diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_ialloc_btree.c')
-rw-r--r-- | fs/xfs/libxfs/xfs_ialloc_btree.c | 155 |
1 files changed, 72 insertions, 83 deletions
diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c index 42a5e1f227..cc661fca6f 100644 --- a/fs/xfs/libxfs/xfs_ialloc_btree.c +++ b/fs/xfs/libxfs/xfs_ialloc_btree.c @@ -17,6 +17,7 @@ #include "xfs_ialloc_btree.h" #include "xfs_alloc.h" #include "xfs_error.h" +#include "xfs_health.h" #include "xfs_trace.h" #include "xfs_trans.h" #include "xfs_rmap.h" @@ -37,7 +38,15 @@ xfs_inobt_dup_cursor( struct xfs_btree_cur *cur) { return xfs_inobt_init_cursor(cur->bc_ag.pag, cur->bc_tp, - cur->bc_ag.agbp, cur->bc_btnum); + cur->bc_ag.agbp); +} + +STATIC struct xfs_btree_cur * +xfs_finobt_dup_cursor( + struct xfs_btree_cur *cur) +{ + return xfs_finobt_init_cursor(cur->bc_ag.pag, cur->bc_tp, + cur->bc_ag.agbp); } STATIC void @@ -81,9 +90,9 @@ xfs_inobt_mod_blockcount( if (!xfs_has_inobtcounts(cur->bc_mp)) return; - if (cur->bc_btnum == XFS_BTNUM_FINO) + if (xfs_btree_is_fino(cur->bc_ops)) be32_add_cpu(&agi->agi_fblocks, howmuch); - else if (cur->bc_btnum == XFS_BTNUM_INO) + else be32_add_cpu(&agi->agi_iblocks, howmuch); xfs_ialloc_log_agi(cur->bc_tp, agbp, XFS_AGI_IBLOCKS); } @@ -300,7 +309,7 @@ xfs_inobt_verify( * xfs_perag_initialised_agi(pag)) if we ever do. */ if (xfs_has_crc(mp)) { - fa = xfs_btree_sblock_v5hdr_verify(bp); + fa = xfs_btree_agblock_v5hdr_verify(bp); if (fa) return fa; } @@ -310,7 +319,7 @@ xfs_inobt_verify( if (level >= M_IGEO(mp)->inobt_maxlevels) return __this_address; - return xfs_btree_sblock_verify(bp, + return xfs_btree_agblock_verify(bp, M_IGEO(mp)->inobt_mxr[level != 0]); } @@ -320,7 +329,7 @@ xfs_inobt_read_verify( { xfs_failaddr_t fa; - if (!xfs_btree_sblock_verify_crc(bp)) + if (!xfs_btree_agblock_verify_crc(bp)) xfs_verifier_error(bp, -EFSBADCRC, __this_address); else { fa = xfs_inobt_verify(bp); @@ -344,7 +353,7 @@ xfs_inobt_write_verify( xfs_verifier_error(bp, -EFSCORRUPTED, fa); return; } - xfs_btree_sblock_calc_crc(bp); + xfs_btree_agblock_calc_crc(bp); } @@ -398,9 +407,17 @@ xfs_inobt_keys_contiguous( be32_to_cpu(key2->inobt.ir_startino)); } -static const struct xfs_btree_ops xfs_inobt_ops = { +const struct xfs_btree_ops xfs_inobt_ops = { + .name = "ino", + .type = XFS_BTREE_TYPE_AG, + .rec_len = sizeof(xfs_inobt_rec_t), .key_len = sizeof(xfs_inobt_key_t), + .ptr_len = XFS_BTREE_SHORT_PTR_LEN, + + .lru_refs = XFS_INO_BTREE_REF, + .statoff = XFS_STATS_CALC_INDEX(xs_ibt_2), + .sick_mask = XFS_SICK_AG_INOBT, .dup_cursor = xfs_inobt_dup_cursor, .set_root = xfs_inobt_set_root, @@ -420,11 +437,19 @@ static const struct xfs_btree_ops xfs_inobt_ops = { .keys_contiguous = xfs_inobt_keys_contiguous, }; -static const struct xfs_btree_ops xfs_finobt_ops = { +const struct xfs_btree_ops xfs_finobt_ops = { + .name = "fino", + .type = XFS_BTREE_TYPE_AG, + .rec_len = sizeof(xfs_inobt_rec_t), .key_len = sizeof(xfs_inobt_key_t), + .ptr_len = XFS_BTREE_SHORT_PTR_LEN, - .dup_cursor = xfs_inobt_dup_cursor, + .lru_refs = XFS_INO_BTREE_REF, + .statoff = XFS_STATS_CALC_INDEX(xs_fibt_2), + .sick_mask = XFS_SICK_AG_FINOBT, + + .dup_cursor = xfs_finobt_dup_cursor, .set_root = xfs_finobt_set_root, .alloc_block = xfs_finobt_alloc_block, .free_block = xfs_finobt_free_block, @@ -443,65 +468,54 @@ static const struct xfs_btree_ops xfs_finobt_ops = { }; /* - * Initialize a new inode btree cursor. + * Create an inode btree cursor. + * + * For staging cursors tp and agbp are NULL. */ -static struct xfs_btree_cur * -xfs_inobt_init_common( +struct xfs_btree_cur * +xfs_inobt_init_cursor( struct xfs_perag *pag, - struct xfs_trans *tp, /* transaction pointer */ - xfs_btnum_t btnum) /* ialloc or free ino btree */ + struct xfs_trans *tp, + struct xfs_buf *agbp) { struct xfs_mount *mp = pag->pag_mount; struct xfs_btree_cur *cur; - cur = xfs_btree_alloc_cursor(mp, tp, btnum, + cur = xfs_btree_alloc_cursor(mp, tp, &xfs_inobt_ops, M_IGEO(mp)->inobt_maxlevels, xfs_inobt_cur_cache); - if (btnum == XFS_BTNUM_INO) { - cur->bc_statoff = XFS_STATS_CALC_INDEX(xs_ibt_2); - cur->bc_ops = &xfs_inobt_ops; - } else { - cur->bc_statoff = XFS_STATS_CALC_INDEX(xs_fibt_2); - cur->bc_ops = &xfs_finobt_ops; - } - - if (xfs_has_crc(mp)) - cur->bc_flags |= XFS_BTREE_CRC_BLOCKS; - cur->bc_ag.pag = xfs_perag_hold(pag); + cur->bc_ag.agbp = agbp; + if (agbp) { + struct xfs_agi *agi = agbp->b_addr; + + cur->bc_nlevels = be32_to_cpu(agi->agi_level); + } return cur; } -/* Create an inode btree cursor. */ +/* + * Create a free inode btree cursor. + * + * For staging cursors tp and agbp are NULL. + */ struct xfs_btree_cur * -xfs_inobt_init_cursor( +xfs_finobt_init_cursor( struct xfs_perag *pag, struct xfs_trans *tp, - struct xfs_buf *agbp, - xfs_btnum_t btnum) + struct xfs_buf *agbp) { + struct xfs_mount *mp = pag->pag_mount; struct xfs_btree_cur *cur; - struct xfs_agi *agi = agbp->b_addr; - cur = xfs_inobt_init_common(pag, tp, btnum); - if (btnum == XFS_BTNUM_INO) - cur->bc_nlevels = be32_to_cpu(agi->agi_level); - else - cur->bc_nlevels = be32_to_cpu(agi->agi_free_level); + cur = xfs_btree_alloc_cursor(mp, tp, &xfs_finobt_ops, + M_IGEO(mp)->inobt_maxlevels, xfs_inobt_cur_cache); + cur->bc_ag.pag = xfs_perag_hold(pag); cur->bc_ag.agbp = agbp; - return cur; -} + if (agbp) { + struct xfs_agi *agi = agbp->b_addr; -/* Create an inode btree cursor with a fake root for staging. */ -struct xfs_btree_cur * -xfs_inobt_stage_cursor( - struct xfs_perag *pag, - struct xbtree_afakeroot *afake, - xfs_btnum_t btnum) -{ - struct xfs_btree_cur *cur; - - cur = xfs_inobt_init_common(pag, NULL, btnum); - xfs_btree_stage_afakeroot(cur, afake); + cur->bc_nlevels = be32_to_cpu(agi->agi_free_level); + } return cur; } @@ -521,7 +535,7 @@ xfs_inobt_commit_staged_btree( ASSERT(cur->bc_flags & XFS_BTREE_STAGING); - if (cur->bc_btnum == XFS_BTNUM_INO) { + if (xfs_btree_is_ino(cur->bc_ops)) { fields = XFS_AGI_ROOT | XFS_AGI_LEVEL; agi->agi_root = cpu_to_be32(afake->af_root); agi->agi_level = cpu_to_be32(afake->af_levels); @@ -530,7 +544,7 @@ xfs_inobt_commit_staged_btree( fields |= XFS_AGI_IBLOCKS; } xfs_ialloc_log_agi(tp, agbp, fields); - xfs_btree_commit_afakeroot(cur, tp, agbp, &xfs_inobt_ops); + xfs_btree_commit_afakeroot(cur, tp, agbp); } else { fields = XFS_AGI_FREE_ROOT | XFS_AGI_FREE_LEVEL; agi->agi_free_root = cpu_to_be32(afake->af_root); @@ -540,7 +554,7 @@ xfs_inobt_commit_staged_btree( fields |= XFS_AGI_IBLOCKS; } xfs_ialloc_log_agi(tp, agbp, fields); - xfs_btree_commit_afakeroot(cur, tp, agbp, &xfs_finobt_ops); + xfs_btree_commit_afakeroot(cur, tp, agbp); } } @@ -721,45 +735,21 @@ xfs_inobt_max_size( XFS_INODES_PER_CHUNK); } -/* Read AGI and create inobt cursor. */ -int -xfs_inobt_cur( - struct xfs_perag *pag, - struct xfs_trans *tp, - xfs_btnum_t which, - struct xfs_btree_cur **curpp, - struct xfs_buf **agi_bpp) -{ - struct xfs_btree_cur *cur; - int error; - - ASSERT(*agi_bpp == NULL); - ASSERT(*curpp == NULL); - - error = xfs_ialloc_read_agi(pag, tp, agi_bpp); - if (error) - return error; - - cur = xfs_inobt_init_cursor(pag, tp, *agi_bpp, which); - *curpp = cur; - return 0; -} - static int -xfs_inobt_count_blocks( +xfs_finobt_count_blocks( struct xfs_perag *pag, struct xfs_trans *tp, - xfs_btnum_t btnum, xfs_extlen_t *tree_blocks) { struct xfs_buf *agbp = NULL; - struct xfs_btree_cur *cur = NULL; + struct xfs_btree_cur *cur; int error; - error = xfs_inobt_cur(pag, tp, btnum, &cur, &agbp); + error = xfs_ialloc_read_agi(pag, tp, &agbp); if (error) return error; + cur = xfs_inobt_init_cursor(pag, tp, agbp); error = xfs_btree_count_blocks(cur, tree_blocks); xfs_btree_del_cursor(cur, error); xfs_trans_brelse(tp, agbp); @@ -807,8 +797,7 @@ xfs_finobt_calc_reserves( if (xfs_has_inobtcounts(pag->pag_mount)) error = xfs_finobt_read_blocks(pag, tp, &tree_len); else - error = xfs_inobt_count_blocks(pag, tp, XFS_BTNUM_FINO, - &tree_len); + error = xfs_finobt_count_blocks(pag, tp, &tree_len); if (error) return error; 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