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Diffstat (limited to 'drivers/md/dm-bufio.c')
-rw-r--r--drivers/md/dm-bufio.c26
1 files changed, 16 insertions, 10 deletions
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index 86dbbc737402..83cc52eaf56d 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -545,7 +545,8 @@ static void dmio_complete(unsigned long error, void *context)
{
struct dm_buffer *b = context;
- b->bio.bi_end_io(&b->bio, error ? -EIO : 0);
+ b->bio.bi_error = error ? -EIO : 0;
+ b->bio.bi_end_io(&b->bio);
}
static void use_dmio(struct dm_buffer *b, int rw, sector_t block,
@@ -575,13 +576,16 @@ static void use_dmio(struct dm_buffer *b, int rw, sector_t block,
b->bio.bi_end_io = end_io;
r = dm_io(&io_req, 1, &region, NULL);
- if (r)
- end_io(&b->bio, r);
+ if (r) {
+ b->bio.bi_error = r;
+ end_io(&b->bio);
+ }
}
-static void inline_endio(struct bio *bio, int error)
+static void inline_endio(struct bio *bio)
{
bio_end_io_t *end_fn = bio->bi_private;
+ int error = bio->bi_error;
/*
* Reset the bio to free any attached resources
@@ -589,7 +593,8 @@ static void inline_endio(struct bio *bio, int error)
*/
bio_reset(bio);
- end_fn(bio, error);
+ bio->bi_error = error;
+ end_fn(bio);
}
static void use_inline_bio(struct dm_buffer *b, int rw, sector_t block,
@@ -661,13 +666,14 @@ static void submit_io(struct dm_buffer *b, int rw, sector_t block,
* Set the error, clear B_WRITING bit and wake anyone who was waiting on
* it.
*/
-static void write_endio(struct bio *bio, int error)
+static void write_endio(struct bio *bio)
{
struct dm_buffer *b = container_of(bio, struct dm_buffer, bio);
- b->write_error = error;
- if (unlikely(error)) {
+ b->write_error = bio->bi_error;
+ if (unlikely(bio->bi_error)) {
struct dm_bufio_client *c = b->c;
+ int error = bio->bi_error;
(void)cmpxchg(&c->async_write_error, 0, error);
}
@@ -1026,11 +1032,11 @@ found_buffer:
* The endio routine for reading: set the error, clear the bit and wake up
* anyone waiting on the buffer.
*/
-static void read_endio(struct bio *bio, int error)
+static void read_endio(struct bio *bio)
{
struct dm_buffer *b = container_of(bio, struct dm_buffer, bio);
- b->read_error = error;
+ b->read_error = bio->bi_error;
BUG_ON(!test_bit(B_READING, &b->state));