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Diffstat (limited to 'btrfs-corrupt-block.c')
-rw-r--r--btrfs-corrupt-block.c23
1 files changed, 11 insertions, 12 deletions
diff --git a/btrfs-corrupt-block.c b/btrfs-corrupt-block.c
index fb6fcaad..020afab5 100644
--- a/btrfs-corrupt-block.c
+++ b/btrfs-corrupt-block.c
@@ -131,8 +131,8 @@ static void corrupt_keys(struct btrfs_trans_handle *trans,
if (nr == 0)
return;
- slot = rand() % nr;
- bad_slot = rand() % nr;
+ slot = rand_range(nr);
+ bad_slot = rand_range(nr);
if (bad_slot == slot)
return;
@@ -181,7 +181,7 @@ static int corrupt_extent(struct btrfs_trans_handle *trans,
struct btrfs_path *path;
int ret;
int slot;
- int should_del = rand() % 3;
+ int should_del = rand_range(3);
path = btrfs_alloc_path();
if (!path)
@@ -258,7 +258,7 @@ static void btrfs_corrupt_extent_leaf(struct btrfs_trans_handle *trans,
struct extent_buffer *eb)
{
u32 nr = btrfs_header_nritems(eb);
- u32 victim = rand() % nr;
+ u32 victim = rand_range(nr);
u64 objectid;
struct btrfs_key key;
@@ -282,7 +282,7 @@ static void btrfs_corrupt_extent_tree(struct btrfs_trans_handle *trans,
}
if (btrfs_header_level(eb) == 1 && eb != root->node) {
- if (rand() % 5)
+ if (rand_range(5))
return;
}
@@ -391,7 +391,7 @@ static u64 generate_u64(u64 orig)
{
u64 ret;
do {
- ret = rand();
+ ret = rand_u64();
} while (ret == orig);
return ret;
}
@@ -400,7 +400,7 @@ static u32 generate_u32(u32 orig)
{
u32 ret;
do {
- ret = rand();
+ ret = rand_u32();
} while (ret == orig);
return ret;
}
@@ -409,7 +409,7 @@ static u8 generate_u8(u8 orig)
{
u8 ret;
do {
- ret = rand();
+ ret = rand_u8();
} while (ret == orig);
return ret;
}
@@ -945,7 +945,7 @@ static int corrupt_chunk_tree(struct btrfs_trans_handle *trans,
while (!btrfs_previous_item(root, path, 0, BTRFS_DEV_ITEM_KEY)) {
slot = path->slots[0];
leaf = path->nodes[0];
- del = rand() % 3;
+ del = rand_range(3);
/* Never delete the first item to keep the leaf structure */
if (path->slots[0] == 0)
del = 0;
@@ -972,7 +972,7 @@ static int corrupt_chunk_tree(struct btrfs_trans_handle *trans,
while (!btrfs_previous_item(root, path, 0, BTRFS_CHUNK_ITEM_KEY)) {
slot = path->slots[0];
leaf = path->nodes[0];
- del = rand() % 3;
+ del = rand_range(3);
btrfs_item_key_to_cpu(leaf, &found_key, slot);
ret = corrupt_item_nocow(trans, root, path, del);
if (ret)
@@ -1041,7 +1041,6 @@ int main(int argc, char **argv)
char field[FIELD_BUF_LEN];
field[0] = '\0';
- srand(128);
memset(&key, 0, sizeof(key));
while(1) {
@@ -1180,7 +1179,7 @@ int main(int argc, char **argv)
if (logical == (u64)-1)
print_usage(1);
- del = rand() % 3;
+ del = rand_range(3);
path = btrfs_alloc_path();
if (!path) {
fprintf(stderr, "path allocation failed\n");