/* * Copyright (C) 2016 Oracle. All Rights Reserved. * * Author: Darrick J. Wong * * 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; either version 2 * of the License, or (at your option) any later version. * * 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_REFCOUNT_BTREE_H__ #define __XFS_REFCOUNT_BTREE_H__ /* * Reference Count Btree on-disk structures */ struct xfs_buf; struct xfs_btree_cur; struct xfs_mount; /* * Btree block header size */ #define XFS_REFCOUNT_BLOCK_LEN XFS_BTREE_SBLOCK_CRC_LEN /* * Record, key, and pointer address macros for btree blocks. * * (note that some of these may appear unused, but they are used in userspace) */ #define XFS_REFCOUNT_REC_ADDR(block, index) \ ((struct xfs_refcount_rec *) \ ((char *)(block) + \ XFS_REFCOUNT_BLOCK_LEN + \ (((index) - 1) * sizeof(struct xfs_refcount_rec)))) #define XFS_REFCOUNT_KEY_ADDR(block, index) \ ((struct xfs_refcount_key *) \ ((char *)(block) + \ XFS_REFCOUNT_BLOCK_LEN + \ ((index) - 1) * sizeof(struct xfs_refcount_key))) #define XFS_REFCOUNT_PTR_ADDR(block, index, maxrecs) \ ((xfs_refcount_ptr_t *) \ ((char *)(block) + \ XFS_REFCOUNT_BLOCK_LEN + \ (maxrecs) * sizeof(struct xfs_refcount_key) + \ ((index) - 1) * sizeof(xfs_refcount_ptr_t))) extern struct xfs_btree_cur *xfs_refcountbt_init_cursor(struct xfs_mount *mp, struct xfs_trans *tp, struct xfs_buf *agbp, xfs_agnumber_t agno, struct xfs_defer_ops *dfops); extern int xfs_refcountbt_maxrecs(struct xfs_mount *mp, int blocklen, bool leaf); extern void xfs_refcountbt_compute_maxlevels(struct xfs_mount *mp); extern xfs_extlen_t xfs_refcountbt_calc_size(struct xfs_mount *mp, unsigned long long len); extern xfs_extlen_t xfs_refcountbt_max_size(struct xfs_mount *mp); extern int xfs_refcountbt_calc_reserves(struct xfs_mount *mp, xfs_agnumber_t agno, xfs_extlen_t *ask, xfs_extlen_t *used); #endif /* __XFS_REFCOUNT_BTREE_H__ */ 'txt' type='search' size='10' name='q' value=''/>
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authorBhumika Goyal <bhumirks@gmail.com>2017-01-25 00:54:07 +0530
committerDan Williams <dan.j.williams@intel.com>2017-01-31 18:16:30 -0800
commit970d14e3989160ee9e97c7d75ecbc893fd29dab9 (patch)
tree4a731cac4efedb17f86a912ec56c151d26792abe /net/xfrm/xfrm_output.c
parent7a308bb3016f57e5be11a677d15b821536419d36 (diff)
nvdimm: constify device_type structures
Declare device_type structure as const as it is only stored in the type field of a device structure. This field is of type const, so add const to declaration of device_type structure. File size before: text data bss dec hex filename 19278 3199 16 22493 57dd nvdimm/namespace_devs.o File size after: text data bss dec hex filename 19929 3160 16 23105 5a41 nvdimm/namespace_devs.o Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'net/xfrm/xfrm_output.c')