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| author | Al Viro <viro@zeniv.linux.org.uk> | 2023-03-06 11:35:29 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2023-12-18 21:07:11 -0500 |
| commit | 4812509e916bd79a17708de8371a94265f47a7bf (patch) | |
| tree | 500b9d6874f1324b19317ff8b6e6f2325a625698 /fs/minix | |
| parent | b85ea95d086471afb4ad062012a4d73cd328fa86 (diff) | |
| download | linux-4812509e916bd79a17708de8371a94265f47a7bf.tar.gz linux-4812509e916bd79a17708de8371a94265f47a7bf.tar.bz2 linux-4812509e916bd79a17708de8371a94265f47a7bf.zip | |
minixfs: use offset_in_page()
It's cheaper and more idiomatic than subtracting page_address()
of the corresponding page...
Reviewed-by: Fabio M. De Francesco <fabio.maria.de.francesco@linux.intel.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/minix')
| -rw-r--r-- | fs/minix/dir.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/fs/minix/dir.c b/fs/minix/dir.c index 62c313fc9a49..34a5d17f0796 100644 --- a/fs/minix/dir.c +++ b/fs/minix/dir.c @@ -268,7 +268,7 @@ int minix_add_link(struct dentry *dentry, struct inode *inode) return -EINVAL; got_it: - pos = page_offset(page) + p - (char *)page_address(page); + pos = page_offset(page) + offset_in_page(p); err = minix_prepare_chunk(page, pos, sbi->s_dirsize); if (err) goto out_unlock; @@ -296,8 +296,7 @@ out_unlock: int minix_delete_entry(struct minix_dir_entry *de, struct page *page) { struct inode *inode = page->mapping->host; - char *kaddr = page_address(page); - loff_t pos = page_offset(page) + (char*)de - kaddr; + loff_t pos = page_offset(page) + offset_in_page(de); struct minix_sb_info *sbi = minix_sb(inode->i_sb); unsigned len = sbi->s_dirsize; int err; @@ -421,8 +420,7 @@ int minix_set_link(struct minix_dir_entry *de, struct page *page, { struct inode *dir = page->mapping->host; struct minix_sb_info *sbi = minix_sb(dir->i_sb); - loff_t pos = page_offset(page) + - (char *)de-(char*)page_address(page); + loff_t pos = page_offset(page) + offset_in_page(de); int err; lock_page(page); |