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| author | Lars Ellenberg <lars.ellenberg@linbit.com> | 2013-03-19 18:16:56 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2013-03-22 22:18:09 -0600 |
| commit | 08a1ddab6df7d3c7b6341774cb1cf4b21b96a214 (patch) | |
| tree | 6e8aec1506b8e3f2f7215a2043518d9b35f90ddf /drivers/block/drbd/drbd_int.h | |
| parent | cbe5e6109538ddab57764a88d9f0c2accd0c7d48 (diff) | |
| download | blackbird-obmc-linux-08a1ddab6df7d3c7b6341774cb1cf4b21b96a214.tar.gz blackbird-obmc-linux-08a1ddab6df7d3c7b6341774cb1cf4b21b96a214.zip | |
drbd: consolidate as many updates as possible into one AL transaction
Depending on current IO depth, try to consolidate as many updates
as possible into one activity log transaction.
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/drbd/drbd_int.h')
| -rw-r--r-- | drivers/block/drbd/drbd_int.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index b7b52dd42325..f943aacfdad8 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -1611,6 +1611,8 @@ extern const char *drbd_conn_str(enum drbd_conns s); extern const char *drbd_role_str(enum drbd_role s); /* drbd_actlog.c */ +extern int drbd_al_begin_io_nonblock(struct drbd_conf *mdev, struct drbd_interval *i); +extern void drbd_al_begin_io_commit(struct drbd_conf *mdev, bool delegate); extern bool drbd_al_begin_io_fastpath(struct drbd_conf *mdev, struct drbd_interval *i); extern void drbd_al_begin_io(struct drbd_conf *mdev, struct drbd_interval *i, bool delegate); extern void drbd_al_complete_io(struct drbd_conf *mdev, struct drbd_interval *i); |
