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Btrfs: self-tests: Support non-4k page size

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self-tests code assumes 4k as the sectorsize and nodesize. This commit
fix hardcoded 4K. Enables the self-tests code to be executed on non-4k
page sized systems (e.g. ppc64).

Reviewed-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Feifei Xu <xufeifei@linux.vnet.ibm.com>
Signed-off-by: Chandan Rajendra <chandan@linux.vnet.ibm.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Feifei Xu
2016-06-01 19:18:25 +08:00
committed by David Sterba
parent 0ef6447a3d
commit b9ef22dedd
15 changed files with 357 additions and 293 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
fs/btrfs/tests/extent-io-tests.c
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@@ -65,7 +65,7 @@ static noinline int process_page_range(struct inode *inode, u64 start, u64 end,
return count;
}
static int test_find_delalloc(void)
static int test_find_delalloc(u32 sectorsize)
{
struct inode *inode;
struct extent_io_tree tmp;
@@ -113,7 +113,7 @@ static int test_find_delalloc(void)
* |--- delalloc ---|
* |--- search ---|
*/
set_extent_delalloc(&tmp, 0, 4095, NULL);
set_extent_delalloc(&tmp, 0, sectorsize - 1, NULL);
start = 0;
end = 0;
found = find_lock_delalloc_range(inode, &tmp, locked_page, &start,
@@ -122,9 +122,9 @@ static int test_find_delalloc(void)
test_msg("Should have found at least one delalloc\n");
goto out_bits;
}
if (start != 0 || end != 4095) {
test_msg("Expected start 0 end 4095, got start %Lu end %Lu\n",
start, end);
if (start != 0 || end != (sectorsize - 1)) {
test_msg("Expected start 0 end %u, got start %llu end %llu\n",
sectorsize - 1, start, end);
goto out_bits;
}
unlock_extent(&tmp, start, end);
@@ -144,7 +144,7 @@ static int test_find_delalloc(void)
test_msg("Couldn't find the locked page\n");
goto out_bits;
}
set_extent_delalloc(&tmp, 4096, max_bytes - 1, NULL);
set_extent_delalloc(&tmp, sectorsize, max_bytes - 1, NULL);
start = test_start;
end = 0;
found = find_lock_delalloc_range(inode, &tmp, locked_page, &start,
@@ -172,7 +172,7 @@ static int test_find_delalloc(void)
* |--- delalloc ---|
* |--- search ---|
*/
test_start = max_bytes + 4096;
test_start = max_bytes + sectorsize;
locked_page = find_lock_page(inode->i_mapping, test_start >>
PAGE_SHIFT);
if (!locked_page) {
@@ -351,14 +351,15 @@ static int __test_eb_bitmaps(unsigned long *bitmap, struct extent_buffer *eb,
return 0;
}
static int test_eb_bitmaps(void)
static int test_eb_bitmaps(u32 sectorsize, u32 nodesize)
{
unsigned long len = PAGE_SIZE * 4;
unsigned long len;
unsigned long *bitmap;
struct extent_buffer *eb;
int ret;
test_msg("Running extent buffer bitmap tests\n");
len = sectorsize * 4;
bitmap = kmalloc(len, GFP_KERNEL);
if (!bitmap) {
@@ -379,7 +380,7 @@ static int test_eb_bitmaps(void)
/* Do it over again with an extent buffer which isn't page-aligned. */
free_extent_buffer(eb);
eb = __alloc_dummy_extent_buffer(NULL, PAGE_SIZE / 2, len);
eb = __alloc_dummy_extent_buffer(NULL, nodesize / 2, len);
if (!eb) {
test_msg("Couldn't allocate test extent buffer\n");
kfree(bitmap);
@@ -393,17 +394,17 @@ out:
return ret;
}
int btrfs_test_extent_io(void)
int btrfs_test_extent_io(u32 sectorsize, u32 nodesize)
{
int ret;
test_msg("Running extent I/O tests\n");
ret = test_find_delalloc();
ret = test_find_delalloc(sectorsize);
if (ret)
goto out;
ret = test_eb_bitmaps();
ret = test_eb_bitmaps(sectorsize, nodesize);
out:
test_msg("Extent I/O tests finished\n");
return ret;