2016-06-21 06:33:50 +00:00
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From 1e76e5778a1885452939a79d9145b80634a5b023 Mon Sep 17 00:00:00 2001
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From: Andreas Bombe <aeb@debian.org>
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Date: Wed, 11 May 2016 03:44:58 +0200
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Subject: [PATCH] mkfs: Default to 64/32 heads/sectors for targets smaller than
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512 MB
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This may put defaults in certain use cases a little bit more in line
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with the old defaults in versions up to 3.0.28. It has mostly aesthetic
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value in most cases.
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Signed-off-by: Andreas Bombe <aeb@debian.org>
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---
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src/mkfs.fat.c | 10 ++++++++++
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1 file changed, 10 insertions(+)
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--- a/src/mkfs.fat.c
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+++ b/src/mkfs.fat.c
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2016-07-13 17:13:49 +00:00
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@@ -519,6 +519,16 @@ static void establish_params(struct devi
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2016-06-21 06:33:50 +00:00
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unsigned int cluster_size = 4; /* starting point for FAT12 and FAT16 */
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int def_root_dir_entries = 512;
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+ if (info->size < 512 * 1024 * 1024) {
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+ /*
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+ * These values are more or less meaningless, but we can at least
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+ * use less extreme values for smaller filesystems where the large
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+ * dummy values signifying LBA only access are not needed.
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+ */
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+ sec_per_track = 32;
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+ heads = 64;
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+ }
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+
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if (info->type != TYPE_FIXED) {
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/* enter default parameters for floppy disks if the size matches */
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switch (info->size / 1024) {
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