btrfs: fix not enough reserved space
authorMiao Xie <miaox@cn.fujitsu.com>
Fri, 18 Feb 2011 09:21:17 +0000 (09:21 +0000)
committerChris Mason <chris.mason@oracle.com>
Thu, 10 Mar 2011 16:21:49 +0000 (11:21 -0500)
commit7e6b6465e6efbca3985258996be9c189da96c8bf
treed4cde91d45865effa20fca9a789813321808c129
parentb4966b7770349deb05e3dd2bd2c65d2d044abbbb
btrfs: fix not enough reserved space

btrfs_link() will insert 3 items(inode ref, dir name item and dir index item)
into the b+ tree and update 2 items(its inode, and parent's inode) in the b+
tree. So we should reserve space for these 5 items, not 3 items.

Reported-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
fs/btrfs/inode.c