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authorLinus Torvalds <torvalds@linux-foundation.org>2018-03-16 04:57:14 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2018-03-16 04:57:14 +0300
commitdf09348f78dc53a14faddca4414d66bea849a749 (patch)
tree79d0bda31965824ad7272118f432ddd67e4e5db5 /fs/nfs
parentcfb61b5e3e09f8b49bc4d685429df75f45127adc (diff)
parent95dd77580ccd66a0da96e6d4696945b8cea39431 (diff)
downloadlinux-df09348f78dc53a14faddca4414d66bea849a749.tar.xz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs fixes from Al Viro: - backport-friendly part of lock_parent() race fix - a fix for an assumption in the heurisic used by path_connected() that is not true on NFS - livelock fixes for d_alloc_parallel() * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: fs: Teach path_connected to handle nfs filesystems with multiple roots. fs: dcache: Use READ_ONCE when accessing i_dir_seq fs: dcache: Avoid livelock between d_alloc_parallel and __d_add lock_parent() needs to recheck if dentry got __dentry_kill'ed under it
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/super.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 29bacdc56f6a..5e470e233c83 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -2631,6 +2631,8 @@ struct dentry *nfs_fs_mount_common(struct nfs_server *server,
/* initial superblock/root creation */
mount_info->fill_super(s, mount_info);
nfs_get_cache_cookie(s, mount_info->parsed, mount_info->cloned);
+ if (!(server->flags & NFS_MOUNT_UNSHARED))
+ s->s_iflags |= SB_I_MULTIROOT;
}
mntroot = nfs_get_root(s, mount_info->mntfh, dev_name);