[PATCH 3/4] minixfs: Use dir_put_page() in minix_unlink() and minix_rename()

From: Al Viro
Date: Tue Dec 12 2023 - 19:09:19 EST


... rather than open-coding it there. Counterpart of the
corresponding fs/sysv commit from Fabio's series...

Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
---
fs/minix/dir.c | 6 ------
fs/minix/minix.h | 5 +++++
fs/minix/namei.c | 12 ++++--------
3 files changed, 9 insertions(+), 14 deletions(-)

diff --git a/fs/minix/dir.c b/fs/minix/dir.c
index 4e5483adea40..ccb6c47fd7fe 100644
--- a/fs/minix/dir.c
+++ b/fs/minix/dir.c
@@ -26,12 +26,6 @@ const struct file_operations minix_dir_operations = {
.fsync = generic_file_fsync,
};

-static inline void dir_put_page(struct page *page)
-{
- kunmap(page);
- put_page(page);
-}
-
/*
* Return the offset into page `page_nr' of the last valid
* byte in that page, plus one.
diff --git a/fs/minix/minix.h b/fs/minix/minix.h
index d493507c064f..cb42b6cf7909 100644
--- a/fs/minix/minix.h
+++ b/fs/minix/minix.h
@@ -64,6 +64,11 @@ extern int V2_minix_get_block(struct inode *, long, struct buffer_head *, int);
extern unsigned V1_minix_blocks(loff_t, struct super_block *);
extern unsigned V2_minix_blocks(loff_t, struct super_block *);

+static inline void dir_put_page(struct page *page)
+{
+ kunmap(page);
+ put_page(page);
+}
extern struct minix_dir_entry *minix_find_entry(struct dentry*, struct page**);
extern int minix_add_link(struct dentry*, struct inode*);
extern int minix_delete_entry(struct minix_dir_entry*, struct page*);
diff --git a/fs/minix/namei.c b/fs/minix/namei.c
index 114084d5636a..20923a15e30a 100644
--- a/fs/minix/namei.c
+++ b/fs/minix/namei.c
@@ -149,8 +149,7 @@ static int minix_unlink(struct inode * dir, struct dentry *dentry)
if (!de)
return -ENOENT;
err = minix_delete_entry(de, page);
- kunmap(page);
- put_page(page);
+ dir_put_page(page);

if (err)
return err;
@@ -242,13 +241,10 @@ static int minix_rename(struct mnt_idmap *idmap,
inode_dec_link_count(old_dir);
}
out_dir:
- if (dir_de) {
- kunmap(dir_page);
- put_page(dir_page);
- }
+ if (dir_de)
+ dir_put_page(dir_page);
out_old:
- kunmap(old_page);
- put_page(old_page);
+ dir_put_page(old_page);
out:
return err;
}
--
2.39.2