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| author | Brian Behlendorf <[email protected]> | 2015-08-18 13:51:20 -0700 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2015-09-09 14:38:29 -0700 |
| commit | 9965059ab9991a5fc7df9a489021e73880b3bcc0 (patch) | |
| tree | 0770e9f65b22908acd9e22f925fdd393e8fb312e /include | |
| parent | 8198d18ca7e05ec30139e10d658a8b06c0ec4c55 (diff) | |
Prefetch start and end of volumes
When adding a zvol to the system prefetch zvol_prefetch_bytes from the
start and end of the volume. Prefetching these regions of the volume is
desirable because they are likely to be accessed immediately by blkid(8),
the kernel scanning for a partition table, or another task which probes
the devices.
Signed-off-by: Richard Yao <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Issue #3659
Diffstat (limited to 'include')
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