[PATCH 00/11] lots of fixes for zero allocation length

From: Paolo Bonzini
Date: Fri Sep 07 2012 - 11:30:46 EST


Here are the fixes for zero-length commands, that ultimately let
all command go through normal processing, even if they have
zero length.

The first patch is for PSCSI, the others are for IBLOCK and friends.
I tried to order them so that the safest come first. So for 3.6 you
could choose to stop at patch 1, 2, 3 or 6, or not apply anything
at all.

Testcases included in each patch, when relevant.

Paolo

Paolo Bonzini (11):
target: go through normal processing for zero-length PSCSI commands
target: report too-small parameter lists everywhere
target: fail REPORT LUNS with less than 16 bytes of payload
target: support zero-size allocation lengths in transport_kmap_data_sg
target: support zero allocation length in REQUEST SENSE
target: go through normal processing for zero-length REQUEST_SENSE
target: support zero allocation length in INQUIRY
target: fix truncation of mode data, support zero allocation length
target: support zero allocation length in SBC commands
target: do not submit a zero-bio I/O request
target: go through normal processing for all zero-length commands

drivers/target/target_core_alua.c | 7 +++
drivers/target/target_core_device.c | 7 +++
drivers/target/target_core_iblock.c | 17 ++++++-
drivers/target/target_core_pr.c | 8 +++
drivers/target/target_core_pscsi.c | 8 ++--
drivers/target/target_core_sbc.c | 23 ++++++---
drivers/target/target_core_spc.c | 81 +++++++++++--------------------
drivers/target/target_core_transport.c | 35 ++++----------
include/target/target_core_base.h | 1 +
9 files changed, 95 insertions(+), 92 deletions(-)

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