Introduce clear_radix_tree_dirty_tag to include common codes for cleanup.

Signed-off-by: Chao Yu <yuch...@huawei.com>
---
 fs/f2fs/data.c   | 11 +++++++++++
 fs/f2fs/dir.c    |  8 +-------
 fs/f2fs/f2fs.h   |  1 +
 fs/f2fs/inline.c |  7 +------
 fs/f2fs/node.c   | 12 ++----------
 5 files changed, 16 insertions(+), 23 deletions(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 98a12526e3d0..9d3e2e1c1e33 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -2594,6 +2594,17 @@ const struct address_space_operations f2fs_dblock_aops = 
{
 #endif
 };
 
+void clear_radix_tree_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),
+                                               PAGECACHE_TAG_DIRTY);
+       xa_unlock_irqrestore(&mapping->i_pages, flags);
+}
+
 int __init f2fs_init_post_read_processing(void)
 {
        bio_post_read_ctx_cache = KMEM_CACHE(bio_post_read_ctx, 0);
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index 8c9c2f31b253..e20539ba0554 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -698,8 +698,6 @@ void f2fs_delete_entry(struct f2fs_dir_entry *dentry, 
struct page *page,
        struct  f2fs_dentry_block *dentry_blk;
        unsigned int bit_pos;
        int slots = GET_DENTRY_SLOTS(le16_to_cpu(dentry->name_len));
-       struct address_space *mapping = page_mapping(page);
-       unsigned long flags;
        int i;
 
        f2fs_update_time(F2FS_I_SB(dir), REQ_TIME);
@@ -732,11 +730,7 @@ void f2fs_delete_entry(struct f2fs_dir_entry *dentry, 
struct page *page,
 
        if (bit_pos == NR_DENTRY_IN_BLOCK &&
                        !truncate_hole(dir, page->index, page->index + 1)) {
-               xa_lock_irqsave(&mapping->i_pages, flags);
-               radix_tree_tag_clear(&mapping->i_pages, page_index(page),
-                                    PAGECACHE_TAG_DIRTY);
-               xa_unlock_irqrestore(&mapping->i_pages, flags);
-
+               clear_radix_tree_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 659c63dae81c..da43959b725a 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -2966,6 +2966,7 @@ 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 clear_radix_tree_dirty_tag(struct page *page);
 
 /*
  * gc.c
diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index 1eaa2049eafa..83e6881fd21e 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -204,8 +204,6 @@ int f2fs_write_inline_data(struct inode *inode, struct page 
*page)
 {
        void *src_addr, *dst_addr;
        struct dnode_of_data dn;
-       struct address_space *mapping = page_mapping(page);
-       unsigned long flags;
        int err;
 
        set_new_dnode(&dn, inode, NULL, NULL, 0);
@@ -227,10 +225,7 @@ int f2fs_write_inline_data(struct inode *inode, struct 
page *page)
        kunmap_atomic(src_addr);
        set_page_dirty(dn.inode_page);
 
-       xa_lock_irqsave(&mapping->i_pages, flags);
-       radix_tree_tag_clear(&mapping->i_pages, page_index(page),
-                            PAGECACHE_TAG_DIRTY);
-       xa_unlock_irqrestore(&mapping->i_pages, flags);
+       clear_radix_tree_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 67b3e89975af..59041acbf7ac 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -102,18 +102,10 @@ bool available_free_memory(struct f2fs_sb_info *sbi, int 
type)
 
 static void clear_node_page_dirty(struct page *page)
 {
-       struct address_space *mapping = page->mapping;
-       unsigned int long flags;
-
        if (PageDirty(page)) {
-               xa_lock_irqsave(&mapping->i_pages, flags);
-               radix_tree_tag_clear(&mapping->i_pages,
-                               page_index(page),
-                               PAGECACHE_TAG_DIRTY);
-               xa_unlock_irqrestore(&mapping->i_pages, flags);
-
+               clear_radix_tree_dirty_tag(page);
                clear_page_dirty_for_io(page);
-               dec_page_count(F2FS_M_SB(mapping), F2FS_DIRTY_NODES);
+               dec_page_count(F2FS_P_SB(page), F2FS_DIRTY_NODES);
        }
        ClearPageUptodate(page);
 }
-- 
2.17.0.391.g1f1cddd558b5

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