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vfs: Undo an overly zealous MS_RDONLY -> SB_RDONLY conversion

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[ Upstream commit a9e5b73288cf1595ac2e05cf1acd1924ceea05fa ]

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>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
David Howells 2018-04-20 13:35:02 +01:00 committed by Greg Kroah-Hartman
parent bd595dbfcb
commit 6bf379f26a
1 changed files with 1 additions and 1 deletions
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2
fs/namespace.c
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@ -2810,7 +2810,7 @@ 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 */