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xfs: add newly added RTGs to the free pool in growfs

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When growing a zoned RT section, the newly added RTGs also need to be
tagged as free in the radix tree and add to the nr_free_zones counters.
Call xfs_add_free_zone to do that, otherwise using up the newly added
space will wait for free zones forever.

Fixes: 01b71e64bb ("xfs: support growfs on zoned file systems")
Cc: stable@vger.kernel.org # v6.15
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
This commit is contained in:
Christoph Hellwig 2026-06-10 07:07:20 +02:00 committed by Carlos Maiolino
parent 16fc9d358d
commit ae3692c7f4
1 changed files with 8 additions and 0 deletions
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8
fs/xfs/xfs_rtalloc.c
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@ -933,6 +933,14 @@ xfs_growfs_rt_zoned(
mp->m_features |= XFS_FEAT_REALTIME;
xfs_rtrmapbt_compute_maxlevels(mp);
xfs_rtrefcountbt_compute_maxlevels(mp);
/*
* Finally add the newly added zone to the freelist and add the space
* to the available counter. The order is important here: only add
* the available space after the zones, as available space guarantees
* that zones to back it are available.
*/
xfs_zone_mark_free(rtg);
xfs_zoned_add_available(mp, freed_rtx);
out_free:
kfree(nmp);