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| author |   Matthew Wilcox (Oracle) <willy@infradead.org> | 2025-02-18 05:51:49 +0000 |
|---|---|---|
| committer |   Jaegeuk Kim <jaegeuk@kernel.org> | 2025-03-04 17:02:25 +0000 |
| commit | 521a468486906b5e16fd70ad030e4826d4009079 (patch) | |
| tree | 16368175cd9783cd368c1955d980a48a501edc04 | |
| parent | f2fs: Convert f2fs_write_end_io() to use a folio_iter (diff) | |
| download | wireguard-linux-521a468486906b5e16fd70ad030e4826d4009079.tar.xz wireguard-linux-521a468486906b5e16fd70ad030e4826d4009079.zip | |
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 '')
| -rw-r--r-- | fs/f2fs/f2fs.h | 2 | ||||
| -rw-r--r-- | fs/f2fs/node.h | 6 |
2 files changed, 4 insertions, 4 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 954baa08957e..e0af6b44197a 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -2026,7 +2026,7 @@ static inline struct f2fs_checkpoint *F2FS_CKPT(struct f2fs_sb_info *sbi) return (struct f2fs_checkpoint *)(sbi->ckpt); } -static inline struct f2fs_node *F2FS_NODE(struct page *page) +static inline struct f2fs_node *F2FS_NODE(const struct page *page) { return (struct f2fs_node *)page_address(page); } 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); |