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| author | Bart Van Assche <bvanassche@acm.org> | 2019-08-02 01:50:41 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-08-05 06:41:29 +0300 |
| commit | dad7758459bc6097115f5e783eda232f36b1ad99 (patch) | |
| tree | cdf3e749fb4b8b0d9865f1c00c6139d64ee15e65 /block/bio.c | |
| parent | af2c68fe94e8c0a628519b60ba070c5cf6526a99 (diff) | |
| download | linux-dad7758459bc6097115f5e783eda232f36b1ad99.tar.xz | |
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.c | 4 |
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) |