[RFC PATCH 11/11] xfs: add finobt support to growfs

Brian Foster
2013-09-03T18:25:48Z

Add finobt support to growfs. Initialize the agi root/level fields
and the root finobt block.

Signed-off-by: Brian Foster <bfoster@redhat.com>
---
fs/xfs/xfs_fsops.c | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)

diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
index e64ee52..2e6ef6d 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -309,6 +309,10 @@ xfs_growfs_data_private(
agi->agi_dirino = cpu_to_be32(NULLAGINO);
if (xfs_sb_version_hascrc(&mp->m_sb))
uuid_copy(&agi->agi_uuid, &mp->m_sb.sb_uuid);
+ if (xfs_sb_version_hasfinobt(&mp->m_sb)) {
+ agi->agi_free_root = cpu_to_be32(XFS_FIBT_BLOCK(mp));
+ agi->agi_free_level = cpu_to_be32(1);
+ }
for (bucket = 0; bucket < XFS_AGI_UNLINKED_BUCKETS; bucket++)
agi->agi_unlinked[bucket] = cpu_to_be32(NULLAGINO);

@@ -400,6 +404,34 @@ xfs_growfs_data_private(
xfs_buf_relse(bp);
if (error)
goto error0;
+
+ /*
+ * FINO btree root block
+ */
+ if (xfs_sb_version_hasfinobt(&mp->m_sb)) {
+ bp = xfs_growfs_get_hdr_buf(mp,
+ XFS_AGB_TO_DADDR(mp, agno, XFS_FIBT_BLOCK(mp)),
+ BTOBB(mp->m_sb.sb_blocksize), 0,
+ &xfs_inobt_buf_ops);
+ if (!bp) {
+ error = ENOMEM;
+ goto error0;
+ }
+
+ if (xfs_sb_version_hascrc(&mp->m_sb))
+ xfs_btree_init_block(mp, bp, XFS_FIBT_CRC_MAGIC,
+ 0, 0, agno,
+ XFS_BTREE_CRC_BLOCKS);
+ else
+ xfs_btree_init_block(mp, bp, XFS_FIBT_MAGIC, 0,
+ 0, agno, 0);
+
+ error = xfs_bwrite(bp);
+ xfs_buf_relse(bp);
+ if (error)
+ goto error0;
+ }
+
}
xfs_trans_agblocks_delta(tp, nfree);
/*
--
1.8.1.4