update defconfigs

[uclinux-h8/linux.git] / fs / locks.c

diff --git a/fs/locks.c b/fs/locks.c
index 52b780f..653faab 100644 (file)
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -2590,6 +2590,44 @@ static int locks_show(struct seq_file *f, void *v)
        return 0;
 }
 
+static void __show_fd_locks(struct seq_file *f,
+                       struct list_head *head, int *id,
+                       struct file *filp, struct files_struct *files)
+{
+       struct file_lock *fl;
+
+       list_for_each_entry(fl, head, fl_list) {
+
+               if (filp != fl->fl_file)
+                       continue;
+               if (fl->fl_owner != files &&
+                   fl->fl_owner != filp)
+                       continue;
+
+               (*id)++;
+               seq_puts(f, "lock:\t");
+               lock_get_status(f, fl, *id, "");
+       }
+}
+
+void show_fd_locks(struct seq_file *f,
+                 struct file *filp, struct files_struct *files)
+{
+       struct inode *inode = file_inode(filp);
+       struct file_lock_context *ctx;
+       int id = 0;
+
+       ctx = inode->i_flctx;
+       if (!ctx)
+               return;
+
+       spin_lock(&ctx->flc_lock);
+       __show_fd_locks(f, &ctx->flc_flock, &id, filp, files);
+       __show_fd_locks(f, &ctx->flc_posix, &id, filp, files);
+       __show_fd_locks(f, &ctx->flc_lease, &id, filp, files);
+       spin_unlock(&ctx->flc_lock);
+}
+
 static void *locks_start(struct seq_file *f, loff_t *pos)
        __acquires(&blocked_lock_lock)
 {