[PATCH v2 2/3] fs: aio: use a folio in aio_free_ring()

From: Kefeng Wang
Date: Thu Mar 21 2024 - 09:17:13 EST


Use a folio throughout aio_free_ring() to remove calls to compound_head(),
also move pr_debug after folio check to remove unnecessary print.

Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
---
fs/aio.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/fs/aio.c b/fs/aio.c
index 60da236ad575..738654b58bfb 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -334,14 +334,15 @@ static void aio_free_ring(struct kioctx *ctx)
put_aio_ring_file(ctx);

for (i = 0; i < ctx->nr_pages; i++) {
- struct page *page;
- pr_debug("pid(%d) [%d] page->count=%d\n", current->pid, i,
- page_count(ctx->ring_pages[i]));
- page = ctx->ring_pages[i];
- if (!page)
+ struct folio *folio = page_folio(ctx->ring_pages[i]);
+
+ if (!folio)
continue;
+
+ pr_debug("pid(%d) [%d] folio->count=%d\n", current->pid, i,
+ folio_ref_count(folio));
ctx->ring_pages[i] = NULL;
- put_page(page);
+ folio_put(folio);
}

if (ctx->ring_pages && ctx->ring_pages != ctx->internal_pages) {
--
2.27.0