Hi Zach,
FYI, there are new sparse warnings show up in
tree: git://github.com/kleikamp/linux-shaggy loop_v3
head: d6e600319940e6015af553f1515cee9d53a3ced9
commit: c6aadd9b8fd4039534075531b06c8dc263f27c9d [16/22] loop: use aio to perform io on the underlying file
+ drivers/block/loop.c:217:6: sparse: symbol 'lo_rw_aio_complete' was not declared. Should it be static?
drivers/block/loop.c:270:38: sparse: incorrect type in argument 2 (different address spaces)
drivers/block/loop.c:270:38: expected char const [noderef] <asn:1>*<noident>
drivers/block/loop.c:270:38: got unsigned char [usertype] *buf
vim +217 drivers/block/loop.c
73285082 Ken Chen 2007-05-08 201 set_capacity(lo->lo_disk, x);
7035b5df Dmitry Monakhov 2011-11-16 202 return 0;
^1da177e Linus Torvalds 2005-04-16 203 }
^1da177e Linus Torvalds 2005-04-16 204
^1da177e Linus Torvalds 2005-04-16 205 static inline int
^1da177e Linus Torvalds 2005-04-16 206 lo_do_transfer(struct loop_device *lo, int cmd,
^1da177e Linus Torvalds 2005-04-16 207 struct page *rpage, unsigned roffs,
^1da177e Linus Torvalds 2005-04-16 208 struct page *lpage, unsigned loffs,
^1da177e Linus Torvalds 2005-04-16 209 int size, sector_t rblock)
^1da177e Linus Torvalds 2005-04-16 210 {
^1da177e Linus Torvalds 2005-04-16 211 if (unlikely(!lo->transfer))
^1da177e Linus Torvalds 2005-04-16 212 return 0;
^1da177e Linus Torvalds 2005-04-16 213
^1da177e Linus Torvalds 2005-04-16 214 return lo->transfer(lo, cmd, rpage, roffs, lpage, loffs, size, rblock);
^1da177e Linus Torvalds 2005-04-16 215 }
^1da177e Linus Torvalds 2005-04-16 216
c6aadd9b From: Zach Brown 2012-10-15 @217 void lo_rw_aio_complete(u64 data, long res)
c6aadd9b From: Zach Brown 2012-10-15 218 {
c6aadd9b From: Zach Brown 2012-10-15 219 struct bio *bio = (struct bio *)(uintptr_t)data;
c6aadd9b From: Zach Brown 2012-10-15 220
c6aadd9b From: Zach Brown 2012-10-15 221 if (res > 0)
c6aadd9b From: Zach Brown 2012-10-15 222 res = 0;
c6aadd9b From: Zach Brown 2012-10-15 223 else if (res < 0)
c6aadd9b From: Zach Brown 2012-10-15 224 res = -EIO;
c6aadd9b From: Zach Brown 2012-10-15 225
---
0-DAY kernel build testing backend Open Source Technology Center
Fengguang Wu, Yuanhan Liu Intel Corporation
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