From 4fb5dda39c26fa5b64059dac0a2c3340a4f6f11b Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Thu, 19 Mar 2020 15:34:13 -0400 Subject: [PATCH] ceph: document what protects i_dirty_item and i_flushing_item Signed-off-by: Jeff Layton Signed-off-by: Ilya Dryomov --- fs/ceph/super.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/ceph/super.h b/fs/ceph/super.h index 47cfd8935b9c..bb372859c0ad 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -351,7 +351,9 @@ struct ceph_inode_info { struct rb_root i_caps; /* cap list */ struct ceph_cap *i_auth_cap; /* authoritative cap, if any */ unsigned i_dirty_caps, i_flushing_caps; /* mask of dirtied fields */ - struct list_head i_dirty_item, i_flushing_item; + struct list_head i_dirty_item, i_flushing_item; /* protected by + * mdsc->cap_dirty_lock + */ /* we need to track cap writeback on a per-cap-bit basis, to allow * overlapping, pipelined cap flushes to the mds. we can probably * reduce the tid to 8 bits if we're concerned about inode size. */