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Diffstat (limited to 'fs/btrfs/compression.c')
-rw-r--r--fs/btrfs/compression.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index 3f4c832abfed..2600703fab83 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -1611,7 +1611,7 @@ static void heuristic_collect_sample(struct inode *inode, u64 start, u64 end,
curr_sample_pos = 0;
while (index < index_end) {
page = find_get_page(inode->i_mapping, index);
- in_data = kmap(page);
+ in_data = kmap_local_page(page);
/* Handle case where the start is not aligned to PAGE_SIZE */
i = start % PAGE_SIZE;
while (i < PAGE_SIZE - SAMPLING_READ_SIZE) {
@@ -1624,7 +1624,7 @@ static void heuristic_collect_sample(struct inode *inode, u64 start, u64 end,
start += SAMPLING_INTERVAL;
curr_sample_pos += SAMPLING_READ_SIZE;
}
- kunmap(page);
+ kunmap_local(in_data);
put_page(page);
index++;