On Mon, Oct 27, 2014 at 10:18:42AM +0100, Peter Lieven wrote: > This series adds the basics for introducing a maximum transfer length > to the block layer. Its main purpose is currently avoiding that > a multiwrite_merge exceeds the max_xfer_len of an attached iSCSI LUN. > This is a required bug fix. > > Splitting up requests according to the max_transfer_length will follow > in a later series. > > v5->v6: - fix parentheses in Patch 1 [Max] > - rename helper function in Patch 3 [Max] > - cap the limits to highest power of 2 fitting in INT_MAX [Max] > - removed full stops in error messages in Patch 6 [Max] > > v4->v5: - Added check for (a != 0 instead of !!a) [Max] and some comments > [Eric] > - Correctly limited max_transfer_length to INT_MAX in Patch 3 [Max] > - Added Patch 5 and Patch 6. > > v3->v4: introduce MIN_NON_ZERO to correctly calculate minimum of 2 limits. > v2->v3: remove Patch 2 completely [Paolo] > v1->v2: do not throw errors but generate trace events in Patch 2 [Paolo] > > Peter Lieven (6): > util: introduce MIN_NON_ZERO > BlockLimits: introduce max_transfer_length > block/iscsi: set max_transfer_length > block: avoid creating oversized writes in multiwrite_merge > block/iscsi: use sector_limits_lun2qemu throughout > iscsi_refresh_limits > block/iscsi: check for oversized requests > > block.c | 9 +++++++++ > block/iscsi.c | 49 > ++++++++++++++++++++++++++++++++++----------- > include/block/block_int.h | 3 +++ > include/qemu/osdep.h | 6 ++++++ > 4 files changed, 55 insertions(+), 12 deletions(-)
Please use "PATCH v6" in the Subject line instead of "PATCHv6". My patch scanning tools missed the series. Thanks, applied to my block tree: https://github.com/stefanha/qemu/commits/block Stefan
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