diff options
Diffstat (limited to 'arch/s390/hypfs/hypfs_diag.c')
| -rw-r--r-- | arch/s390/hypfs/hypfs_diag.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/arch/s390/hypfs/hypfs_diag.c b/arch/s390/hypfs/hypfs_diag.c index 279b7bba4d43..26a009f9c49e 100644 --- a/arch/s390/hypfs/hypfs_diag.c +++ b/arch/s390/hypfs/hypfs_diag.c @@ -140,11 +140,22 @@ fail_alloc: int diag204_store(void *buf, int pages) { + unsigned long subcode; int rc; - rc = diag204((unsigned long)diag204_store_sc | - (unsigned long)diag204_get_info_type(), pages, buf); - return rc < 0 ? -EOPNOTSUPP : 0; + subcode = diag204_get_info_type(); + subcode |= diag204_store_sc; + if (diag204_has_bif()) + subcode |= DIAG204_BIF_BIT; + while (1) { + rc = diag204(subcode, pages, buf); + if (rc != -EBUSY) + break; + if (signal_pending(current)) + return -ERESTARTSYS; + schedule_timeout_interruptible(DIAG204_BUSY_WAIT); + } + return rc < 0 ? rc : 0; } struct dbfs_d204_hdr { |