LU-10810 clio: SEEK_HOLE/SEEK_DATA on client side

[fs/lustre-release.git] / lustre / llite / llite_lib.c

diff --git a/lustre/llite/llite_lib.c b/lustre/llite/llite_lib.c
index 2547302..5e6bfd3 100644 (file)
--- a/lustre/llite/llite_lib.c
+++ b/lustre/llite/llite_lib.c
@@ -278,7 +278,7 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt)
                                   OBD_CONNECT2_LSOM |
                                   OBD_CONNECT2_ASYNC_DISCARD |
                                   OBD_CONNECT2_PCC |
-                                  OBD_CONNECT2_CRUSH |
+                                  OBD_CONNECT2_CRUSH | OBD_CONNECT2_LSEEK |
                                   OBD_CONNECT2_GETATTR_PFID;
 
 #ifdef HAVE_LRU_RESIZE_SUPPORT
@@ -477,7 +477,7 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt)
                                  OBD_CONNECT_BULK_MBITS | OBD_CONNECT_SHORTIO |
                                  OBD_CONNECT_FLAGS2 | OBD_CONNECT_GRANT_SHRINK;
        data->ocd_connect_flags2 = OBD_CONNECT2_LOCKAHEAD |
-                                  OBD_CONNECT2_INC_XID;
+                                  OBD_CONNECT2_INC_XID | OBD_CONNECT2_LSEEK;
 
        if (!OBD_FAIL_CHECK(OBD_FAIL_OSC_CONNECT_GRANT_PARAM))
                data->ocd_connect_flags |= OBD_CONNECT_GRANT_PARAM;
@@ -2911,7 +2911,9 @@ struct md_op_data *ll_prep_md_op_data(struct md_op_data *op_data,
                if (namelen > ll_i2sbi(i1)->ll_namelen)
                        return ERR_PTR(-ENAMETOOLONG);
 
-               if (!lu_name_is_valid_2(name, namelen))
+               /* "/" is not valid name, but it's allowed */
+               if (!lu_name_is_valid_2(name, namelen) &&
+                   strncmp("/", name, namelen) != 0)
                        return ERR_PTR(-EINVAL);
        }