linux-kernel - [PATCH] eventfd: Remove usage of the deprecated ida_simple

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Message-Id: <575dcecd51097dd30c5515f9f0ed92076b4ef403.1702229520.git.christophe.jaillet@wanadoo.fr>
Date:   Sun, 10 Dec 2023 18:32:18 +0100
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     Alexander Viro <viro@...iv.linux.org.uk>,
        Christian Brauner <brauner@...nel.org>, Jan Kara <jack@...e.cz>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        linux-fsdevel@...r.kernel.org
Subject: [PATCH] eventfd: Remove usage of the deprecated ida_simple_xx() API

ida_alloc() and ida_free() should be preferred to the deprecated
ida_simple_get() and ida_simple_remove().

This is less verbose.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 fs/eventfd.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/eventfd.c b/fs/eventfd.c
index 16bea05a7c78..ad8186d47ba7 100644
--- a/fs/eventfd.c
+++ b/fs/eventfd.c
@@ -82,7 +82,7 @@ EXPORT_SYMBOL_GPL(eventfd_signal_mask);
 static void eventfd_free_ctx(struct eventfd_ctx *ctx)
 {
 	if (ctx->id >= 0)
-		ida_simple_remove(&eventfd_ida, ctx->id);
+		ida_free(&eventfd_ida, ctx->id);
 	kfree(ctx);
 }
 
@@ -395,7 +395,7 @@ static int do_eventfd(unsigned int count, int flags)
 	init_waitqueue_head(&ctx->wqh);
 	ctx->count = count;
 	ctx->flags = flags;
-	ctx->id = ida_simple_get(&eventfd_ida, 0, 0, GFP_KERNEL);
+	ctx->id = ida_alloc(&eventfd_ida, GFP_KERNEL);
 
 	flags &= EFD_SHARED_FCNTL_FLAGS;
 	flags |= O_RDWR;
-- 
2.34.1