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Revert "Add TASKQ_NORECLAIM flag"

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This reverts commit 372c257233.  The
use of the PF_MEMALLOC flag was always a hack to work around memory
reclaim deadlocks.  Those issues are believed to be resolved so this
workaround can be safely reverted.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Brian Behlendorf 2012-08-18 10:56:17 -07:00
parent e2dcc6e2b8
commit d47e664ad4
2 changed files with 0 additions and 5 deletions
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1
include/sys/taskq.h
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@ -40,7 +40,6 @@
#define TASKQ_DYNAMIC 0x00000004
#define TASKQ_THREADS_CPU_PCT 0x00000008
#define TASKQ_DC_BATCH 0x00000010
#define TASKQ_NORECLAIM 0x00000020
typedef unsigned long taskqid_t;
typedef void (task_func_t)(void *);

4
module/spl/spl-taskq.c
View File

@ -442,10 +442,6 @@ taskq_thread(void *args)
tq = tqt->tqt_tq;
current->flags |= PF_NOFREEZE;
/* Disable the direct memory reclaim path */
if (tq->tq_flags & TASKQ_NORECLAIM)
current->flags |= PF_MEMALLOC;
sigfillset(&blocked);
sigprocmask(SIG_BLOCK, &blocked, NULL);
flush_signals(current);