The patch titled
nbd: Abort request on data reception failure
has been added to the -mm tree. Its filename is
nbd-abort-request-on-data-reception-failure.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: nbd: Abort request on data reception failure
From: Michal Feix <michal.feix@xxxxxxxxxxxxxxx>
When reading from nbd device, we need to receive all the data after
receiving reply packet from the server - otherwise such request will never
be ended.
If socket is closed right after accepting reply control packet and in the
middle of waiting for read data, nbd_read_stat() returns NULL and
nbd_end_request() is not called.
This patch fixes it.
Signed-off-by: Michal Feix <michal@xxxxxxx>
Acked-by: Paul Clements <paul.clements@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/block/nbd.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN drivers/block/nbd.c~nbd-abort-request-on-data-reception-failure drivers/block/nbd.c
--- a/drivers/block/nbd.c~nbd-abort-request-on-data-reception-failure
+++ a/drivers/block/nbd.c
@@ -341,7 +341,8 @@ static struct request *nbd_read_stat(str
printk(KERN_ERR "%s: Receive data failed (result %d)\n",
lo->disk->disk_name,
result);
- goto harderror;
+ req->errors++;
+ return req;
}
dprintk(DBG_RX, "%s: request %p: got %d bytes data\n",
lo->disk->disk_name, req, bvec->bv_len);
_
Patches currently in -mm which might be from michal.feix@xxxxxxxxxxxxxxx are
nbd-abort-request-on-data-reception-failure.patch
-
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