b=22766 cascading_rw: take lmm_stripe_count returned by ioctl(LL_IOC_LOV_SETSTRIPE)

i=adilger

diff --git a/lustre/llite/dir.c b/lustre/llite/dir.c
index f5cf954..3ea338a 100644 (file)
--- a/lustre/llite/dir.c
+++ b/lustre/llite/dir.c
@@ -918,8 +918,11 @@ out_free:
                         lmdp = (struct lov_user_mds_data *)arg;
                         lump = &lmdp->lmd_lmm;
                 }
-                if (cfs_copy_to_user(lump, lmm, lmmsize))
-                        GOTO(out_req, rc = -EFAULT);
+                if (cfs_copy_to_user(lump, lmm, lmmsize)) {
+                        if (cfs_copy_to_user(lump, lmm, sizeof(*lump)))
+                                GOTO(out_req, rc = -EFAULT);
+                        rc = -EOVERFLOW;
+                }
         skip_lmm:
                 if (cmd == IOC_MDC_GETFILEINFO || cmd == LL_IOC_MDC_GETINFO) {
                         struct lov_user_mds_data *lmdp;
@@ -1113,7 +1116,7 @@ out_free:
                         CDEBUG(D_QUOTA, "mdc ioctl %d failed: %d\n", cmd, rc);
                         if (cfs_copy_to_user((void *)arg, check,
                                              sizeof(*check)))
-                                rc = -EFAULT;
+                                CDEBUG(D_QUOTA, "cfs_copy_to_user failed\n");
                         GOTO(out_poll, rc);
                 }
 
@@ -1123,7 +1126,7 @@ out_free:
                         CDEBUG(D_QUOTA, "osc ioctl %d failed: %d\n", cmd, rc);
                         if (cfs_copy_to_user((void *)arg, check,
                                              sizeof(*check)))
-                                rc = -EFAULT;
+                                CDEBUG(D_QUOTA, "cfs_copy_to_user failed\n");
                         GOTO(out_poll, rc);
                 }
         out_poll:

diff --git a/lustre/tests/mpi/cascading_rw.c b/lustre/tests/mpi/cascading_rw.c
index fe91c20..08b48e8 100644 (file)
--- a/lustre/tests/mpi/cascading_rw.c
+++ b/lustre/tests/mpi/cascading_rw.c
@@ -68,7 +68,6 @@ char *testdir = NULL;
 void rw_file(char *name, long stride, unsigned int seed)
 {
         char filename[MAX_FILENAME_LEN];
-        char path[MAX_FILENAME_LEN]; 
         char errmsg[MAX_FILENAME_LEN+20];
         char *buf, *o_buf;
         struct lov_user_md lum = {0};
@@ -103,13 +102,6 @@ void rw_file(char *name, long stride, unsigned int seed)
                         sprintf(errmsg, "close of file %s", filename);
                         FAIL(errmsg);
                 }
-
-                strncpy(path, filename, MAX_FILENAME_LEN);
-                rc = llapi_file_get_stripe(path, &lum);
-                if (rc == -1) {
-                        sprintf(errmsg, "get stripe of file %s", filename);
-                        FAIL(errmsg);
-                }
         }
 
         MPI_Barrier(MPI_COMM_WORLD);