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bcache: support interrupts when waiting on IO

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Since lvm2 normally block signals during protected
phase where it does not want to be interrupted.
Support interruptible processing when allowed
in section between sigint_allow() ... sigint_restore())
and let the 'io_getenvents()'  finish with EINTR.
This commit is contained in:
Zdenek Kabelac 2020-10-02 17:16:14 +02:00
parent 0fe58fc54f
commit b3c7a2b3f0
2 changed files with 2 additions and 3 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.03.11 -
==================================
Support interruption for bcache waiting.
Fix bcache when device has too many failing writes.
Fix bcache waiting for IO completion with failing disks.
Configure use own python path name order to prefer using python3.

4
lib/device/bcache.c
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@ -325,9 +325,7 @@ static bool _async_wait(struct io_engine *ioe, io_complete_fn fn)
struct async_engine *e = _to_async(ioe);
memset(&event, 0, sizeof(event));
do {
r = io_getevents(e->aio_context, 1, MAX_EVENT, event, NULL);
} while (r == -EINTR);
r = io_getevents(e->aio_context, 1, MAX_EVENT, event, NULL);
if (r < 0) {
log_sys_warn("io_getevents");