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Avoid that unloading SCST hangs when using bcache

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Although it seems to be bcache problem, remove the
flush_scheduled_work() call because it is not necessary. Call
cancel_delayed_work_sync() after unregistration from sysfs just in case
a sysfs attribute would ever be added that allows to trigger pool
purging directly.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5052 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Vladislav Bolkhovitin
2013-10-10 03:17:57 +00:00
parent 5930dac028
commit c66294d36f
1 changed files with 2 additions and 4 deletions
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6
scst/src/scst_mem.c
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@@ -1553,8 +1553,6 @@ static void sgv_pool_destroy(struct sgv_pool *pool)
TRACE_ENTRY();
cancel_delayed_work_sync(&pool->sgv_purge_work);
sgv_pool_flush(pool);
mutex_lock(&sgv_pools_mutex);
@@ -1567,6 +1565,8 @@ static void sgv_pool_destroy(struct sgv_pool *pool)
scst_sgv_sysfs_del(pool);
#endif
cancel_delayed_work_sync(&pool->sgv_purge_work);
for (i = 0; i < pool->max_caches; i++) {
if (pool->caches[i])
kmem_cache_destroy(pool->caches[i]);
@@ -1797,8 +1797,6 @@ void scst_sgv_pools_deinit(void)
sgv_pool_destroy(sgv_norm_pool);
sgv_pool_destroy(sgv_norm_clust_pool);
flush_scheduled_work();
kmem_cache_destroy(sgv_pool_cachep);
TRACE_EXIT();