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authorMatthew Wilcox (Oracle) <willy@infradead.org>2025-02-18 05:51:49 +0000
committerJaegeuk Kim <jaegeuk@kernel.org>2025-03-04 17:02:25 +0000
commit521a468486906b5e16fd70ad030e4826d4009079 (patch)
tree16368175cd9783cd368c1955d980a48a501edc04 /fs/f2fs/node.h
parentfb9660481e3ccb26143c0596420487513383e940 (diff)
f2fs: Mark some functions as taking a const page pointer
The compiler can make some optimisations if we tell it that a function call doesn't change this memory. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/node.h')
-rw-r--r--fs/f2fs/node.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h
index 6aea13024ac1..281d53c95c9a 100644
--- a/fs/f2fs/node.h
+++ b/fs/f2fs/node.h
@@ -248,7 +248,7 @@ static inline nid_t nid_of_node(struct page *node_page)
return le32_to_cpu(rn->footer.nid);
}
-static inline unsigned int ofs_of_node(struct page *node_page)
+static inline unsigned int ofs_of_node(const struct page *node_page)
{
struct f2fs_node *rn = F2FS_NODE(node_page);
unsigned flag = le32_to_cpu(rn->footer.flag);
@@ -342,7 +342,7 @@ static inline bool is_recoverable_dnode(struct page *page)
* `- indirect node ((6 + 2N) + (N - 1)(N + 1))
* `- direct node
*/
-static inline bool IS_DNODE(struct page *node_page)
+static inline bool IS_DNODE(const struct page *node_page)
{
unsigned int ofs = ofs_of_node(node_page);
@@ -389,7 +389,7 @@ static inline nid_t get_nid(struct page *p, int off, bool i)
* - Mark cold data pages in page cache
*/
-static inline int is_node(struct page *page, int type)
+static inline int is_node(const struct page *page, int type)
{
struct f2fs_node *rn = F2FS_NODE(page);
return le32_to_cpu(rn->footer.flag) & BIT(type);