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authorChristoph Hellwig <hch@lst.de>2017-06-03 09:38:06 +0200
committerJens Axboe <axboe@fb.com>2017-06-09 17:27:32 +0200
commit4e4cbee93d56137ebff722be022cae5f70ef84fb (patch)
tree4fa7345155599fc6bdd653fca8c5224ddf90a5be /kernel
parentblk-mq: switch ->queue_rq return value to blk_status_t (diff)
downloadlinux-4e4cbee93d56137ebff722be022cae5f70ef84fb.tar.xz
linux-4e4cbee93d56137ebff722be022cae5f70ef84fb.zip
block: switch bios to blk_status_t
Replace bi_error with a new bi_status to allow for a clear conversion. Note that device mapper overloaded bi_error with a private value, which we'll have to keep arround at least for now and thus propagate to a proper blk_status_t value. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/power/swap.c14
-rw-r--r--kernel/trace/blktrace.c4
2 files changed, 9 insertions, 9 deletions
diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index f80fd33639e0..57d22571f306 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -225,14 +225,14 @@ static struct block_device *hib_resume_bdev;
struct hib_bio_batch {
atomic_t count;
wait_queue_head_t wait;
- int error;
+ blk_status_t error;
};
static void hib_init_batch(struct hib_bio_batch *hb)
{
atomic_set(&hb->count, 0);
init_waitqueue_head(&hb->wait);
- hb->error = 0;
+ hb->error = BLK_STS_OK;
}
static void hib_end_io(struct bio *bio)
@@ -240,7 +240,7 @@ static void hib_end_io(struct bio *bio)
struct hib_bio_batch *hb = bio->bi_private;
struct page *page = bio->bi_io_vec[0].bv_page;
- if (bio->bi_error) {
+ if (bio->bi_status) {
printk(KERN_ALERT "Read-error on swap-device (%u:%u:%Lu)\n",
imajor(bio->bi_bdev->bd_inode),
iminor(bio->bi_bdev->bd_inode),
@@ -253,8 +253,8 @@ static void hib_end_io(struct bio *bio)
flush_icache_range((unsigned long)page_address(page),
(unsigned long)page_address(page) + PAGE_SIZE);
- if (bio->bi_error && !hb->error)
- hb->error = bio->bi_error;
+ if (bio->bi_status && !hb->error)
+ hb->error = bio->bi_status;
if (atomic_dec_and_test(&hb->count))
wake_up(&hb->wait);
@@ -293,10 +293,10 @@ static int hib_submit_io(int op, int op_flags, pgoff_t page_off, void *addr,
return error;
}
-static int hib_wait_io(struct hib_bio_batch *hb)
+static blk_status_t hib_wait_io(struct hib_bio_batch *hb)
{
wait_event(hb->wait, atomic_read(&hb->count) == 0);
- return hb->error;
+ return blk_status_to_errno(hb->error);
}
/*
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 193c5f5e3f79..bc364f86100a 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -867,7 +867,7 @@ static void blk_add_trace_split(void *ignore,
__blk_add_trace(bt, bio->bi_iter.bi_sector,
bio->bi_iter.bi_size, bio_op(bio), bio->bi_opf,
- BLK_TA_SPLIT, bio->bi_error, sizeof(rpdu),
+ BLK_TA_SPLIT, bio->bi_status, sizeof(rpdu),
&rpdu);
}
}
@@ -900,7 +900,7 @@ static void blk_add_trace_bio_remap(void *ignore,
r.sector_from = cpu_to_be64(from);
__blk_add_trace(bt, bio->bi_iter.bi_sector, bio->bi_iter.bi_size,
- bio_op(bio), bio->bi_opf, BLK_TA_REMAP, bio->bi_error,
+ bio_op(bio), bio->bi_opf, BLK_TA_REMAP, bio->bi_status,
sizeof(r), &r);
}