diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2025-08-20 10:23:12 +0300 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2025-09-16 04:26:05 +0300 |
| commit | 25423edc787842d17520b3f9df4d0a58a6a663b1 (patch) | |
| tree | edcb63f6345d6a5373d02bc889be1dc3c350bec1 /rust/helpers/helpers.c | |
| parent | ed8ba4aad78887d88231c1c66c0ddf9fe12aaad1 (diff) | |
| download | linux-25423edc787842d17520b3f9df4d0a58a6a663b1.tar.xz | |
new helper: topmost_overmount()
Returns the final (topmost) mount in the chain of overmounts
starting at given mount. Same locking rules as for any mount
tree traversal - either the spinlock side of mount_lock, or
rcu + sample the seqcount side of mount_lock before the call
and recheck afterwards.
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'rust/helpers/helpers.c')
0 files changed, 0 insertions, 0 deletions