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From: Max Kellermann <max.kellermann@ionos.com>
To: akpm@linux-foundation.org, david@redhat.com,
	axelrasmussen@google.com, yuanchu@google.com,
	willy@infradead.org, hughd@google.com, mhocko@suse.com,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com,
	vbabka@suse.cz, rppt@kernel.org, surenb@google.com
Cc: Max Kellermann <max.kellermann@ionos.com>
Subject: [PATCH 04/12] include/fs.h: add `const` to several pointer parameters
Date: Fri, 29 Aug 2025 20:31:51 +0200	[thread overview]
Message-ID: <20250829183159.2223948-5-max.kellermann@ionos.com> (raw)
In-Reply-To: <20250829183159.2223948-1-max.kellermann@ionos.com>

For improved const-correctness.

Signed-off-by: Max Kellermann <max.kellermann@ionos.com>
---
 include/linux/fs.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 3b9f54446db0..0b43edb33be2 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -537,7 +537,7 @@ struct address_space {
 /*
  * Returns true if any of the pages in the mapping are marked with the tag.
  */
-static inline bool mapping_tagged(struct address_space *mapping, xa_mark_t tag)
+static inline bool mapping_tagged(const struct address_space *mapping, xa_mark_t tag)
 {
 	return xa_marked(&mapping->i_pages, tag);
 }
@@ -585,7 +585,7 @@ static inline void i_mmap_assert_write_locked(struct address_space *mapping)
 /*
  * Might pages of this file be mapped into userspace?
  */
-static inline int mapping_mapped(struct address_space *mapping)
+static inline int mapping_mapped(const struct address_space *mapping)
 {
 	return	!RB_EMPTY_ROOT(&mapping->i_mmap.rb_root);
 }
@@ -599,7 +599,7 @@ static inline int mapping_mapped(struct address_space *mapping)
  * If i_mmap_writable is negative, no new writable mappings are allowed. You
  * can only deny writable mappings, if none exists right now.
  */
-static inline int mapping_writably_mapped(struct address_space *mapping)
+static inline int mapping_writably_mapped(const struct address_space *mapping)
 {
 	return atomic_read(&mapping->i_mmap_writable) > 0;
 }
-- 
2.47.2


  parent reply	other threads:[~2025-08-29 18:32 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-29 18:31 [PATCH 00/12] mm: add `const` to lots of pointer parameters Max Kellermann
2025-08-29 18:31 ` [PATCH 01/12] mm/shmem: " Max Kellermann
2025-08-29 20:44   ` Yuanchu Xie
2025-08-29 22:52     ` Vishal Moola (Oracle)
2025-08-29 22:45   ` Vishal Moola (Oracle)
2025-08-29 18:31 ` [PATCH 02/12] include/pagemap.h: " Max Kellermann
2025-08-29 22:55   ` Vishal Moola (Oracle)
2025-08-29 18:31 ` [PATCH 03/12] include/mmzone.h: " Max Kellermann
2025-08-29 22:56   ` Vishal Moola (Oracle)
2025-08-29 18:31 ` Max Kellermann [this message]
2025-08-29 23:11   ` [PATCH 04/12] include/fs.h: add `const` to several " Vishal Moola (Oracle)
2025-08-29 18:31 ` [PATCH 05/12] mm/oom_kill: add `const` to pointer parameter Max Kellermann
2025-08-29 23:03   ` Vishal Moola (Oracle)
2025-08-30  6:26     ` Max Kellermann
2025-08-31  1:49       ` Andrew Morton
2025-08-29 18:31 ` [PATCH 06/12] mm/util: add `const` to several pointer parameters Max Kellermann
2025-08-29 23:10   ` Vishal Moola (Oracle)
2025-08-29 18:31 ` [PATCH 07/12] parisc/sys_parisc.c: add `const` to mmap_upper_limit() parameter Max Kellermann
2025-08-29 23:13   ` Vishal Moola (Oracle)
2025-08-29 18:31 ` [PATCH 08/12] arch, mm/util: add const to arch_pick_mmap_layout() parameter Max Kellermann
2025-08-29 23:36   ` Vishal Moola (Oracle)
2025-08-31  9:07     ` Max Kellermann
2025-08-30 16:03   ` kernel test robot
2025-08-30 17:26   ` kernel test robot
2025-08-29 18:31 ` [PATCH 09/12] include/mm_types.h: add `const` to several pointer parameters Max Kellermann
2025-08-29 23:37   ` Vishal Moola (Oracle)
2025-08-29 18:31 ` [PATCH 10/12] include/mm_inline.h: add `const` to lots of " Max Kellermann
2025-08-29 23:37   ` Vishal Moola (Oracle)
2025-08-29 18:31 ` [PATCH 11/12] include/mm.h: " Max Kellermann
2025-08-29 18:31 ` [PATCH 12/12] mm/highmem: " Max Kellermann

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