Commit d6d4f1cb authored Mar 12, 2015 by Chao Yu Committed by Jaegeuk Kim Apr 10, 2015

f2fs: fix to check current blkaddr in __allocate_data_blocks

In __allocate_data_blocks, we should check current blkaddr which is located at
ofs_in_node of dnode page instead of checking first blkaddr all the time.
Otherwise we can only allocate one blkaddr in each dnode page. Fix it.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

parent 0bfcfcca

fs/f2fs/data.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -1066,7 +1066,10 @@ static void __allocate_data_blocks(struct inode *inode, loff_t offset,
		end_offset = ADDRS_PER_PAGE(dn.node_page, F2FS_I(inode));

		while (dn.ofs_in_node < end_offset && len) {
		if (dn.data_blkaddr == NULL_ADDR) {
		block_t blkaddr;

		blkaddr = datablock_addr(dn.node_page, dn.ofs_in_node);
		if (blkaddr == NULL_ADDR) {
		if (__allocate_data_block(&dn))
		goto sync_out;
		allocated = true;