be shared with userspace (e.g. mkfs) easily.
Signed-Off-By: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/xfs/libxfs/xfs_ag.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_ag.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_ag.h b/fs/xfs/libxfs/xfs_ag.h new file mode 100644 index 000000000000..69f2fd4be0ea --- /dev/null +++ b/fs/xfs/libxfs/xfs_ag.h @@ -0,0 +1,25 @@ +/* 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 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); + +#endif /* __LIBXFS_AG_H */ |