[01/24] vfs: Undo an overly zealous MS_RDONLY -> SB_RDONLY conversion [ver #7]
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Message ID 152414466871.23902.14667248706795552315.stgit@warthog.procyon.org.uk
State New
Headers show

Commit Message

David Howells April 19, 2018, 1:31 p.m. UTC
In do_mount() when the MS_* flags are being converted to MNT_* flags,
MS_RDONLY got accidentally convered to SB_RDONLY.

Undo this change.

Fixes: e462ec50cb5f ("VFS: Differentiate mount flags (MS_*) from internal superblock flags")
Signed-off-by: David Howells <dhowells@redhat.com>
---

 fs/namespace.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)


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Patch
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diff --git a/fs/namespace.c b/fs/namespace.c
index e398f32d7541..6f720ebca133 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2814,7 +2814,7 @@  long do_mount(const char *dev_name, const char __user *dir_name,
 		mnt_flags |= MNT_NODIRATIME;
 	if (flags & MS_STRICTATIME)
 		mnt_flags &= ~(MNT_RELATIME | MNT_NOATIME);
-	if (flags & SB_RDONLY)
+	if (flags & MS_RDONLY)
 		mnt_flags |= MNT_READONLY;
 
 	/* The default atime for remount is preservation */