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Subject[PATCH 09/13] mqueue: don't ignore options
Date
The options "sync", "async", "dirsync", "lazytime", "nolazytime", "mand"
and "nomand" make no sense for the mqueue filesystem. If these options are
supplied to fsconfig(FSCONFIG_SET_FLAG), then return -EINVAL instead of
silently ignoring the option.

Any implementation, such as mount(8) that needs to parse this option
without failing should simply ignore the return value from fsconfig().

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
---
ipc/mqueue.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 557aa887996a..1e8567c20d6a 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -1577,7 +1577,7 @@ static const struct super_operations mqueue_super_ops = {

static const struct fs_context_operations mqueue_fs_context_ops = {
.free = mqueue_fs_context_free,
- .parse_param = vfs_parse_sb_flag,
+ .parse_param = vfs_parse_ro_rw,
.get_tree = mqueue_get_tree,
};

--
2.21.0
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