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3 Commits

Author SHA1 Message Date
Jean-Pierre André
bbeebd5a15 Rephrased the warning for trimming not supported (cosmetic) 
The initial text looked like an error message
 2015-04-17 09:06:22 +02:00
Jean-Pierre André
c26a519da1 Fixed fstrim(8) applied to partitions 
The new way goes via /sys/dev/block/MAJOR:MINOR to map partitions to
devices and get discard parameters of the parent device. It also ensures
that the partition is aligned to the discard block size.

Contributed by Richard W.M. Jones
 2014-08-04 17:39:50 +02:00
Jean-Pierre André
f4e3f126df Implemented fstrim(8) 
fstrim(8) discards unused blocks on a mounted filesystem. It is useful for
solid-state drives (SSDs) and thinly-provisioned storage.
Only trimming the full device (with no option) is supported.

Contributed by Richard W.M. Jones
 2014-07-31 14:03:11 +02:00