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block: constify ext_pi_ref_escape()
This function doesn't mutate data. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/d24611b3-dddf-473a-903d-39290db03b11@p183 Signed-off-by: Jens Axboe <axboe@kernel.dk>
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@ -239,9 +239,9 @@ static void ext_pi_crc64_generate(struct blk_integrity_iter *iter,
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}
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}
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}
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}
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static bool ext_pi_ref_escape(u8 *ref_tag)
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static bool ext_pi_ref_escape(const u8 ref_tag[6])
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{
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{
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static u8 ref_escape[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
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static const u8 ref_escape[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
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return memcmp(ref_tag, ref_escape, sizeof(ref_escape)) == 0;
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return memcmp(ref_tag, ref_escape, sizeof(ref_escape)) == 0;
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}
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}
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