diff options
| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-07-02 09:01:31 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-07-02 09:01:31 -0700 |
| commit | 27eb2c4b3d3e13f376a359e293c212a2e9407af5 (patch) | |
| tree | 556aa7b5cd6eeb4214dec129c789515157187010 /include/linux/drbd_limits.h | |
| parent | 5705b8aca5a80141de5637ff0e23b31b26f2c5bf (diff) | |
| parent | 67bf12ca50d524f9e225347fe63533562e2004de (diff) | |
| download | linux-27eb2c4b3d3e13f376a359e293c212a2e9407af5.tar.gz linux-27eb2c4b3d3e13f376a359e293c212a2e9407af5.tar.bz2 linux-27eb2c4b3d3e13f376a359e293c212a2e9407af5.zip | |
Merge branch 'next' into for-linus
Prepare first set of updates for 3.11 merge window.
Diffstat (limited to 'include/linux/drbd_limits.h')
| -rw-r--r-- | include/linux/drbd_limits.h | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/include/linux/drbd_limits.h b/include/linux/drbd_limits.h index 1fa19c5f5e64..1fedf2b17cc8 100644 --- a/include/linux/drbd_limits.h +++ b/include/linux/drbd_limits.h @@ -126,13 +126,12 @@ #define DRBD_RESYNC_RATE_DEF 250 #define DRBD_RESYNC_RATE_SCALE 'k' /* kilobytes */ - /* less than 7 would hit performance unnecessarily. - * 919 slots context information per transaction, - * 32k activity log, 4k transaction size, - * one transaction in flight: - * 919 * 7 = 6433 */ + /* less than 7 would hit performance unnecessarily. */ #define DRBD_AL_EXTENTS_MIN 7 -#define DRBD_AL_EXTENTS_MAX 6433 + /* we use u16 as "slot number", (u16)~0 is "FREE". + * If you use >= 292 kB on-disk ring buffer, + * this is the maximum you can use: */ +#define DRBD_AL_EXTENTS_MAX 0xfffe #define DRBD_AL_EXTENTS_DEF 1237 #define DRBD_AL_EXTENTS_SCALE '1' |