tree 75d7684a3a160406ad8c4247e0b260f57d7c80f0
parent d23142c6271c499d913d0d5e668b5a4eb6dafcb0
author Zheng Liu <wenqing.lz@taobao.com> 1369740431 -0400
committer Theodore Ts'o <tytso@mit.edu> 1369740431 -0400

jbd2: use kmem_cache_zalloc for allocating journal head

This commit tries to use kmem_cache_zalloc instead of kmem_cache_alloc/
memset when a new journal head is alloctated.

Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Cc: "Theodore Ts'o" <tytso@mit.edu>