@@ -260,6 +260,11 @@ xfs_growfs_data_private(
agf->agf_longest = cpu_to_be32(tmpsize);
if (xfs_sb_version_hascrc(&mp->m_sb))
uuid_copy(&agf->agf_uuid, &mp->m_sb.sb_meta_uuid);
+ if (xfs_sb_version_hasreflink(&mp->m_sb)) {
+ agf->agf_refcount_root = cpu_to_be32(
+ xfs_refc_block(mp));
+ agf->agf_refcount_level = cpu_to_be32(1);
+ }
error = xfs_bwrite(bp);
xfs_buf_relse(bp);
@@ -451,6 +456,17 @@ xfs_growfs_data_private(
rrec->rm_offset = 0;
be16_add_cpu(&block->bb_numrecs, 1);
+ /* account for refc btree root */
+ if (xfs_sb_version_hasreflink(&mp->m_sb)) {
+ rrec = XFS_RMAP_REC_ADDR(block, 5);
+ rrec->rm_startblock = cpu_to_be32(
+ xfs_refc_block(mp));
+ rrec->rm_blockcount = cpu_to_be32(1);
+ rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_REFC);
+ rrec->rm_offset = 0;
+ be16_add_cpu(&block->bb_numrecs, 1);
+ }
+
error = xfs_bwrite(bp);
xfs_buf_relse(bp);
if (error)
@@ -508,6 +524,28 @@ xfs_growfs_data_private(
goto error0;
}
+ /*
+ * refcount btree root block
+ */
+ if (xfs_sb_version_hasreflink(&mp->m_sb)) {
+ bp = xfs_growfs_get_hdr_buf(mp,
+ XFS_AGB_TO_DADDR(mp, agno, xfs_refc_block(mp)),
+ BTOBB(mp->m_sb.sb_blocksize), 0,
+ &xfs_refcountbt_buf_ops);
+ if (!bp) {
+ error = -ENOMEM;
+ goto error0;
+ }
+
+ xfs_btree_init_block(mp, bp, XFS_REFC_CRC_MAGIC,
+ 0, 0, agno,
+ XFS_BTREE_CRC_BLOCKS);
+
+ error = xfs_bwrite(bp);
+ xfs_buf_relse(bp);
+ if (error)
+ goto error0;
+ }
}
xfs_trans_agblocks_delta(tp, nfree);
/*
Modify the growfs code to initialize new refcount btree blocks. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> --- fs/xfs/xfs_fsops.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html