diff options
Diffstat (limited to 'drivers/md/dm-crypt.c')
| -rw-r--r-- | drivers/md/dm-crypt.c | 25 |
1 files changed, 9 insertions, 16 deletions
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index cac064d4aa7..97b407582c0 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -691,7 +691,7 @@ static void kcryptd_crypt_write_io_submit(struct dm_crypt_io *io, } } -static void kcryptd_crypt_write_convert_loop(struct dm_crypt_io *io) +static void kcryptd_crypt_write_convert(struct dm_crypt_io *io) { struct crypt_config *cc = io->target->private; struct bio *clone; @@ -699,6 +699,12 @@ static void kcryptd_crypt_write_convert_loop(struct dm_crypt_io *io) int r; /* + * Prevent io from disappearing until this function completes. + */ + crypt_inc_pending(io); + crypt_convert_init(cc, &io->ctx, NULL, io->base_bio, io->sector); + + /* * The allocated buffers can be smaller than the whole bio, * so repeat the whole process until all the data can be handled. */ @@ -706,7 +712,7 @@ static void kcryptd_crypt_write_convert_loop(struct dm_crypt_io *io) clone = crypt_alloc_buffer(io, remaining); if (unlikely(!clone)) { io->error = -ENOMEM; - return; + break; } io->ctx.bio_out = clone; @@ -720,7 +726,7 @@ static void kcryptd_crypt_write_convert_loop(struct dm_crypt_io *io) /* processed, no running async crypto */ kcryptd_crypt_write_io_submit(io, r, 0); if (unlikely(r < 0)) - return; + break; } else crypt_inc_pending(io); @@ -732,19 +738,6 @@ static void kcryptd_crypt_write_convert_loop(struct dm_crypt_io *io) congestion_wait(WRITE, HZ/100); } } -} - -static void kcryptd_crypt_write_convert(struct dm_crypt_io *io) -{ - struct crypt_config *cc = io->target->private; - - /* - * Prevent io from disappearing until this function completes. - */ - crypt_inc_pending(io); - - crypt_convert_init(cc, &io->ctx, NULL, io->base_bio, io->sector); - kcryptd_crypt_write_convert_loop(io); crypt_dec_pending(io); } |