diff options
Diffstat (limited to 'fs/hostfs/hostfs_kern.c')
| -rw-r--r-- | fs/hostfs/hostfs_kern.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c index ef481c3d9019..277468783fee 100644 --- a/fs/hostfs/hostfs_kern.c +++ b/fs/hostfs/hostfs_kern.c @@ -14,6 +14,7 @@ #include <linux/statfs.h> #include <linux/slab.h> #include <linux/seq_file.h> +#include <linux/writeback.h> #include <linux/mount.h> #include <linux/namei.h> #include "hostfs.h" @@ -102,7 +103,7 @@ static char *__dentry_name(struct dentry *dentry, char *name) */ BUG_ON(p + strlen(p) + 1 != name + PATH_MAX); - strlcpy(name, root, PATH_MAX); + strscpy(name, root, PATH_MAX); if (len > p - name) { __putname(name); return NULL; @@ -222,7 +223,7 @@ static struct inode *hostfs_alloc_inode(struct super_block *sb) { struct hostfs_inode_info *hi; - hi = kmem_cache_alloc(hostfs_inode_cache, GFP_KERNEL_ACCOUNT); + hi = alloc_inode_sb(sb, hostfs_inode_cache, GFP_KERNEL_ACCOUNT); if (hi == NULL) return NULL; hi->fd = -1; @@ -415,15 +416,15 @@ static int hostfs_writepage(struct page *page, struct writeback_control *wbc) err = write_file(HOSTFS_I(inode)->fd, &base, buffer, count); if (err != count) { - ClearPageUptodate(page); + if (err >= 0) + err = -EIO; + mapping_set_error(mapping, err); goto out; } if (base > inode->i_size) inode->i_size = base; - if (PageError(page)) - ClearPageError(page); err = 0; out: @@ -433,8 +434,9 @@ static int hostfs_writepage(struct page *page, struct writeback_control *wbc) return err; } -static int hostfs_readpage(struct file *file, struct page *page) +static int hostfs_read_folio(struct file *file, struct folio *folio) { + struct page *page = &folio->page; char *buffer; loff_t start = page_offset(page); int bytes_read, ret = 0; @@ -462,12 +464,12 @@ static int hostfs_readpage(struct file *file, struct page *page) } static int hostfs_write_begin(struct file *file, struct address_space *mapping, - loff_t pos, unsigned len, unsigned flags, + loff_t pos, unsigned len, struct page **pagep, void **fsdata) { pgoff_t index = pos >> PAGE_SHIFT; - *pagep = grab_cache_page_write_begin(mapping, index, flags); + *pagep = grab_cache_page_write_begin(mapping, index); if (!*pagep) return -ENOMEM; return 0; @@ -503,8 +505,8 @@ static int hostfs_write_end(struct file *file, struct address_space *mapping, static const struct address_space_operations hostfs_aops = { .writepage = hostfs_writepage, - .readpage = hostfs_readpage, - .set_page_dirty = __set_page_dirty_nobuffers, + .read_folio = hostfs_read_folio, + .dirty_folio = filemap_dirty_folio, .write_begin = hostfs_write_begin, .write_end = hostfs_write_end, }; |