dm crypt: move dec_pending on error into write_io_submit
Make kcryptd_crypt_write_io_submit() responsible for decrementing
the pending count after an error.
Also fixes a bug in the async path that forgot to decrement it.
Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 0042636..d8126ac 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -674,6 +674,7 @@
crypt_free_buffer_pages(cc, clone);
bio_put(clone);
io->error = -EIO;
+ crypt_dec_pending(io);
return;
}
@@ -724,10 +725,8 @@
/* processed, no running async crypto */
crypt_inc_pending(io);
kcryptd_crypt_write_io_submit(io, r, 0);
- if (unlikely(r < 0)) {
- crypt_dec_pending(io);
+ if (unlikely(r < 0))
break;
- }
} else
crypt_inc_pending(io);