linux-kernel - [PATCH] NFSv4: Directly use ida

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Message-ID: <20220615062745.2752-1-liubo03@inspur.com>
Date:   Wed, 15 Jun 2022 02:27:45 -0400
From:   Bo Liu <liubo03@...pur.com>
To:     <trond.myklebust@...merspace.com>, <anna@...nel.org>
CC:     <linux-nfs@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Bo Liu <liubo03@...pur.com>
Subject: [PATCH] NFSv4: Directly use ida_alloc()/free()

Use ida_alloc()/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>
---
 fs/nfs/nfs4state.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 2540b35ec187..8f018d4d35d7 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -497,8 +497,7 @@ nfs4_alloc_state_owner(struct nfs_server *server,
 	sp = kzalloc(sizeof(*sp), gfp_flags);
 	if (!sp)
 		return NULL;
-	sp->so_seqid.owner_id = ida_simple_get(&server->openowner_id, 0, 0,
-						gfp_flags);
+	sp->so_seqid.owner_id = ida_alloc(&server->openowner_id, gfp_flags);
 	if (sp->so_seqid.owner_id < 0) {
 		kfree(sp);
 		return NULL;
@@ -534,7 +533,7 @@ static void nfs4_free_state_owner(struct nfs4_state_owner *sp)
 {
 	nfs4_destroy_seqid_counter(&sp->so_seqid);
 	put_cred(sp->so_cred);
-	ida_simple_remove(&sp->so_server->openowner_id, sp->so_seqid.owner_id);
+	ida_free(&sp->so_server->openowner_id, sp->so_seqid.owner_id);
 	kfree(sp);
 }
 
@@ -877,8 +876,7 @@ static struct nfs4_lock_state *nfs4_alloc_lock_state(struct nfs4_state *state, f
 	refcount_set(&lsp->ls_count, 1);
 	lsp->ls_state = state;
 	lsp->ls_owner = fl_owner;
-	lsp->ls_seqid.owner_id = ida_simple_get(&server->lockowner_id,
-						0, 0, GFP_KERNEL_ACCOUNT);
+	lsp->ls_seqid.owner_id = ida_alloc(&server->lockowner_id, GFP_KERNEL_ACCOUNT);
 	if (lsp->ls_seqid.owner_id < 0)
 		goto out_free;
 	INIT_LIST_HEAD(&lsp->ls_locks);
@@ -890,7 +888,7 @@ static struct nfs4_lock_state *nfs4_alloc_lock_state(struct nfs4_state *state, f
 
 void nfs4_free_lock_state(struct nfs_server *server, struct nfs4_lock_state *lsp)
 {
-	ida_simple_remove(&server->lockowner_id, lsp->ls_seqid.owner_id);
+	ida_free(&server->lockowner_id, lsp->ls_seqid.owner_id);
 	nfs4_destroy_seqid_counter(&lsp->ls_seqid);
 	kfree(lsp);
 }
-- 
2.27.0