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authorCong Wang <amwang@redhat.com>2011-11-25 19:14:28 +0400
committerCong Wang <xiyou.wangcong@gmail.com>2012-03-20 17:48:21 +0400
commit7ac687d9e047b3fa335f04e18c7188db6a170334 (patch)
tree5f17ea504a2185070b75076ea0108d88b96309c3 /fs/btrfs/compression.c
parente8e3c3d66fd9d1ee2250f68d778cc48c1346d228 (diff)
downloadlinux-7ac687d9e047b3fa335f04e18c7188db6a170334.tar.xz
btrfs: remove the second argument of k[un]map_atomic()
Signed-off-by: Cong Wang <amwang@redhat.com>
Diffstat (limited to 'fs/btrfs/compression.c')
-rw-r--r--fs/btrfs/compression.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index d02c27cd14c7..b805afb37fa8 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -120,10 +120,10 @@ static int check_compressed_csum(struct inode *inode,
page = cb->compressed_pages[i];
csum = ~(u32)0;
- kaddr = kmap_atomic(page, KM_USER0);
+ kaddr = kmap_atomic(page);
csum = btrfs_csum_data(root, kaddr, csum, PAGE_CACHE_SIZE);
btrfs_csum_final(csum, (char *)&csum);
- kunmap_atomic(kaddr, KM_USER0);
+ kunmap_atomic(kaddr);
if (csum != *cb_sum) {
printk(KERN_INFO "btrfs csum failed ino %llu "
@@ -521,10 +521,10 @@ static noinline int add_ra_bio_pages(struct inode *inode,
if (zero_offset) {
int zeros;
zeros = PAGE_CACHE_SIZE - zero_offset;
- userpage = kmap_atomic(page, KM_USER0);
+ userpage = kmap_atomic(page);
memset(userpage + zero_offset, 0, zeros);
flush_dcache_page(page);
- kunmap_atomic(userpage, KM_USER0);
+ kunmap_atomic(userpage);
}
}
@@ -993,9 +993,9 @@ int btrfs_decompress_buf2page(char *buf, unsigned long buf_start,
bytes = min(PAGE_CACHE_SIZE - *pg_offset,
PAGE_CACHE_SIZE - buf_offset);
bytes = min(bytes, working_bytes);
- kaddr = kmap_atomic(page_out, KM_USER0);
+ kaddr = kmap_atomic(page_out);
memcpy(kaddr + *pg_offset, buf + buf_offset, bytes);
- kunmap_atomic(kaddr, KM_USER0);
+ kunmap_atomic(kaddr);
flush_dcache_page(page_out);
*pg_offset += bytes;