diff options
| author | Matthew Wilcox <[email protected]> | 2014-06-04 16:07:46 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2014-06-04 16:54:02 -0700 |
| commit | 47a191fd38ebddb1bd1510ec2bc1085c578c8868 (patch) | |
| tree | 5c65289e7195f4ecd445b2b55e8d44cfa7e7ea00 /tools/perf/scripts/python/net_dropmonitor.py | |
| parent | 57d998456ae8680ed446aa1993f45f4d8a9a5973 (diff) | |
fs/block_dev.c: add bdev_read_page() and bdev_write_page()
A block device driver may choose to provide a rw_page operation. These
will be called when the filesystem is attempting to do page sized I/O to
page cache pages (ie not for direct I/O). This does preclude I/Os that
are larger than page size, so this may only be a performance gain for
some devices.
Signed-off-by: Matthew Wilcox <[email protected]>
Tested-by: Dheeraj Reddy <[email protected]>
Cc: Dave Chinner <[email protected]>
Cc: Hugh Dickins <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/net_dropmonitor.py')
0 files changed, 0 insertions, 0 deletions