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dm: fix comment above dm_accept_partial_bio

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Clarify that dm_accept_partial_bio isn't allowed for REQ_OP_ZONE_RESET
bios.

Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
NeilBrown 2017-11-21 08:44:35 -05:00 committed by Mike Snitzer
parent 552aa679f2
commit c06b3e5837
1 changed files with 1 additions and 1 deletions
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drivers/md/dm.c
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@ -997,7 +997,7 @@ static size_t dm_dax_copy_from_iter(struct dax_device *dax_dev, pgoff_t pgoff,
/*
* A target may call dm_accept_partial_bio only from the map routine. It is
* allowed for all bio types except REQ_PREFLUSH.
* allowed for all bio types except REQ_PREFLUSH and REQ_OP_ZONE_RESET.
*
* dm_accept_partial_bio informs the dm that the target only wants to process
* additional n_sectors sectors of the bio and the rest of the data should be