diff options
author | Aaron Campbell <aaron@cvs.openbsd.org> | 2000-03-15 03:18:03 +0000 |
---|---|---|
committer | Aaron Campbell <aaron@cvs.openbsd.org> | 2000-03-15 03:18:03 +0000 |
commit | e3565a3a361f3ede9a01fac73743e3f60ebbea82 (patch) | |
tree | ca9d4e62660a1bd0a8063645f63e573350b2a870 /sys/msdosfs/msdosfs_vfsops.c | |
parent | 76532a54036a608113fa6d6998eb9cc5c3c7580c (diff) |
Support FAT32 partitions >4GB (up to 128GB, in fact); d@ ok, from NetBSD.
Diffstat (limited to 'sys/msdosfs/msdosfs_vfsops.c')
-rw-r--r-- | sys/msdosfs/msdosfs_vfsops.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/msdosfs/msdosfs_vfsops.c b/sys/msdosfs/msdosfs_vfsops.c index efcf50c6c1b..7d3c727eaa0 100644 --- a/sys/msdosfs/msdosfs_vfsops.c +++ b/sys/msdosfs/msdosfs_vfsops.c @@ -1,4 +1,4 @@ -/* $OpenBSD: msdosfs_vfsops.c,v 1.19 2000/02/07 04:57:17 assar Exp $ */ +/* $OpenBSD: msdosfs_vfsops.c,v 1.20 2000/03/15 03:18:02 aaron Exp $ */ /* $NetBSD: msdosfs_vfsops.c,v 1.48 1997/10/18 02:54:57 briggs Exp $ */ /*- @@ -269,6 +269,7 @@ msdosfs_mountfs(devvp, mp, p, argp) u_int8_t SecPerClust; int ronly, error; int bsize = 0, dtype = 0, tmp; + u_long dirsperblk; /* * Disallow multiple mounts of the same device. @@ -366,7 +367,9 @@ msdosfs_mountfs(devvp, mp, p, argp) pmp->pm_HiddenSects = getushort(b33->bpbHiddenSecs); pmp->pm_HugeSectors = pmp->pm_Sectors; } - if (pmp->pm_HugeSectors > 0xffffffff / pmp->pm_BytesPerSec + 1) { + + dirsperblk = pmp->pm_BytesPerSec / sizeof(struct direntry); + if (pmp->pm_HugeSectors > 0xffffffff / dirsperblk + 1) { /* * We cannot deal currently with this size of disk * due to fileid limitations (see msdosfs_getattr and |