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scst: Make scst_set_io_context() save the old I/O context (merge r4214 from trunk)

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git-svn-id: http://svn.code.sf.net/p/scst/svn/branches/2.2.x@4722 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2013-01-06 19:11:41 +00:00
parent cfa0b1e594
commit 19d462065f
1 changed files with 3 additions and 0 deletions
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3
scst/src/scst_priv.h
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@@ -198,6 +198,8 @@ static inline bool scst_set_io_context(struct scst_cmd *cmd,
{
bool res;
EXTRACHECKS_BUG_ON(old == NULL);
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 25)
return false;
#endif
@@ -212,6 +214,7 @@ static inline bool scst_set_io_context(struct scst_cmd *cmd,
* No need for any ref counting action, because io_context
* supposed to be cleared in the end of the caller function.
*/
*old = current->io_context;
current->io_context = cmd->tgt_dev->async_io_context;
res = true;
TRACE_DBG("io_context %p (tgt_dev %p)", current->io_context,