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From: Mike Snitzer <snitzer@kernel.org>
To: dm-devel@redhat.com
Cc: ebiggers@kernel.org, Heinz Mauelshagen <heinzm@redhat.com>,
	Mike Snitzer <snitzer@kernel.org>
Subject: [dm-devel] [PATCH 22/39] dm: avoid using symbolic permissions
Date: Mon, 13 Feb 2023 15:13:44 -0500	[thread overview]
Message-ID: <20230213201401.45973-23-snitzer@kernel.org> (raw)
In-Reply-To: <20230213201401.45973-1-snitzer@kernel.org>

From: Heinz Mauelshagen <heinzm@redhat.com>

Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
---
 drivers/md/dm-bufio.c         | 16 ++++++++--------
 drivers/md/dm-kcopyd.c        |  2 +-
 drivers/md/dm-mpath.c         |  3 +--
 drivers/md/dm-rq.c            |  8 ++++----
 drivers/md/dm-stats.c         |  2 +-
 drivers/md/dm-sysfs.c         |  4 ++--
 drivers/md/dm-thin.c          |  2 +-
 drivers/md/dm-verity-target.c |  2 +-
 drivers/md/dm.c               |  6 +++---
 9 files changed, 22 insertions(+), 23 deletions(-)

diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index af310bed6ba9..a5d7f8555aa0 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -2165,28 +2165,28 @@ static void __exit dm_bufio_exit(void)
 module_init(dm_bufio_init)
 module_exit(dm_bufio_exit)
 
-module_param_named(max_cache_size_bytes, dm_bufio_cache_size, ulong, S_IRUGO | S_IWUSR);
+module_param_named(max_cache_size_bytes, dm_bufio_cache_size, ulong, 0644);
 MODULE_PARM_DESC(max_cache_size_bytes, "Size of metadata cache");
 
-module_param_named(max_age_seconds, dm_bufio_max_age, uint, S_IRUGO | S_IWUSR);
+module_param_named(max_age_seconds, dm_bufio_max_age, uint, 0644);
 MODULE_PARM_DESC(max_age_seconds, "Max age of a buffer in seconds");
 
-module_param_named(retain_bytes, dm_bufio_retain_bytes, ulong, S_IRUGO | S_IWUSR);
+module_param_named(retain_bytes, dm_bufio_retain_bytes, ulong, 0644);
 MODULE_PARM_DESC(retain_bytes, "Try to keep at least this many bytes cached in memory");
 
-module_param_named(peak_allocated_bytes, dm_bufio_peak_allocated, ulong, S_IRUGO | S_IWUSR);
+module_param_named(peak_allocated_bytes, dm_bufio_peak_allocated, ulong, 0644);
 MODULE_PARM_DESC(peak_allocated_bytes, "Tracks the maximum allocated memory");
 
-module_param_named(allocated_kmem_cache_bytes, dm_bufio_allocated_kmem_cache, ulong, S_IRUGO);
+module_param_named(allocated_kmem_cache_bytes, dm_bufio_allocated_kmem_cache, ulong, 0444);
 MODULE_PARM_DESC(allocated_kmem_cache_bytes, "Memory allocated with kmem_cache_alloc");
 
-module_param_named(allocated_get_free_pages_bytes, dm_bufio_allocated_get_free_pages, ulong, S_IRUGO);
+module_param_named(allocated_get_free_pages_bytes, dm_bufio_allocated_get_free_pages, ulong, 0444);
 MODULE_PARM_DESC(allocated_get_free_pages_bytes, "Memory allocated with get_free_pages");
 
-module_param_named(allocated_vmalloc_bytes, dm_bufio_allocated_vmalloc, ulong, S_IRUGO);
+module_param_named(allocated_vmalloc_bytes, dm_bufio_allocated_vmalloc, ulong, 0444);
 MODULE_PARM_DESC(allocated_vmalloc_bytes, "Memory allocated with vmalloc");
 
-module_param_named(current_allocated_bytes, dm_bufio_current_allocated, ulong, S_IRUGO);
+module_param_named(current_allocated_bytes, dm_bufio_current_allocated, ulong, 0444);
 MODULE_PARM_DESC(current_allocated_bytes, "Memory currently used by the cache");
 
 MODULE_AUTHOR("Mikulas Patocka <dm-devel@redhat.com>");
diff --git a/drivers/md/dm-kcopyd.c b/drivers/md/dm-kcopyd.c
index 0027349aa6be..81bc33a3581d 100644
--- a/drivers/md/dm-kcopyd.c
+++ b/drivers/md/dm-kcopyd.c
@@ -37,7 +37,7 @@
 
 static unsigned int kcopyd_subjob_size_kb = DEFAULT_SUB_JOB_SIZE_KB;
 
-module_param(kcopyd_subjob_size_kb, uint, S_IRUGO | S_IWUSR);
+module_param(kcopyd_subjob_size_kb, uint, 0644);
 MODULE_PARM_DESC(kcopyd_subjob_size_kb, "Sub-job size for dm-kcopyd clients");
 
 static unsigned int dm_get_kcopyd_subjob_size(void)
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index c15cc7f54bd2..2524ac702145 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -2258,8 +2258,7 @@ static void __exit dm_multipath_exit(void)
 module_init(dm_multipath_init);
 module_exit(dm_multipath_exit);
 
-module_param_named(queue_if_no_path_timeout_secs,
-		   queue_if_no_path_timeout_secs, ulong, S_IRUGO | S_IWUSR);
+module_param_named(queue_if_no_path_timeout_secs, queue_if_no_path_timeout_secs, ulong, 0644);
 MODULE_PARM_DESC(queue_if_no_path_timeout_secs, "No available paths queue IO timeout in seconds");
 
 MODULE_DESCRIPTION(DM_NAME " multipath target");
diff --git a/drivers/md/dm-rq.c b/drivers/md/dm-rq.c
index d5f368965d3b..fec63b2a907d 100644
--- a/drivers/md/dm-rq.c
+++ b/drivers/md/dm-rq.c
@@ -584,16 +584,16 @@ void dm_mq_cleanup_mapped_device(struct mapped_device *md)
 	}
 }
 
-module_param(reserved_rq_based_ios, uint, S_IRUGO | S_IWUSR);
+module_param(reserved_rq_based_ios, uint, 0644);
 MODULE_PARM_DESC(reserved_rq_based_ios, "Reserved IOs in request-based mempools");
 
 /* Unused, but preserved for userspace compatibility */
 static bool use_blk_mq = true;
-module_param(use_blk_mq, bool, S_IRUGO | S_IWUSR);
+module_param(use_blk_mq, bool, 0644);
 MODULE_PARM_DESC(use_blk_mq, "Use block multiqueue for request-based DM devices");
 
-module_param(dm_mq_nr_hw_queues, uint, S_IRUGO | S_IWUSR);
+module_param(dm_mq_nr_hw_queues, uint, 0644);
 MODULE_PARM_DESC(dm_mq_nr_hw_queues, "Number of hardware queues for request-based dm-mq devices");
 
-module_param(dm_mq_queue_depth, uint, S_IRUGO | S_IWUSR);
+module_param(dm_mq_queue_depth, uint, 0644);
 MODULE_PARM_DESC(dm_mq_queue_depth, "Queue depth for request-based dm-mq devices");
diff --git a/drivers/md/dm-stats.c b/drivers/md/dm-stats.c
index 12d17b1a83a9..5e49e02ee174 100644
--- a/drivers/md/dm-stats.c
+++ b/drivers/md/dm-stats.c
@@ -1247,5 +1247,5 @@ void dm_statistics_exit(void)
 		DMCRIT("shared_memory_amount leaked: %lu", shared_memory_amount);
 }
 
-module_param_named(stats_current_allocated_bytes, shared_memory_amount, ulong, S_IRUGO);
+module_param_named(stats_current_allocated_bytes, shared_memory_amount, ulong, 0444);
 MODULE_PARM_DESC(stats_current_allocated_bytes, "Memory currently used by statistics");
diff --git a/drivers/md/dm-sysfs.c b/drivers/md/dm-sysfs.c
index c090cb184093..914c0e767a3c 100644
--- a/drivers/md/dm-sysfs.c
+++ b/drivers/md/dm-sysfs.c
@@ -18,7 +18,7 @@ struct dm_sysfs_attr {
 
 #define DM_ATTR_RO(_name) \
 struct dm_sysfs_attr dm_attr_##_name = \
-	__ATTR(_name, S_IRUGO, dm_attr_##_name##_show, NULL)
+	__ATTR(_name, 0444, dm_attr_##_name##_show, NULL)
 
 static ssize_t dm_attr_show(struct kobject *kobj, struct attribute *attr,
 			    char *page)
@@ -43,7 +43,7 @@ static ssize_t dm_attr_show(struct kobject *kobj, struct attribute *attr,
 
 #define DM_ATTR_RW(_name) \
 struct dm_sysfs_attr dm_attr_##_name = \
-	__ATTR(_name, S_IRUGO | S_IWUSR, dm_attr_##_name##_show, dm_attr_##_name##_store)
+	__ATTR(_name, 0644, dm_attr_##_name##_show, dm_attr_##_name##_store)
 
 static ssize_t dm_attr_store(struct kobject *kobj, struct attribute *attr,
 			     const char *page, size_t count)
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index e2ff22e79367..c8d3b20401f4 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -4532,7 +4532,7 @@ static void dm_thin_exit(void)
 module_init(dm_thin_init);
 module_exit(dm_thin_exit);
 
-module_param_named(no_space_timeout, no_space_timeout_secs, uint, S_IRUGO | S_IWUSR);
+module_param_named(no_space_timeout, no_space_timeout_secs, uint, 0644);
 MODULE_PARM_DESC(no_space_timeout, "Out of data space queue IO timeout in seconds");
 
 MODULE_DESCRIPTION(DM_NAME " thin provisioning target");
diff --git a/drivers/md/dm-verity-target.c b/drivers/md/dm-verity-target.c
index 1db64a24623d..0f9814099d1b 100644
--- a/drivers/md/dm-verity-target.c
+++ b/drivers/md/dm-verity-target.c
@@ -43,7 +43,7 @@
 
 static unsigned int dm_verity_prefetch_cluster = DM_VERITY_DEFAULT_PREFETCH_SIZE;
 
-module_param_named(prefetch_cluster, dm_verity_prefetch_cluster, uint, S_IRUGO | S_IWUSR);
+module_param_named(prefetch_cluster, dm_verity_prefetch_cluster, uint, 0644);
 
 static DEFINE_STATIC_KEY_FALSE(use_tasklet_enabled);
 
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 16f29a60a64f..a54700b6c9eb 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -3394,13 +3394,13 @@ module_exit(dm_exit);
 module_param(major, uint, 0);
 MODULE_PARM_DESC(major, "The major number of the device mapper");
 
-module_param(reserved_bio_based_ios, uint, S_IRUGO | S_IWUSR);
+module_param(reserved_bio_based_ios, uint, 0644);
 MODULE_PARM_DESC(reserved_bio_based_ios, "Reserved IOs in bio-based mempools");
 
-module_param(dm_numa_node, int, S_IRUGO | S_IWUSR);
+module_param(dm_numa_node, int, 0644);
 MODULE_PARM_DESC(dm_numa_node, "NUMA node for DM device memory allocations");
 
-module_param(swap_bios, int, S_IRUGO | S_IWUSR);
+module_param(swap_bios, int, 0644);
 MODULE_PARM_DESC(swap_bios, "Maximum allowed inflight swap IOs");
 
 MODULE_DESCRIPTION(DM_NAME " driver");
-- 
2.37.0 (Apple Git-136)

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  parent reply	other threads:[~2023-02-13 20:15 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-13 20:13 [dm-devel] [PATCH 00/39] dm: fix checkpatch errors and warnings Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 01/39] dm: add missing SPDX-License-Indentifiers Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 02/39] dm: prefer kmap_local_page() instead of deprecated kmap_atomic() Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 03/39] dm: use fsleep() instead of msleep() for deterministic sleep duration Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 04/39] dm: change "unsigned" to "unsigned int" Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 05/39] dm: avoid assignment in if conditions Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 06/39] dm: enclose complex macros into parentheses where possible Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 07/39] dm: avoid initializing static variables Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 08/39] dm: address space issues relative to switch/while/for/ Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 09/39] dm: address indent/space issues Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 10/39] dm: correct block comments format Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 11/39] dm: fix undue/missing spaces Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 12/39] dm: fix trailing statements Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 13/39] dm crypt: correct 'foo*' to 'foo *' Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 14/39] dm block-manager: avoid not required parentheses Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 15/39] dm: avoid spaces before function arguments or in favour of tabs Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 16/39] dm: add argument identifier names Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 17/39] dm: add missing empty lines Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 18/39] dm: remove unnecessary braces from single statement blocks Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 19/39] dm: avoid split of quoted strings where possible Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 20/39] dm: adjust EXPORT_SYMBOL() to follow functions immediately Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 21/39] dm: prefer '"%s...", __func__' Mike Snitzer
2023-02-13 20:13 ` Mike Snitzer [this message]
2023-02-13 20:13 ` [dm-devel] [PATCH 23/39] dm: favour __aligned(N) versus "__attribute__ (aligned(N))" Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 24/39] dm: favour __packed versus "__attribute__ ((packed))" Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 25/39] dm: avoid useless 'else' after 'break' or return' Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 26/39] dm: add missing blank line after declarations/fix those Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 27/39] dm: avoid inline filenames Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 28/39] dm: don't indent labels Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 29/39] dm ioctl: have constant on the right side of the test Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 30/39] dm log: avoid trailing semicolon in macro Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 31/39] dm log: avoid multiple line dereference Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 32/39] dm: avoid 'do {} while(0)' loop in single statement macros Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 33/39] dm: fix use of sizeof() macro Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 34/39] dm integrity: change macros min/max() -> min_t/max_t where appropriate Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 35/39] dm: avoid void function return statements Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 36/39] dm ioctl: prefer strscpy() instead of strlcpy() Mike Snitzer
2023-02-13 20:13 ` [dm-devel] [PATCH 37/39] dm: fix suspect indent whitespace Mike Snitzer
2023-02-13 20:14 ` [dm-devel] [PATCH 38/39] dm: declare variables static when sensible Mike Snitzer
2023-02-13 20:14 ` [dm-devel] [PATCH 39/39] dm clone: prefer kvmalloc_array() Mike Snitzer

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