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Commit 3d251a5b authored by Akinobu Mita's avatar Akinobu Mita Committed by Artem Bityutskiy
Browse files

UBIFS: rename random32() to prandom_u32() 



Use more preferable function name which implies using a pseudo-random
number generator.

Signed-off-by: default avatarAkinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: default avatarArtem Bityutskiy <artem.bityutskiy@linux.intel.com>
parent 9931faca

fs/ubifs/debug.c

+4 −4
Original line number Diff line number Diff line
@@ -2459,7 +2459,7 @@ int dbg_check_nondata_nodes_order(struct ubifs_info *c, struct list_head *head) 


static inline int chance(unsigned int n, unsigned int out_of)

{

	return !!((random32() % out_of) + 1 <= n);

	return !!((prandom_u32() % out_of) + 1 <= n);



}
@@ -2477,13 +2477,13 @@ static int power_cut_emulated(struct ubifs_info *c, int lnum, int write) 
			if (chance(1, 2)) {

				d->pc_delay = 1;

				/* Fail withing 1 minute */

				delay = random32() % 60000;

				delay = prandom_u32() % 60000;

				d->pc_timeout = jiffies;

				d->pc_timeout += msecs_to_jiffies(delay);

				ubifs_warn("failing after %lums", delay);

			} else {

				d->pc_delay = 2;

				delay = random32() % 10000;

				delay = prandom_u32() % 10000;

				/* Fail within 10000 operations */

				d->pc_cnt_max = delay;

				ubifs_warn("failing after %lu calls", delay);
@@ -2563,7 +2563,7 @@ static int corrupt_data(const struct ubifs_info *c, const void *buf, 
	unsigned int from, to, ffs = chance(1, 2);

	unsigned char *p = (void *)buf;



	from = random32() % (len + 1);

	from = prandom_u32() % (len + 1);

	/* Corruption may only span one max. write unit */

	to = min(len, ALIGN(from, c->max_write_size));

fs/ubifs/lpt_commit.c

+7 −7
Original line number Diff line number Diff line
@@ -2007,28 +2007,28 @@ static int dbg_populate_lsave(struct ubifs_info *c) 


	if (!dbg_is_chk_gen(c))

		return 0;

	if (random32() & 3)

	if (prandom_u32() & 3)

		return 0;



	for (i = 0; i < c->lsave_cnt; i++)

		c->lsave[i] = c->main_first;



	list_for_each_entry(lprops, &c->empty_list, list)

		c->lsave[random32() % c->lsave_cnt] = lprops->lnum;

		c->lsave[prandom_u32() % c->lsave_cnt] = lprops->lnum;

	list_for_each_entry(lprops, &c->freeable_list, list)

		c->lsave[random32() % c->lsave_cnt] = lprops->lnum;

		c->lsave[prandom_u32() % c->lsave_cnt] = lprops->lnum;

	list_for_each_entry(lprops, &c->frdi_idx_list, list)

		c->lsave[random32() % c->lsave_cnt] = lprops->lnum;

		c->lsave[prandom_u32() % c->lsave_cnt] = lprops->lnum;



	heap = &c->lpt_heap[LPROPS_DIRTY_IDX - 1];

	for (i = 0; i < heap->cnt; i++)

		c->lsave[random32() % c->lsave_cnt] = heap->arr[i]->lnum;

		c->lsave[prandom_u32() % c->lsave_cnt] = heap->arr[i]->lnum;

	heap = &c->lpt_heap[LPROPS_DIRTY - 1];

	for (i = 0; i < heap->cnt; i++)

		c->lsave[random32() % c->lsave_cnt] = heap->arr[i]->lnum;

		c->lsave[prandom_u32() % c->lsave_cnt] = heap->arr[i]->lnum;

	heap = &c->lpt_heap[LPROPS_FREE - 1];

	for (i = 0; i < heap->cnt; i++)

		c->lsave[random32() % c->lsave_cnt] = heap->arr[i]->lnum;

		c->lsave[prandom_u32() % c->lsave_cnt] = heap->arr[i]->lnum;



	return 1;

}

fs/ubifs/tnc_commit.c

+1 −1
Original line number Diff line number Diff line
@@ -683,7 +683,7 @@ static int alloc_idx_lebs(struct ubifs_info *c, int cnt) 
		c->ilebs[c->ileb_cnt++] = lnum;

		dbg_cmt("LEB %d", lnum);

	}

	if (dbg_is_chk_index(c) && !(random32() & 7))

	if (dbg_is_chk_index(c) && !(prandom_u32() & 7))

		return -ENOSPC;

	return 0;

}