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yaml
---
r: 147023
b: refs/heads/master
c: bab2a80
h: refs/heads/master
i:
  147021: b3c3334
  147019: c7f3594
  147015: c76cdad
  147007: 2fe8f76
v: v3
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Tejun Heo authored and Jens Axboe committed May 11, 2009
1 parent 8f374d8 commit 945122a
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Showing 2 changed files with 18 additions and 13 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 06b0608e2b46465e8e663214e7db982ddb000346
refs/heads/master: bab2a807a489822ded0c9d4a5344c80bcac10b0a
29 changes: 17 additions & 12 deletions trunk/drivers/block/xd.c
Original file line number Diff line number Diff line change
Expand Up @@ -305,26 +305,31 @@ static void do_xd_request (struct request_queue * q)
if (xdc_busy)
return;

while ((req = elv_next_request(q)) != NULL) {
req = elv_next_request(q);
if (req)
blkdev_dequeue_request(req);

while (req) {
unsigned block = blk_rq_pos(req);
unsigned count = blk_rq_sectors(req);
unsigned count = blk_rq_cur_sectors(req);
XD_INFO *disk = req->rq_disk->private_data;
int res = 0;
int res = -EIO;
int retry;

if (!blk_fs_request(req)) {
__blk_end_request_cur(req, -EIO);
continue;
}
if (block + count > get_capacity(req->rq_disk)) {
__blk_end_request_cur(req, -EIO);
continue;
}
if (!blk_fs_request(req))
goto done;
if (block + count > get_capacity(req->rq_disk))
goto done;
for (retry = 0; (retry < XD_RETRIES) && !res; retry++)
res = xd_readwrite(rq_data_dir(req), disk, req->buffer,
block, count);
done:
/* wrap up, 0 = success, -errno = fail */
__blk_end_request_cur(req, res);
if (!__blk_end_request_cur(req, res)) {
req = elv_next_request(q);
if (req)
blkdev_dequeue_request(req);
}
}
}

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