fsck remounts / read-write?

[Ed Schouten]

* Yar Tikhiy <yar at comp.chem.msu.su> wrote:
> Hi all,
> 
> Has anybody else noticed the following strangeness: running fsck
> on the read-only / (from single user) results in the / mount upgraded
> to read-write?  E.g.:
> 
> 	Trying to mount root from ufs:/dev/ad0s3a
> 	WARNING: / was not properly dismounted
> 	start_init: trying /sbin/init
> 	Enter full pathname of shell or RETURN for /bin/sh:
> 	# mount
> 	/dev/ad0s3a on / (ufs, local, read-only)
> 	devfs on /dev (devfs, local)
> 	# fsck /
> 	** /dev/ad0s3a
> 	** Last Mounted on /
> 	** Root file system
> 	** Phase 1 - Check Blocks and Sizes
> 	** Phase 2 - Check Pathnames
> 	** Phase 3 - Check Connectivity
> 	** Phase 4 - Check Reference Counts
> 	** Phase 5 - Check Cyl groups
> 	3850 files, 189623 used, 64192 free (680 frags, 7939 blocks, 0.3% fragmentation)
> 	***** FILE SYSTEM MARKED CLEAN *****
> 	# mount
> 	/dev/ad0s3a on / (ufs, local)
> 	devfs on /dev (devfs, local)
> 
> I guess that `fsck /' issues a mount reload after modifying the FS,
> but IMHO it shouldn't remount the FS read-write, should it?

Could be related to this PR:

	http://www.freebsd.org/cgi/query-pr.cgi?pr=bin/106636

-- 
 Ed Schouten <ed at fxq.nl>
 WWW: http://g-rave.nl/
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