diff options
| author | dg <dg@FreeBSD.org> | 1994-10-22 02:21:53 +0000 |
|---|---|---|
| committer | dg <dg@FreeBSD.org> | 1994-10-22 02:21:53 +0000 |
| commit | 4d06675bdc1e27111fe0fd9ef02912b2aaf41260 (patch) | |
| tree | b196a75d99a8f6f1d203e15d7573a1bf7ab493db | |
| parent | e8b2d4b14c49ad8f46cf79513b197ef3b035c72b (diff) | |
| download | FreeBSD-src-4d06675bdc1e27111fe0fd9ef02912b2aaf41260.zip FreeBSD-src-4d06675bdc1e27111fe0fd9ef02912b2aaf41260.tar.gz | |
Restrict fs_maxfilesize to 2^40; this is part of a bug fix from Kirk
McKusick to work around problems in FFS related to the blkno of a 64bit
offset not fitting into an int.
Submitted by: Marshall Kirk McKusick
| -rw-r--r-- | sbin/newfs/mkfs.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sbin/newfs/mkfs.c b/sbin/newfs/mkfs.c index 4ca25a2..062a82d 100644 --- a/sbin/newfs/mkfs.c +++ b/sbin/newfs/mkfs.c @@ -284,6 +284,8 @@ mkfs(pp, fsys, fi, fo) sizepb *= NINDIR(&sblock); sblock.fs_maxfilesize += sizepb; } + /* XXX - hack to prevent overflow of a 32bit block number */ + sblock.fs_maxfilesize = MIN(sblock.fs_maxfilesize, (u_quad_t) 1 << 39); /* * Validate specified/determined secpercyl * and calculate minimum cylinders per group. |
