diff options
Diffstat (limited to 'fs/xfs/scrub/repair.c')
-rw-r--r-- | fs/xfs/scrub/repair.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/fs/xfs/scrub/repair.c b/fs/xfs/scrub/repair.c index 01b7e8d1a58b..a604f0cea8c1 100644 --- a/fs/xfs/scrub/repair.c +++ b/fs/xfs/scrub/repair.c @@ -806,3 +806,62 @@ xrep_reinit_pagf( return 0; } + +/* + * Reinitialize the in-core AG state after a repair by rereading the AGI + * buffer. We had better get the same AGI buffer as the one that's attached + * to the scrub context. + */ +int +xrep_reinit_pagi( + struct xfs_scrub *sc) +{ + struct xfs_perag *pag = sc->sa.pag; + struct xfs_buf *bp; + int error; + + ASSERT(pag); + ASSERT(xfs_perag_initialised_agi(pag)); + + clear_bit(XFS_AGSTATE_AGI_INIT, &pag->pag_opstate); + error = xfs_ialloc_read_agi(pag, sc->tp, &bp); + if (error) + return error; + + if (bp != sc->sa.agi_bp) { + ASSERT(bp == sc->sa.agi_bp); + return -EFSCORRUPTED; + } + + return 0; +} + +/* Reinitialize the per-AG block reservation for the AG we just fixed. */ +int +xrep_reset_perag_resv( + struct xfs_scrub *sc) +{ + int error; + + if (!(sc->flags & XREP_RESET_PERAG_RESV)) + return 0; + + ASSERT(sc->sa.pag != NULL); + ASSERT(sc->ops->type == ST_PERAG); + ASSERT(sc->tp); + + sc->flags &= ~XREP_RESET_PERAG_RESV; + error = xfs_ag_resv_free(sc->sa.pag); + if (error) + goto out; + error = xfs_ag_resv_init(sc->sa.pag, sc->tp); + if (error == -ENOSPC) { + xfs_err(sc->mp, +"Insufficient free space to reset per-AG reservation for AG %u after repair.", + sc->sa.pag->pag_agno); + error = 0; + } + +out: + return error; +} |