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Diffstat (limited to 'Documentation/block/queue-sysfs.txt')
| -rw-r--r-- | Documentation/block/queue-sysfs.txt | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/Documentation/block/queue-sysfs.txt b/Documentation/block/queue-sysfs.txt index e164403f60e1..f65274081c8d 100644 --- a/Documentation/block/queue-sysfs.txt +++ b/Documentation/block/queue-sysfs.txt | |||
| @@ -25,11 +25,11 @@ size allowed by the hardware. | |||
| 25 | 25 | ||
| 26 | nomerges (RW) | 26 | nomerges (RW) |
| 27 | ------------- | 27 | ------------- |
| 28 | This enables the user to disable the lookup logic involved with IO merging | 28 | This enables the user to disable the lookup logic involved with IO |
| 29 | requests in the block layer. Merging may still occur through a direct | 29 | merging requests in the block layer. By default (0) all merges are |
| 30 | 1-hit cache, since that comes for (almost) free. The IO scheduler will not | 30 | enabled. When set to 1 only simple one-hit merges will be tried. When |
| 31 | waste cycles doing tree/hash lookups for merges if nomerges is 1. Defaults | 31 | set to 2 no merge algorithms will be tried (including one-hit or more |
| 32 | to 0, enabling all merges. | 32 | complex tree/hash lookups). |
| 33 | 33 | ||
| 34 | nr_requests (RW) | 34 | nr_requests (RW) |
| 35 | ---------------- | 35 | ---------------- |