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Subject[PATCH 12/13] fusectl: don't ignore options
Date
The options "sync", "async", "dirsync", "lazytime", "nolazytime", "mand"
and "nomand" make no sense for the fusectl 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>
---
fs/fuse/control.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/fuse/control.c b/fs/fuse/control.c
index c35013ed7f65..f3aab288929f 100644
--- a/fs/fuse/control.c
+++ b/fs/fuse/control.c
@@ -351,7 +351,7 @@ static int fuse_ctl_get_tree(struct fs_context *fc)

static const struct fs_context_operations fuse_ctl_context_ops = {
.get_tree = fuse_ctl_get_tree,
- .parse_param = vfs_parse_fs_param,
+ .parse_param = vfs_parse_ro_rw,
};

static int fuse_ctl_init_fs_context(struct fs_context *fc)
--
2.21.0
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