9p: Use a slab for allocating requests
Replace the custom batch allocation with a slab. Use an IDR to store
pointers to the active requests instead of an array. We don't try to
handle P9_NOTAG specially; the IDR will happily shrink all the way back
once the TVERSION call has completed.
Link: http://lkml.kernel.org/r/20180711210225.19730-6-willy@infradead.org
Signed-off-by: Matthew Wilcox <willy@infradead.org>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Ron Minnich <rminnich@sandia.gov>
Cc: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr>
diff --git a/net/9p/mod.c b/net/9p/mod.c
index 253ba82..0da56d6 100644
--- a/net/9p/mod.c
+++ b/net/9p/mod.c
@@ -171,11 +171,17 @@ void v9fs_put_trans(struct p9_trans_module *m)
*/
static int __init init_p9(void)
{
+ int ret;
+
+ ret = p9_client_init();
+ if (ret)
+ return ret;
+
p9_error_init();
pr_info("Installing 9P2000 support\n");
p9_trans_fd_init();
- return 0;
+ return ret;
}
/**
@@ -188,6 +194,7 @@ static void __exit exit_p9(void)
pr_info("Unloading 9P2000 support\n");
p9_trans_fd_exit();
+ p9_client_exit();
}
module_init(init_p9)