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Diffstat (limited to 'Documentation/md.txt')
| -rw-r--r-- | Documentation/md.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/md.txt b/Documentation/md.txt index 396cdd982c26..a8b430627473 100644 --- a/Documentation/md.txt +++ b/Documentation/md.txt | |||
| @@ -450,3 +450,9 @@ These currently include | |||
| 450 | there are upper and lower limits (32768, 16). Default is 128. | 450 | there are upper and lower limits (32768, 16). Default is 128. |
| 451 | strip_cache_active (currently raid5 only) | 451 | strip_cache_active (currently raid5 only) |
| 452 | number of active entries in the stripe cache | 452 | number of active entries in the stripe cache |
| 453 | preread_bypass_threshold (currently raid5 only) | ||
| 454 | number of times a stripe requiring preread will be bypassed by | ||
| 455 | a stripe that does not require preread. For fairness defaults | ||
| 456 | to 1. Setting this to 0 disables bypass accounting and | ||
| 457 | requires preread stripes to wait until all full-width stripe- | ||
| 458 | writes are complete. Valid values are 0 to stripe_cache_size. | ||