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NFS: Switch from intr mount option to TASK_KILLABLE

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By using the TASK_KILLABLE infrastructure, we can get rid of the 'intr'
mount option.  We have to use _killable everywhere instead of _interruptible
as we get rid of rpc_clnt_sigmask/sigunmask.

Signed-off-by: Liam R. Howlett <howlett@gmail.com>
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
This commit is contained in:
Matthew Wilcox
2007-12-06 16:24:39 -05:00
committed by Matthew Wilcox
parent 009e577e07
commit 150030b78a
19 changed files with 30 additions and 147 deletions
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27
fs/nfs/nfs4proc.c
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@@ -316,12 +316,9 @@ static void nfs4_opendata_put(struct nfs4_opendata *p)
static int nfs4_wait_for_completion_rpc_task(struct rpc_task *task)
{
sigset_t oldset;
int ret;
rpc_clnt_sigmask(task->tk_client, &oldset);
ret = rpc_wait_for_completion_task(task);
rpc_clnt_sigunmask(task->tk_client, &oldset);
return ret;
}
@@ -2806,9 +2803,9 @@ nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server)
return 0;
}
static int nfs4_wait_bit_interruptible(void *word)
static int nfs4_wait_bit_killable(void *word)
{
if (signal_pending(current))
if (fatal_signal_pending(current))
return -ERESTARTSYS;
schedule();
return 0;
@@ -2816,18 +2813,14 @@ static int nfs4_wait_bit_interruptible(void *word)
static int nfs4_wait_clnt_recover(struct rpc_clnt *clnt, struct nfs_client *clp)
{
sigset_t oldset;
int res;
might_sleep();
rwsem_acquire(&clp->cl_sem.dep_map, 0, 0, _RET_IP_);
rpc_clnt_sigmask(clnt, &oldset);
res = wait_on_bit(&clp->cl_state, NFS4CLNT_STATE_RECOVER,
nfs4_wait_bit_interruptible,
TASK_INTERRUPTIBLE);
rpc_clnt_sigunmask(clnt, &oldset);
nfs4_wait_bit_killable, TASK_KILLABLE);
rwsem_release(&clp->cl_sem.dep_map, 1, _RET_IP_);
return res;
@@ -2835,7 +2828,6 @@ static int nfs4_wait_clnt_recover(struct rpc_clnt *clnt, struct nfs_client *clp)
static int nfs4_delay(struct rpc_clnt *clnt, long *timeout)
{
sigset_t oldset;
int res = 0;
might_sleep();
@@ -2844,14 +2836,9 @@ static int nfs4_delay(struct rpc_clnt *clnt, long *timeout)
*timeout = NFS4_POLL_RETRY_MIN;
if (*timeout > NFS4_POLL_RETRY_MAX)
*timeout = NFS4_POLL_RETRY_MAX;
rpc_clnt_sigmask(clnt, &oldset);
if (clnt->cl_intr) {
schedule_timeout_interruptible(*timeout);
if (signalled())
res = -ERESTARTSYS;
} else
schedule_timeout_uninterruptible(*timeout);
rpc_clnt_sigunmask(clnt, &oldset);
schedule_timeout_killable(*timeout);
if (fatal_signal_pending(current))
res = -ERESTARTSYS;
*timeout <<= 1;
return res;
}
@@ -3085,7 +3072,7 @@ int nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, const nfs4
static unsigned long
nfs4_set_lock_task_retry(unsigned long timeout)
{
schedule_timeout_interruptible(timeout);
schedule_timeout_killable(timeout);
timeout <<= 1;
if (timeout > NFS4_LOCK_MAXTIMEOUT)
return NFS4_LOCK_MAXTIMEOUT;