diff options
| author | Chao Yu <yuchao0@huawei.com> | 2018-06-05 12:44:11 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-07-27 12:03:59 +0300 |
| commit | e1da7872f6eda977bd812346bf588c35e4495a1e (patch) | |
| tree | 1aef775092817c292fb379aa7ece851473589c07 /fs/f2fs/data.c | |
| parent | 24b81dfcb73f2dc21c61502512d1422f15a579dc (diff) | |
| download | linux-e1da7872f6eda977bd812346bf588c35e4495a1e.tar.xz | |
f2fs: introduce and spread verify_blkaddr
This patch introduces verify_blkaddr to check meta/data block address
with valid range to detect bug earlier.
In addition, once we encounter an invalid blkaddr, notice user to run
fsck to fix, and let the kernel panic.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/data.c')
| -rw-r--r-- | fs/f2fs/data.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index b6a90c853221..635a98db5d65 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -485,7 +485,7 @@ next: spin_unlock(&io->io_lock); } - if (is_valid_blkaddr(fio->old_blkaddr)) + if (__is_valid_data_blkaddr(fio->old_blkaddr)) verify_block_addr(fio, fio->old_blkaddr); verify_block_addr(fio, fio->new_blkaddr); @@ -1045,7 +1045,7 @@ next_dnode: next_block: blkaddr = datablock_addr(dn.inode, dn.node_page, dn.ofs_in_node); - if (!is_valid_blkaddr(blkaddr)) { + if (!is_valid_data_blkaddr(sbi, blkaddr)) { if (create) { if (unlikely(f2fs_cp_error(sbi))) { err = -EIO; @@ -1700,7 +1700,7 @@ int f2fs_do_write_data_page(struct f2fs_io_info *fio) f2fs_lookup_extent_cache(inode, page->index, &ei)) { fio->old_blkaddr = ei.blk + page->index - ei.fofs; - if (is_valid_blkaddr(fio->old_blkaddr)) { + if (is_valid_data_blkaddr(fio->sbi, fio->old_blkaddr)) { ipu_force = true; fio->need_lock = LOCK_DONE; goto got_it; @@ -1727,7 +1727,7 @@ got_it: * If current allocation needs SSR, * it had better in-place writes for updated data. */ - if (ipu_force || (is_valid_blkaddr(fio->old_blkaddr) && + if (ipu_force || (is_valid_data_blkaddr(fio->sbi, fio->old_blkaddr) && need_inplace_update(fio))) { err = encrypt_one_page(fio); if (err) |