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feat: taken qsort from PDCLIB, Sorting drivers. Generic driver

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structure. Driver ranking
This commit is contained in:
Rick Rongen
2021-03-07 14:43:35 +01:00
parent 01efc5e98a
commit f6e720bad9
11 changed files with 255 additions and 44 deletions
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16
kernel/fs/blockdev.c
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@@ -9,6 +9,7 @@
#include <tasks/task.h>
#include <tasks/locking.h>
#include <attributes.h>
#include <libc/sort.h>
#include "blockdev.h"
#define MAX_BLOCK_DEVS 64
@@ -79,6 +80,21 @@ void block_dev_scan() {
}
}
int block_dev_driver_comp(const void *a, const void *b) {
int rank_a = ((struct block_dev_driver *) a)->rank;
int rank_b = ((struct block_dev_driver *) b)->rank;
if (rank_a > rank_b) {
return 1;
} else if (rank_a < rank_b) {
return -1;
}
return 0;
}
void block_dev_pre_init() {
qsort(DRIVER(0), NUM_DRIVERS, sizeof(struct block_dev_driver), block_dev_driver_comp);
}
void noreturn block_dev_task(void *data) {
while (true) {
semaphore_wait(block_semaphore);