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test_ida: Move ida_check_leaf

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Convert to new API and move to kernel space.  Take the opportunity to
test the situation a little more thoroughly (ie at different offsets).

Signed-off-by: Matthew Wilcox <[email protected]>
This commit is contained in:
Matthew Wilcox 2018-06-18 17:23:37 -04:00
commit 0a3856392c
2 changed files with 25 additions and 27 deletions
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27
tools/testing/radix-tree/idr-test.c
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@ -336,32 +336,6 @@ void ida_check_nomem(void)
IDA_BUG_ON(&ida, !ida_is_empty(&ida));
}
/*
* Check what happens when we fill a leaf and then delete it. This may
* discover mishandling of IDR_FREE.
*/
void ida_check_leaf(void)
{
DEFINE_IDA(ida);
int id;
unsigned long i;
for (i = 0; i < IDA_BITMAP_BITS; i++) {
assert(ida_pre_get(&ida, GFP_KERNEL));
assert(!ida_get_new(&ida, &id));
assert(id == i);
}
ida_destroy(&ida);
assert(ida_is_empty(&ida));
assert(ida_pre_get(&ida, GFP_KERNEL));
assert(!ida_get_new(&ida, &id));
assert(id == 0);
ida_destroy(&ida);
assert(ida_is_empty(&ida));
}
/*
* Check handling of conversions between exceptional entries and full bitmaps.
*/
@ -560,7 +534,6 @@ void user_ida_checks(void)
ida_destroy(&ida);
assert(ida_is_empty(&ida));
ida_check_leaf();
ida_check_max();
ida_check_conv();
ida_check_random();