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drbd: drbd_insert_interval(): Clarify comment

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Signed-off-by: Andreas Gruenbacher <[email protected]>
Signed-off-by: Christoph Böhmwalder <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
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Andreas Gruenbacher authored and Jens Axboe committed 2023-01-29 15:18:33 -07:00
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commit 2bb34fa6ff
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drivers/block/drbd/drbd_interval.c
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@@ -58,7 +58,7 @@ drbd_insert_interval(struct rb_root *root, struct drbd_interval *this)
* drbd_contains_interval - check if a tree contains a given interval
* @root: red black tree root
* @sector: start sector of @interval
* @interval: may not be a valid pointer
* @interval: may be an invalid pointer
*
* Returns if the tree contains the node @interval with start sector @start.
* Does not dereference @interval until @interval is known to be a valid object