diff options
| author | Akinobu Mita <akinobu.mita@gmail.com> | 2013-01-03 21:19:09 +0900 |
|---|---|---|
| committer | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2013-02-22 10:16:28 +0200 |
| commit | 410976e5fd5c8f5c6725b7940f8a710704adb80c (patch) | |
| tree | 8a9183f01545c16d26a4a1d48563a0b3f238dce5 /fs | |
| parent | 4377a3bae6866da5416d15ebe8aefd659ff618dc (diff) | |
UBIFS: rename random32() to prandom_u32()
Use more preferable function name which implies using a pseudo-random
number generator.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ubifs/debug.c | 8 | ||||
| -rw-r--r-- | fs/ubifs/lpt_commit.c | 14 | ||||
| -rw-r--r-- | fs/ubifs/tnc_commit.c | 2 |
3 files changed, 12 insertions, 12 deletions
diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c index 09164b6c27fa..27ab0f0ca180 100644 --- a/fs/ubifs/debug.c +++ b/fs/ubifs/debug.c @@ -2459,7 +2459,7 @@ error_dump: 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)); diff --git a/fs/ubifs/lpt_commit.c b/fs/ubifs/lpt_commit.c index 9daaeef675dd..4b826abb1528 100644 --- a/fs/ubifs/lpt_commit.c +++ b/fs/ubifs/lpt_commit.c @@ -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; } diff --git a/fs/ubifs/tnc_commit.c b/fs/ubifs/tnc_commit.c index 523bbad69c0c..52a6559275c4 100644 --- a/fs/ubifs/tnc_commit.c +++ b/fs/ubifs/tnc_commit.c @@ -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; } |