Set the FS_WB_ERRSEQ flag to opt-in to errseq_t based reporting.
Internal call to filemap_* functions are left as-is.

Signed-off-by: Jeff Layton <[email protected]>
---
 fs/btrfs/super.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 4f1cdd5058f1..c99af09cd3e7 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -2184,7 +2184,7 @@ static struct file_system_type btrfs_fs_type = {
        .name           = "btrfs",
        .mount          = btrfs_mount,
        .kill_sb        = btrfs_kill_super,
-       .fs_flags       = FS_REQUIRES_DEV | FS_BINARY_MOUNTDATA,
+       .fs_flags       = FS_REQUIRES_DEV | FS_BINARY_MOUNTDATA | FS_WB_ERRSEQ,
 };
 MODULE_ALIAS_FS("btrfs");
 
-- 
2.13.0

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