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[2003:dc:6f1d:f00:230:64ff:fe74:809]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-afefcbd9090sm937339066b.69.2025.09.01.13.50.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 Sep 2025 13:50:34 -0700 (PDT) From: Max Kellermann 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, vishal.moola@gmail.com, linux@armlinux.org.uk, James.Bottomley@HansenPartnership.com, deller@gmx.de, agordeev@linux.ibm.com, gerald.schaefer@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com, borntraeger@linux.ibm.com, svens@linux.ibm.com, davem@davemloft.net, andreas@gaisler.com, dave.hansen@linux.intel.com, luto@kernel.org, peterz@infradead.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, x86@kernel.org, hpa@zytor.com, chris@zankel.net, jcmvbkbc@gmail.com, viro@zeniv.linux.org.uk, brauner@kernel.org, jack@suse.cz, weixugc@google.com, baolin.wang@linux.alibaba.com, rientjes@google.com, shakeel.butt@linux.dev, max.kellermann@ionos.com, thuth@redhat.com, broonie@kernel.org, osalvador@suse.de, jfalempe@redhat.com, mpe@ellerman.id.au, nysal@linux.ibm.com, linux-arm-kernel@lists.infradead.org, linux-parisc@vger.kernel.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: [PATCH v6 04/12] fs: constify mapping related test functions for improved const-correctness Date: Mon, 1 Sep 2025 22:50:13 +0200 Message-ID: <20250901205021.3573313-5-max.kellermann@ionos.com> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250901205021.3573313-1-max.kellermann@ionos.com> References: <20250901205021.3573313-1-max.kellermann@ionos.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: CFB5D40004 X-Stat-Signature: jnauwpurqhrdreet8yj7kpjroiz4trz5 X-Rspam-User: X-HE-Tag: 1756759836-426837 X-HE-Meta: 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 kxUd25Hy 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: We select certain test functions which either invoke each other, functions that are already const-ified, or no further functions. It is therefore relatively trivial to const-ify them, which provides a basis for further const-ification further up the call stack. Signed-off-by: Max Kellermann Reviewed-by: Vishal Moola (Oracle) Reviewed-by: Lorenzo Stoakes Acked-by: David Hildenbrand --- 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