Convert an inline tail file to a normal file when the inode expansion
exceeds the maximum size allowed for the inline tail.
Signed-off-by: Wu Bo <bo...@vivo.com>
---
fs/f2fs/f2fs.h | 1 +
fs/f2fs/file.c | 6 ++++++
fs/f2fs/inline.c | 43 +++++++++++++++++++++++++++++++++++++++++++
3 files changed, 50 insertions(+)
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 2e0530b55e74..f889d97209c7 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -4211,6 +4211,7 @@ void f2fs_truncate_inline_inode(struct inode *inode,
struct page *ipage, u64 from);
int f2fs_read_inline_data(struct inode *inode, struct folio *folio);
int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page);
+int f2fs_convert_inline_tail(struct inode *inode);
int f2fs_convert_inline_inode(struct inode *inode);
int f2fs_clear_inline_tail(struct inode *inode, bool force);
int f2fs_try_convert_inline_dir(struct inode *dir, struct dentry *dentry);
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index dda4cf6d7325..2551403a5b83 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1783,6 +1783,12 @@ static int f2fs_expand_inode_data(struct inode *inode,
loff_t offset,
if (err)
return err;
+ if (len + offset > MAX_INLINE_TAIL(inode)) {
+ err = f2fs_convert_inline_tail(inode);
+ if (err)
+ return err;
+ }
+
f2fs_balance_fs(sbi, true);
pg_start = ((unsigned long long)offset) >> PAGE_SHIFT;
diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index a542956d618a..c2f84f3dde67 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -235,6 +235,49 @@ int f2fs_clear_inline_tail(struct inode *inode, bool force)
return 0;
}
+int f2fs_convert_inline_tail(struct inode *inode)
+{
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+ struct dnode_of_data dn;
+ struct page *ipage, *page;
+ loff_t i_size = i_size_read(inode);
+ pgoff_t end_index = i_size >> PAGE_SHIFT;
+ int err = 0;
+
+ if (!f2fs_has_inline_tail(inode))
+ return 0;
+
+ page = f2fs_grab_cache_page(inode->i_mapping, end_index, false);
+ if (!page)
+ return -ENOMEM;
+
+ f2fs_lock_op(sbi);
+
+ ipage = f2fs_get_node_page(sbi, inode->i_ino);
+ if (IS_ERR(ipage)) {
+ err = PTR_ERR(ipage);
+ goto out;
+ }
+
+ set_new_dnode(&dn, inode, ipage, ipage, 0);
+
+ if (f2fs_has_inline_tail(inode))
+ err = f2fs_convert_inline_page(&dn, page);
+
+ f2fs_put_dnode(&dn);
+out:
+ f2fs_unlock_op(sbi);
+
+ f2fs_put_page(page, 1);
+
+ if (!err) {
+ err = f2fs_clear_inline_tail(inode, true);
+ f2fs_balance_fs(sbi, dn.node_changed);
+ }
+
+ return err;
+}
+
int f2fs_convert_inline_inode(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
--
2.35.3
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