From: Matthew Wilcox <willy@infradead.org>
Date: Tue, 5 Dec 2017 01:25:25 +0000 (-0500)
Subject: f2fs: Convert to XArray
X-Git-Tag: v4.20-rc1~85^2~27
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=5ec2d99de7427c84bb7250d23f5acf49a3670a63;p=linux.git

f2fs: Convert to XArray

This is a straightforward conversion.

Signed-off-by: Matthew Wilcox <willy@infradead.org>
---

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 5b760809eecc..6962491172a5 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -2697,13 +2697,13 @@ const struct address_space_operations f2fs_dblock_aops = {
 #endif
 };
 
-void f2fs_clear_radix_tree_dirty_tag(struct page *page)
+void f2fs_clear_page_cache_dirty_tag(struct page *page)
 {
 	struct address_space *mapping = page_mapping(page);
 	unsigned long flags;
 
 	xa_lock_irqsave(&mapping->i_pages, flags);
-	radix_tree_tag_clear(&mapping->i_pages, page_index(page),
+	__xa_clear_mark(&mapping->i_pages, page_index(page),
 						PAGECACHE_TAG_DIRTY);
 	xa_unlock_irqrestore(&mapping->i_pages, flags);
 }
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index ecc3a4e2be96..01006085904a 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -729,7 +729,7 @@ void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page,
 
 	if (bit_pos == NR_DENTRY_IN_BLOCK &&
 		!f2fs_truncate_hole(dir, page->index, page->index + 1)) {
-		f2fs_clear_radix_tree_dirty_tag(page);
+		f2fs_clear_page_cache_dirty_tag(page);
 		clear_page_dirty_for_io(page);
 		ClearPagePrivate(page);
 		ClearPageUptodate(page);
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index abf925664d9c..3ccb8ed84fae 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -3039,7 +3039,7 @@ int f2fs_migrate_page(struct address_space *mapping, struct page *newpage,
 			struct page *page, enum migrate_mode mode);
 #endif
 bool f2fs_overwrite_io(struct inode *inode, loff_t pos, size_t len);
-void f2fs_clear_radix_tree_dirty_tag(struct page *page);
+void f2fs_clear_page_cache_dirty_tag(struct page *page);
 
 /*
  * gc.c
diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index 115dc219344b..3e0a630a0168 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -245,7 +245,7 @@ int f2fs_write_inline_data(struct inode *inode, struct page *page)
 	kunmap_atomic(src_addr);
 	set_page_dirty(dn.inode_page);
 
-	f2fs_clear_radix_tree_dirty_tag(page);
+	f2fs_clear_page_cache_dirty_tag(page);
 
 	set_inode_flag(inode, FI_APPEND_WRITE);
 	set_inode_flag(inode, FI_DATA_EXIST);
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index dd2e45a661aa..0bae5eda056a 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -104,7 +104,7 @@ bool f2fs_available_free_memory(struct f2fs_sb_info *sbi, int type)
 static void clear_node_page_dirty(struct page *page)
 {
 	if (PageDirty(page)) {
-		f2fs_clear_radix_tree_dirty_tag(page);
+		f2fs_clear_page_cache_dirty_tag(page);
 		clear_page_dirty_for_io(page);
 		dec_page_count(F2FS_P_SB(page), F2FS_DIRTY_NODES);
 	}
@@ -1307,9 +1307,7 @@ void f2fs_ra_node_page(struct f2fs_sb_info *sbi, nid_t nid)
 	if (f2fs_check_nid_range(sbi, nid))
 		return;
 
-	rcu_read_lock();
-	apage = radix_tree_lookup(&NODE_MAPPING(sbi)->i_pages, nid);
-	rcu_read_unlock();
+	apage = xa_load(&NODE_MAPPING(sbi)->i_pages, nid);
 	if (apage)
 		return;