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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 there are upper and lower limits (32768, 16). Default is 128. strip_cache_active (currently raid5 only) number of active entries in the stripe cache + preread_bypass_threshold (currently raid5 only) + number of times a stripe requiring preread will be bypassed by + a stripe that does not require preread. For fairness defaults + to 1. Setting this to 0 disables bypass accounting and + requires preread stripes to wait until all full-width stripe- + writes are complete. Valid values are 0 to stripe_cache_size. |