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-rw-r--r--fs/ceph/mdsmap.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/ceph/mdsmap.h b/fs/ceph/mdsmap.h
index 89f1931f1ba6..1f2171dd01bf 100644
--- a/fs/ceph/mdsmap.h
+++ b/fs/ceph/mdsmap.h
@@ -27,7 +27,11 @@ struct ceph_mdsmap {
u32 m_session_timeout; /* seconds */
u32 m_session_autoclose; /* seconds */
u64 m_max_file_size;
- u64 m_max_xattr_size; /* maximum size for xattrs blob */
+ /*
+ * maximum size for xattrs blob.
+ * Zeroed by default to force the usage of the (sync) SETXATTR Op.
+ */
+ u64 m_max_xattr_size;
u32 m_max_mds; /* expected up:active mds number */
u32 m_num_active_mds; /* actual up:active mds number */
u32 possible_max_rank; /* possible max rank index */