| From 1e76e5778a1885452939a79d9145b80634a5b023 Mon Sep 17 00:00:00 2001 |
| From: Andreas Bombe <aeb@debian.org> |
| Date: Wed, 11 May 2016 03:44:58 +0200 |
| Subject: [PATCH] mkfs: Default to 64/32 heads/sectors for targets smaller than |
| 512 MB |
| |
| This may put defaults in certain use cases a little bit more in line |
| with the old defaults in versions up to 3.0.28. It has mostly aesthetic |
| value in most cases. |
| |
| Signed-off-by: Andreas Bombe <aeb@debian.org> |
| Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar> |
| --- |
| Patch status: upstream |
| |
| src/mkfs.fat.c | 10 ++++++++++ |
| 1 file changed, 10 insertions(+) |
| |
| diff --git a/src/mkfs.fat.c b/src/mkfs.fat.c |
| index 8a320fd..bad492b 100644 |
| --- a/src/mkfs.fat.c |
| +++ b/src/mkfs.fat.c |
| @@ -519,6 +519,16 @@ static void establish_params(struct device_info *info) |
| unsigned int cluster_size = 4; /* starting point for FAT12 and FAT16 */ |
| int def_root_dir_entries = 512; |
| |
| + if (info->size < 512 * 1024 * 1024) { |
| + /* |
| + * These values are more or less meaningless, but we can at least |
| + * use less extreme values for smaller filesystems where the large |
| + * dummy values signifying LBA only access are not needed. |
| + */ |
| + sec_per_track = 32; |
| + heads = 64; |
| + } |
| + |
| if (info->type != TYPE_FIXED) { |
| /* enter default parameters for floppy disks if the size matches */ |
| switch (info->size / 1024) { |
| -- |
| 2.7.3 |
| |