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author | Bart Van Assche <bart.vanassche@sandisk.com> | 2017-05-23 16:48:27 -0700 |
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committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2017-07-06 22:57:59 -0700 |
commit | a85d667e58bddf73be84d1981b41eaac985ed216 (patch) | |
tree | b997450b0dce7048845834d1756a7e12cb19d069 /include/target | |
parent | f2b72d6a8eed0eb02e6346886514a27df1efe827 (diff) | |
download | linux-stable-a85d667e58bddf73be84d1981b41eaac985ed216.tar.gz linux-stable-a85d667e58bddf73be84d1981b41eaac985ed216.tar.bz2 linux-stable-a85d667e58bddf73be84d1981b41eaac985ed216.zip |
target: Use {get,put}_unaligned_be*() instead of open coding these functions
Introduce the function get_unaligned_be24(). Use {get,put}_unaligned_be*()
where appropriate. This patch does not change any functionality.
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Cc: Andy Grover <agrover@redhat.com>
Cc: David Disseldorp <ddiss@suse.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'include/target')
-rw-r--r-- | include/target/target_core_backend.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/target/target_core_backend.h b/include/target/target_core_backend.h index e475531565fd..b76071161cdc 100644 --- a/include/target/target_core_backend.h +++ b/include/target/target_core_backend.h @@ -2,6 +2,7 @@ #define TARGET_CORE_BACKEND_H #include <linux/types.h> +#include <asm/unaligned.h> #include <target/target_core_base.h> #define TRANSPORT_FLAG_PASSTHROUGH 0x1 @@ -109,4 +110,11 @@ sector_t target_to_linux_sector(struct se_device *dev, sector_t lb); bool target_configure_unmap_from_queue(struct se_dev_attrib *attrib, struct request_queue *q); + +/* Only use get_unaligned_be24() if reading p - 1 is allowed. */ +static inline uint32_t get_unaligned_be24(const uint8_t *const p) +{ + return get_unaligned_be32(p - 1) & 0xffffffU; +} + #endif /* TARGET_CORE_BACKEND_H */ |