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Make sure FAT32 filesystems contain a minimum of 65527 clusters

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Some versions of windows cannot handle FAT32 filesystems with less
than 65527 clusters, so make sure we don't create such beasts.

Change-Id: Id00fb02c4f8476f7dcc0ef137bd9e4975d740591
This commit is contained in:
Ken Sumrall 2011-12-14 21:28:27 -08:00
parent b012679f97
commit ec3b164524
1 changed files with 2 additions and 1 deletions
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3
toolbox/newfs_msdos.c
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@ -431,7 +431,8 @@ newfs_msdos_main(int argc, char *argv[])
bpb.spc = 8;
else if (bpb.bsec <= (1<<19)) /* 256M -> 8k */
bpb.spc = 16;
else if (bpb.bsec <= (1<<21)) /* 1G -> 16k */
else if (bpb.bsec <= (1<<22)) /* 2G -> 16k, some versions of windows
require a minimum of 65527 clusters */
bpb.spc = 32;
else
bpb.spc = 64; /* otherwise 32k */