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dm: rename task state function arguments

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Rename 'interruptible' into 'task_state' to make it clear that this
argument is a task state instead of a boolean.  Also, change type from
int to long.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Bart Van Assche 2016-08-31 15:16:02 -07:00 committed by Mike Snitzer
parent 5a8f1f80e9
commit b48633f83f
1 changed files with 9 additions and 5 deletions
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14
drivers/md/dm.c
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@ -1941,7 +1941,7 @@ void dm_put(struct mapped_device *md)
}
EXPORT_SYMBOL_GPL(dm_put);
static int dm_wait_for_completion(struct mapped_device *md, int interruptible)
static int dm_wait_for_completion(struct mapped_device *md, long task_state)
{
int r = 0;
DECLARE_WAITQUEUE(wait, current);
@ -1949,12 +1949,12 @@ static int dm_wait_for_completion(struct mapped_device *md, int interruptible)
add_wait_queue(&md->wait, &wait);
while (1) {
set_current_state(interruptible);
set_current_state(task_state);
if (!md_in_flight(md))
break;
if (interruptible == TASK_INTERRUPTIBLE &&
if (task_state == TASK_INTERRUPTIBLE &&
signal_pending(current)) {
r = -EINTR;
break;
@ -2082,6 +2082,10 @@ static void unlock_fs(struct mapped_device *md)
}
/*
* @suspend_flags: DM_SUSPEND_LOCKFS_FLAG and/or DM_SUSPEND_NOFLUSH_FLAG
* @task_state: e.g. TASK_INTERRUPTIBLE or TASK_UNINTERRUPTIBLE
* @dmf_suspended_flag: DMF_SUSPENDED or DMF_SUSPENDED_INTERNALLY
*
* If __dm_suspend returns 0, the device is completely quiescent
* now. There is no request-processing activity. All new requests
* are being added to md->deferred list.
@ -2089,7 +2093,7 @@ static void unlock_fs(struct mapped_device *md)
* Caller must hold md->suspend_lock
*/
static int __dm_suspend(struct mapped_device *md, struct dm_table *map,
unsigned suspend_flags, int interruptible,
unsigned suspend_flags, long task_state,
int dmf_suspended_flag)
{
bool do_lockfs = suspend_flags & DM_SUSPEND_LOCKFS_FLAG;
@ -2158,7 +2162,7 @@ static int __dm_suspend(struct mapped_device *md, struct dm_table *map,
* We call dm_wait_for_completion to wait for all existing requests
* to finish.
*/
r = dm_wait_for_completion(md, interruptible);
r = dm_wait_for_completion(md, task_state);
if (!r)
set_bit(dmf_suspended_flag, &md->flags);