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OpenCloudOS-Kernel
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orangefs: service ops done for writeback are not killable 

Signed-off-by: Martin Brandenburg <martin@omnibond.com>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
This commit is contained in:
Martin Brandenburg 2018-02-15 19:38:01 +00:00 committed by Mike Marshall
parent a68d9c606a
commit 0dcac0f781
3 changed files with 12 additions and 9 deletions
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1
fs/orangefs/orangefs-kernel.h
View File

@ -442,6 +442,7 @@ extern const struct dentry_operations orangefs_dentry_operations;
#define ORANGEFS_OP_CANCELLATION 4 /* this is a cancellation */
#define ORANGEFS_OP_NO_MUTEX 8 /* don't acquire request_mutex */
#define ORANGEFS_OP_ASYNC 16 /* Queue it, but don't wait */
#define ORANGEFS_OP_WRITEBACK 32
int service_operation(struct orangefs_kernel_op_s *op,
const char *op_name,

2
fs/orangefs/orangefs-utils.c
View File

@ -430,7 +430,7 @@ int orangefs_inode_setattr(struct inode *inode)
spin_unlock(&inode->i_lock);
ret = service_operation(new_op, __func__,
get_interruptible_flag(inode));
get_interruptible_flag(inode) | ORANGEFS_OP_WRITEBACK);
gossip_debug(GOSSIP_UTILS_DEBUG,
"orangefs_inode_setattr: returning %d\n", ret);
if (ret)

18
fs/orangefs/waitqueue.c
View File

@ -19,7 +19,7 @@
static int wait_for_matching_downcall(struct orangefs_kernel_op_s *op,
long timeout,
bool interruptible)
int flags)
__acquires(op->lock);
static void orangefs_clean_up_interrupted_operation(struct orangefs_kernel_op_s *op)
__releases(op->lock);
@ -143,9 +143,7 @@ retry_servicing:
if (!(flags & ORANGEFS_OP_NO_MUTEX))
mutex_unlock(&orangefs_request_mutex);
ret = wait_for_matching_downcall(op, timeout,
flags & ORANGEFS_OP_INTERRUPTIBLE);
ret = wait_for_matching_downcall(op, timeout, flags);
gossip_debug(GOSSIP_WAIT_DEBUG,
"%s: wait_for_matching_downcall returned %d for %p\n",
__func__,
@ -319,10 +317,12 @@ static void
*/
static int wait_for_matching_downcall(struct orangefs_kernel_op_s *op,
long timeout,
bool interruptible)
int flags)
__acquires(op->lock)
{
long n;
int writeback = flags & ORANGEFS_OP_WRITEBACK,
interruptible = flags & ORANGEFS_OP_INTERRUPTIBLE;
/*
* There's a "schedule_timeout" inside of these wait
@ -330,10 +330,12 @@ static int wait_for_matching_downcall(struct orangefs_kernel_op_s *op,
* user process that needs something done and is being
* manipulated by the client-core process.
*/
if (interruptible)
if (writeback)
n = wait_for_completion_io_timeout(&op->waitq, timeout);
else if (!writeback && interruptible)
n = wait_for_completion_interruptible_timeout(&op->waitq,
timeout);
else
timeout);
else /* !writeback && !interruptible but compiler complains */
n = wait_for_completion_killable_timeout(&op->waitq, timeout);
spin_lock(&op->lock);