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freebsd/sys/ufs
Warner Losh 476dfdc3bf Do not relocate extents to make them contiguous if the underlying drive can do
deletions. Ability to do deletions is a strong indication that this
optimization will not help performance. It will only generate extra write
traffic. These devices are typically flash based and have a limited number of
write cycles. In addition, making the file contiguous in LBA space doesn't
improve the access times from flash devices because they have no seek time.

Reviewed by: mckusick@
2015-10-16 03:06:02 +00:00
..
ffs Do not relocate extents to make them contiguous if the underlying drive can do 2015-10-16 03:06:02 +00:00
ufs Remove several write-only variables, all reported by the gcc 4.9 2015-05-29 13:24:17 +00:00