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author | Ed Maste <emaste@FreeBSD.org> | 2024-01-25 01:47:36 +0000 |
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committer | Ed Maste <emaste@FreeBSD.org> | 2024-03-22 18:42:59 +0000 |
commit | 8e402178193f7b273a956b864d8d8b288ce62ee7 (patch) | |
tree | 058abadbf1cf78b7fe94d6edef9f3fd5b1ac69e0 | |
parent | a323dd42bcacdcd6b710fb90ba6691c6ce60cd3d (diff) | |
download | src-8e402178193f7b273a956b864d8d8b288ce62ee7.tar.gz src-8e402178193f7b273a956b864d8d8b288ce62ee7.zip |
makefs: warn that ffs sectorsize other than 512 may not work
newfs always sets sectorsize to DEV_BSIZE (512) and derives some other
values based on the number of 512-byte sectors per real sector. Similar
logic is required in makefs. Until that happens, emit a warning that
the image may be incorrect.
PR: 276571
(cherry picked from commit 176b9e0d724b4c1a24d2c46a1256381784f04edc)
-rw-r--r-- | usr.sbin/makefs/ffs.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/usr.sbin/makefs/ffs.c b/usr.sbin/makefs/ffs.c index 597379cc1a4c..97c1d6ccefda 100644 --- a/usr.sbin/makefs/ffs.c +++ b/usr.sbin/makefs/ffs.c @@ -340,6 +340,9 @@ ffs_validate(const char *dir, fsnode *root, fsinfo_t *fsopts) /* set FFS defaults */ if (fsopts->sectorsize == -1) fsopts->sectorsize = DFL_SECSIZE; + if (fsopts->sectorsize != DFL_SECSIZE) + warnx("sectorsize %d may produce nonfunctional image", + fsopts->sectorsize); if (ffs_opts->fsize == -1) ffs_opts->fsize = MAX(DFL_FRAGSIZE, fsopts->sectorsize); if (ffs_opts->bsize == -1) |