korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-11 04:18:39 +08:00
Code Issues Packages Projects Releases Wiki Activity

btrfs: convert try_release_extent_buffer() to take a folio

Browse Source 
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 <lizetao1@huawei.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Li Zetao 2024-08-29 02:28:58 +08:00 committed by David Sterba
parent 0145aa38cb
commit b8ae2bfa68
3 changed files with 9 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
fs/btrfs/disk-io.c
View File

@ -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,

15
fs/btrfs/extent_io.c
View File

@ -4147,21 +4147,20 @@ 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;
}
@ -4176,10 +4175,10 @@ 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,

2
fs/btrfs/extent_io.h
View File

@ -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,