Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 549b4fdb authored by Josef Bacik's avatar Josef Bacik
Browse files

Btrfs: check the return value of filemap_write_and_wait in the space cache 



We need to check the return value of filemap_write_and_wait in the space cache
writeout code.  Also don't set the inode's generation until we're sure nothing
else is going to fail.  Thanks,

Signed-off-by: default avatarJosef Bacik <josef@redhat.com>
parent a67509c3

fs/btrfs/free-space-cache.c

+5 −2
Original line number Diff line number Diff line
@@ -852,9 +852,10 @@ int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode, 
	if (ret)

		goto out;



	BTRFS_I(inode)->generation = trans->transid;



	filemap_write_and_wait(inode->i_mapping);

	ret = filemap_write_and_wait(inode->i_mapping);

	if (ret)

		goto out;



	key.objectid = BTRFS_FREE_SPACE_OBJECTID;

	key.offset = offset;
@@ -884,6 +885,8 @@ int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode, 
			goto out;

		}

	}



	BTRFS_I(inode)->generation = trans->transid;

	header = btrfs_item_ptr(leaf, path->slots[0],

				struct btrfs_free_space_header);

	btrfs_set_free_space_entries(leaf, header, entries);