/* no need to allocate new dentry pages to all the indices */
dentry_page = find_data_page(dir, bidx);
if (IS_ERR(dentry_page)) {
- room = true;
- continue;
+ if (PTR_ERR(dentry_page) == -ENOENT) {
+ room = true;
+ continue;
+ } else {
+ *res_page = dentry_page;
+ break;
+ }
}
de = find_in_block(dentry_page, fname, namehash, &max_slots,
struct fscrypt_name fname;
int err;
- *res_page = NULL;
-
err = fscrypt_setup_filename(dir, child, 1, &fname);
- if (err)
+ if (err) {
+ *res_page = ERR_PTR(err);
return NULL;
+ }
if (f2fs_has_inline_dentry(dir)) {
+ *res_page = NULL;
de = find_in_inline_dir(dir, &fname, res_page);
goto out;
}
- if (npages == 0)
+ if (npages == 0) {
+ *res_page = NULL;
goto out;
+ }
max_depth = F2FS_I(dir)->i_current_depth;
if (unlikely(max_depth > MAX_DIR_HASH_DEPTH)) {
"Corrupted max_depth of %lu: %u",
dir->i_ino, max_depth);
max_depth = MAX_DIR_HASH_DEPTH;
- F2FS_I(dir)->i_current_depth = max_depth;
- mark_inode_dirty(dir);
+ f2fs_i_depth_write(dir, max_depth);
}
for (level = 0; level < max_depth; level++) {
+ *res_page = NULL;
de = find_in_level(dir, level, &fname, res_page);
- if (de)
+ if (de || IS_ERR(*res_page))
break;
}
out:
struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct page **p)
{
- struct page *page;
- struct f2fs_dir_entry *de;
- struct f2fs_dentry_block *dentry_blk;
-
- if (f2fs_has_inline_dentry(dir))
- return f2fs_parent_inline_dir(dir, p);
-
- page = get_lock_data_page(dir, 0, false);
- if (IS_ERR(page))
- return NULL;
+ struct qstr dotdot = QSTR_INIT("..", 2);
- dentry_blk = kmap(page);
- de = &dentry_blk->dentry[1];
- *p = page;
- unlock_page(page);
- return de;
+ return f2fs_find_entry(dir, &dotdot, p);
}
-ino_t f2fs_inode_by_name(struct inode *dir, const struct qstr *qstr)
+ino_t f2fs_inode_by_name(struct inode *dir, const struct qstr *qstr,
+ struct page **page)
{
ino_t res = 0;
struct f2fs_dir_entry *de;
- struct page *page;
- de = f2fs_find_entry(dir, qstr, &page);
+ de = f2fs_find_entry(dir, qstr, page);
if (de) {
res = le32_to_cpu(de->ino);
- f2fs_dentry_kunmap(dir, page);
- f2fs_put_page(page, 0);
+ f2fs_dentry_kunmap(dir, *page);
+ f2fs_put_page(*page, 0);
}
return res;
set_de_type(de, inode->i_mode);
f2fs_dentry_kunmap(dir, page);
set_page_dirty(page);
- dir->i_mtime = dir->i_ctime = CURRENT_TIME;
- mark_inode_dirty(dir);
+ dir->i_mtime = dir->i_ctime = CURRENT_TIME;
+ f2fs_mark_inode_dirty_sync(dir);
f2fs_put_page(page, 1);
}
struct page *page;
int err;
- if (is_inode_flag_set(F2FS_I(inode), FI_NEW_INODE)) {
+ if (is_inode_flag_set(inode, FI_NEW_INODE)) {
page = new_inode_page(inode);
if (IS_ERR(page))
return page;
* This file should be checkpointed during fsync.
* We lost i_pino from now on.
*/
- if (is_inode_flag_set(F2FS_I(inode), FI_INC_LINK)) {
+ if (is_inode_flag_set(inode, FI_INC_LINK)) {
file_lost_pino(inode);
/*
* If link the tmpfile to alias through linkat path,
*/
if (inode->i_nlink == 0)
remove_orphan_inode(F2FS_I_SB(dir), inode->i_ino);
- inc_nlink(inode);
+ f2fs_i_links_write(inode, true);
}
return page;
put_error:
- /* truncate empty dir pages */
- truncate_inode_pages(&inode->i_data, 0);
-
clear_nlink(inode);
update_inode(inode, page);
f2fs_put_page(page, 1);
void update_parent_metadata(struct inode *dir, struct inode *inode,
unsigned int current_depth)
{
- if (inode && is_inode_flag_set(F2FS_I(inode), FI_NEW_INODE)) {
- if (S_ISDIR(inode->i_mode)) {
- inc_nlink(dir);
- set_inode_flag(F2FS_I(dir), FI_UPDATE_DIR);
- }
- clear_inode_flag(F2FS_I(inode), FI_NEW_INODE);
+ if (inode && is_inode_flag_set(inode, FI_NEW_INODE)) {
+ if (S_ISDIR(inode->i_mode))
+ f2fs_i_links_write(dir, true);
+ clear_inode_flag(inode, FI_NEW_INODE);
}
dir->i_mtime = dir->i_ctime = CURRENT_TIME;
- mark_inode_dirty(dir);
+ f2fs_mark_inode_dirty_sync(dir);
- if (F2FS_I(dir)->i_current_depth != current_depth) {
- F2FS_I(dir)->i_current_depth = current_depth;
- set_inode_flag(F2FS_I(dir), FI_UPDATE_DIR);
- }
+ if (F2FS_I(dir)->i_current_depth != current_depth)
+ f2fs_i_depth_write(dir, current_depth);
- if (inode && is_inode_flag_set(F2FS_I(inode), FI_INC_LINK))
- clear_inode_flag(F2FS_I(inode), FI_INC_LINK);
+ if (inode && is_inode_flag_set(inode, FI_INC_LINK))
+ clear_inode_flag(inode, FI_INC_LINK);
}
int room_for_filename(const void *bitmap, int slots, int max_slots)
set_page_dirty(dentry_page);
if (inode) {
- /* we don't need to mark_inode_dirty now */
- F2FS_I(inode)->i_pino = dir->i_ino;
- update_inode(inode, page);
+ f2fs_i_pino_write(inode, dir->i_ino);
f2fs_put_page(page, 1);
}
if (inode)
up_write(&F2FS_I(inode)->i_sem);
- if (is_inode_flag_set(F2FS_I(dir), FI_UPDATE_DIR)) {
- update_inode_page(dir);
- clear_inode_flag(F2FS_I(dir), FI_UPDATE_DIR);
- }
kunmap(dentry_page);
f2fs_put_page(dentry_page, 1);
err = PTR_ERR(page);
goto fail;
}
- /* we don't need to mark_inode_dirty now */
- update_inode(inode, page);
f2fs_put_page(page, 1);
- clear_inode_flag(F2FS_I(inode), FI_NEW_INODE);
+ clear_inode_flag(inode, FI_NEW_INODE);
fail:
up_write(&F2FS_I(inode)->i_sem);
f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
return err;
}
-void f2fs_drop_nlink(struct inode *dir, struct inode *inode, struct page *page)
+void f2fs_drop_nlink(struct inode *dir, struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
down_write(&F2FS_I(inode)->i_sem);
- if (S_ISDIR(inode->i_mode)) {
- drop_nlink(dir);
- if (page)
- update_inode(dir, page);
- else
- update_inode_page(dir);
- }
+ if (S_ISDIR(inode->i_mode))
+ f2fs_i_links_write(dir, false);
inode->i_ctime = CURRENT_TIME;
- drop_nlink(inode);
+ f2fs_i_links_write(inode, false);
if (S_ISDIR(inode->i_mode)) {
- drop_nlink(inode);
- i_size_write(inode, 0);
+ f2fs_i_links_write(inode, false);
+ f2fs_i_size_write(inode, 0);
}
up_write(&F2FS_I(inode)->i_sem);
- update_inode_page(inode);
if (inode->i_nlink == 0)
- add_orphan_inode(sbi, inode->i_ino);
+ add_orphan_inode(inode);
else
release_orphan_inode(sbi);
}
set_page_dirty(page);
dir->i_ctime = dir->i_mtime = CURRENT_TIME;
+ f2fs_mark_inode_dirty_sync(dir);
if (inode)
- f2fs_drop_nlink(dir, inode, NULL);
+ f2fs_drop_nlink(dir, inode);
if (bit_pos == NR_DENTRY_IN_BLOCK &&
!truncate_hole(dir, page->index, page->index + 1)) {
projects / cascardo / linux.git / blobdiff