f2fs: call f2fs_wait_on_page_writeback instead of native function

If a page is on writeback, f2fs can face with deadlock due to under writepages.
This is caused by merging IOs inside f2fs, so if it comes to detect, let's throw
merged IOs, which is implemented by f2fs_wait_on_page_writeback.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

1 files changed, 3 insertions, 6 deletions

diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index f3a80ce9ddf5..7c9b17c03675 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -253,7 +253,7 @@ void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de,
                 struct page *page, struct inode *inode)
 {
         lock_page(page);
-        wait_on_page_writeback(page);
+        f2fs_wait_on_page_writeback(page, DATA);
         de->ino = cpu_to_le32(inode->i_ino);
         set_de_type(de, inode);
         kunmap(page);
@@ -352,14 +352,11 @@ static struct page *init_inode_metadata(struct inode *inode,
                 err = f2fs_init_security(inode, dir, name, page);
                 if (err)
                         goto put_error;
-
-                wait_on_page_writeback(page);
         } else {
                 page = get_node_page(F2FS_SB(dir->i_sb), inode->i_ino);
                 if (IS_ERR(page))
                         return page;
 
-                wait_on_page_writeback(page);
                 set_cold_node(inode, page);
         }
 
@@ -494,7 +491,7 @@ start:
         ++level;
         goto start;
 add_dentry:
-        wait_on_page_writeback(dentry_page);
+        f2fs_wait_on_page_writeback(dentry_page, DATA);
 
         page = init_inode_metadata(inode, dir, name);
         if (IS_ERR(page)) {
@@ -543,7 +540,7 @@ void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page,
         int i;
 
         lock_page(page);
-        wait_on_page_writeback(page);
+        f2fs_wait_on_page_writeback(page, DATA);
 
         dentry_blk = (struct f2fs_dentry_block *)kaddr;
         bit_pos = dentry - (struct f2fs_dir_entry *)dentry_blk->dentry;