diff options
| author | smh <smh@FreeBSD.org> | 2014-09-07 21:30:47 +0000 |
|---|---|---|
| committer | smh <smh@FreeBSD.org> | 2014-09-07 21:30:47 +0000 |
| commit | a7cb473513d1db7492658dd436833db2cbb9707c (patch) | |
| tree | e2777dfe3f459602c4f16cff1658391d775a8252 /sys/geom/geom_disk.h | |
| parent | 73701b02923b72b81fa364c935209a6afca9c0f3 (diff) | |
| download | FreeBSD-src-a7cb473513d1db7492658dd436833db2cbb9707c.zip FreeBSD-src-a7cb473513d1db7492658dd436833db2cbb9707c.tar.gz | |
MFC r256956:
Improve ZFS N-way mirror read performance by using load and locality
information.
MFC r260713:
Fix ZFS mirror code for handling multiple DVA's
Also make the addition of the d_rotation_rate binary compatible. This allows
storage drivers compiled for 10.0 to work by preserving the ABI for disks.
Approved by: re (gjb)
Sponsored by: Multiplay
Diffstat (limited to 'sys/geom/geom_disk.h')
| -rw-r--r-- | sys/geom/geom_disk.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/geom/geom_disk.h b/sys/geom/geom_disk.h index b092146..09194c0 100644 --- a/sys/geom/geom_disk.h +++ b/sys/geom/geom_disk.h @@ -100,6 +100,9 @@ struct disk { /* Fields private to the driver */ void *d_drv1; + + /* New field - don't use if DISKFLAG_LACKS_ROTRATE is set */ + uint16_t d_rotation_rate; }; #define DISKFLAG_NEEDSGIANT 0x1 @@ -108,6 +111,7 @@ struct disk { #define DISKFLAG_CANFLUSHCACHE 0x8 #define DISKFLAG_UNMAPPED_BIO 0x10 #define DISKFLAG_DIRECT_COMPLETION 0x20 +#define DISKFLAG_LACKS_ROTRATE 0x40 struct disk *disk_alloc(void); void disk_create(struct disk *disk, int version); @@ -122,7 +126,8 @@ int disk_resize(struct disk *dp, int flag); #define DISK_VERSION_01 0x5856105a #define DISK_VERSION_02 0x5856105b #define DISK_VERSION_03 0x5856105c -#define DISK_VERSION DISK_VERSION_03 +#define DISK_VERSION_04 0x5856105d +#define DISK_VERSION DISK_VERSION_04 #endif /* _KERNEL */ #endif /* _GEOM_GEOM_DISK_H_ */ |
