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authorMatthew Wilcox (Oracle) <willy@infradead.org>2024-07-08 15:11:00 -0400
committerChristian Brauner <brauner@kernel.org>2024-08-07 11:31:51 +0200
commite95d2754458a6a0a1c8a5dc1d593d80f6940fbdc (patch)
treee7d0d3c25139214c8159d43818db8a5c4b81cb45 /fs/ufs
parenta60b0e8f150ff5e9fefaf9166b75381f162da45d (diff)
ufs: Convert ufs_find_entry() to take a folio
This matches ext2 and pushes the use of folios out by one layer. Reviewed-by: Josef Bacik <josef@toxicpanda.com> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'fs/ufs')
-rw-r--r--fs/ufs/dir.c17
-rw-r--r--fs/ufs/namei.c22
-rw-r--r--fs/ufs/ufs.h20
3 files changed, 28 insertions, 31 deletions
diff --git a/fs/ufs/dir.c b/fs/ufs/dir.c
index 287cab597cc1..fb56a00b622c 100644
--- a/fs/ufs/dir.c
+++ b/fs/ufs/dir.c
@@ -76,12 +76,12 @@ ino_t ufs_inode_by_name(struct inode *dir, const struct qstr *qstr)
{
ino_t res = 0;
struct ufs_dir_entry *de;
- struct page *page;
+ struct folio *folio;
- de = ufs_find_entry(dir, qstr, &page);
+ de = ufs_find_entry(dir, qstr, &folio);
if (de) {
res = fs32_to_cpu(dir->i_sb, de->d_ino);
- ufs_put_page(page);
+ ufs_put_page(&folio->page);
}
return res;
}
@@ -255,7 +255,7 @@ struct ufs_dir_entry *ufs_dotdot(struct inode *dir, struct page **p)
* Entry is guaranteed to be valid.
*/
struct ufs_dir_entry *ufs_find_entry(struct inode *dir, const struct qstr *qstr,
- struct page **res_page)
+ struct folio **foliop)
{
struct super_block *sb = dir->i_sb;
const unsigned char *name = qstr->name;
@@ -263,7 +263,6 @@ struct ufs_dir_entry *ufs_find_entry(struct inode *dir, const struct qstr *qstr,
unsigned reclen = UFS_DIR_REC_LEN(namelen);
unsigned long start, n;
unsigned long npages = dir_pages(dir);
- struct folio *folio;
struct ufs_inode_info *ui = UFS_I(dir);
struct ufs_dir_entry *de;
@@ -272,16 +271,13 @@ struct ufs_dir_entry *ufs_find_entry(struct inode *dir, const struct qstr *qstr,
if (npages == 0 || namelen > UFS_MAXNAMLEN)
goto out;
- /* OFFSET_CACHE */
- *res_page = NULL;
-
start = ui->i_dir_start_lookup;
if (start >= npages)
start = 0;
n = start;
do {
- char *kaddr = ufs_get_folio(dir, n, &folio);
+ char *kaddr = ufs_get_folio(dir, n, foliop);
if (!IS_ERR(kaddr)) {
de = (struct ufs_dir_entry *)kaddr;
@@ -291,7 +287,7 @@ struct ufs_dir_entry *ufs_find_entry(struct inode *dir, const struct qstr *qstr,
goto found;
de = ufs_next_entry(sb, de);
}
- ufs_put_page(&folio->page);
+ ufs_put_page(&(*foliop)->page);
}
if (++n >= npages)
n = 0;
@@ -300,7 +296,6 @@ out:
return NULL;
found:
- *res_page = &folio->page;
ui->i_dir_start_lookup = n;
return de;
}
diff --git a/fs/ufs/namei.c b/fs/ufs/namei.c
index 9cad29463791..53e9bfad54df 100644
--- a/fs/ufs/namei.c
+++ b/fs/ufs/namei.c
@@ -209,14 +209,14 @@ static int ufs_unlink(struct inode *dir, struct dentry *dentry)
{
struct inode * inode = d_inode(dentry);
struct ufs_dir_entry *de;
- struct page *page;
+ struct folio *folio;
int err = -ENOENT;
- de = ufs_find_entry(dir, &dentry->d_name, &page);
+ de = ufs_find_entry(dir, &dentry->d_name, &folio);
if (!de)
goto out;
- err = ufs_delete_entry(dir, de, page);
+ err = ufs_delete_entry(dir, de, &folio->page);
if (err)
goto out;
@@ -251,14 +251,14 @@ static int ufs_rename(struct mnt_idmap *idmap, struct inode *old_dir,
struct inode *new_inode = d_inode(new_dentry);
struct page *dir_page = NULL;
struct ufs_dir_entry * dir_de = NULL;
- struct page *old_page;
+ struct folio *old_folio;
struct ufs_dir_entry *old_de;
int err = -ENOENT;
if (flags & ~RENAME_NOREPLACE)
return -EINVAL;
- old_de = ufs_find_entry(old_dir, &old_dentry->d_name, &old_page);
+ old_de = ufs_find_entry(old_dir, &old_dentry->d_name, &old_folio);
if (!old_de)
goto out;
@@ -270,7 +270,7 @@ static int ufs_rename(struct mnt_idmap *idmap, struct inode *old_dir,
}
if (new_inode) {
- struct page *new_page;
+ struct folio *new_folio;
struct ufs_dir_entry *new_de;
err = -ENOTEMPTY;
@@ -278,10 +278,10 @@ static int ufs_rename(struct mnt_idmap *idmap, struct inode *old_dir,
goto out_dir;
err = -ENOENT;
- new_de = ufs_find_entry(new_dir, &new_dentry->d_name, &new_page);
+ new_de = ufs_find_entry(new_dir, &new_dentry->d_name, &new_folio);
if (!new_de)
goto out_dir;
- ufs_set_link(new_dir, new_de, new_page, old_inode, 1);
+ ufs_set_link(new_dir, new_de, &new_folio->page, old_inode, 1);
inode_set_ctime_current(new_inode);
if (dir_de)
drop_nlink(new_inode);
@@ -300,7 +300,7 @@ static int ufs_rename(struct mnt_idmap *idmap, struct inode *old_dir,
*/
inode_set_ctime_current(old_inode);
- ufs_delete_entry(old_dir, old_de, old_page);
+ ufs_delete_entry(old_dir, old_de, &old_folio->page);
mark_inode_dirty(old_inode);
if (dir_de) {
@@ -321,8 +321,8 @@ out_dir:
put_page(dir_page);
}
out_old:
- kunmap(old_page);
- put_page(old_page);
+ kunmap(&old_folio->page);
+ folio_put(old_folio);
out:
return err;
}
diff --git a/fs/ufs/ufs.h b/fs/ufs/ufs.h
index 6b499180643b..161fe0bb6fd1 100644
--- a/fs/ufs/ufs.h
+++ b/fs/ufs/ufs.h
@@ -99,15 +99,17 @@ extern void ufs_put_cylinder (struct super_block *, unsigned);
/* dir.c */
extern const struct inode_operations ufs_dir_inode_operations;
-extern int ufs_add_link (struct dentry *, struct inode *);
-extern ino_t ufs_inode_by_name(struct inode *, const struct qstr *);
-extern int ufs_make_empty(struct inode *, struct inode *);
-extern struct ufs_dir_entry *ufs_find_entry(struct inode *, const struct qstr *, struct page **);
-extern int ufs_delete_entry(struct inode *, struct ufs_dir_entry *, struct page *);
-extern int ufs_empty_dir (struct inode *);
-extern struct ufs_dir_entry *ufs_dotdot(struct inode *, struct page **);
-extern void ufs_set_link(struct inode *dir, struct ufs_dir_entry *de,
- struct page *page, struct inode *inode, bool update_times);
+
+int ufs_add_link(struct dentry *, struct inode *);
+ino_t ufs_inode_by_name(struct inode *, const struct qstr *);
+int ufs_make_empty(struct inode *, struct inode *);
+struct ufs_dir_entry *ufs_find_entry(struct inode *, const struct qstr *,
+ struct folio **);
+int ufs_delete_entry(struct inode *, struct ufs_dir_entry *, struct page *);
+int ufs_empty_dir(struct inode *);
+struct ufs_dir_entry *ufs_dotdot(struct inode *, struct page **);
+void ufs_set_link(struct inode *dir, struct ufs_dir_entry *de,
+ struct page *page, struct inode *inode, bool update_times);
/* file.c */
extern const struct inode_operations ufs_file_inode_operations;