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Commit 25cc5d3b authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: avoid reading NAT page by get_node_info 



We've not seen this buggy case for a long time, so it's time to avoid this
unnecessary get_node_info() call which reading NAT page to cache nat entry.

Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 9b064f7d

fs/f2fs/node.c

+9 −7
Original line number Diff line number Diff line
@@ -1028,7 +1028,7 @@ struct page *new_node_page(struct dnode_of_data *dn, 
				unsigned int ofs, struct page *ipage)

{

	struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode);

	struct node_info old_ni, new_ni;

	struct node_info new_ni;

	struct page *page;

	int err;
@@ -1043,13 +1043,15 @@ struct page *new_node_page(struct dnode_of_data *dn, 
		err = -ENOSPC;

		goto fail;

	}



	get_node_info(sbi, dn->nid, &old_ni);



	/* Reinitialize old_ni with new node page */

	f2fs_bug_on(sbi, old_ni.blk_addr != NULL_ADDR);

	new_ni = old_ni;

#ifdef CONFIG_F2FS_CHECK_FS

	get_node_info(sbi, dn->nid, &new_ni);

	f2fs_bug_on(sbi, new_ni.blk_addr != NULL_ADDR);

#endif

	new_ni.nid = dn->nid;

	new_ni.ino = dn->inode->i_ino;

	new_ni.blk_addr = NULL_ADDR;

	new_ni.flag = 0;

	new_ni.version = 0;

	set_node_addr(sbi, &new_ni, NEW_ADDR, false);



	f2fs_wait_on_page_writeback(page, NODE, true);