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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-06-09 09:11:21 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-06-09 09:11:21 +0200
commit0154ec71d597692a0d0682b19eac4b3adfb7f3dc (patch)
tree121b4ac35146f5696da090d3ae2534c76523e6c2 /fs/xfs/libxfs/xfs_ialloc_btree.c
parent9c3cef54c50d93871eaa46c28a06de8bd03fab63 (diff)
parentd1fdb6d8f6a4109a4263176c84b899076a5f8008 (diff)
Merge 5.2-rc4 into char-misc-next
We want the char/misc driver fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/xfs/libxfs/xfs_ialloc_btree.c')
-rw-r--r--fs/xfs/libxfs/xfs_ialloc_btree.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c
index 1080381ff243..bc2dfacd2f4a 100644
--- a/fs/xfs/libxfs/xfs_ialloc_btree.c
+++ b/fs/xfs/libxfs/xfs_ialloc_btree.c
@@ -549,6 +549,15 @@ xfs_inobt_max_size(
if (mp->m_inobt_mxr[0] == 0)
return 0;
+ /*
+ * The log is permanently allocated, so the space it occupies will
+ * never be available for the kinds of things that would require btree
+ * expansion. We therefore can pretend the space isn't there.
+ */
+ if (mp->m_sb.sb_logstart &&
+ XFS_FSB_TO_AGNO(mp, mp->m_sb.sb_logstart) == agno)
+ agblocks -= mp->m_sb.sb_logblocks;
+
return xfs_btree_calc_size(mp->m_inobt_mnr,
(uint64_t)agblocks * mp->m_sb.sb_inopblock /
XFS_INODES_PER_CHUNK);