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f2fs: fix to wait page writeback before update

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Filesystem including f2fs should support stable page for special
device like software raid, however there is one missing path that
page could be updated while it is writeback state as below, fix
this.

- gc_node_segment
 - f2fs_move_node_page
  - __write_node_page
   - set_page_writeback

- do_read_inode
 - f2fs_init_extent_tree
  - __f2fs_init_extent_tree
    i_ext->len = 0;

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu
2020-06-28 10:58:17 +08:00
committed by Jaegeuk Kim
parent 0759e2c151
commit a6d601f30d
3 changed files with 11 additions and 12 deletions
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3
fs/f2fs/inode.c
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@@ -367,8 +367,7 @@ static int do_read_inode(struct inode *inode)
fi->i_pino = le32_to_cpu(ri->i_pino);
fi->i_dir_level = ri->i_dir_level;
if (f2fs_init_extent_tree(inode, &ri->i_ext))
set_page_dirty(node_page);
f2fs_init_extent_tree(inode, node_page);
get_inline_info(inode, ri);