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btrfs-progs: docs: clarify trim after mkfs -K 

A user question on IRC about mkfs -K and mount with discard.

Signed-off-by: David Sterba <dsterba@suse.com>
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David Sterba 2016-12-06 18:26:31 +01:00
parent a0ac307b0c
commit b3afc1e814
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Documentation/mkfs.btrfs.asciidoc
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@ -100,6 +100,8 @@ bytes and must not contain newline characters.
*-K|--nodiscard*::
Do not perform whole device TRIM operation on devices that are capable of that.
This does not affect discard/trim operation when the filesystem is mounted.
Please see the mount option 'discard' for that in `btrfs`(5).
*-r|--rootdir <rootdir>*::
Populate the toplevel subvolume with files from 'rootdir'. This does not