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Merge pull request #126 from plieven/async_avoid_busy_wait

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iscsi_which_events: do not set POLLOUT if context is corked
This commit is contained in:
Ronnie Sahlberg
2014-07-14 05:55:20 -07:00
parent 6285ba72b7 4b3f4b5822
commit 6ea698eed0
1 changed files with 4 additions and 2 deletions
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6
lib/socket.c
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@@ -383,8 +383,10 @@ iscsi_which_events(struct iscsi_context *iscsi)
{ {
int events = iscsi->is_connected ? POLLIN : POLLOUT; int events = iscsi->is_connected ? POLLIN : POLLOUT;
if (iscsi->outqueue_current != NULL || (iscsi->outqueue != NULL && iscsi_serial32_compare(iscsi->outqueue->cmdsn, iscsi->maxcmdsn) <= 0)) { if (iscsi->outqueue_current != NULL ||
events |= POLLOUT; (iscsi->outqueue != NULL && !iscsi->is_corked &&
iscsi_serial32_compare(iscsi->outqueue->cmdsn, iscsi->maxcmdsn) <= 0)) {
events |= POLLOUT;
} }
return events; return events;
} }