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Diffstat (limited to 'fs/f2fs/inline.c')
-rw-r--r--fs/f2fs/inline.c40
1 files changed, 33 insertions, 7 deletions
diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index 383db1fabcf4..1bba5228c197 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -81,8 +81,10 @@ static int __f2fs_convert_inline_data(struct inode *inode, struct page *page)
f2fs_lock_op(sbi);
ipage = get_node_page(sbi, inode->i_ino);
- if (IS_ERR(ipage))
- return PTR_ERR(ipage);
+ if (IS_ERR(ipage)) {
+ err = PTR_ERR(ipage);
+ goto out;
+ }
/*
* i_addr[0] is not used for inline data,
@@ -90,11 +92,10 @@ static int __f2fs_convert_inline_data(struct inode *inode, struct page *page)
*/
set_new_dnode(&dn, inode, ipage, NULL, 0);
err = f2fs_reserve_block(&dn, 0);
- if (err) {
- f2fs_unlock_op(sbi);
- return err;
- }
+ if (err)
+ goto out;
+ f2fs_wait_on_page_writeback(page, DATA);
zero_user_segment(page, MAX_INLINE_DATA, PAGE_CACHE_SIZE);
/* Copy the whole inline data block */
@@ -118,6 +119,7 @@ static int __f2fs_convert_inline_data(struct inode *inode, struct page *page)
sync_inode_page(&dn);
f2fs_put_dnode(&dn);
+out:
f2fs_unlock_op(sbi);
return err;
}
@@ -132,7 +134,7 @@ int f2fs_convert_inline_data(struct inode *inode, pgoff_t to_size)
else if (to_size <= MAX_INLINE_DATA)
return 0;
- page = grab_cache_page_write_begin(inode->i_mapping, 0, AOP_FLAG_NOFS);
+ page = grab_cache_page(inode->i_mapping, 0);
if (!page)
return -ENOMEM;
@@ -155,6 +157,7 @@ int f2fs_write_inline_data(struct inode *inode,
return err;
ipage = dn.inode_page;
+ f2fs_wait_on_page_writeback(ipage, NODE);
zero_user_segment(ipage, INLINE_DATA_OFFSET,
INLINE_DATA_OFFSET + MAX_INLINE_DATA);
src_addr = kmap(page);
@@ -175,6 +178,26 @@ int f2fs_write_inline_data(struct inode *inode,
return 0;
}
+void truncate_inline_data(struct inode *inode, u64 from)
+{
+ struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
+ struct page *ipage;
+
+ if (from >= MAX_INLINE_DATA)
+ return;
+
+ ipage = get_node_page(sbi, inode->i_ino);
+ if (IS_ERR(ipage))
+ return;
+
+ f2fs_wait_on_page_writeback(ipage, NODE);
+
+ zero_user_segment(ipage, INLINE_DATA_OFFSET + from,
+ INLINE_DATA_OFFSET + MAX_INLINE_DATA);
+ set_page_dirty(ipage);
+ f2fs_put_page(ipage, 1);
+}
+
int recover_inline_data(struct inode *inode, struct page *npage)
{
struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
@@ -199,6 +222,8 @@ process_inline:
ipage = get_node_page(sbi, inode->i_ino);
f2fs_bug_on(IS_ERR(ipage));
+ f2fs_wait_on_page_writeback(ipage, NODE);
+
src_addr = inline_data_addr(npage);
dst_addr = inline_data_addr(ipage);
memcpy(dst_addr, src_addr, MAX_INLINE_DATA);
@@ -210,6 +235,7 @@ process_inline:
if (f2fs_has_inline_data(inode)) {
ipage = get_node_page(sbi, inode->i_ino);
f2fs_bug_on(IS_ERR(ipage));
+ f2fs_wait_on_page_writeback(ipage, NODE);
zero_user_segment(ipage, INLINE_DATA_OFFSET,
INLINE_DATA_OFFSET + MAX_INLINE_DATA);
clear_inode_flag(F2FS_I(inode), FI_INLINE_DATA);