openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

A patch to fix dm-cache-policy-mq's remove_mapping() conflict with sparc32. 

-----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1.4.13 (GNU/Linux)
 
 iQEcBAABAgAGBQJSE8bRAAoJEMUj8QotnQNaTEEH/A+Nopgj94CbYaty/6iCeCtE
 kUwQh7mCg+JoGK0YfJFq9BgseYSC0iCH0bqgV0vhd46nLxn6k0SUhVB1+exT+d0b
 5enQOQ0ngyji4ghTrNId+FD0KXqkpg96YPyWg2NgoVlVrH1Nk2TNyZSGn5vVisM6
 xSFJ2gjL5o00pspCamVuAHBDYgQPtq3S/JIVk3ndrc3wvUl4SuhJMT6vc39oo0QA
 MndWBgxTHCcMBgcWo5RF7uCYr+HLXf6mD+ZFt4qw+NF3qAkMzM9lSL7YkCWAghPH
 uPktyvwczGI9C+VT5uPD+EbvFJGQbBscV+/wGIEkniWhyIjXcQTfOaTqVpFRcNQ=
 =qzw6
 -----END PGP SIGNATURE-----

Merge tag 'dm-3.11-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper fix from Mike Snitzer:
 "A patch to fix dm-cache-policy-mq's remove_mapping() conflict with
  sparc32"

* tag 'dm-3.11-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm cache: avoid conflicting remove_mapping() in mq policy
This commit is contained in:
Linus Torvalds 2013-08-22 10:43:00 -07:00
parent 41aacc1eea b936bf8b78
commit ee7075d45f
1 changed files with 7 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/md/dm-cache-policy-mq.c
View File

@ -959,23 +959,21 @@ static int mq_walk_mappings(struct dm_cache_policy *p, policy_walk_fn fn,
return r;
}
static void remove_mapping(struct mq_policy *mq, dm_oblock_t oblock)
static void mq_remove_mapping(struct dm_cache_policy *p, dm_oblock_t oblock)
{
struct entry *e = hash_lookup(mq, oblock);
struct mq_policy *mq = to_mq_policy(p);
struct entry *e;
mutex_lock(&mq->lock);
e = hash_lookup(mq, oblock);
BUG_ON(!e || !e->in_cache);
del(mq, e);
e->in_cache = false;
push(mq, e);
}
static void mq_remove_mapping(struct dm_cache_policy *p, dm_oblock_t oblock)
{
struct mq_policy *mq = to_mq_policy(p);
mutex_lock(&mq->lock);
remove_mapping(mq, oblock);
mutex_unlock(&mq->lock);
}