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scst_pres: Disallow READs in exclusive access mode

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Disallow READS in exclusive access mode by initiators that do not hold
the reservation. Disallow READS in exclusive access mode - all registrants
by initiators that did not register the key. This behavior is required by
SPC-4. This patch fixes a regression introduced on the trunk on June 29 2012
(r4392). PGR support in released versions, e.g. 2.2.1, works fine as far as
I know.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4814 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Vladislav Bolkhovitin
2013-03-26 00:30:31 +00:00
parent 870478c32e
commit 02b5a95813
1 changed files with 1 additions and 1 deletions
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scst/include/scst_const.h
+1 -1
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@@ -212,7 +212,7 @@ enum scst_cdb_flags {
SCST_FULLY_LOCAL_CMD = 0x0800,
SCST_REG_RESERVE_ALLOWED = 0x1000,
SCST_WRITE_EXCL_ALLOWED = 0x4000,
SCST_WRITE_EXCL_ALLOWED = 0x2000,
SCST_EXCL_ACCESS_ALLOWED = 0x4000,
#ifdef CONFIG_SCST_TEST_IO_IN_SIRQ
SCST_TEST_IO_IN_SIRQ_ALLOWED = 0x8000,