diff options
| author | Matthew Wilcox <matthew.r.wilcox@intel.com> | 2014-06-04 16:07:46 -0700 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-05-24 02:20:23 +0200 |
| commit | d84724dc04d62517b355ef8c74a57d3f01232959 (patch) | |
| tree | 97aacbcc9db3892424c6f80cc3fbef1a5892d309 /scripts/patch-kernel | |
| parent | c1d9c7c120ecd23dc456cdc0fd81373bf7163feb (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 <matthew.r.wilcox@intel.com>
Tested-by: Dheeraj Reddy <dheeraj.reddy@intel.com>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
Diffstat (limited to 'scripts/patch-kernel')
0 files changed, 0 insertions, 0 deletions