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| author | Andre Noll <maan@systemlinux.org> | 2009-01-09 08:31:08 +1100 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2009-01-09 08:31:08 +1100 |
| commit | ccacc7d2cf03114a24ab903f710118e9e5d43273 (patch) | |
| tree | c856e2a17f6c6a26996a8cfba87680a2375061d5 /include/linux/raid | |
| parent | 83838ed87898e0a8ff8dbf001e54e6c017f0a011 (diff) | |
| download | op-kernel-dev-ccacc7d2cf03114a24ab903f710118e9e5d43273.zip op-kernel-dev-ccacc7d2cf03114a24ab903f710118e9e5d43273.tar.gz | |
md: raid0: make hash_spacing and preshift sector-based.
This patch renames the hash_spacing and preshift members of struct
raid0_private_data to spacing and sector_shift respectively and
changes the semantics as follows:
We always have spacing = 2 * hash_spacing. In case
sizeof(sector_t) > sizeof(u32) we also have sector_shift = preshift + 1
while sector_shift = preshift = 0 otherwise.
Note that the values of nb_zone and zone are unaffected by these changes
because in the sector_div() preceeding the assignement of these two
variables both arguments double.
Signed-off-by: Andre Noll <maan@systemlinux.org>
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'include/linux/raid')
| -rw-r--r-- | include/linux/raid/raid0.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/raid/raid0.h b/include/linux/raid/raid0.h index c12521d0..fd42aa8 100644 --- a/include/linux/raid/raid0.h +++ b/include/linux/raid/raid0.h @@ -19,8 +19,8 @@ struct raid0_private_data mdk_rdev_t **devlist; /* lists of rdevs, pointed to by strip_zone->dev */ int nr_strip_zones; - sector_t hash_spacing; - int preshift; /* shift this before divide by hash_spacing */ + sector_t spacing; + int sector_shift; /* shift this before divide by spacing */ }; typedef struct raid0_private_data raid0_conf_t; |
