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PR/43727 CVS commit: src/sys/ufs/ffs
The following reply was made to PR port-xen/43727; it has been noted by GNATS.
From: Antti Kantee <pooka%netbsd.org@localhost>
Subject: PR/43727 CVS commit: src/sys/ufs/ffs
Date: Mon, 9 Aug 2010 15:50:13 +0000
Module Name: src
Committed By: pooka
Date: Mon Aug 9 15:50:13 UTC 2010
Return error if we try to mount a file system with block size > MAXBSIZE.
Note: there is a billion ways to make the kernel panic by trying
to mount a garbage file system and I don't imagine we'll ever get
close to fixing even half of them. However, for this one failing
gracefully is a bonus since Xen DomU only does 32k MAXBSIZE and
the 64k MAXBSIZE file systems are out there (PR port-xen/43727).
Tested by compiling sys/rump with CPPFLAGS+=-DMAXPHYS=32768 (all
tests in tests/fs still pass). I don't know how we're going to
translate this into an easy regression test, though. Maybe with
a hacked newfs?
To generate a diff of this commit:
cvs rdiff -u -r1.260 -r1.261 src/sys/ufs/ffs/ffs_vfsops.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
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