^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (c) 2000-2005 Silicon Graphics, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (c) 2018 Red Hat, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include "xfs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include "xfs_fs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include "xfs_shared.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include "xfs_format.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "xfs_trans_resv.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "xfs_bit.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "xfs_sb.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "xfs_mount.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "xfs_btree.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include "xfs_alloc_btree.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include "xfs_rmap_btree.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include "xfs_alloc.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include "xfs_ialloc.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include "xfs_rmap.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include "xfs_ag.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include "xfs_ag_resv.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include "xfs_health.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) xfs_get_aghdr_buf(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) struct xfs_mount *mp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) xfs_daddr_t blkno,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) size_t numblks,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) struct xfs_buf **bpp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) const struct xfs_buf_ops *ops)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) struct xfs_buf *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) error = xfs_buf_get_uncached(mp->m_ddev_targp, numblks, 0, &bp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) xfs_buf_zero(bp, 0, BBTOB(bp->b_length));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) bp->b_bn = blkno;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) bp->b_maps[0].bm_bn = blkno;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) bp->b_ops = ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) *bpp = bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) static inline bool is_log_ag(struct xfs_mount *mp, struct aghdr_init_data *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) return mp->m_sb.sb_logstart > 0 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) id->agno == XFS_FSB_TO_AGNO(mp, mp->m_sb.sb_logstart);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) * Generic btree root block init function
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) xfs_btroot_init(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) struct xfs_mount *mp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) struct xfs_buf *bp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) struct aghdr_init_data *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) xfs_btree_init_block(mp, bp, id->type, 0, 0, id->agno);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) /* Finish initializing a free space btree. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) xfs_freesp_init_recs(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) struct xfs_mount *mp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) struct xfs_buf *bp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) struct aghdr_init_data *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) struct xfs_alloc_rec *arec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) struct xfs_btree_block *block = XFS_BUF_TO_BLOCK(bp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) arec = XFS_ALLOC_REC_ADDR(mp, XFS_BUF_TO_BLOCK(bp), 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) arec->ar_startblock = cpu_to_be32(mp->m_ag_prealloc_blocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) if (is_log_ag(mp, id)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) struct xfs_alloc_rec *nrec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) xfs_agblock_t start = XFS_FSB_TO_AGBNO(mp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) mp->m_sb.sb_logstart);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) ASSERT(start >= mp->m_ag_prealloc_blocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) if (start != mp->m_ag_prealloc_blocks) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) * Modify first record to pad stripe align of log
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) arec->ar_blockcount = cpu_to_be32(start -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) mp->m_ag_prealloc_blocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) nrec = arec + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) * Insert second record at start of internal log
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) * which then gets trimmed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) nrec->ar_startblock = cpu_to_be32(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) be32_to_cpu(arec->ar_startblock) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) be32_to_cpu(arec->ar_blockcount));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) arec = nrec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) be16_add_cpu(&block->bb_numrecs, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) * Change record start to after the internal log
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) be32_add_cpu(&arec->ar_startblock, mp->m_sb.sb_logblocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) * Calculate the record block count and check for the case where
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) * the log might have consumed all available space in the AG. If
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) * so, reset the record count to 0 to avoid exposure of an invalid
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) * record start block.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) arec->ar_blockcount = cpu_to_be32(id->agsize -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) be32_to_cpu(arec->ar_startblock));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) if (!arec->ar_blockcount)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) block->bb_numrecs = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) * Alloc btree root block init functions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) xfs_bnoroot_init(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) struct xfs_mount *mp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) struct xfs_buf *bp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) struct aghdr_init_data *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) xfs_btree_init_block(mp, bp, XFS_BTNUM_BNO, 0, 1, id->agno);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) xfs_freesp_init_recs(mp, bp, id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) xfs_cntroot_init(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) struct xfs_mount *mp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) struct xfs_buf *bp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) struct aghdr_init_data *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) xfs_btree_init_block(mp, bp, XFS_BTNUM_CNT, 0, 1, id->agno);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) xfs_freesp_init_recs(mp, bp, id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) * Reverse map root block init
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) xfs_rmaproot_init(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) struct xfs_mount *mp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) struct xfs_buf *bp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) struct aghdr_init_data *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) struct xfs_btree_block *block = XFS_BUF_TO_BLOCK(bp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) struct xfs_rmap_rec *rrec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) xfs_btree_init_block(mp, bp, XFS_BTNUM_RMAP, 0, 4, id->agno);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) * mark the AG header regions as static metadata The BNO
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) * btree block is the first block after the headers, so
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) * it's location defines the size of region the static
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) * metadata consumes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) * Note: unlike mkfs, we never have to account for log
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) * space when growing the data regions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) rrec = XFS_RMAP_REC_ADDR(block, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) rrec->rm_startblock = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) rrec->rm_blockcount = cpu_to_be32(XFS_BNO_BLOCK(mp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_FS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) rrec->rm_offset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) /* account freespace btree root blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) rrec = XFS_RMAP_REC_ADDR(block, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) rrec->rm_startblock = cpu_to_be32(XFS_BNO_BLOCK(mp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) rrec->rm_blockcount = cpu_to_be32(2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_AG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) rrec->rm_offset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) /* account inode btree root blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) rrec = XFS_RMAP_REC_ADDR(block, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) rrec->rm_startblock = cpu_to_be32(XFS_IBT_BLOCK(mp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) rrec->rm_blockcount = cpu_to_be32(XFS_RMAP_BLOCK(mp) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) XFS_IBT_BLOCK(mp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_INOBT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) rrec->rm_offset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) /* account for rmap btree root */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) rrec = XFS_RMAP_REC_ADDR(block, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) rrec->rm_startblock = cpu_to_be32(XFS_RMAP_BLOCK(mp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) rrec->rm_blockcount = cpu_to_be32(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_AG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) rrec->rm_offset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) /* account for refc btree root */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) if (xfs_sb_version_hasreflink(&mp->m_sb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) rrec = XFS_RMAP_REC_ADDR(block, 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) rrec->rm_startblock = cpu_to_be32(xfs_refc_block(mp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) rrec->rm_blockcount = cpu_to_be32(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_REFC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) rrec->rm_offset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) be16_add_cpu(&block->bb_numrecs, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) /* account for the log space */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) if (is_log_ag(mp, id)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) rrec = XFS_RMAP_REC_ADDR(block,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) be16_to_cpu(block->bb_numrecs) + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) rrec->rm_startblock = cpu_to_be32(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) XFS_FSB_TO_AGBNO(mp, mp->m_sb.sb_logstart));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) rrec->rm_blockcount = cpu_to_be32(mp->m_sb.sb_logblocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_LOG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) rrec->rm_offset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) be16_add_cpu(&block->bb_numrecs, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) * Initialise new secondary superblocks with the pre-grow geometry, but mark
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) * them as "in progress" so we know they haven't yet been activated. This will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) * get cleared when the update with the new geometry information is done after
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) * changes to the primary are committed. This isn't strictly necessary, but we
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) * get it for free with the delayed buffer write lists and it means we can tell
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) * if a grow operation didn't complete properly after the fact.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) xfs_sbblock_init(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) struct xfs_mount *mp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) struct xfs_buf *bp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) struct aghdr_init_data *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) struct xfs_dsb *dsb = bp->b_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) xfs_sb_to_disk(dsb, &mp->m_sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) dsb->sb_inprogress = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) xfs_agfblock_init(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) struct xfs_mount *mp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) struct xfs_buf *bp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) struct aghdr_init_data *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) struct xfs_agf *agf = bp->b_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) xfs_extlen_t tmpsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) agf->agf_magicnum = cpu_to_be32(XFS_AGF_MAGIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) agf->agf_versionnum = cpu_to_be32(XFS_AGF_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) agf->agf_seqno = cpu_to_be32(id->agno);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) agf->agf_length = cpu_to_be32(id->agsize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) agf->agf_roots[XFS_BTNUM_BNOi] = cpu_to_be32(XFS_BNO_BLOCK(mp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) agf->agf_roots[XFS_BTNUM_CNTi] = cpu_to_be32(XFS_CNT_BLOCK(mp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) agf->agf_levels[XFS_BTNUM_BNOi] = cpu_to_be32(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) agf->agf_levels[XFS_BTNUM_CNTi] = cpu_to_be32(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) if (xfs_sb_version_hasrmapbt(&mp->m_sb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) agf->agf_roots[XFS_BTNUM_RMAPi] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) cpu_to_be32(XFS_RMAP_BLOCK(mp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) agf->agf_levels[XFS_BTNUM_RMAPi] = cpu_to_be32(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) agf->agf_rmap_blocks = cpu_to_be32(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) agf->agf_flfirst = cpu_to_be32(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) agf->agf_fllast = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) agf->agf_flcount = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) tmpsize = id->agsize - mp->m_ag_prealloc_blocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) agf->agf_freeblks = cpu_to_be32(tmpsize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) agf->agf_longest = cpu_to_be32(tmpsize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) if (xfs_sb_version_hascrc(&mp->m_sb))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) uuid_copy(&agf->agf_uuid, &mp->m_sb.sb_meta_uuid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) if (xfs_sb_version_hasreflink(&mp->m_sb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) agf->agf_refcount_root = cpu_to_be32(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) xfs_refc_block(mp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) agf->agf_refcount_level = cpu_to_be32(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) agf->agf_refcount_blocks = cpu_to_be32(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) if (is_log_ag(mp, id)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) int64_t logblocks = mp->m_sb.sb_logblocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) be32_add_cpu(&agf->agf_freeblks, -logblocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) agf->agf_longest = cpu_to_be32(id->agsize -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) XFS_FSB_TO_AGBNO(mp, mp->m_sb.sb_logstart) - logblocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) xfs_agflblock_init(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) struct xfs_mount *mp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) struct xfs_buf *bp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) struct aghdr_init_data *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) struct xfs_agfl *agfl = XFS_BUF_TO_AGFL(bp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) __be32 *agfl_bno;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) int bucket;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) if (xfs_sb_version_hascrc(&mp->m_sb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) agfl->agfl_magicnum = cpu_to_be32(XFS_AGFL_MAGIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) agfl->agfl_seqno = cpu_to_be32(id->agno);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) uuid_copy(&agfl->agfl_uuid, &mp->m_sb.sb_meta_uuid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) agfl_bno = xfs_buf_to_agfl_bno(bp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) for (bucket = 0; bucket < xfs_agfl_size(mp); bucket++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) agfl_bno[bucket] = cpu_to_be32(NULLAGBLOCK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) xfs_agiblock_init(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) struct xfs_mount *mp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) struct xfs_buf *bp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) struct aghdr_init_data *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) struct xfs_agi *agi = bp->b_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) int bucket;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) agi->agi_magicnum = cpu_to_be32(XFS_AGI_MAGIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) agi->agi_versionnum = cpu_to_be32(XFS_AGI_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) agi->agi_seqno = cpu_to_be32(id->agno);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) agi->agi_length = cpu_to_be32(id->agsize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) agi->agi_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) agi->agi_root = cpu_to_be32(XFS_IBT_BLOCK(mp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) agi->agi_level = cpu_to_be32(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) agi->agi_freecount = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) agi->agi_newino = cpu_to_be32(NULLAGINO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) agi->agi_dirino = cpu_to_be32(NULLAGINO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) if (xfs_sb_version_hascrc(&mp->m_sb))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) uuid_copy(&agi->agi_uuid, &mp->m_sb.sb_meta_uuid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) if (xfs_sb_version_hasfinobt(&mp->m_sb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) agi->agi_free_root = cpu_to_be32(XFS_FIBT_BLOCK(mp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) agi->agi_free_level = cpu_to_be32(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) for (bucket = 0; bucket < XFS_AGI_UNLINKED_BUCKETS; bucket++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) agi->agi_unlinked[bucket] = cpu_to_be32(NULLAGINO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) if (xfs_sb_version_hasinobtcounts(&mp->m_sb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) agi->agi_iblocks = cpu_to_be32(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) if (xfs_sb_version_hasfinobt(&mp->m_sb))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) agi->agi_fblocks = cpu_to_be32(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) typedef void (*aghdr_init_work_f)(struct xfs_mount *mp, struct xfs_buf *bp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) struct aghdr_init_data *id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) xfs_ag_init_hdr(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) struct xfs_mount *mp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) struct aghdr_init_data *id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) aghdr_init_work_f work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) const struct xfs_buf_ops *ops)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) struct xfs_buf *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) error = xfs_get_aghdr_buf(mp, id->daddr, id->numblks, &bp, ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) (*work)(mp, bp, id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) xfs_buf_delwri_queue(bp, &id->buffer_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) xfs_buf_relse(bp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) struct xfs_aghdr_grow_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) xfs_daddr_t daddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) size_t numblks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) const struct xfs_buf_ops *ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) aghdr_init_work_f work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) xfs_btnum_t type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) bool need_init;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) * Prepare new AG headers to be written to disk. We use uncached buffers here,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) * as it is assumed these new AG headers are currently beyond the currently
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) * valid filesystem address space. Using cached buffers would trip over EOFS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) * corruption detection alogrithms in the buffer cache lookup routines.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) * This is a non-transactional function, but the prepared buffers are added to a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) * delayed write buffer list supplied by the caller so they can submit them to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) * disk and wait on them as required.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) xfs_ag_init_headers(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) struct xfs_mount *mp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) struct aghdr_init_data *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) struct xfs_aghdr_grow_data aghdr_data[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) { /* SB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) .daddr = XFS_AG_DADDR(mp, id->agno, XFS_SB_DADDR),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) .numblks = XFS_FSS_TO_BB(mp, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) .ops = &xfs_sb_buf_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) .work = &xfs_sbblock_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) .need_init = true
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) { /* AGF */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) .daddr = XFS_AG_DADDR(mp, id->agno, XFS_AGF_DADDR(mp)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) .numblks = XFS_FSS_TO_BB(mp, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) .ops = &xfs_agf_buf_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) .work = &xfs_agfblock_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) .need_init = true
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) { /* AGFL */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) .daddr = XFS_AG_DADDR(mp, id->agno, XFS_AGFL_DADDR(mp)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) .numblks = XFS_FSS_TO_BB(mp, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) .ops = &xfs_agfl_buf_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) .work = &xfs_agflblock_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) .need_init = true
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) { /* AGI */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) .daddr = XFS_AG_DADDR(mp, id->agno, XFS_AGI_DADDR(mp)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) .numblks = XFS_FSS_TO_BB(mp, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) .ops = &xfs_agi_buf_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) .work = &xfs_agiblock_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) .need_init = true
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) { /* BNO root block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) .daddr = XFS_AGB_TO_DADDR(mp, id->agno, XFS_BNO_BLOCK(mp)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) .numblks = BTOBB(mp->m_sb.sb_blocksize),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) .ops = &xfs_bnobt_buf_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) .work = &xfs_bnoroot_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) .need_init = true
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) { /* CNT root block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) .daddr = XFS_AGB_TO_DADDR(mp, id->agno, XFS_CNT_BLOCK(mp)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) .numblks = BTOBB(mp->m_sb.sb_blocksize),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) .ops = &xfs_cntbt_buf_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) .work = &xfs_cntroot_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) .need_init = true
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) { /* INO root block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) .daddr = XFS_AGB_TO_DADDR(mp, id->agno, XFS_IBT_BLOCK(mp)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) .numblks = BTOBB(mp->m_sb.sb_blocksize),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) .ops = &xfs_inobt_buf_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) .work = &xfs_btroot_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) .type = XFS_BTNUM_INO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) .need_init = true
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) { /* FINO root block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) .daddr = XFS_AGB_TO_DADDR(mp, id->agno, XFS_FIBT_BLOCK(mp)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) .numblks = BTOBB(mp->m_sb.sb_blocksize),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) .ops = &xfs_finobt_buf_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) .work = &xfs_btroot_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) .type = XFS_BTNUM_FINO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) .need_init = xfs_sb_version_hasfinobt(&mp->m_sb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) { /* RMAP root block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) .daddr = XFS_AGB_TO_DADDR(mp, id->agno, XFS_RMAP_BLOCK(mp)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) .numblks = BTOBB(mp->m_sb.sb_blocksize),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) .ops = &xfs_rmapbt_buf_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) .work = &xfs_rmaproot_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) .need_init = xfs_sb_version_hasrmapbt(&mp->m_sb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) { /* REFC root block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) .daddr = XFS_AGB_TO_DADDR(mp, id->agno, xfs_refc_block(mp)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) .numblks = BTOBB(mp->m_sb.sb_blocksize),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) .ops = &xfs_refcountbt_buf_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) .work = &xfs_btroot_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) .type = XFS_BTNUM_REFC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) .need_init = xfs_sb_version_hasreflink(&mp->m_sb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) { /* NULL terminating block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) .daddr = XFS_BUF_DADDR_NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) struct xfs_aghdr_grow_data *dp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) int error = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) /* Account for AG free space in new AG */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) id->nfree += id->agsize - mp->m_ag_prealloc_blocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) for (dp = &aghdr_data[0]; dp->daddr != XFS_BUF_DADDR_NULL; dp++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) if (!dp->need_init)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) id->daddr = dp->daddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) id->numblks = dp->numblks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) id->type = dp->type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) error = xfs_ag_init_hdr(mp, id, dp->work, dp->ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) * Extent the AG indicated by the @id by the length passed in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) xfs_ag_extend_space(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) struct xfs_mount *mp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) struct xfs_trans *tp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) struct aghdr_init_data *id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) xfs_extlen_t len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) struct xfs_buf *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) struct xfs_agi *agi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) struct xfs_agf *agf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) * Change the agi length.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) error = xfs_ialloc_read_agi(mp, tp, id->agno, &bp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) agi = bp->b_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) be32_add_cpu(&agi->agi_length, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) ASSERT(id->agno == mp->m_sb.sb_agcount - 1 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) be32_to_cpu(agi->agi_length) == mp->m_sb.sb_agblocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) xfs_ialloc_log_agi(tp, bp, XFS_AGI_LENGTH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) * Change agf length.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) error = xfs_alloc_read_agf(mp, tp, id->agno, 0, &bp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) agf = bp->b_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) be32_add_cpu(&agf->agf_length, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) ASSERT(agf->agf_length == agi->agi_length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) xfs_alloc_log_agf(tp, bp, XFS_AGF_LENGTH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) * Free the new space.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) * XFS_RMAP_OINFO_SKIP_UPDATE is used here to tell the rmap btree that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) * this doesn't actually exist in the rmap btree.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) error = xfs_rmap_free(tp, bp, id->agno,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) be32_to_cpu(agf->agf_length) - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) len, &XFS_RMAP_OINFO_SKIP_UPDATE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) return xfs_free_extent(tp, XFS_AGB_TO_FSB(mp, id->agno,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) be32_to_cpu(agf->agf_length) - len),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) len, &XFS_RMAP_OINFO_SKIP_UPDATE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) XFS_AG_RESV_NONE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) /* Retrieve AG geometry. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) xfs_ag_get_geometry(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) struct xfs_mount *mp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) xfs_agnumber_t agno,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) struct xfs_ag_geometry *ageo)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) struct xfs_buf *agi_bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) struct xfs_buf *agf_bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) struct xfs_agi *agi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) struct xfs_agf *agf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) struct xfs_perag *pag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) unsigned int freeblks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) if (agno >= mp->m_sb.sb_agcount)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) /* Lock the AG headers. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) error = xfs_ialloc_read_agi(mp, NULL, agno, &agi_bp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) error = xfs_alloc_read_agf(mp, NULL, agno, 0, &agf_bp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) goto out_agi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) pag = agi_bp->b_pag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) /* Fill out form. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) memset(ageo, 0, sizeof(*ageo));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) ageo->ag_number = agno;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) agi = agi_bp->b_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) ageo->ag_icount = be32_to_cpu(agi->agi_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) ageo->ag_ifree = be32_to_cpu(agi->agi_freecount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) agf = agf_bp->b_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) ageo->ag_length = be32_to_cpu(agf->agf_length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) freeblks = pag->pagf_freeblks +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) pag->pagf_flcount +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) pag->pagf_btreeblks -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) xfs_ag_resv_needed(pag, XFS_AG_RESV_NONE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) ageo->ag_freeblks = freeblks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) xfs_ag_geom_health(pag, ageo);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) /* Release resources. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) xfs_buf_relse(agf_bp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) out_agi:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) xfs_buf_relse(agi_bp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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