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[bcache] pass up the error from io_submit rather than using generic -EIO

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Author: Heming Zhao
This commit is contained in:
Joe Thornber 2019-10-29 10:39:20 +00:00
parent 5fdebf9bbf
commit 2b3c39e402
1 changed files with 5 additions and 2 deletions
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7
lib/device/bcache.c
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@ -293,6 +293,10 @@ static bool _async_issue(struct io_engine *ioe, enum dir d, int fd,
if (r < 0) { if (r < 0) {
_cb_free(e->cbs, cb); _cb_free(e->cbs, cb);
((struct block *) context)->error = r;
log_warn("io_submit <%c> off %llu bytes %llu return %d:%s",
(d == DIR_READ) ? 'R' : 'W', (long long unsigned)offset,
(long long unsigned) nbytes, r, strerror(-r));
return false; return false;
} }
@ -869,8 +873,7 @@ static void _issue_low_level(struct block *b, enum dir d)
dm_list_move(&cache->io_pending, &b->list); dm_list_move(&cache->io_pending, &b->list);
if (!cache->engine->issue(cache->engine, d, b->fd, sb, se, b->data, b)) { if (!cache->engine->issue(cache->engine, d, b->fd, sb, se, b->data, b)) {
/* FIXME: if io_submit() set an errno, return that instead of EIO? */ _complete_io(b, b->error);
_complete_io(b, -EIO);
return; return;
} }
} }