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dm integrity: fix the maximum number of arguments

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commit 17ffc193cdc6dc7a613d00d8ad47fc1f801b9bf0 upstream.

Advance the maximum number of arguments from 9 to 15 to account for
all potential feature flags that may be supplied.

Linux 4.19 added "meta_device"
(356d9d52e1221ba0c9f10b8b38652f78a5298329) and "recalculate"
(a3fcf7253139609bf9ff901fbf955fba047e75dd) flags.

Commit 468dfca38b1a6fbdccd195d875599cb7c8875cd9 added
"sectors_per_bit" and "bitmap_flush_interval".

Commit 84597a44a9d86ac949900441cea7da0af0f2f473 added
"allow_discards".

And the commit d537858ac8aaf4311b51240893add2fc62003b97 added
"fix_padding".

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org # v4.19+
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mikulas Patocka 2021-01-12 14:54:47 -05:00 committed by Greg Kroah-Hartman
parent 5caac6317d
commit ad5f19c7e9
1 changed files with 1 additions and 1 deletions
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2
drivers/md/dm-integrity.c
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@ -3585,7 +3585,7 @@ static int dm_integrity_ctr(struct dm_target *ti, unsigned argc, char **argv)
unsigned extra_args;
struct dm_arg_set as;
static const struct dm_arg _args[] = {
{0, 9, "Invalid number of feature args"},
{0, 15, "Invalid number of feature args"},
};
unsigned journal_sectors, interleave_sectors, buffer_sectors, journal_watermark, sync_msec;
bool should_write_sb;