[PATCH 51/51] mkfs: hack around not having enough log blocks

Darrick J. Wong
2015-10-07T05:10:50Z

Under some circumstances I don't yet understand, mkfs underestimates
the minimum log size and the kernel refuses to mount. Put in a crude
hack so that this doesn't happen.

DO NOT APPLY!!!

Singed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
---
mkfs/xfs_mkfs.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c
index 556b691..ab1e8f9 100644
--- a/mkfs/xfs_mkfs.c
+++ b/mkfs/xfs_mkfs.c
@@ -2401,6 +2401,7 @@ an AG size that is one stripe unit smaller, for example %llu.\n"),
logversion, lsunit);
ASSERT(min_logblocks);
min_logblocks = MAX(XFS_MIN_LOG_BLOCKS, min_logblocks);
+if (min_logblocks < 860) min_logblocks = 860;
if (!logsize && dblocks >= (1024*1024*1024) >> blocklog)
min_logblocks = MAX(min_logblocks, XFS_MIN_LOG_BYTES>>blocklog);
if (logsize && xi.logBBsize > 0 && logblocks > DTOBT(xi.logBBsize)) {