Commit 05b4358a authored by Ryusuke Konishi's avatar Ryusuke Konishi
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nilfs2: add zero-fill for new btree node buffers 



Adds missing initialization of newly allocated b-tree node buffers.
This avoids garbage data to be mixed in b-tree node blocks.

Signed-off-by: default avatarRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
parent aeda7f63

fs/nilfs2/btnode.c

+1 −0
Original line number Diff line number Diff line
@@ -87,6 +87,7 @@ int nilfs_btnode_submit_block(struct address_space *btnc, __u64 blocknr, 
			brelse(bh);

			BUG();

		}

		memset(bh->b_data, 0, 1 << inode->i_blkbits);

		bh->b_bdev = NILFS_I_NILFS(inode)->ns_bdev;

		bh->b_blocknr = blocknr;

		set_buffer_mapped(bh);