Trying FAT32 on a small partition failed to mount because pmp->pm_Sectors was nonzero. Normally, FAT32 file systems are so large that the 16-bit pm_Sectors can't hold the size. This is indicated by setting it to 0 and using only pm_HugeSectors. But at least old versions of newfs_msdos use the 16-bit field if possible, and msdosfs supports this except for breaking its own support in the sanity check. This is quite different from the handling of pm_FATsecs -- now the 16-bit value is always ignored for FAT32 except for checking that it is 0, and newfs_msdos doesn't use the 16-bit value for FAT32. Submitted by: bde MFC after: 1 week |
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bootsect.h | ||
bpb.h | ||
denode.h | ||
direntry.h | ||
fat.h | ||
msdosfs_conv.c | ||
msdosfs_denode.c | ||
msdosfs_fat.c | ||
msdosfs_fileno.c | ||
msdosfs_iconv.c | ||
msdosfs_lookup.c | ||
msdosfs_vfsops.c | ||
msdosfs_vnops.c | ||
msdosfsmount.h |