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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-05-02 14:49:24 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-05-02 14:49:24 +0300 |
commit | 35a7609639c49f76f13f206402cbf692c4ae3e4e (patch) | |
tree | 55c8cf59f8bac0754eff06a3f102d2d819dc39ed /include/linux/t10-pi.h | |
parent | e918c10265ef2bc82ce8a6fed6d8123d09ec1db3 (diff) | |
parent | 672c0c5173427e6b3e2a9bbb7be51ceeec78093a (diff) | |
download | linux-35a7609639c49f76f13f206402cbf692c4ae3e4e.tar.xz |
Merge 5.18-rc5 into char-misc-next
We need the char-misc fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/t10-pi.h')
-rw-r--r-- | include/linux/t10-pi.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/t10-pi.h b/include/linux/t10-pi.h index a4b1af581f69..248f4ac95642 100644 --- a/include/linux/t10-pi.h +++ b/include/linux/t10-pi.h @@ -59,6 +59,15 @@ struct crc64_pi_tuple { __u8 ref_tag[6]; }; +/** + * lower_48_bits() - return bits 0-47 of a number + * @n: the number we're accessing + */ +static inline u64 lower_48_bits(u64 n) +{ + return n & ((1ull << 48) - 1); +} + static inline u64 ext_pi_ref_tag(struct request *rq) { unsigned int shift = ilog2(queue_logical_block_size(rq->q)); |