diff options
Diffstat (limited to 'fs/sysv')
| -rw-r--r-- | fs/sysv/dir.c | 25 | ||||
| -rw-r--r-- | fs/sysv/namei.c | 24 | ||||
| -rw-r--r-- | fs/sysv/sysv.h | 16 |
3 files changed, 30 insertions, 35 deletions
diff --git a/fs/sysv/dir.c b/fs/sysv/dir.c index 1f95f82f8941..5b2e3c7c2971 100644 --- a/fs/sysv/dir.c +++ b/fs/sysv/dir.c @@ -127,39 +127,35 @@ static inline int namecompare(int len, int maxlen, /* * sysv_find_entry() * - * finds an entry in the specified directory with the wanted name. It - * returns the cache buffer in which the entry was found, and the entry - * itself (as a parameter - res_dir). It does NOT read the inode of the + * finds an entry in the specified directory with the wanted name. + * It does NOT read the inode of the * entry - you'll have to do that yourself if you want to. * - * On Success unmap_and_put_page() should be called on *res_page. + * On Success folio_release_kmap() should be called on *foliop. * * sysv_find_entry() acts as a call to dir_get_folio() and must be treated * accordingly for nesting purposes. */ -struct sysv_dir_entry *sysv_find_entry(struct dentry *dentry, struct page **res_page) +struct sysv_dir_entry *sysv_find_entry(struct dentry *dentry, struct folio **foliop) { const char * name = dentry->d_name.name; int namelen = dentry->d_name.len; struct inode * dir = d_inode(dentry->d_parent); unsigned long start, n; unsigned long npages = dir_pages(dir); - struct folio *folio = NULL; struct sysv_dir_entry *de; - *res_page = NULL; - start = SYSV_I(dir)->i_dir_start_lookup; if (start >= npages) start = 0; n = start; do { - char *kaddr = dir_get_folio(dir, n, &folio); + char *kaddr = dir_get_folio(dir, n, foliop); if (!IS_ERR(kaddr)) { de = (struct sysv_dir_entry *)kaddr; - kaddr += PAGE_SIZE - SYSV_DIRSIZE; + kaddr += folio_size(*foliop) - SYSV_DIRSIZE; for ( ; (char *) de <= kaddr ; de++) { if (!de->inode) continue; @@ -167,7 +163,7 @@ struct sysv_dir_entry *sysv_find_entry(struct dentry *dentry, struct page **res_ name, de->name)) goto found; } - folio_release_kmap(folio, kaddr); + folio_release_kmap(*foliop, kaddr); } if (++n >= npages) @@ -178,7 +174,6 @@ struct sysv_dir_entry *sysv_find_entry(struct dentry *dentry, struct page **res_ found: SYSV_I(dir)->i_dir_start_lookup = n; - *res_page = &folio->page; return de; } @@ -374,13 +369,13 @@ struct sysv_dir_entry *sysv_dotdot(struct inode *dir, struct page **p) ino_t sysv_inode_by_name(struct dentry *dentry) { - struct page *page; - struct sysv_dir_entry *de = sysv_find_entry (dentry, &page); + struct folio *folio; + struct sysv_dir_entry *de = sysv_find_entry (dentry, &folio); ino_t res = 0; if (de) { res = fs16_to_cpu(SYSV_SB(dentry->d_sb), de->inode); - unmap_and_put_page(page, de); + folio_release_kmap(folio, de); } return res; } diff --git a/fs/sysv/namei.c b/fs/sysv/namei.c index d6b73798071b..970043fe49ee 100644 --- a/fs/sysv/namei.c +++ b/fs/sysv/namei.c @@ -151,20 +151,20 @@ out_dir: static int sysv_unlink(struct inode * dir, struct dentry * dentry) { struct inode * inode = d_inode(dentry); - struct page * page; + struct folio *folio; struct sysv_dir_entry * de; int err; - de = sysv_find_entry(dentry, &page); + de = sysv_find_entry(dentry, &folio); if (!de) return -ENOENT; - err = sysv_delete_entry(de, page); + err = sysv_delete_entry(de, &folio->page); if (!err) { inode_set_ctime_to_ts(inode, inode_get_ctime(dir)); inode_dec_link_count(inode); } - unmap_and_put_page(page, de); + folio_release_kmap(folio, de); return err; } @@ -196,14 +196,14 @@ static int sysv_rename(struct mnt_idmap *idmap, struct inode *old_dir, struct inode * new_inode = d_inode(new_dentry); struct page * dir_page = NULL; struct sysv_dir_entry * dir_de = NULL; - struct page * old_page; + struct folio *old_folio; struct sysv_dir_entry * old_de; int err = -ENOENT; if (flags & ~RENAME_NOREPLACE) return -EINVAL; - old_de = sysv_find_entry(old_dentry, &old_page); + old_de = sysv_find_entry(old_dentry, &old_folio); if (!old_de) goto out; @@ -215,7 +215,7 @@ static int sysv_rename(struct mnt_idmap *idmap, struct inode *old_dir, } if (new_inode) { - struct page * new_page; + struct folio *new_folio; struct sysv_dir_entry * new_de; err = -ENOTEMPTY; @@ -223,11 +223,11 @@ static int sysv_rename(struct mnt_idmap *idmap, struct inode *old_dir, goto out_dir; err = -ENOENT; - new_de = sysv_find_entry(new_dentry, &new_page); + new_de = sysv_find_entry(new_dentry, &new_folio); if (!new_de) goto out_dir; - err = sysv_set_link(new_de, new_page, old_inode); - unmap_and_put_page(new_page, new_de); + err = sysv_set_link(new_de, &new_folio->page, old_inode); + folio_release_kmap(new_folio, new_de); if (err) goto out_dir; inode_set_ctime_current(new_inode); @@ -242,7 +242,7 @@ static int sysv_rename(struct mnt_idmap *idmap, struct inode *old_dir, inode_inc_link_count(new_dir); } - err = sysv_delete_entry(old_de, old_page); + err = sysv_delete_entry(old_de, &old_folio->page); if (err) goto out_dir; @@ -258,7 +258,7 @@ out_dir: if (dir_de) unmap_and_put_page(dir_page, dir_de); out_old: - unmap_and_put_page(old_page, old_de); + folio_release_kmap(old_folio, old_de); out: return err; } diff --git a/fs/sysv/sysv.h b/fs/sysv/sysv.h index e3f988b469ee..be15c659a027 100644 --- a/fs/sysv/sysv.h +++ b/fs/sysv/sysv.h @@ -148,15 +148,15 @@ extern void sysv_destroy_icache(void); /* dir.c */ -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 *); -extern int sysv_make_empty(struct inode *, struct inode *); -extern int sysv_empty_dir(struct inode *); -extern int sysv_set_link(struct sysv_dir_entry *, struct page *, +struct sysv_dir_entry *sysv_find_entry(struct dentry *, struct folio **); +int sysv_add_link(struct dentry *, struct inode *); +int sysv_delete_entry(struct sysv_dir_entry *, struct page *); +int sysv_make_empty(struct inode *, struct inode *); +int sysv_empty_dir(struct inode *); +int sysv_set_link(struct sysv_dir_entry *, struct page *, struct inode *); -extern struct sysv_dir_entry *sysv_dotdot(struct inode *, struct page **); -extern ino_t sysv_inode_by_name(struct dentry *); +struct sysv_dir_entry *sysv_dotdot(struct inode *, struct page **); +ino_t sysv_inode_by_name(struct dentry *); extern const struct inode_operations sysv_file_inode_operations; |