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| author | Roland Dreier <roland@purestorage.com> | 2011-07-05 13:34:52 -0700 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2011-07-22 09:37:47 +0000 |
| commit | e22a7f075226c51f3f71b922e9eeb4f99fac1475 (patch) | |
| tree | e0a04f974153136eafe13793ee59be58c37c5ffc /include/target/target_core_device.h | |
| parent | b2eb705e00a9b9a9b3122192a7ab3e9058f0c48a (diff) | |
| download | lwn-e22a7f075226c51f3f71b922e9eeb4f99fac1475.tar.gz lwn-e22a7f075226c51f3f71b922e9eeb4f99fac1475.zip | |
target: Implement Block Device Characteristics VPD page
Implement page B1h, Block Device Characteristics, so that we can report
a medium rotation rate of 1 (non-rotating / solid state) if the
is_nonrot device attribute is set; we update the iblock backend to set
this attribute if the underlying Linux block device has its nonrot
flag set.
Signed-off-by: Roland Dreier <roland@purestorage.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'include/target/target_core_device.h')
| -rw-r--r-- | include/target/target_core_device.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/target/target_core_device.h b/include/target/target_core_device.h index 96586cc94984..f3b6ae655454 100644 --- a/include/target/target_core_device.h +++ b/include/target/target_core_device.h @@ -39,6 +39,7 @@ extern int se_dev_set_emulate_tas(struct se_device *, int); extern int se_dev_set_emulate_tpu(struct se_device *, int); extern int se_dev_set_emulate_tpws(struct se_device *, int); extern int se_dev_set_enforce_pr_isids(struct se_device *, int); +extern int se_dev_set_is_nonrot(struct se_device *, int); extern int se_dev_set_queue_depth(struct se_device *, u32); extern int se_dev_set_max_sectors(struct se_device *, u32); extern int se_dev_set_optimal_sectors(struct se_device *, u32); |