diff options
| author | Stephen Hemminger <stephen@networkplumber.org> | 2017-06-25 22:30:27 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-10-21 18:55:07 +0300 |
| commit | 27ba39f28808d6e983ad028da15952f29918a6c4 (patch) | |
| tree | 1b8f7214bdc21835106fafdada013624ec2bfff8 /include | |
| parent | df95afa5960b806835f2fa4d167a828d9329ba87 (diff) | |
| download | linux-27ba39f28808d6e983ad028da15952f29918a6c4.tar.xz | |
vmbus: eliminate duplicate cached index
commit 05d00bc94ac27d220d8a78e365d7fa3a26dcca17 upstream.
Don't need cached read index anymore now that packet iterator
is used. The iterator has the original read index until the
visible read_index is updated.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/hyperv.h | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index 8a1d29c431fa..3647085dab0a 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -127,7 +127,6 @@ struct hv_ring_buffer_info { u32 ring_data_startoffset; u32 priv_write_index; u32 priv_read_index; - u32 cached_read_index; }; /* @@ -180,19 +179,6 @@ static inline u32 hv_get_bytes_to_write(const struct hv_ring_buffer_info *rbi) return write; } -static inline u32 hv_get_cached_bytes_to_write( - const struct hv_ring_buffer_info *rbi) -{ - u32 read_loc, write_loc, dsize, write; - - dsize = rbi->ring_datasize; - read_loc = rbi->cached_read_index; - write_loc = rbi->ring_buffer->write_index; - - write = write_loc >= read_loc ? dsize - (write_loc - read_loc) : - read_loc - write_loc; - return write; -} /* * VMBUS version is 32 bit entity broken up into * two 16 bit quantities: major_number. minor_number. |