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xfs: calculate RT bitmap and summary blocks based on sb_rextents

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Use the on-disk rextents to calculate the bitmap and summary blocks
instead of the calculated one so that we can refactor the helpers for
calculating them.

As the RT bitmap and summary scrubbers already check that sb_rextents
match the block count this does not change coverage of the scrubber.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
This commit is contained in:
Christoph Hellwig 2024-11-03 20:19:12 -08:00 committed by Darrick J. Wong
parent c1442d22a0
commit cb9cd6e56e
2 changed files with 5 additions and 3 deletions
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3
fs/xfs/scrub/rtbitmap.c
View File

@ -67,7 +67,8 @@ xchk_setup_rtbitmap(
if (mp->m_sb.sb_rblocks) {
rtb->rextents = xfs_rtb_to_rtx(mp, mp->m_sb.sb_rblocks);
rtb->rextslog = xfs_compute_rextslog(rtb->rextents);
rtb->rbmblocks = xfs_rtbitmap_blockcount(mp, rtb->rextents);
rtb->rbmblocks = xfs_rtbitmap_blockcount(mp,
mp->m_sb.sb_rextents);
}
return 0;

5
fs/xfs/scrub/rtsummary.c
View File

@ -105,9 +105,10 @@ xchk_setup_rtsummary(
int rextslog;
rts->rextents = xfs_rtb_to_rtx(mp, mp->m_sb.sb_rblocks);
rextslog = xfs_compute_rextslog(rts->rextents);
rextslog = xfs_compute_rextslog(mp->m_sb.sb_rextents);
rts->rsumlevels = rextslog + 1;
rts->rbmblocks = xfs_rtbitmap_blockcount(mp, rts->rextents);
rts->rbmblocks = xfs_rtbitmap_blockcount(mp,
mp->m_sb.sb_rextents);
rts->rsumblocks = xfs_rtsummary_blockcount(mp, rts->rsumlevels,
rts->rbmblocks);
}