btrfs: remove the second argument of k[un]map_atomic()
Signed-off-by: Cong Wang <amwang@redhat.com>
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 892b347..3a0b5c1 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -173,9 +173,9 @@
cur_size = min_t(unsigned long, compressed_size,
PAGE_CACHE_SIZE);
- kaddr = kmap_atomic(cpage, KM_USER0);
+ kaddr = kmap_atomic(cpage);
write_extent_buffer(leaf, kaddr, ptr, cur_size);
- kunmap_atomic(kaddr, KM_USER0);
+ kunmap_atomic(kaddr);
i++;
ptr += cur_size;
@@ -187,10 +187,10 @@
page = find_get_page(inode->i_mapping,
start >> PAGE_CACHE_SHIFT);
btrfs_set_file_extent_compression(leaf, ei, 0);
- kaddr = kmap_atomic(page, KM_USER0);
+ kaddr = kmap_atomic(page);
offset = start & (PAGE_CACHE_SIZE - 1);
write_extent_buffer(leaf, kaddr + offset, ptr, size);
- kunmap_atomic(kaddr, KM_USER0);
+ kunmap_atomic(kaddr);
page_cache_release(page);
}
btrfs_mark_buffer_dirty(leaf);
@@ -422,10 +422,10 @@
* sending it down to disk
*/
if (offset) {
- kaddr = kmap_atomic(page, KM_USER0);
+ kaddr = kmap_atomic(page);
memset(kaddr + offset, 0,
PAGE_CACHE_SIZE - offset);
- kunmap_atomic(kaddr, KM_USER0);
+ kunmap_atomic(kaddr);
}
will_compress = 1;
}
@@ -1873,7 +1873,7 @@
} else {
ret = get_state_private(io_tree, start, &private);
}
- kaddr = kmap_atomic(page, KM_USER0);
+ kaddr = kmap_atomic(page);
if (ret)
goto zeroit;
@@ -1882,7 +1882,7 @@
if (csum != private)
goto zeroit;
- kunmap_atomic(kaddr, KM_USER0);
+ kunmap_atomic(kaddr);
good:
return 0;
@@ -1894,7 +1894,7 @@
(unsigned long long)private);
memset(kaddr + offset, 1, end - start + 1);
flush_dcache_page(page);
- kunmap_atomic(kaddr, KM_USER0);
+ kunmap_atomic(kaddr);
if (private == 0)
return 0;
return -EIO;
@@ -4937,12 +4937,12 @@
ret = btrfs_decompress(compress_type, tmp, page,
extent_offset, inline_size, max_size);
if (ret) {
- char *kaddr = kmap_atomic(page, KM_USER0);
+ char *kaddr = kmap_atomic(page);
unsigned long copy_size = min_t(u64,
PAGE_CACHE_SIZE - pg_offset,
max_size - extent_offset);
memset(kaddr + pg_offset, 0, copy_size);
- kunmap_atomic(kaddr, KM_USER0);
+ kunmap_atomic(kaddr);
}
kfree(tmp);
return 0;
@@ -5719,11 +5719,11 @@
unsigned long flags;
local_irq_save(flags);
- kaddr = kmap_atomic(page, KM_IRQ0);
+ kaddr = kmap_atomic(page);
csum = btrfs_csum_data(root, kaddr + bvec->bv_offset,
csum, bvec->bv_len);
btrfs_csum_final(csum, (char *)&csum);
- kunmap_atomic(kaddr, KM_IRQ0);
+ kunmap_atomic(kaddr);
local_irq_restore(flags);
flush_dcache_page(bvec->bv_page);