diff options
| -rw-r--r-- | fs/f2fs/dir.c | 39 |
1 files changed, 27 insertions, 12 deletions
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c index f7293a2674b2..750a6883f047 100644 --- a/fs/f2fs/dir.c +++ b/fs/f2fs/dir.c @@ -507,24 +507,33 @@ int __f2fs_add_link(struct inode *dir, const struct qstr *name, unsigned long bidx, block; f2fs_hash_t dentry_hash; unsigned int nbucket, nblock; - size_t namelen = name->len; struct page *dentry_page = NULL; struct f2fs_dentry_block *dentry_blk = NULL; struct f2fs_dentry_ptr d; - int slots = GET_DENTRY_SLOTS(namelen); struct page *page = NULL; - int err = 0; + struct f2fs_filename fname; + struct qstr new_name; + int slots, err; + + err = f2fs_fname_setup_filename(dir, name, 0, &fname); + if (err) + return err; + + new_name.name = fname_name(&fname); + new_name.len = fname_len(&fname); if (f2fs_has_inline_dentry(dir)) { - err = f2fs_add_inline_entry(dir, name, inode, ino, mode); + err = f2fs_add_inline_entry(dir, &new_name, inode, ino, mode); if (!err || err != -EAGAIN) - return err; + goto out; else err = 0; } - dentry_hash = f2fs_dentry_hash(name); level = 0; + slots = GET_DENTRY_SLOTS(new_name.len); + dentry_hash = f2fs_dentry_hash(&new_name); + current_depth = F2FS_I(dir)->i_current_depth; if (F2FS_I(dir)->chash == dentry_hash) { level = F2FS_I(dir)->clevel; @@ -532,8 +541,10 @@ int __f2fs_add_link(struct inode *dir, const struct qstr *name, } start: - if (unlikely(current_depth == MAX_DIR_HASH_DEPTH)) - return -ENOSPC; + if (unlikely(current_depth == MAX_DIR_HASH_DEPTH)) { + err = -ENOSPC; + goto out; + } /* Increase the depth, if required */ if (level == current_depth) @@ -547,8 +558,10 @@ start: for (block = bidx; block <= (bidx + nblock - 1); block++) { dentry_page = get_new_data_page(dir, NULL, block, true); - if (IS_ERR(dentry_page)) - return PTR_ERR(dentry_page); + if (IS_ERR(dentry_page)) { + err = PTR_ERR(dentry_page); + goto out; + } dentry_blk = kmap(dentry_page); bit_pos = room_for_filename(&dentry_blk->dentry_bitmap, @@ -568,7 +581,7 @@ add_dentry: if (inode) { down_write(&F2FS_I(inode)->i_sem); - page = init_inode_metadata(inode, dir, name, NULL); + page = init_inode_metadata(inode, dir, &new_name, NULL); if (IS_ERR(page)) { err = PTR_ERR(page); goto fail; @@ -576,7 +589,7 @@ add_dentry: } make_dentry_ptr(&d, (void *)dentry_blk, 1); - f2fs_update_dentry(ino, mode, &d, name, dentry_hash, bit_pos); + f2fs_update_dentry(ino, mode, &d, &new_name, dentry_hash, bit_pos); set_page_dirty(dentry_page); @@ -598,6 +611,8 @@ fail: } kunmap(dentry_page); f2fs_put_page(dentry_page, 1); +out: + f2fs_fname_free_filename(&fname); return err; } |