Commit 05b4358a authored by Ryusuke Konishi's avatar Ryusuke Konishi

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
...@@ -87,6 +87,7 @@ int nilfs_btnode_submit_block(struct address_space *btnc, __u64 blocknr, ...@@ -87,6 +87,7 @@ int nilfs_btnode_submit_block(struct address_space *btnc, __u64 blocknr,
brelse(bh); brelse(bh);
BUG(); BUG();
} }
memset(bh->b_data, 0, 1 << inode->i_blkbits);
bh->b_bdev = NILFS_I_NILFS(inode)->ns_bdev; bh->b_bdev = NILFS_I_NILFS(inode)->ns_bdev;
bh->b_blocknr = blocknr; bh->b_blocknr = blocknr;
set_buffer_mapped(bh); set_buffer_mapped(bh);
......
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