Btrfs: Use KM_USERN instead of KM_IRQ during data summing
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c
index e17cce3..374d024 100644
--- a/fs/btrfs/file-item.c
+++ b/fs/btrfs/file-item.c
@@ -278,11 +278,11 @@
btrfs_item_size_nr(leaf, path->slots[0]));
eb_token = NULL;
next_bvec:
- data = kmap_atomic(bvec->bv_page, KM_IRQ0);
+ data = kmap_atomic(bvec->bv_page, KM_USER0);
csum_result = ~(u32)0;
csum_result = btrfs_csum_data(root, data + bvec->bv_offset,
csum_result, bvec->bv_len);
- kunmap_atomic(data, KM_IRQ0);
+ kunmap_atomic(data, KM_USER0);
btrfs_csum_final(csum_result, (char *)&csum_result);
if (csum_result == 0) {
printk("csum result is 0 for inode %lu offset %Lu\n", inode->i_ino, offset);
@@ -293,12 +293,12 @@
int err;
if (eb_token)
- unmap_extent_buffer(leaf, eb_token, KM_IRQ1);
+ unmap_extent_buffer(leaf, eb_token, KM_USER1);
eb_token = NULL;
err = map_private_extent_buffer(leaf, (unsigned long)item,
BTRFS_CRC32_SIZE,
&eb_token, &eb_map,
- &map_start, &map_len, KM_IRQ1);
+ &map_start, &map_len, KM_USER1);
if (err)
eb_token = NULL;
}
@@ -321,7 +321,7 @@
}
}
if (eb_token) {
- unmap_extent_buffer(leaf, eb_token, KM_IRQ1);
+ unmap_extent_buffer(leaf, eb_token, KM_USER1);
eb_token = NULL;
}
btrfs_mark_buffer_dirty(path->nodes[0]);