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makefs: warn that ffs sectorsize other than 512 may not work

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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
This commit is contained in:
Ed Maste 2024-01-24 20:47:36 -05:00
parent 6b35310173
commit 176b9e0d72
1 changed files with 3 additions and 0 deletions
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3
usr.sbin/makefs/ffs.c
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@ -338,6 +338,9 @@ 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)