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authorBart Van Assche <bvanassche@acm.org>2019-08-02 00:50:41 +0200
committerJens Axboe <axboe@kernel.dk>2019-08-05 05:41:29 +0200
commitdad7758459bc6097115f5e783eda232f36b1ad99 (patch)
treecdf3e749fb4b8b0d9865f1c00c6139d64ee15e65 /block/bio.c
parentblock: Declare several function pointer arguments 'const' (diff)
downloadlinux-dad7758459bc6097115f5e783eda232f36b1ad99.tar.xz
linux-dad7758459bc6097115f5e783eda232f36b1ad99.zip
block: Document the bio splitting functions
Since what the bio splitting functions do is nontrivial, document these functions. Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Cc: Christoph Hellwig <hch@infradead.org> Cc: Ming Lei <ming.lei@redhat.com> Cc: Hannes Reinecke <hare@suse.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/bio.c')
-rw-r--r--block/bio.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/block/bio.c b/block/bio.c
index 299a0e7651ec..0fff4eb9eb1e 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -1842,8 +1842,8 @@ EXPORT_SYMBOL(bio_endio);
* @bio, and updates @bio to represent the remaining sectors.
*
* Unless this is a discard request the newly allocated bio will point
- * to @bio's bi_io_vec; it is the caller's responsibility to ensure that
- * @bio is not freed before the split.
+ * to @bio's bi_io_vec. It is the caller's responsibility to ensure that
+ * neither @bio nor @bs are freed before the split bio.
*/
struct bio *bio_split(struct bio *bio, int sectors,
gfp_t gfp, struct bio_set *bs)