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if: remember info

This commit is contained in:
Thomas Schoebel-Theuer 2019-02-06 10:08:44 +01:00 committed by Thomas Schoebel-Theuer
parent ee580d6aa8
commit 45d3ff4226
2 changed files with 4 additions and 4 deletions
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7
kernel/mars_if.c
View File

@ -911,17 +911,16 @@ loff_t if_get_capacity(struct if_brick *brick)
* device than physically.
*/
if (brick->dev_size <= 0) {
struct mars_info info = {};
struct if_input *input = brick->inputs[0];
int status;
status = GENERIC_INPUT_CALL(input, mars_get_info, &info);
status = GENERIC_INPUT_CALL(input, mars_get_info, &brick->info);
if (unlikely(status < 0)) {
MARS_ERR("cannot get device info, status=%d\n", status);
return 0;
}
MARS_INF("determined default capacity: %lld bytes\n", info.current_size);
brick->dev_size = info.current_size;
MARS_INF("determined default capacity: %lld bytes\n", brick->info.current_size);
brick->dev_size = brick->info.current_size;
}
return brick->dev_size;
}

1
kernel/mars_if.h
View File

@ -109,6 +109,7 @@ struct if_brick {
// private
struct semaphore switch_sem;
struct say_channel *say_channel;
struct mars_info info;
};
MARS_TYPES(if);