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block: replace end_request() with [__]blk_end_request_cur()

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end_request() has been kept around for backward compatibility;
however, it's about time for it to go away.

* There aren't too many users left.

* Its use of @updtodate is pretty confusing.

* In some cases, newer code ends up using mixture of end_request() and
  [__]blk_end_request[_all](), which is way too confusing.

So, add [__]blk_end_request_cur() and replace end_request() with it.
Most conversions are straightforward.  Noteworthy ones are...

* paride/pcd: next_request() updated to take 0/-errno instead of 1/0.

* paride/pf: pf_end_request() and next_request() updated to take
  0/-errno instead of 1/0.

* xd: xd_readwrite() updated to return 0/-errno instead of 1/0.

* mtd/mtd_blkdevs: blktrans_discard_request() updated to return
  0/-errno instead of 1/0.  Unnecessary local variable res
  initialization removed from mtd_blktrans_thread().

[ Impact: cleanup ]

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Joerg Dorchain <joerg@dorchain.net>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Laurent Vivier <Laurent@lvivier.info>
Cc: Tim Waugh <tim@cyberelk.net>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Jeremy Fitzhardinge <jeremy@xensource.com>
Cc: Markus Lidel <Markus.Lidel@shadowconnect.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Pete Zaitcev <zaitcev@redhat.com>
Cc: unsik Kim <donari75@gmail.com>
This commit is contained in:
Tejun Heo
2009-04-23 11:05:19 +09:00
committed by Jens Axboe
parent 40cbbb781d
commit f06d9a2b52
19 changed files with 128 additions and 126 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/block/ps3disk.c
View File

@@ -158,7 +158,7 @@ static int ps3disk_submit_request_sg(struct ps3_storage_device *dev,
if (res) {
dev_err(&dev->sbd.core, "%s:%u: %s failed %d\n", __func__,
__LINE__, op, res);
end_request(req, 0);
__blk_end_request_cur(req, -EIO);
return 0;
}
@@ -180,7 +180,7 @@ static int ps3disk_submit_flush_request(struct ps3_storage_device *dev,
if (res) {
dev_err(&dev->sbd.core, "%s:%u: sync cache failed 0x%llx\n",
__func__, __LINE__, res);
end_request(req, 0);
__blk_end_request_cur(req, -EIO);
return 0;
}
@@ -205,7 +205,7 @@ static void ps3disk_do_request(struct ps3_storage_device *dev,
break;
} else {
blk_dump_rq_flags(req, DEVICE_NAME " bad request");
end_request(req, 0);
__blk_end_request_cur(req, -EIO);
continue;
}
}