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btrfs-progs: docs: adjust wording for subvol delete

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Slightly update the text about deletion after the discussion on IRC.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2017-07-19 21:01:30 +02:00
parent dbcbcd3bca
commit 55110d520b
1 changed files with 7 additions and 4 deletions
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11
Documentation/btrfs-subvolume.asciidoc
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@ -66,10 +66,13 @@ If <subvolume> is not a subvolume, btrfs returns an error but continues if
there are more arguments to process.
+
The corresponding directory is removed instantly but the data blocks are
removed later. The deletion does not involve full commit by default due to
performance reasons (as a consequence, the subvolume may appear again after a
crash). Use one of the '--commit' options to wait until the operation is safely
stored on the media.
removed later in the background. The command returns immediatelly. See `btrfs
subvolume sync` how to wait until the subvolume gets completely removed.
+
The deletion does not involve full transaction commit by default due to
performance reasons. As a consequence, the subvolume may appear again after a
crash. Use one of the '--commit' options to wait until the operation is
safely stored on the device.
+
`Options`
+