[v3,3/4] fs/sysv: Use dir_put_page() in sysv_rename()
Commit Message
Use the dir_put_page() helper in sysv_rename() instead of open-coding two
kunmap() + put_page().
Cc: Al Viro <viro@zeniv.linux.org.uk>
Suggested-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
---
fs/sysv/dir.c | 2 +-
fs/sysv/namei.c | 9 +++------
fs/sysv/sysv.h | 1 +
3 files changed, 5 insertions(+), 7 deletions(-)
@@ -28,7 +28,7 @@ const struct file_operations sysv_dir_operations = {
.fsync = generic_file_fsync,
};
-static inline void dir_put_page(struct page *page)
+inline void dir_put_page(struct page *page)
{
kunmap(page);
put_page(page);
@@ -250,13 +250,10 @@ static int sysv_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
return 0;
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;
}
@@ -148,6 +148,7 @@ extern void sysv_destroy_icache(void);
/* dir.c */
+extern void dir_put_page(struct page *page);
extern struct sysv_dir_entry *sysv_find_entry(struct dentry *, struct page **);
extern int sysv_add_link(struct dentry *, struct inode *);
extern int sysv_delete_entry(struct sysv_dir_entry *, struct page *);