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ebcbef3a61
Pass a tranaction pointer through to all helpers that calculate the per-AG block reservation. Online repair will use this to reinitialize per-ag reservations while it still holds all the AG headers locked to the repair transaction. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com>
68 lines
1.9 KiB
C
68 lines
1.9 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2000,2005 Silicon Graphics, Inc.
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* All Rights Reserved.
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*/
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#ifndef __XFS_IALLOC_BTREE_H__
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#define __XFS_IALLOC_BTREE_H__
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/*
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* Inode map on-disk structures
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*/
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struct xfs_buf;
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struct xfs_btree_cur;
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struct xfs_mount;
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/*
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* Btree block header size depends on a superblock flag.
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*/
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#define XFS_INOBT_BLOCK_LEN(mp) \
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(xfs_sb_version_hascrc(&((mp)->m_sb)) ? \
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XFS_BTREE_SBLOCK_CRC_LEN : XFS_BTREE_SBLOCK_LEN)
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/*
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* Record, key, and pointer address macros for btree blocks.
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*
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* (note that some of these may appear unused, but they are used in userspace)
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*/
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#define XFS_INOBT_REC_ADDR(mp, block, index) \
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((xfs_inobt_rec_t *) \
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((char *)(block) + \
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XFS_INOBT_BLOCK_LEN(mp) + \
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(((index) - 1) * sizeof(xfs_inobt_rec_t))))
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#define XFS_INOBT_KEY_ADDR(mp, block, index) \
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((xfs_inobt_key_t *) \
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((char *)(block) + \
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XFS_INOBT_BLOCK_LEN(mp) + \
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((index) - 1) * sizeof(xfs_inobt_key_t)))
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#define XFS_INOBT_PTR_ADDR(mp, block, index, maxrecs) \
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((xfs_inobt_ptr_t *) \
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((char *)(block) + \
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XFS_INOBT_BLOCK_LEN(mp) + \
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(maxrecs) * sizeof(xfs_inobt_key_t) + \
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((index) - 1) * sizeof(xfs_inobt_ptr_t)))
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extern struct xfs_btree_cur *xfs_inobt_init_cursor(struct xfs_mount *,
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struct xfs_trans *, struct xfs_buf *, xfs_agnumber_t,
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xfs_btnum_t);
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extern int xfs_inobt_maxrecs(struct xfs_mount *, int, int);
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/* ir_holemask to inode allocation bitmap conversion */
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uint64_t xfs_inobt_irec_to_allocmask(struct xfs_inobt_rec_incore *);
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#if defined(DEBUG) || defined(XFS_WARN)
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int xfs_inobt_rec_check_count(struct xfs_mount *,
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struct xfs_inobt_rec_incore *);
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#else
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#define xfs_inobt_rec_check_count(mp, rec) 0
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#endif /* DEBUG */
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int xfs_finobt_calc_reserves(struct xfs_mount *mp, struct xfs_trans *tp,
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xfs_agnumber_t agno, xfs_extlen_t *ask, xfs_extlen_t *used);
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extern xfs_extlen_t xfs_iallocbt_calc_size(struct xfs_mount *mp,
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unsigned long long len);
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#endif /* __XFS_IALLOC_BTREE_H__ */
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