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f2fs: Add sanity_check_inode() function

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This was done as part of commits 5d64600d4f "f2fs: avoid bug_on on
corrupted inode" and 76d56d4ab4 "f2fs: fix to do sanity check with
extra_attr feature" upstream, but the specific checks they added are
not applicable to 4.4.

Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ben Hutchings
2018-11-29 19:17:34 +00:00
committed by Greg Kroah-Hartman
parent b31ccde086
commit 24f8bb8945
1 changed files with 12 additions and 0 deletions
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12
fs/f2fs/inode.c
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@@ -95,6 +95,13 @@ static void __recover_inline_status(struct inode *inode, struct page *ipage)
return;
}
static bool sanity_check_inode(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
return true;
}
static int do_read_inode(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
@@ -143,6 +150,11 @@ static int do_read_inode(struct inode *inode)
get_inline_info(fi, ri);
if (!sanity_check_inode(inode)) {
f2fs_put_page(node_page, 1);
return -EINVAL;
}
/* check data exist */
if (f2fs_has_inline_data(inode) && !f2fs_exist_data(inode))
__recover_inline_status(inode, node_page);