1 files changed, 4 insertions, 0 deletions

diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index 9adaa79adad9..354913177ba6 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -220,10 +220,12 @@ static void end_compressed_bio_write(struct bio *bio, int err)
          */
         inode = cb->inode;
         tree = &BTRFS_I(inode)->io_tree;
+        cb->compressed_pages[0]->mapping = cb->inode->i_mapping;
         tree->ops->writepage_end_io_hook(cb->compressed_pages[0],
                                          cb->start,
                                          cb->start + cb->len - 1,
                                          NULL, 1);
+        cb->compressed_pages[0]->mapping = NULL;
 
         end_compressed_writeback(inode, cb->start, cb->len);
         /* note, our inode could be gone now */
@@ -306,6 +308,7 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start,
                 else
                         ret = 0;
 
+                page->mapping = NULL;
                 if (ret || bio_add_page(bio, page, PAGE_CACHE_SIZE, 0) <
                     PAGE_CACHE_SIZE) {
                         bio_get(bio);
@@ -423,6 +426,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio,
                 else
                         ret = 0;
 
+                page->mapping = NULL;
                 if (ret || bio_add_page(comp_bio, page, PAGE_CACHE_SIZE, 0) <
                     PAGE_CACHE_SIZE) {
                         bio_get(comp_bio);