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In some case, the node blocks has wrong blkaddr whose segment type is NODE, e.g., recover inode has missing xattr flag and the blkaddr is in the xattr range. Since fsck.f2fs does not check the recovery nodes, this will cause __f2fs_replace_block change the curseg of node and do the update_sit_entry(sbi, new_blkaddr, 1) with no next_blkoff refresh, as a result, when recovery process write checkpoint and sync nodes, the next_blkoff of curseg is used in the segment bit map, then it will cause f2fs_bug_on. So let's check segment type in __f2fs_replace_block. Signed-off-by: Yunlong Song <yunlong.song@huawei.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.