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xfs: enable realtime rmap btree

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Permit mounting filesystems with realtime rmap btrees.

Signed-off-by: "Darrick J. Wong" <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Darrick J. Wong 2024-11-20 16:20:45 -08:00
parent 799e7e6566
commit c2358439af
2 changed files with 8 additions and 10 deletions
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12
fs/xfs/xfs_rtalloc.c
View File

@ -1282,11 +1282,15 @@ xfs_growfs_rt(
XFS_FSB_TO_B(mp, in->extsize) < XFS_MIN_RTEXTSIZE)
goto out_unlock;
/* Unsupported realtime features. */
/* Check for features supported only on rtgroups filesystems. */
error = -EOPNOTSUPP;
if (xfs_has_quota(mp) && !xfs_has_rtgroups(mp))
goto out_unlock;
if (xfs_has_rmapbt(mp) || xfs_has_reflink(mp))
if (!xfs_has_rtgroups(mp)) {
if (xfs_has_rmapbt(mp))
goto out_unlock;
if (xfs_has_quota(mp))
goto out_unlock;
}
if (xfs_has_reflink(mp))
goto out_unlock;
error = xfs_sb_validate_fsb_count(&mp->m_sb, in->newblocks);

6
fs/xfs/xfs_super.c
View File

@ -1767,12 +1767,6 @@ xfs_fs_fill_super(
}
}
if (xfs_has_rmapbt(mp) && mp->m_sb.sb_rblocks) {
xfs_alert(mp,
"reverse mapping btree not compatible with realtime device!");
error = -EINVAL;
goto out_filestream_unmount;
}
if (xfs_has_exchange_range(mp))
xfs_warn_experimental(mp, XFS_EXPERIMENTAL_EXCHRANGE);