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(parent: ac1f0ac) | patch
dm ioctl: allow dm_copy_name_and_uuid to return only one field
authorMilan Broz <mbroz@redhat.com>
Tue, 6 Jan 2009 03:05:04 +0000 (03:05 +0000)
committerAlasdair G Kergon <agk@redhat.com>
Tue, 6 Jan 2009 03:05:04 +0000 (03:05 +0000)
commit23d39f63aa87e812fd879b8bc32ee6ccfe733de3
tree3535af0aff56260cdbf573a704e3f0122c6cfc8btree
parentac1f0ac22c7be908fd33407273b9808bfaedada4commit | diff
dm ioctl: allow dm_copy_name_and_uuid to return only one field

Allow NULL buffer in dm_copy_name_and_uuid if you only want to return one of
the fields.

(Required by a following patch that adds these fields to sysfs.)

Signed-off-by: Milan Broz <mbroz@redhat.com>
Reviewed-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
drivers/md/dm-ioctl.c diff | blob | history
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