xfs: ensure rtx mask/shift are correct after growfs

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When growfs sets an extent size, it doesn't updated the m_rtxblklog and
m_rtxblkmask values, which could lead to incorrect usage of them if they
were set before and can't be used for the new extent size.

Add a xfs_mount_sb_set_rextsize helper that updates the two fields, and
also use it when calculating the new RT geometry instead of disabling
the optimization there.

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>

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This commit is contained in:

Christoph Hellwig 2024-08-30 15:37:01 -07:00 • committed by Darrick J. Wong

parent a18a69bbec

commit 86a0264ef2

3 changed files with 15 additions and 4 deletions

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12

fs/xfs/libxfs/xfs_sb.c

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2

fs/xfs/libxfs/xfs_sb.h

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5

fs/xfs/xfs_rtalloc.c

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