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| author | Lars Ellenberg <lars.ellenberg@linbit.com> | 2012-09-27 15:19:38 +0200 |
|---|---|---|
| committer | Philipp Reisner <philipp.reisner@linbit.com> | 2012-11-09 14:11:41 +0100 |
| commit | 42839f65361baa0fa62494c32f1dae570e9dce19 (patch) | |
| tree | 1ddd9c433dfed793d3cbe45f900f470cd7d781d1 /drivers/block | |
| parent | edc9f5eb7afa3d832f540fcfe10e3e1087e6f527 (diff) | |
| download | linux-42839f65361baa0fa62494c32f1dae570e9dce19.tar.gz | |
drbd: log request sector offset and size for IO errors
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/drbd/drbd_req.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c index 97a9e69dd239..b905a0453bf9 100644 --- a/drivers/block/drbd/drbd_req.c +++ b/drivers/block/drbd/drbd_req.c @@ -425,6 +425,20 @@ static void mod_rq_state(struct drbd_request *req, struct bio_and_error *m, kref_sub(&req->kref, k_put, drbd_req_destroy); } +static void drbd_report_io_error(struct drbd_conf *mdev, struct drbd_request *req) +{ + char b[BDEVNAME_SIZE]; + + if (!__ratelimit(&drbd_ratelimit_state)) + return; + + dev_warn(DEV, "local %s IO error sector %llu+%u on %s\n", + (req->rq_state & RQ_WRITE) ? "WRITE" : "READ", + (unsigned long long)req->i.sector, + req->i.size >> 9, + bdevname(mdev->ldev->backing_bdev, b)); +} + /* obviously this could be coded as many single functions * instead of one huge switch, * or by putting the code directly in the respective locations @@ -493,12 +507,14 @@ int __req_mod(struct drbd_request *req, enum drbd_req_event what, break; case WRITE_COMPLETED_WITH_ERROR: + drbd_report_io_error(mdev, req); __drbd_chk_io_error(mdev, DRBD_WRITE_ERROR); mod_rq_state(req, m, RQ_LOCAL_PENDING, RQ_LOCAL_COMPLETED); break; case READ_COMPLETED_WITH_ERROR: drbd_set_out_of_sync(mdev, req->i.sector, req->i.size); + drbd_report_io_error(mdev, req); __drbd_chk_io_error(mdev, DRBD_READ_ERROR); /* fall through. */ case READ_AHEAD_COMPLETED_WITH_ERROR: @@ -1108,7 +1124,8 @@ void __drbd_make_request(struct drbd_conf *mdev, struct bio *bio, unsigned long } else if (no_remote) { nodata: if (__ratelimit(&drbd_ratelimit_state)) - dev_err(DEV, "IO ERROR: neither local nor remote disk\n"); + dev_err(DEV, "IO ERROR: neither local nor remote data, sector %llu+%u\n", + (unsigned long long)req->i.sector, req->i.size >> 9); /* A write may have been queued for send_oos, however. * So we can not simply free it, we must go through drbd_req_put_completion_ref() */ } |