NFS: Fix a potential busy wait in nfs_page_group_lock
authorTrond Myklebust <trond.myklebust@primarydata.com>
Thu, 29 May 2014 15:45:57 +0000 (11:45 -0400)
committerTrond Myklebust <trond.myklebust@primarydata.com>
Thu, 29 May 2014 16:12:27 +0000 (12:12 -0400)
commitf868089b09b51bd17ee41dedb96f98a1d0952fec
treebb7b2c8503616cea06eba345d7b47cc479695d24
parentc1109558ae0f07a3434357cd26203bfc7adfea75
NFS: Fix a potential busy wait in nfs_page_group_lock

We cannot allow nfs_page_group_lock to use TASK_KILLABLE here, since
the loop would cause a busy wait if somebody kills the task.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
fs/nfs/pagelist.c