[SCM] Samba Shared Repository - branch master updated

[Volker Lendecke]

The branch, master has been updated
       via  e69b17d smbd: Reset O_NONBLOCK on open files
      from  064d240 s4:samba_spnupdate: do not attempt to parse log level, use parsed value

https://git.samba.org/?p=samba.git;a=shortlog;h=master


- Log -----------------------------------------------------------------
commit e69b17d603e5f09ac1e7ee05fc1f5ad67288c484
Author: Volker Lendecke <vl at samba.org>
Date:   Mon Aug 29 09:58:45 2016 +0200

    smbd: Reset O_NONBLOCK on open files
    
    See the comment inline :-)
    
    Bug: https://bugzilla.samba.org/show_bug.cgi?id=12268
    Signed-off-by: Volker Lendecke <vl at samba.org>
    Reviewed-by: Simo <simo at samba.org>
    
    Autobuild-User(master): Volker Lendecke <vl at samba.org>
    Autobuild-Date(master): Thu Sep 15 20:21:41 CEST 2016 on sn-devel-144

-----------------------------------------------------------------------

Summary of changes:
 source3/smbd/open.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)


Changeset truncated at 500 lines:

diff --git a/source3/smbd/open.c b/source3/smbd/open.c
index d536076..c6de2dc 100644
--- a/source3/smbd/open.c
+++ b/source3/smbd/open.c
@@ -901,6 +901,25 @@ static NTSTATUS open_file(files_struct *fsp,
 			return status;
 		}
 
+		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. */


-- 
Samba Shared Repository