diff options
Diffstat (limited to 'fs/xfs/scrub/agheader.c')
| -rw-r--r-- | fs/xfs/scrub/agheader.c | 103 |
1 files changed, 18 insertions, 85 deletions
diff --git a/fs/xfs/scrub/agheader.c b/fs/xfs/scrub/agheader.c index 018aabbd9394..9bb0745f1ad2 100644 --- a/fs/xfs/scrub/agheader.c +++ b/fs/xfs/scrub/agheader.c @@ -1,21 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2017 Oracle. All Rights Reserved. - * * Author: Darrick J. Wong <darrick.wong@oracle.com> - * - * 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. */ #include "xfs.h" #include "xfs_fs.h" @@ -38,68 +24,6 @@ #include "scrub/common.h" #include "scrub/trace.h" -/* - * Walk all the blocks in the AGFL. The fn function can return any negative - * error code or XFS_BTREE_QUERY_RANGE_ABORT. - */ -int -xfs_scrub_walk_agfl( - struct xfs_scrub_context *sc, - int (*fn)(struct xfs_scrub_context *, - xfs_agblock_t bno, void *), - void *priv) -{ - struct xfs_agf *agf; - __be32 *agfl_bno; - struct xfs_mount *mp = sc->mp; - unsigned int flfirst; - unsigned int fllast; - int i; - int error; - - agf = XFS_BUF_TO_AGF(sc->sa.agf_bp); - agfl_bno = XFS_BUF_TO_AGFL_BNO(mp, sc->sa.agfl_bp); - flfirst = be32_to_cpu(agf->agf_flfirst); - fllast = be32_to_cpu(agf->agf_fllast); - - /* Nothing to walk in an empty AGFL. */ - if (agf->agf_flcount == cpu_to_be32(0)) - return 0; - - /* first to last is a consecutive list. */ - if (fllast >= flfirst) { - for (i = flfirst; i <= fllast; i++) { - error = fn(sc, be32_to_cpu(agfl_bno[i]), priv); - if (error) - return error; - if (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT) - return error; - } - - return 0; - } - - /* first to the end */ - for (i = flfirst; i < xfs_agfl_size(mp); i++) { - error = fn(sc, be32_to_cpu(agfl_bno[i]), priv); - if (error) - return error; - if (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT) - return error; - } - - /* the start to last. */ - for (i = 0; i <= fllast; i++) { - error = fn(sc, be32_to_cpu(agfl_bno[i]), priv); - if (error) - return error; - if (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT) - return error; - } - - return 0; -} - /* Superblock */ /* Cross-reference with the other btrees. */ @@ -157,9 +81,7 @@ xfs_scrub_superblock( if (agno == 0) return 0; - error = xfs_trans_read_buf(mp, sc->tp, mp->m_ddev_targp, - XFS_AGB_TO_DADDR(mp, agno, XFS_SB_BLOCK(mp)), - XFS_FSS_TO_BB(mp, 1), 0, &bp, &xfs_sb_buf_ops); + error = xfs_sb_read_secondary(mp, sc->tp, agno, &bp); /* * The superblock verifier can return several different error codes * if it thinks the superblock doesn't look right. For a mount these @@ -680,6 +602,7 @@ struct xfs_scrub_agfl_info { unsigned int sz_entries; unsigned int nr_entries; xfs_agblock_t *entries; + struct xfs_scrub_context *sc; }; /* Cross-reference with the other btrees. */ @@ -701,12 +624,12 @@ xfs_scrub_agfl_block_xref( /* Scrub an AGFL block. */ STATIC int xfs_scrub_agfl_block( - struct xfs_scrub_context *sc, + struct xfs_mount *mp, xfs_agblock_t agbno, void *priv) { - struct xfs_mount *mp = sc->mp; struct xfs_scrub_agfl_info *sai = priv; + struct xfs_scrub_context *sc = sai->sc; xfs_agnumber_t agno = sc->sa.agno; if (xfs_verify_agbno(mp, agno, agbno) && @@ -717,6 +640,9 @@ xfs_scrub_agfl_block( xfs_scrub_agfl_block_xref(sc, agbno, priv); + if (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT) + return XFS_BTREE_QUERY_RANGE_ABORT; + return 0; } @@ -796,8 +722,10 @@ xfs_scrub_agfl( goto out; } memset(&sai, 0, sizeof(sai)); + sai.sc = sc; sai.sz_entries = agflcount; - sai.entries = kmem_zalloc(sizeof(xfs_agblock_t) * agflcount, KM_NOFS); + sai.entries = kmem_zalloc(sizeof(xfs_agblock_t) * agflcount, + KM_MAYFAIL); if (!sai.entries) { error = -ENOMEM; goto out; @@ -805,7 +733,12 @@ xfs_scrub_agfl( /* Check the blocks in the AGFL. */ xfs_rmap_ag_owner(&sai.oinfo, XFS_RMAP_OWN_AG); - error = xfs_scrub_walk_agfl(sc, xfs_scrub_agfl_block, &sai); + error = xfs_agfl_walk(sc->mp, XFS_BUF_TO_AGF(sc->sa.agf_bp), + sc->sa.agfl_bp, xfs_scrub_agfl_block, &sai); + if (error == XFS_BTREE_QUERY_RANGE_ABORT) { + error = 0; + goto out_free; + } if (error) goto out_free; @@ -934,7 +867,7 @@ xfs_scrub_agi( } /* Check inode counters */ - xfs_ialloc_agino_range(mp, agno, &first_agino, &last_agino); + xfs_agino_range(mp, agno, &first_agino, &last_agino); icount = be32_to_cpu(agi->agi_count); if (icount > last_agino - first_agino + 1 || icount < be32_to_cpu(agi->agi_freecount)) |