btrfs: use pgoff_t for page index variables

Any conversion of offsets in the logical or the physical mapping space
of the pages is done by a shift and the target type should be pgoff_t
(type of struct page::index). Fix the locations where it's still
unsigned long.

Signed-off-by: David Sterba <dsterba@suse.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/fs/btrfs/tests/extent-io-tests.c b/fs/btrfs/tests/extent-io-tests.c
index 87f7437be022..660141fc67a8 100644
--- a/fs/btrfs/tests/extent-io-tests.c
+++ b/fs/btrfs/tests/extent-io-tests.c
@@ -23,8 +23,8 @@ static noinline int process_page_range(struct inode *inode, u64 start, u64 end,
 {
 	int ret;
 	struct folio_batch fbatch;
-	unsigned long index = start >> PAGE_SHIFT;
-	unsigned long end_index = end >> PAGE_SHIFT;
+	pgoff_t index = start >> PAGE_SHIFT;
+	pgoff_t end_index = end >> PAGE_SHIFT;
 	int i;
 	int count = 0;
 	int loops = 0;
@@ -114,7 +114,6 @@ static int test_find_delalloc(u32 sectorsize, u32 nodesize)
 	struct extent_io_tree *tmp;
 	struct page *page;
 	struct page *locked_page = NULL;
-	unsigned long index = 0;
 	/* In this test we need at least 2 file extents at its maximum size */
 	u64 max_bytes = BTRFS_MAX_EXTENT_SIZE;
 	u64 total_dirty = 2 * max_bytes;
@@ -157,7 +156,7 @@ static int test_find_delalloc(u32 sectorsize, u32 nodesize)
 	 * everything to make sure our pages don't get evicted and screw up our
 	 * test.
 	 */
-	for (index = 0; index < (total_dirty >> PAGE_SHIFT); index++) {
+	for (pgoff_t index = 0; index < (total_dirty >> PAGE_SHIFT); index++) {
 		page = find_or_create_page(inode->i_mapping, index, GFP_KERNEL);
 		if (!page) {
 			test_err("failed to allocate test page");