[PATCH v14 57/74] btrfs: Convert page cache to XArray
From: Matthew Wilcox <willy@infradead.org>
Date: 2018-06-17 02:00:35
Also in:
linux-f2fs-devel, linux-fsdevel, lkml
Subsystem:
btrfs file system, filesystems (vfs and infrastructure), the rest · Maintainers:
Chris Mason, David Sterba, Alexander Viro, Christian Brauner, Linus Torvalds
Signed-off-by: Matthew Wilcox <willy@infradead.org> Acked-by: David Sterba <dsterba@suse.com> --- fs/btrfs/compression.c | 4 +--- fs/btrfs/extent_io.c | 8 +++----- 2 files changed, 4 insertions(+), 8 deletions(-)
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index 8db29f791984..1d051d841cb7 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c@@ -444,9 +444,7 @@ static noinline int add_ra_bio_pages(struct inode *inode, if (pg_index > end_index) break; - rcu_read_lock(); - page = radix_tree_lookup(&mapping->i_pages, pg_index); - rcu_read_unlock(); + page = xa_load(&mapping->i_pages, pg_index); if (page && !xa_is_value(page)) { misses++; if (misses > 4)
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index ac105d97dd81..e97aec67f52d 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c@@ -5169,11 +5169,9 @@ void clear_extent_buffer_dirty(struct extent_buffer *eb) clear_page_dirty_for_io(page); xa_lock_irq(&page->mapping->i_pages); - if (!PageDirty(page)) { - radix_tree_tag_clear(&page->mapping->i_pages, - page_index(page), - PAGECACHE_TAG_DIRTY); - } + if (!PageDirty(page)) + __xa_clear_tag(&page->mapping->i_pages, + page_index(page), PAGECACHE_TAG_DIRTY); xa_unlock_irq(&page->mapping->i_pages); ClearPageError(page); unlock_page(page);
--
2.17.1