diff options
| author | Wei Yongjun <yongjun_wei@trendmicro.com.cn> | 2012-10-12 17:59:47 +0200 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2012-10-12 17:59:47 +0200 |
| commit | 0bcf08798eb9fc3cd0fe2e6b74b25f3f57fa8af2 (patch) | |
| tree | 61a17180c1ee5ee32c02137016bbbc4c421466b2 /drivers/md | |
| parent | dm: use ACCESS_ONCE for sysfs values (diff) | |
| download | linux-0bcf08798eb9fc3cd0fe2e6b74b25f3f57fa8af2.tar.xz linux-0bcf08798eb9fc3cd0fe2e6b74b25f3f57fa8af2.zip | |
dm persistent data: convert to use le32_add_cpu
Convert cpu_to_le32(le32_to_cpu(E1) + E2) to use le32_add_cpu().
dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/persistent-data/dm-space-map-common.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/md/persistent-data/dm-space-map-common.c b/drivers/md/persistent-data/dm-space-map-common.c index d77602d63c83..f3a9af8cdec3 100644 --- a/drivers/md/persistent-data/dm-space-map-common.c +++ b/drivers/md/persistent-data/dm-space-map-common.c @@ -434,14 +434,14 @@ int sm_ll_insert(struct ll_disk *ll, dm_block_t b, if (ref_count && !old) { *ev = SM_ALLOC; ll->nr_allocated++; - ie_disk.nr_free = cpu_to_le32(le32_to_cpu(ie_disk.nr_free) - 1); + le32_add_cpu(&ie_disk.nr_free, -1); if (le32_to_cpu(ie_disk.none_free_before) == bit) ie_disk.none_free_before = cpu_to_le32(bit + 1); } else if (old && !ref_count) { *ev = SM_FREE; ll->nr_allocated--; - ie_disk.nr_free = cpu_to_le32(le32_to_cpu(ie_disk.nr_free) + 1); + le32_add_cpu(&ie_disk.nr_free, 1); ie_disk.none_free_before = cpu_to_le32(min(le32_to_cpu(ie_disk.none_free_before), bit)); } |