See the comment inline :-)
Bug: https://bugzilla.samba.org/show_bug.cgi?id=12268
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Simo <simo@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Thu Sep 15 20:21:41 CEST 2016 on sn-devel-144
(cherry picked from commit
e69b17d603e5f09ac1e7ee05fc1f5ad67288c484)
Autobuild-User(v4-4-test): Karolin Seeger <kseeger@samba.org>
Autobuild-Date(v4-4-test): Mon Sep 19 13:44:01 CEST 2016 on sn-devel-144
+ if (local_flags & O_NONBLOCK) {
+ /*
+ * GPFS can return ETIMEDOUT for pread on
+ * nonblocking file descriptors when files
+ * migrated to tape need to be recalled. I
+ * could imagine this happens elsehwere
+ * too. With blocking file descriptors this
+ * does not happen.
+ */
+ ret = set_blocking(fsp->fh->fd, true);
+ if (ret == -1) {
+ status = map_nt_error_from_unix(errno);
+ DBG_WARNING("Could not set fd to blocking: "
+ "%s\n", strerror(errno));
+ fd_close(fsp);
+ return status;
+ }
+ }
+
ret = SMB_VFS_FSTAT(fsp, &smb_fname->st);
if (ret == -1) {
/* If we have an fd, this stat should succeed. */
ret = SMB_VFS_FSTAT(fsp, &smb_fname->st);
if (ret == -1) {
/* If we have an fd, this stat should succeed. */