diff options
| author | NeilBrown <neilb@suse.com> | 2017-06-18 06:38:58 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2017-06-18 20:40:59 +0200 |
| commit | b25d52379ad87800a93311c42e36f8dd1d7d8e98 (patch) | |
| tree | 7bf333a9a4dc42d1f143b8cc8ee249bdb7d3563b /drivers/lightnvm/pblk-read.c | |
| parent | pktcdvd: use bio_clone_fast() instead of bio_clone() (diff) | |
| download | linux-b25d52379ad87800a93311c42e36f8dd1d7d8e98.tar.xz linux-b25d52379ad87800a93311c42e36f8dd1d7d8e98.zip | |
lightnvm/pblk-read: use bio_clone_fast()
pblk_submit_read() uses bio_clone_bioset() but doesn't change the
io_vec, so bio_clone_fast() is a better choice.
It also uses fs_bio_set which is intended for filesystems. Using it
in a device driver can deadlock.
So allocate a new bioset, and and use bio_clone_fast().
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Javier González <javier@cnexlabs.com>
Tested-by: Javier González <javier@cnexlabs.com>
Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/lightnvm/pblk-read.c')
| -rw-r--r-- | drivers/lightnvm/pblk-read.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/lightnvm/pblk-read.c b/drivers/lightnvm/pblk-read.c index 762c0b73cb67..74d3fc53022e 100644 --- a/drivers/lightnvm/pblk-read.c +++ b/drivers/lightnvm/pblk-read.c @@ -342,7 +342,7 @@ int pblk_submit_read(struct pblk *pblk, struct bio *bio) struct pblk_r_ctx *r_ctx = nvm_rq_to_pdu(rqd); /* Clone read bio to deal with read errors internally */ - int_bio = bio_clone_bioset(bio, GFP_KERNEL, fs_bio_set); + int_bio = bio_clone_fast(bio, GFP_KERNEL, pblk_bio_set); if (!int_bio) { pr_err("pblk: could not clone read bio\n"); return NVM_IO_ERR; |