diff options
Diffstat (limited to 'fs/ext2')
| -rw-r--r-- | fs/ext2/dir.c | 24 | ||||
| -rw-r--r-- | fs/ext2/ext2.h | 3 | ||||
| -rw-r--r-- | fs/ext2/inode.c | 11 |
3 files changed, 14 insertions, 24 deletions
diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c index 7516957..6b946ba 100644 --- a/fs/ext2/dir.c +++ b/fs/ext2/dir.c @@ -448,6 +448,12 @@ ino_t ext2_inode_by_name(struct inode *dir, struct qstr *child) return res; } +static int ext2_prepare_chunk(struct page *page, loff_t pos, unsigned len) +{ + return block_write_begin_newtrunc(NULL, page->mapping, pos, len, 0, + &page, NULL, ext2_get_block); +} + /* Releases the page */ void ext2_set_link(struct inode *dir, struct ext2_dir_entry_2 *de, struct page *page, struct inode *inode, int update_times) @@ -458,8 +464,7 @@ void ext2_set_link(struct inode *dir, struct ext2_dir_entry_2 *de, int err; lock_page(page); - err = __ext2_write_begin(NULL, page->mapping, pos, len, - AOP_FLAG_UNINTERRUPTIBLE, &page, NULL); + err = ext2_prepare_chunk(page, pos, len); BUG_ON(err); de->inode = cpu_to_le32(inode->i_ino); ext2_set_de_type(de, inode); @@ -542,8 +547,7 @@ int ext2_add_link (struct dentry *dentry, struct inode *inode) got_it: pos = page_offset(page) + (char*)de - (char*)page_address(page); - err = __ext2_write_begin(NULL, page->mapping, pos, rec_len, 0, - &page, NULL); + err = ext2_prepare_chunk(page, pos, rec_len); if (err) goto out_unlock; if (de->inode) { @@ -576,8 +580,7 @@ out_unlock: */ int ext2_delete_entry (struct ext2_dir_entry_2 * dir, struct page * page ) { - struct address_space *mapping = page->mapping; - struct inode *inode = mapping->host; + struct inode *inode = page->mapping->host; char *kaddr = page_address(page); unsigned from = ((char*)dir - kaddr) & ~(ext2_chunk_size(inode)-1); unsigned to = ((char *)dir - kaddr) + @@ -601,8 +604,7 @@ int ext2_delete_entry (struct ext2_dir_entry_2 * dir, struct page * page ) from = (char*)pde - (char*)page_address(page); pos = page_offset(page) + from; lock_page(page); - err = __ext2_write_begin(NULL, page->mapping, pos, to - from, 0, - &page, NULL); + err = ext2_prepare_chunk(page, pos, to - from); BUG_ON(err); if (pde) pde->rec_len = ext2_rec_len_to_disk(to - from); @@ -621,8 +623,7 @@ out: */ int ext2_make_empty(struct inode *inode, struct inode *parent) { - struct address_space *mapping = inode->i_mapping; - struct page *page = grab_cache_page(mapping, 0); + struct page *page = grab_cache_page(inode->i_mapping, 0); unsigned chunk_size = ext2_chunk_size(inode); struct ext2_dir_entry_2 * de; int err; @@ -631,8 +632,7 @@ int ext2_make_empty(struct inode *inode, struct inode *parent) if (!page) return -ENOMEM; - err = __ext2_write_begin(NULL, page->mapping, 0, chunk_size, 0, - &page, NULL); + err = ext2_prepare_chunk(page, 0, chunk_size); if (err) { unlock_page(page); goto fail; diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h index 52b34f1..8f53d11 100644 --- a/fs/ext2/ext2.h +++ b/fs/ext2/ext2.h @@ -127,9 +127,6 @@ extern void ext2_set_inode_flags(struct inode *inode); extern void ext2_get_inode_flags(struct ext2_inode_info *); extern int ext2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, u64 start, u64 len); -int __ext2_write_begin(struct file *file, struct address_space *mapping, - loff_t pos, unsigned len, unsigned flags, - struct page **pagep, void **fsdata); /* ioctl.c */ extern long ext2_ioctl(struct file *, unsigned int, unsigned long); diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index 348805c..2f4dfbc 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -765,14 +765,6 @@ ext2_readpages(struct file *file, struct address_space *mapping, return mpage_readpages(mapping, pages, nr_pages, ext2_get_block); } -int __ext2_write_begin(struct file *file, struct address_space *mapping, - loff_t pos, unsigned len, unsigned flags, - struct page **pagep, void **fsdata) -{ - return block_write_begin_newtrunc(file, mapping, pos, len, flags, - pagep, fsdata, ext2_get_block); -} - static int ext2_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, @@ -781,7 +773,8 @@ ext2_write_begin(struct file *file, struct address_space *mapping, int ret; *pagep = NULL; - ret = __ext2_write_begin(file, mapping, pos, len, flags, pagep, fsdata); + ret = block_write_begin_newtrunc(file, mapping, pos, len, flags, + pagep, fsdata, ext2_get_block); if (ret < 0) ext2_write_failed(mapping, pos + len); return ret; |
