On Mon, 31 Mar 2014 15:32:32 -0700 Andrew Morton
wrote:
>
> On Mon, 31 Mar 2014 15:21:17 -0700 Conrad Meyer wrote:
>
> > >> + if (get_unaligned_le16(>sector_size) != 0 || b->sec_per_clus !=
> > >> 0 ||
> > >> + b->reserved != 0 || b->fats != 0 ||
> > >> +
On Mon, 31 Mar 2014 15:21:17 -0700 Conrad Meyer wrote:
> >> + if (get_unaligned_le16(>sector_size) != 0 || b->sec_per_clus != 0
> >> ||
> >> + b->reserved != 0 || b->fats != 0 ||
> >> + get_unaligned_le16(>dir_entries) != 0 ||
> >> +
On Mon, Mar 31, 2014 at 3:13 PM, Andrew Morton
wrote:
> On Sat, 29 Mar 2014 12:10:35 -0700 Conrad Meyer wrote:
>
>> + .nr_sectors = 360 * KB_IN_SECTORS,
>> + .sec_per_clus = 2,
>> + .dir_entries = 112,
>> + .media = 0xFD,
>> + .fat_length = 2,
>> +},
>> +{ 0 } };
>
> We don't
On Sat, 29 Mar 2014 12:10:35 -0700 Conrad Meyer wrote:
> When possible, infer DOS 2.x BIOS Parameter Block from block device
> geometry (for floppies and floppy images). Update in-memory only. We
> only perform this update when the entire BPB region is zeroed, like
> produced by DOS 1.x-era
On Mon, 31 Mar 2014 23:07:32 +0900
OGAWA Hirofumi wrote:
> Conrad Meyer writes:
>
> > +static void fat_update_archaic_boot_sector(struct
> > super_block *sb,
> > + struct fat_boot_sector *b)
> > +{
> > + struct fat_floppy_defaults *di;
> > + sector_t bd_sects;
> > +
> > + /* 16-bit DOS
Conrad Meyer writes:
> +static void fat_update_archaic_boot_sector(struct super_block *sb,
> + struct fat_boot_sector *b)
> +{
> + struct fat_floppy_defaults *di;
> + sector_t bd_sects;
> +
> + /* 16-bit DOS 1.x reliably wrote bootstrap short-jmp code */
> + if (b->ignored[0]
Conrad Meyer ceme...@uw.edu writes:
+static void fat_update_archaic_boot_sector(struct super_block *sb,
+ struct fat_boot_sector *b)
+{
+ struct fat_floppy_defaults *di;
+ sector_t bd_sects;
+
+ /* 16-bit DOS 1.x reliably wrote bootstrap short-jmp code */
+ if
On Mon, 31 Mar 2014 23:07:32 +0900
OGAWA Hirofumi hirof...@mail.parknet.co.jp wrote:
Conrad Meyer ceme...@uw.edu writes:
+static void fat_update_archaic_boot_sector(struct
super_block *sb,
+ struct fat_boot_sector *b)
+{
+ struct fat_floppy_defaults *di;
+ sector_t bd_sects;
On Sat, 29 Mar 2014 12:10:35 -0700 Conrad Meyer ceme...@uw.edu wrote:
When possible, infer DOS 2.x BIOS Parameter Block from block device
geometry (for floppies and floppy images). Update in-memory only. We
only perform this update when the entire BPB region is zeroed, like
produced by DOS
On Mon, Mar 31, 2014 at 3:13 PM, Andrew Morton
a...@linux-foundation.org wrote:
On Sat, 29 Mar 2014 12:10:35 -0700 Conrad Meyer ceme...@uw.edu wrote:
+ .nr_sectors = 360 * KB_IN_SECTORS,
+ .sec_per_clus = 2,
+ .dir_entries = 112,
+ .media = 0xFD,
+ .fat_length = 2,
+},
On Mon, 31 Mar 2014 15:21:17 -0700 Conrad Meyer cse@gmail.com wrote:
+ if (get_unaligned_le16(b-sector_size) != 0 || b-sec_per_clus != 0
||
+ b-reserved != 0 || b-fats != 0 ||
+ get_unaligned_le16(b-dir_entries) != 0 ||
+
On Mon, 31 Mar 2014 15:32:32 -0700 Andrew Morton a...@linux-foundation.org
wrote:
On Mon, 31 Mar 2014 15:21:17 -0700 Conrad Meyer cse@gmail.com wrote:
+ if (get_unaligned_le16(b-sector_size) != 0 || b-sec_per_clus !=
0 ||
+ b-reserved != 0 || b-fats != 0 ||
+
When possible, infer DOS 2.x BIOS Parameter Block from block device
geometry (for floppies and floppy images). Update in-memory only. We
only perform this update when the entire BPB region is zeroed, like
produced by DOS 1.x-era FORMAT (and other OEM variations on DOS).
Fixes kernel.org bug
When possible, infer DOS 2.x BIOS Parameter Block from block device
geometry (for floppies and floppy images). Update in-memory only. We
only perform this update when the entire BPB region is zeroed, like
produced by DOS 1.x-era FORMAT (and other OEM variations on DOS).
Fixes kernel.org bug
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