diff options
| author |   Dmitry Monakhov <dmonakhov@openvz.org> | 2017-03-31 19:53:36 +0400 |
|---|---|---|
| committer |   Nicholas Bellinger <nab@linux-iscsi.org> | 2017-05-01 22:20:58 -0700 |
| commit | 056e8924a072d22007275dfb8b247bb814765b67 (patch) | |
| tree | 896b93f5a9008de35ec780e83df907518cbc4ed5 /drivers/target/target_core_file.c | |
| parent | tcm_fileio: Prevent information leak for short reads (diff) | |
| download | linux-dev-056e8924a072d22007275dfb8b247bb814765b67.tar.xz linux-dev-056e8924a072d22007275dfb8b247bb814765b67.zip | |
tcm: make pi data verification configurable
Currently ramdisk and fileio always perform PI verification
before and after backend IO. This approach is not very flexible.
Because some one may want to postpone this work to other layers in
IO stack. For example if we want to test blk_integrity_profile
testcase:
https://github.com/dmonakhov/xfstests/commit/dee408c868861d6b6871dbb3381facee7effdbe4
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target/target_core_file.c')
| -rw-r--r-- | drivers/target/target_core_file.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c index dd8f32055266..1bf6c31e4c21 100644 --- a/drivers/target/target_core_file.c +++ b/drivers/target/target_core_file.c @@ -554,7 +554,8 @@ fd_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, ret = fd_do_rw(cmd, file, dev->dev_attrib.block_size, sgl, sgl_nents, cmd->data_length, 0); - if (ret > 0 && cmd->prot_type && dev->dev_attrib.pi_prot_type) { + if (ret > 0 && cmd->prot_type && dev->dev_attrib.pi_prot_type && + dev->dev_attrib.pi_prot_verify) { u32 sectors = cmd->data_length >> ilog2(dev->dev_attrib.block_size); @@ -564,7 +565,8 @@ fd_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, return rc; } } else { - if (cmd->prot_type && dev->dev_attrib.pi_prot_type) { + if (cmd->prot_type && dev->dev_attrib.pi_prot_type && + dev->dev_attrib.pi_prot_verify) { u32 sectors = cmd->data_length >> ilog2(dev->dev_attrib.block_size); |