On Wed, 2019-07-24 at 20:16 +0300, Pavel Begunkov (Silence) wrote:
> From: Pavel Begunkov <asml.silence@xxxxxxxxx>
>
> Since commit 778fc546f749c588aa2f ("locks: fix tracking of inprogress
> lease breaks"), leases break don't change @fl_type but modifies
> @fl_flags. However, procfs's part haven't been updated.
>
> Previously, for a breaking lease the target type was printed (see
> target_leasetype()), as returns fcntl(F_GETLEASE). But now it's always
> "READ", as F_UNLCK no longer means "breaking". Unlike the previous
> one, this behaviour don't provide a complete description of the lease.
>
> There are /proc/pid/fdinfo/ outputs for a lease (the same for READ and
> WRITE) breaked by O_WRONLY.
> -- before:
> lock: 1: LEASE BREAKING READ 2558 08:03:815793 0 EOF
> -- after:
> lock: 1: LEASE BREAKING UNLCK 2558 08:03:815793 0 EOF
>
> Signed-off-by: Pavel Begunkov <asml.silence@xxxxxxxxx>
> ---
> fs/locks.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/fs/locks.c b/fs/locks.c
> index 686eae21daf6..24d1db632f6c 100644
> --- a/fs/locks.c
> +++ b/fs/locks.c
> @@ -2784,10 +2784,10 @@ static void lock_get_status(struct seq_file *f, struct file_lock *fl,
> ? (fl->fl_type & LOCK_WRITE) ? "RW " : "READ "
> : (fl->fl_type & LOCK_WRITE) ? "WRITE" : "NONE ");
> } else {
> - seq_printf(f, "%s ",
> - (lease_breaking(fl))
> - ? (fl->fl_type == F_UNLCK) ? "UNLCK" : "READ "
> - : (fl->fl_type == F_WRLCK) ? "WRITE" : "READ ");
> + int type = IS_LEASE(fl) ? target_leasetype(fl) : fl->fl_type;
> +
> + seq_printf(f, "%s ", (type == F_WRLCK) ? "WRITE" :
> + (type == F_RDLCK) ? "READ" : "UNLCK");
> }
> if (inode) {
> /* userspace relies on this representation of dev_t */
Thanks! Merged for v5.4.
--
Jeff Layton <jlayton@xxxxxxxxxx>
