diff options
Diffstat (limited to 'tools/dosfstools/patches/0001-mkfs-Default-to-64-32-heads-sectors-for-targets-smal.patch')
| -rw-r--r-- | tools/dosfstools/patches/0001-mkfs-Default-to-64-32-heads-sectors-for-targets-smal.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/tools/dosfstools/patches/0001-mkfs-Default-to-64-32-heads-sectors-for-targets-smal.patch b/tools/dosfstools/patches/0001-mkfs-Default-to-64-32-heads-sectors-for-targets-smal.patch new file mode 100644 index 0000000000..09e732016e --- /dev/null +++ b/tools/dosfstools/patches/0001-mkfs-Default-to-64-32-heads-sectors-for-targets-smal.patch @@ -0,0 +1,39 @@ +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> +--- + 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) { +-- +2.1.4 + |