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Re: growfs(8) for NetBSD
On 2008年3月28日 00:50:10 +0100
Juan RP <xtraeme%gmail.com@localhost> wrote:
> Hey,
>
> I've just adapted growfs(8) from OpenBSD (they adapted the FreeBSD code),
> which is able to grow FFSv1 and FFSv2 filesystems.
>
> I tested growing a partition in FFSv1 and FFSv2 from 1GB to 4GB and the
> process was smooth (and fast); after this I ran 'fsck_ffs -yf /fs' and it
> found one error that was fixed correctly.
>
> I didn't find any error, so I'd think it should be safe to use it
> everywhere. Also please note that I only tried it on i386, perhaps it needs
> changes for BE and/or LP64 archs.
>
> http://www.netbsd.org/~xtraeme/growfs-20080328.tar.gz
>
> Please review and/or test it, thanks!
I tried it on sparc64. Grew a 3GB FFSv2 populated with 200MB of data to
12GB. Seems to have worked for the most part, except I also got one fsck
error:
SUMMARY INFORMATION BAD
SALVAGE? yes
BLK(S) MISSING IN BIT MAPS
SALVAGE? yes
It also needed the attached diff to compile on LP64.
(Looks good, now I only need a tool that can add more components into an
existing raidframe RAID5 set!)
Cheers,
-Tobias
--- growfs.c.orig 2008年03月28日 01:01:46.000000000 +0100
+++ growfs.c 2008年03月28日 01:05:59.000000000 +0100
@@ -257,7 +257,7 @@
initcg(cylno, utime, fso, Nflag);
if (quiet)
continue;
- j = snprintf(tmpbuf, sizeof(tmpbuf), " %lld%s",
+ j = snprintf(tmpbuf, sizeof(tmpbuf), " %" PRId64 "%s",
fsbtodb(&sblock, cgsblock(&sblock, cylno)),
cylno < (sblock.fs_ncg - 1) ? "," : "");
if (j >= sizeof(tmpbuf))
@@ -1097,7 +1097,7 @@
for (d = rounddown(d, sblock.fs_frag); d >= osblock.fs_csaddr;
d -= sblock.fs_frag) {
DBG_TRC;
- DBG_PRINT1("d=%lld\n", d);
+ DBG_PRINT1("d=% " PRId64 "\n", d);
setblock(&sblock, cg_blksfree(&acg, 0),
(d % sblock.fs_fpg) / sblock.fs_frag);
acg.cg_cs.cs_nbfree++;
@@ -2322,7 +2322,7 @@
DBG_LEAVE;
return; /* skip empty swiss cheesy file or old fastlink */
}
- DBG_PRINT2("scg checking inode (%lld in %d)\n", in, cg);
+ DBG_PRINT2("scg checking inode (%" PRId64 " in %d)\n", in, cg);
/*
* Check all the blocks.
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