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| author | 2022-05-02 13:49:24 +0200 | |
|---|---|---|
| committer | 2022-05-02 13:49:24 +0200 | |
| commit | 35a7609639c49f76f13f206402cbf692c4ae3e4e (patch) | |
| tree | 55c8cf59f8bac0754eff06a3f102d2d819dc39ed /include/linux/t10-pi.h | |
| parent | misc/pvpanic: Convert regular spinlock into trylock on panic path (diff) | |
| parent | Linux 5.18-rc5 (diff) | |
| download | linux-dev-35a7609639c49f76f13f206402cbf692c4ae3e4e.tar.xz linux-dev-35a7609639c49f76f13f206402cbf692c4ae3e4e.zip | |
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)); |
