diff options
| author | Jens Axboe <[email protected]> | 2021-10-18 11:39:45 -0600 |
|---|---|---|
| committer | Jens Axboe <[email protected]> | 2021-10-18 14:43:23 -0600 |
| commit | f09313c57a17683cbcb305989daf1d94b49fd32c (patch) | |
| tree | e3c46d53930f6a7ba67f021f60ddb291f0722602 /drivers/usb | |
| parent | e4ae4735f7c2da77db57ee090b9f513bfe80d285 (diff) | |
block: cache inode size in bdev
Reading the inode size brings in a new cacheline for IO submit, and
it's in the hot path being checked for every single IO. When doing
millions of IOs per core per second, this is noticeable overhead.
Cache the nr_sectors in the bdev itself.
Reviewed-by: Christoph Hellwig <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
Diffstat (limited to 'drivers/usb')
0 files changed, 0 insertions, 0 deletions