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

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Message-ID: <20220926012635.3205-1-liubo03@inspur.com>
Date:   Sun, 25 Sep 2022 21:26:35 -0400
From:   Bo Liu <liubo03@...pur.com>
To:     <dan.j.williams@...el.com>, <vishal.l.verma@...el.com>,
        <dave.jiang@...el.com>
CC:     <nvdimm@...ts.linux.dev>, <linux-kernel@...r.kernel.org>,
        Bo Liu <liubo03@...pur.com>
Subject: [PATCH] dax: Remove usage of the deprecated ida_simple_xxx API

Use ida_alloc_xxx()/ida_free() instead of
ida_simple_get()/ida_simple_remove().
The latter is deprecated and more verbose.

Signed-off-by: Bo Liu <liubo03@...pur.com>
---
 drivers/dax/super.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/dax/super.c b/drivers/dax/super.c
index 9b5e2a5eb0ae..da4438f3188c 100644
--- a/drivers/dax/super.c
+++ b/drivers/dax/super.c
@@ -363,7 +363,7 @@ static void dax_free_inode(struct inode *inode)
 {
 	struct dax_device *dax_dev = to_dax_dev(inode);
 	if (inode->i_rdev)
-		ida_simple_remove(&dax_minor_ida, iminor(inode));
+		ida_free(&dax_minor_ida, iminor(inode));
 	kmem_cache_free(dax_cache, dax_dev);
 }
 
@@ -445,7 +445,7 @@ struct dax_device *alloc_dax(void *private, const struct dax_operations *ops)
 	if (WARN_ON_ONCE(ops && !ops->zero_page_range))
 		return ERR_PTR(-EINVAL);
 
-	minor = ida_simple_get(&dax_minor_ida, 0, MINORMASK+1, GFP_KERNEL);
+	minor = ida_alloc_max(&dax_minor_ida, MINORMASK, GFP_KERNEL);
 	if (minor < 0)
 		return ERR_PTR(-ENOMEM);
 
@@ -459,7 +459,7 @@ struct dax_device *alloc_dax(void *private, const struct dax_operations *ops)
 	return dax_dev;
 
  err_dev:
-	ida_simple_remove(&dax_minor_ida, minor);
+	ida_free(&dax_minor_ida, minor);
 	return ERR_PTR(-ENOMEM);
 }
 EXPORT_SYMBOL_GPL(alloc_dax);
-- 
2.27.0