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Diffstat (limited to 'fs/xfs/xfs_alloc.c')
-rw-r--r--fs/xfs/xfs_alloc.c45
1 files changed, 19 insertions, 26 deletions
diff --git a/fs/xfs/xfs_alloc.c b/fs/xfs/xfs_alloc.c
index 9eab2dfdcbb5..c1cf6a336a72 100644
--- a/fs/xfs/xfs_alloc.c
+++ b/fs/xfs/xfs_alloc.c
@@ -474,7 +474,6 @@ xfs_agfl_read_verify(
474 struct xfs_buf *bp) 474 struct xfs_buf *bp)
475{ 475{
476 struct xfs_mount *mp = bp->b_target->bt_mount; 476 struct xfs_mount *mp = bp->b_target->bt_mount;
477 int agfl_ok = 1;
478 477
479 /* 478 /*
480 * There is no verification of non-crc AGFLs because mkfs does not 479 * There is no verification of non-crc AGFLs because mkfs does not
@@ -485,15 +484,13 @@ xfs_agfl_read_verify(
485 if (!xfs_sb_version_hascrc(&mp->m_sb)) 484 if (!xfs_sb_version_hascrc(&mp->m_sb))
486 return; 485 return;
487 486
488 agfl_ok = xfs_verify_cksum(bp->b_addr, BBTOB(bp->b_length), 487 if (!xfs_buf_verify_cksum(bp, XFS_AGFL_CRC_OFF))
489 offsetof(struct xfs_agfl, agfl_crc)); 488 xfs_buf_ioerror(bp, EFSBADCRC);
490 489 else if (!xfs_agfl_verify(bp))
491 agfl_ok = agfl_ok && xfs_agfl_verify(bp);
492
493 if (!agfl_ok) {
494 XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
495 xfs_buf_ioerror(bp, EFSCORRUPTED); 490 xfs_buf_ioerror(bp, EFSCORRUPTED);
496 } 491
492 if (bp->b_error)
493 xfs_verifier_error(bp);
497} 494}
498 495
499static void 496static void
@@ -508,16 +505,15 @@ xfs_agfl_write_verify(
508 return; 505 return;
509 506
510 if (!xfs_agfl_verify(bp)) { 507 if (!xfs_agfl_verify(bp)) {
511 XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
512 xfs_buf_ioerror(bp, EFSCORRUPTED); 508 xfs_buf_ioerror(bp, EFSCORRUPTED);
509 xfs_verifier_error(bp);
513 return; 510 return;
514 } 511 }
515 512
516 if (bip) 513 if (bip)
517 XFS_BUF_TO_AGFL(bp)->agfl_lsn = cpu_to_be64(bip->bli_item.li_lsn); 514 XFS_BUF_TO_AGFL(bp)->agfl_lsn = cpu_to_be64(bip->bli_item.li_lsn);
518 515
519 xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), 516 xfs_buf_update_cksum(bp, XFS_AGFL_CRC_OFF);
520 offsetof(struct xfs_agfl, agfl_crc));
521} 517}
522 518
523const struct xfs_buf_ops xfs_agfl_buf_ops = { 519const struct xfs_buf_ops xfs_agfl_buf_ops = {
@@ -2238,19 +2234,17 @@ xfs_agf_read_verify(
2238 struct xfs_buf *bp) 2234 struct xfs_buf *bp)
2239{ 2235{
2240 struct xfs_mount *mp = bp->b_target->bt_mount; 2236 struct xfs_mount *mp = bp->b_target->bt_mount;
2241 int agf_ok = 1;
2242
2243 if (xfs_sb_version_hascrc(&mp->m_sb))
2244 agf_ok = xfs_verify_cksum(bp->b_addr, BBTOB(bp->b_length),
2245 offsetof(struct xfs_agf, agf_crc));
2246 2237
2247 agf_ok = agf_ok && xfs_agf_verify(mp, bp); 2238 if (xfs_sb_version_hascrc(&mp->m_sb) &&
2248 2239 !xfs_buf_verify_cksum(bp, XFS_AGF_CRC_OFF))
2249 if (unlikely(XFS_TEST_ERROR(!agf_ok, mp, XFS_ERRTAG_ALLOC_READ_AGF, 2240 xfs_buf_ioerror(bp, EFSBADCRC);
2250 XFS_RANDOM_ALLOC_READ_AGF))) { 2241 else if (XFS_TEST_ERROR(!xfs_agf_verify(mp, bp), mp,
2251 XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr); 2242 XFS_ERRTAG_ALLOC_READ_AGF,
2243 XFS_RANDOM_ALLOC_READ_AGF))
2252 xfs_buf_ioerror(bp, EFSCORRUPTED); 2244 xfs_buf_ioerror(bp, EFSCORRUPTED);
2253 } 2245
2246 if (bp->b_error)
2247 xfs_verifier_error(bp);
2254} 2248}
2255 2249
2256static void 2250static void
@@ -2261,8 +2255,8 @@ xfs_agf_write_verify(
2261 struct xfs_buf_log_item *bip = bp->b_fspriv; 2255 struct xfs_buf_log_item *bip = bp->b_fspriv;
2262 2256
2263 if (!xfs_agf_verify(mp, bp)) { 2257 if (!xfs_agf_verify(mp, bp)) {
2264 XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
2265 xfs_buf_ioerror(bp, EFSCORRUPTED); 2258 xfs_buf_ioerror(bp, EFSCORRUPTED);
2259 xfs_verifier_error(bp);
2266 return; 2260 return;
2267 } 2261 }
2268 2262
@@ -2272,8 +2266,7 @@ xfs_agf_write_verify(
2272 if (bip) 2266 if (bip)
2273 XFS_BUF_TO_AGF(bp)->agf_lsn = cpu_to_be64(bip->bli_item.li_lsn); 2267 XFS_BUF_TO_AGF(bp)->agf_lsn = cpu_to_be64(bip->bli_item.li_lsn);
2274 2268
2275 xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), 2269 xfs_buf_update_cksum(bp, XFS_AGF_CRC_OFF);
2276 offsetof(struct xfs_agf, agf_crc));
2277} 2270}
2278 2271
2279const struct xfs_buf_ops xfs_agf_buf_ops = { 2272const struct xfs_buf_ops xfs_agf_buf_ops = {