5981c245a8
refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
30 lines
612 B
C
30 lines
612 B
C
#ifndef TARGET_CORE_IBLOCK_H
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#define TARGET_CORE_IBLOCK_H
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#include <linux/atomic.h>
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#include <linux/refcount.h>
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#include <target/target_core_base.h>
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#define IBLOCK_VERSION "4.0"
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#define IBLOCK_MAX_CDBS 16
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#define IBLOCK_LBA_SHIFT 9
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struct iblock_req {
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refcount_t pending;
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atomic_t ib_bio_err_cnt;
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} ____cacheline_aligned;
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#define IBDF_HAS_UDEV_PATH 0x01
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struct iblock_dev {
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struct se_device dev;
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unsigned char ibd_udev_path[SE_UDEV_PATH_LEN];
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u32 ibd_flags;
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struct bio_set *ibd_bio_set;
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struct block_device *ibd_bd;
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bool ibd_readonly;
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} ____cacheline_aligned;
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#endif /* TARGET_CORE_IBLOCK_H */
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