linux-kernel - [PATCH 091/437] lsm: convert to read/write iterators

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Message-ID: <20240411153126.16201-92-axboe@kernel.dk>
Date: Thu, 11 Apr 2024 09:13:51 -0600
From: Jens Axboe <axboe@...nel.dk>
To: linux-kernel@...r.kernel.org
Cc: Jens Axboe <axboe@...nel.dk>
Subject: [PATCH 091/437] lsm: convert to read/write iterators

Signed-off-by: Jens Axboe <axboe@...nel.dk>
---
 security/safesetid/securityfs.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/security/safesetid/securityfs.c b/security/safesetid/securityfs.c
index 25310468bcdd..82e1e9c37db2 100644
--- a/security/safesetid/securityfs.c
+++ b/security/safesetid/securityfs.c
@@ -245,6 +245,7 @@ static ssize_t safesetid_uid_file_write(struct file *file,
 
 	return handle_policy_update(file, buf, len, UID);
 }
+FOPS_WRITE_ITER_HELPER(safesetid_uid_file_write);
 
 static ssize_t safesetid_gid_file_write(struct file *file,
 				    const char __user *buf,
@@ -259,6 +260,7 @@ static ssize_t safesetid_gid_file_write(struct file *file,
 
 	return handle_policy_update(file, buf, len, GID);
 }
+FOPS_WRITE_ITER_HELPER(safesetid_gid_file_write);
 
 static ssize_t safesetid_file_read(struct file *file, char __user *buf,
 				   size_t len, loff_t *ppos, struct mutex *policy_update_lock, struct __rcu setid_ruleset* ruleset)
@@ -285,6 +287,7 @@ static ssize_t safesetid_uid_file_read(struct file *file, char __user *buf,
 	return safesetid_file_read(file, buf, len, ppos,
 				   &uid_policy_update_lock, safesetid_setuid_rules);
 }
+FOPS_READ_ITER_HELPER(safesetid_uid_file_read);
 
 static ssize_t safesetid_gid_file_read(struct file *file, char __user *buf,
 				   size_t len, loff_t *ppos)
@@ -292,17 +295,16 @@ static ssize_t safesetid_gid_file_read(struct file *file, char __user *buf,
 	return safesetid_file_read(file, buf, len, ppos,
 				   &gid_policy_update_lock, safesetid_setgid_rules);
 }
-
-
+FOPS_READ_ITER_HELPER(safesetid_gid_file_read);
 
 static const struct file_operations safesetid_uid_file_fops = {
-	.read = safesetid_uid_file_read,
-	.write = safesetid_uid_file_write,
+	.read_iter = safesetid_uid_file_read_iter,
+	.write_iter = safesetid_uid_file_write_iter,
 };
 
 static const struct file_operations safesetid_gid_file_fops = {
-	.read = safesetid_gid_file_read,
-	.write = safesetid_gid_file_write,
+	.read_iter = safesetid_gid_file_read_iter,
+	.write_iter = safesetid_gid_file_write_iter,
 };
 
 static int __init safesetid_init_securityfs(void)
-- 
2.43.0