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-rw-r--r--fs/ceph/file.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index e77c28cf369..87ee944724f 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -154,11 +154,13 @@ int ceph_open(struct inode *inode, struct file *file)
}
/*
- * No need to block if we have any caps. Update wanted set
+ * No need to block if we have caps on the auth MDS (for
+ * write) or any MDS (for read). Update wanted set
* asynchronously.
*/
spin_lock(&inode->i_lock);
- if (__ceph_is_any_real_caps(ci)) {
+ if (__ceph_is_any_real_caps(ci) &&
+ (((fmode & CEPH_FILE_MODE_WR) == 0) || ci->i_auth_cap)) {
int mds_wanted = __ceph_caps_mds_wanted(ci);
int issued = __ceph_caps_issued(ci, NULL);