Attachment 703020 Details for Bug 915862 – potential fix for rhel6 kernels

[patch] potential fix for rhel6 kernels

0001-NFSv4-Fix-the-sync-mount-option-for-nfs4-mounts.patch (text/plain), 1.60 KB, created by Scott Mayhew on 2013-02-26 16:39:53 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Scott Mayhew

Created: 2013-02-26 16:39:53 UTC

Size: 1.60 KB

patch

obsolete

>From 24488b0440e724ee3d57d5965c68f1bbd04559d1 Mon Sep 17 00:00:00 2001
>From: Scott Mayhew <smayhew@redhat.com>
>Date: Tue, 26 Feb 2013 11:26:00 -0500
>Subject: [RHEL6 PATCH] NFSv4: Fix the sync mount option for nfs4 mounts
>
>The sync mount option stopped working for NFSv4 mounts after commit
>c02d7adf8c5429727a98bad1d039bccad4c61c50 (NFSv4: Replace nfs4_path_walk() with
>FS path lookup in a private namespace).  If MS_SYNCHRONOUS is set in the
>super_block that we're cloning from, then it should be set in the new
>super_block as well.
>---
> fs/nfs/super.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
>diff --git a/fs/nfs/super.c b/fs/nfs/super.c
>index b4ac7a6..37abfa2 100644
>--- a/fs/nfs/super.c
>+++ b/fs/nfs/super.c
>@@ -3070,6 +3070,9 @@ static int nfs4_xdev_get_sb(struct file_system_type *fs_type, int flags,
> 	if (server->flags & NFS_MOUNT_NOAC)
> 		sb_mntdata.mntflags |= MS_SYNCHRONOUS;
> 
>+	if (data->sb != NULL && data->sb->s_flags & MS_SYNCHRONOUS)
>+		sb_mntdata.mntflags |= MS_SYNCHRONOUS;
>+
> 	/* Get a superblock - note that we may end up sharing one that already exists */
> 	s = sget(&nfs4_fs_type, compare_super, nfs_set_super, &sb_mntdata);
> 	if (IS_ERR(s)) {
>@@ -3163,6 +3166,9 @@ static int nfs4_remote_referral_get_sb(struct file_system_type *fs_type,
> 	if (server->flags & NFS_MOUNT_NOAC)
> 		sb_mntdata.mntflags |= MS_SYNCHRONOUS;
> 
>+	if (data->sb != NULL && data->sb->s_flags & MS_SYNCHRONOUS)
>+		sb_mntdata.mntflags |= MS_SYNCHRONOUS;
>+
> 	/* Get a superblock - note that we may end up sharing one that already exists */
> 	s = sget(&nfs4_fs_type, compare_super, nfs_set_super, &sb_mntdata);
> 	if (IS_ERR(s)) {
>-- 
>1.7.11.7
>

Actions: View | Diff

Attachments on bug 915862: 703020 | 703021