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Exit with a non-zero status upon a block allocation failure.

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The old way of just returning could result in a file system
extremely likely to panic the kernel.  The warning printed
wouldn't help much since tools invoking newfs(8), e.g., mdmfs(8),
couldn't detect the error.

PR:		bin/55078
MFC after:	1 week
This commit is contained in:
Yaroslav Tykhiy 2003-08-05 13:35:17 +00:00
parent 449f11fac6
commit 244fca1ffa
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=118493
1 changed files with 3 additions and 3 deletions
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6
sbin/newfs/mkfs.c
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@ -789,17 +789,17 @@ alloc(int size, int mode)
sblock.fs_cgsize);
if (acg.cg_magic != CG_MAGIC) {
printf("cg 0: bad magic number\n");
return (0);
exit(38);
}
if (acg.cg_cs.cs_nbfree == 0) {
printf("first cylinder group ran out of space\n");
return (0);
exit(39);
}
for (d = 0; d < acg.cg_ndblk; d += sblock.fs_frag)
if (isblock(&sblock, cg_blksfree(&acg), d / sblock.fs_frag))
goto goth;
printf("internal error: can't find block in cyl 0\n");
return (0);
exit(40);
goth:
blkno = fragstoblks(&sblock, d);
clrblock(&sblock, cg_blksfree(&acg), blkno);