[f2fs-dev] [PATCH 04/14] btrfs: convert try_release_extent_buffer() to take a folio

[Li Zetao via Linux-f2fs-devel]

The old page API is being gradually replaced and converted to use folio
to improve code readability and avoid repeated conversion between page
and folio.

Signed-off-by: Li Zetao <lizet...@huawei.com>
---
 fs/btrfs/disk-io.c   |  2 +-
 fs/btrfs/extent_io.c | 15 +++++++--------
 fs/btrfs/extent_io.h |  2 +-
 3 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index a6f5441e62d1..ca2f52a28fb0 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -525,7 +525,7 @@ static bool btree_release_folio(struct folio *folio, gfp_t 
gfp_flags)
        if (folio_test_writeback(folio) || folio_test_dirty(folio))
                return false;
 
-       return try_release_extent_buffer(&folio->page);
+       return try_release_extent_buffer(folio);
 }
 
 static void btree_invalidate_folio(struct folio *folio, size_t offset,
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 77c1f69f4229..a0102b9b67ff 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -4241,21 +4241,20 @@ static int try_release_subpage_extent_buffer(struct 
folio *folio)
 
 }
 
-int try_release_extent_buffer(struct page *page)
+int try_release_extent_buffer(struct folio *folio)
 {
-       struct folio *folio = page_folio(page);
        struct extent_buffer *eb;
 
-       if (page_to_fs_info(page)->nodesize < PAGE_SIZE)
-               return try_release_subpage_extent_buffer(page_folio(page));
+       if (folio_to_fs_info(folio)->nodesize < PAGE_SIZE)
+               return try_release_subpage_extent_buffer(folio);
 
        /*
         * We need to make sure nobody is changing folio private, as we rely on
         * folio private as the pointer to extent buffer.
         */
-       spin_lock(&page->mapping->i_private_lock);
+       spin_lock(&folio->mapping->i_private_lock);
        if (!folio_test_private(folio)) {
-               spin_unlock(&page->mapping->i_private_lock);
+               spin_unlock(&folio->mapping->i_private_lock);
                return 1;
        }
 
@@ -4270,10 +4269,10 @@ int try_release_extent_buffer(struct page *page)
        spin_lock(&eb->refs_lock);
        if (atomic_read(&eb->refs) != 1 || extent_buffer_under_io(eb)) {
                spin_unlock(&eb->refs_lock);
-               spin_unlock(&page->mapping->i_private_lock);
+               spin_unlock(&folio->mapping->i_private_lock);
                return 0;
        }
-       spin_unlock(&page->mapping->i_private_lock);
+       spin_unlock(&folio->mapping->i_private_lock);
 
        /*
         * If tree ref isn't set then we know the ref on this eb is a real ref,
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 236da2231a0e..f4c93ca46bdd 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -237,7 +237,7 @@ static inline void extent_changeset_free(struct 
extent_changeset *changeset)
 }
 
 bool try_release_extent_mapping(struct page *page, gfp_t mask);
-int try_release_extent_buffer(struct page *page);
+int try_release_extent_buffer(struct folio *folio);
 
 int btrfs_read_folio(struct file *file, struct folio *folio);
 void extent_write_locked_range(struct inode *inode, const struct folio 
*locked_folio,
-- 
2.34.1



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