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Improved debug output. 

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@41833 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold 2011-05-30 18:48:10 +00:00
parent d9a26469df
commit ad63c6796c
1 changed files with 7 additions and 4 deletions
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11
src/system/kernel/device_manager/IOCache.cpp
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@ -380,12 +380,15 @@ IOCache::_TransferRequestLine(IORequest* request, off_t lineOffset,
status_t error = _TransferPages(firstMissing - firstPageOffset,
missingPages, false, isVIP);
if (error != B_OK) {
_DiscardPages(firstMissing - firstPageOffset, missingPages);
dprintf("IOCache: falling back to uncached transfer, offset %"
B_PRIiOFF ", length %" B_PRIuSIZE "\n", requestOffset,
dprintf("IOCache::_TransferRequestLine(): Failed to read into "
"cache (offset: %" B_PRIdOFF ", length: %" B_PRIuSIZE "), "
"trying uncached read (offset: %" B_PRIdOFF ", length: %"
B_PRIuSIZE ")\n", (off_t)firstMissing * B_PAGE_SIZE,
(size_t)missingPages * B_PAGE_SIZE, requestOffset,
requestLength);
_DiscardPages(firstMissing - firstPageOffset, missingPages);
// Try again using an uncached transfer
return _TransferRequestLineUncached(request, lineOffset,
requestOffset, requestLength);