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-rw-r--r--fs/ceph/inode.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 5a9f907b805e..425c5b1f944e 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -567,12 +567,17 @@ static int fill_inode(struct inode *inode,
/*
* provided version will be odd if inode value is projected,
- * even if stable. skip the update if we have a newer info
- * (e.g., due to inode info racing form multiple MDSs), or if
- * we are getting projected (unstable) inode info.
+ * even if stable. skip the update if we have newer stable
+ * info (ours>=theirs, e.g. due to racing mds replies), unless
+ * we are getting projected (unstable) info (in which case the
+ * version is odd, and we want ours>theirs).
+ * us them
+ * 2 2 skip
+ * 3 2 skip
+ * 3 3 update
*/
if (le64_to_cpu(info->version) > 0 &&
- (ci->i_version & ~1) > le64_to_cpu(info->version))
+ (ci->i_version & ~1) >= le64_to_cpu(info->version))
goto no_change;
issued = __ceph_caps_issued(ci, &implemented);