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dm: constify argument arrays

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The arrays of 'struct dm_arg' are never modified by the device-mapper
core, so constify them so that they are placed in .rodata.

(Exception: the args array in dm-raid cannot be constified because it is
allocated on the stack and modified.)

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Eric Biggers
2017-06-22 11:32:45 -07:00
committed by Mike Snitzer
parent 3f2e539359
commit 5916a22b83
10 changed files with 20 additions and 19 deletions
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2
drivers/md/dm-thin.c
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@@ -3041,7 +3041,7 @@ static int parse_pool_features(struct dm_arg_set *as, struct pool_features *pf,
unsigned argc;
const char *arg_name;
static struct dm_arg _args[] = {
static const struct dm_arg _args[] = {
{0, 4, "Invalid number of pool feature arguments"},
};