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Date: Fri, 15 Dec 2023 10:27:55 +0800
From: Chao Yu <chao@...nel.org>
To: Zhiguo Niu <zhiguo.niu@...soc.com>, jaegeuk@...nel.org
Cc: linux-f2fs-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
niuzhiguo84@...il.com, ke.wang@...soc.com
Subject: Re: [PATCH V2] f2fs: unify the error handling of
f2fs_is_valid_blkaddr
On 2023/12/12 13:23, Zhiguo Niu wrote:
> unify the error handling of ERROR_INVALID_BLKADDR in f2fs_is_valid_blkaddr
> and remove some redundant codes in f2fs_cache_compressed_page.
>
> Signed-off-by: Zhiguo Niu <zhiguo.niu@...soc.com>
> ---
> changes of v2: improve patch according Chao's suggestions.
> ---
> ---
> fs/f2fs/checkpoint.c | 43 +++++++++++++++++++++++--------------------
> fs/f2fs/compress.c | 4 ----
> fs/f2fs/data.c | 24 ++++--------------------
> fs/f2fs/extent_cache.c | 7 ++-----
> fs/f2fs/f2fs.h | 5 ++---
> fs/f2fs/file.c | 17 +++++------------
> fs/f2fs/gc.c | 2 --
> fs/f2fs/inode.c | 5 ++---
> fs/f2fs/node.c | 2 +-
> fs/f2fs/recovery.c | 13 ++++++-------
> fs/f2fs/segment.c | 2 --
> 11 files changed, 45 insertions(+), 79 deletions(-)
>
> diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
> index b0597a5..d8ff056 100644
> --- a/fs/f2fs/checkpoint.c
> +++ b/fs/f2fs/checkpoint.c
> @@ -154,19 +154,17 @@ static bool __is_bitmap_valid(struct f2fs_sb_info *sbi, block_t blkaddr,
> if (unlikely(f2fs_cp_error(sbi)))
> return exist;
>
> - if (exist && type == DATA_GENERIC_ENHANCE_UPDATE) {
> - f2fs_err(sbi, "Inconsistent error blkaddr:%u, sit bitmap:%d",
> - blkaddr, exist);
> - set_sbi_flag(sbi, SBI_NEED_FSCK);
> - return exist;
> - }
> + if ((exist && type == DATA_GENERIC_ENHANCE_UPDATE) ||
> + (!exist && type == DATA_GENERIC_ENHANCE))
> + goto err;
>
> - if (!exist && type == DATA_GENERIC_ENHANCE) {
> - f2fs_err(sbi, "Inconsistent error blkaddr:%u, sit bitmap:%d",
> - blkaddr, exist);
> - set_sbi_flag(sbi, SBI_NEED_FSCK);
> - dump_stack();
> - }
> + return exist;
> +err:
> + f2fs_err(sbi, "Inconsistent error blkaddr:%u, sit bitmap:%d",
> + blkaddr, exist);
> + set_sbi_flag(sbi, SBI_NEED_FSCK);
> + dump_stack();
> + f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
> return exist;
> }
>
> @@ -174,29 +172,29 @@ bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi,
> block_t blkaddr, int type)
> {
> if (time_to_inject(sbi, FAULT_BLKADDR))
> - return false;
> + goto err;
>
> switch (type) {
> case META_NAT:
> break;
> case META_SIT:
> if (unlikely(blkaddr >= SIT_BLK_CNT(sbi)))
> - return false;
> + goto err;
> break;
> case META_SSA:
> if (unlikely(blkaddr >= MAIN_BLKADDR(sbi) ||
> blkaddr < SM_I(sbi)->ssa_blkaddr))
> - return false;
> + goto err;
> break;
> case META_CP:
> if (unlikely(blkaddr >= SIT_I(sbi)->sit_base_addr ||
> blkaddr < __start_cp_addr(sbi)))
> - return false;
> + goto err;
> break;
> case META_POR:
> if (unlikely(blkaddr >= MAX_BLKADDR(sbi) ||
> blkaddr < MAIN_BLKADDR(sbi)))
> - return false;
> + goto err;
> break;
> case DATA_GENERIC:
> case DATA_GENERIC_ENHANCE:
> @@ -213,7 +211,7 @@ bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi,
> blkaddr);
> set_sbi_flag(sbi, SBI_NEED_FSCK);
> dump_stack();
> - return false;
> + goto err;
> } else {
> return __is_bitmap_valid(sbi, blkaddr, type);
> }
> @@ -221,13 +219,16 @@ bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi,
> case META_GENERIC:
> if (unlikely(blkaddr < SEG0_BLKADDR(sbi) ||
> blkaddr >= MAIN_BLKADDR(sbi)))
> - return false;
> + goto err;
> break;
> default:
> BUG();
> }
>
> return true;
> +err:
> + f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
> + return false;
> }
>
> /*
> @@ -256,8 +257,10 @@ int f2fs_ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
> blk_start_plug(&plug);
> for (; nrpages-- > 0; blkno++) {
>
> - if (!f2fs_is_valid_blkaddr(sbi, blkno, type))
> + if (!f2fs_is_valid_blkaddr(sbi, blkno, type)) {
> + err = -EFSCORRUPTED;
> goto out;
> + }
>
> switch (type) {
> case META_NAT:
> diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
> index 36e5dab..bd5acb5 100644
> --- a/fs/f2fs/compress.c
> +++ b/fs/f2fs/compress.c
> @@ -1878,12 +1878,8 @@ void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi, struct page *page,
>
> set_page_private_data(cpage, ino);
>
> - if (!f2fs_is_valid_blkaddr(sbi, blkaddr, DATA_GENERIC_ENHANCE_READ))
> - goto out;
> -
> memcpy(page_address(cpage), page_address(page), PAGE_SIZE);
> SetPageUptodate(cpage);
> -out:
> f2fs_put_page(cpage, 1);
> }
>
> diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
> index 4e42b5f..14b6ea2 100644
> --- a/fs/f2fs/data.c
> +++ b/fs/f2fs/data.c
> @@ -740,10 +740,8 @@ int f2fs_submit_page_bio(struct f2fs_io_info *fio)
>
> if (!f2fs_is_valid_blkaddr(fio->sbi, fio->new_blkaddr,
> fio->is_por ? META_POR : (__is_meta_io(fio) ?
> - META_GENERIC : DATA_GENERIC_ENHANCE))) {
> - f2fs_handle_error(fio->sbi, ERROR_INVALID_BLKADDR);
> + META_GENERIC : DATA_GENERIC_ENHANCE)))
> return -EFSCORRUPTED;
> - }
>
> trace_f2fs_submit_page_bio(page, fio);
>
> @@ -948,10 +946,8 @@ int f2fs_merge_page_bio(struct f2fs_io_info *fio)
> fio->encrypted_page : fio->page;
>
> if (!f2fs_is_valid_blkaddr(fio->sbi, fio->new_blkaddr,
> - __is_meta_io(fio) ? META_GENERIC : DATA_GENERIC)) {
> - f2fs_handle_error(fio->sbi, ERROR_INVALID_BLKADDR);
> + __is_meta_io(fio) ? META_GENERIC : DATA_GENERIC))
> return -EFSCORRUPTED;
> - }
>
> trace_f2fs_submit_page_bio(page, fio);
>
> @@ -1293,8 +1289,6 @@ struct page *f2fs_get_read_data_page(struct inode *inode, pgoff_t index,
> if (!f2fs_is_valid_blkaddr(F2FS_I_SB(inode), dn.data_blkaddr,
> DATA_GENERIC_ENHANCE_READ)) {
> err = -EFSCORRUPTED;
> - f2fs_handle_error(F2FS_I_SB(inode),
> - ERROR_INVALID_BLKADDR);
> goto put_err;
> }
> goto got_it;
> @@ -1320,8 +1314,6 @@ struct page *f2fs_get_read_data_page(struct inode *inode, pgoff_t index,
> dn.data_blkaddr,
> DATA_GENERIC_ENHANCE)) {
> err = -EFSCORRUPTED;
> - f2fs_handle_error(F2FS_I_SB(inode),
> - ERROR_INVALID_BLKADDR);
> goto put_err;
> }
> got_it:
> @@ -1651,7 +1643,6 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map, int flag)
> if (!is_hole &&
> !f2fs_is_valid_blkaddr(sbi, blkaddr, DATA_GENERIC_ENHANCE)) {
> err = -EFSCORRUPTED;
> - f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
> goto sync_out;
> }
>
> @@ -2175,8 +2166,6 @@ static int f2fs_read_single_page(struct inode *inode, struct page *page,
> if (!f2fs_is_valid_blkaddr(F2FS_I_SB(inode), block_nr,
> DATA_GENERIC_ENHANCE_READ)) {
> ret = -EFSCORRUPTED;
> - f2fs_handle_error(F2FS_I_SB(inode),
> - ERROR_INVALID_BLKADDR);
> goto out;
> }
> } else {
> @@ -2309,7 +2298,7 @@ int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret,
> break;
>
> if (!f2fs_is_valid_blkaddr(sbi, blkaddr, DATA_GENERIC)) {
> - ret = -EFAULT;
> + ret = -EFSCORRUPTED;
> goto out_put_dnode;
> }
> cc->nr_cpages++;
> @@ -2719,11 +2708,8 @@ int f2fs_do_write_data_page(struct f2fs_io_info *fio)
> f2fs_lookup_read_extent_cache_block(inode, page->index,
> &fio->old_blkaddr)) {
> if (!f2fs_is_valid_blkaddr(fio->sbi, fio->old_blkaddr,
> - DATA_GENERIC_ENHANCE)) {
> - f2fs_handle_error(fio->sbi,
> - ERROR_INVALID_BLKADDR);
> + DATA_GENERIC_ENHANCE))
> return -EFSCORRUPTED;
> - }
>
> ipu_force = true;
> fio->need_lock = LOCK_DONE;
> @@ -2751,7 +2737,6 @@ int f2fs_do_write_data_page(struct f2fs_io_info *fio)
> !f2fs_is_valid_blkaddr(fio->sbi, fio->old_blkaddr,
> DATA_GENERIC_ENHANCE)) {
> err = -EFSCORRUPTED;
> - f2fs_handle_error(fio->sbi, ERROR_INVALID_BLKADDR);
> goto out_writepage;
> }
>
> @@ -3718,7 +3703,6 @@ static int f2fs_write_begin(struct file *file, struct address_space *mapping,
> if (!f2fs_is_valid_blkaddr(sbi, blkaddr,
> DATA_GENERIC_ENHANCE_READ)) {
> err = -EFSCORRUPTED;
> - f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
> goto fail;
> }
> err = f2fs_submit_page_read(use_cow ?
> diff --git a/fs/f2fs/extent_cache.c b/fs/f2fs/extent_cache.c
> index ad8dfac7..99d0442 100644
> --- a/fs/f2fs/extent_cache.c
> +++ b/fs/f2fs/extent_cache.c
> @@ -43,7 +43,6 @@ bool sanity_check_extent_cache(struct inode *inode)
> if (!f2fs_is_valid_blkaddr(sbi, ei->blk, DATA_GENERIC_ENHANCE) ||
> !f2fs_is_valid_blkaddr(sbi, ei->blk + ei->len - 1,
> DATA_GENERIC_ENHANCE)) {
> - set_sbi_flag(sbi, SBI_NEED_FSCK);
> f2fs_warn(sbi, "%s: inode (ino=%lx) extent info [%u, %u, %u] is incorrect, run fsck to fix",
> __func__, inode->i_ino,
> ei->blk, ei->fofs, ei->len);
> @@ -856,10 +855,8 @@ static int __get_new_block_age(struct inode *inode, struct extent_info *ei,
> goto out;
>
> if (__is_valid_data_blkaddr(blkaddr) &&
> - !f2fs_is_valid_blkaddr(sbi, blkaddr, DATA_GENERIC_ENHANCE)) {
> - f2fs_bug_on(sbi, 1);
> - return -EINVAL;
> - }
> + !f2fs_is_valid_blkaddr(sbi, blkaddr, DATA_GENERIC_ENHANCE))
> + return -EFSCORRUPTED;
> out:
> /*
> * init block age with zero, this can happen when the block age extent
> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
> index 9043ced..e36630c 100644
> --- a/fs/f2fs/f2fs.h
> +++ b/fs/f2fs/f2fs.h
> @@ -3454,14 +3454,13 @@ static inline int get_inline_xattr_addrs(struct inode *inode)
>
> bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi,
> block_t blkaddr, int type);
> +
> static inline void verify_blkaddr(struct f2fs_sb_info *sbi,
> block_t blkaddr, int type)
> {
> - if (!f2fs_is_valid_blkaddr(sbi, blkaddr, type)) {
> + if (!f2fs_is_valid_blkaddr(sbi, blkaddr, type))
> f2fs_err(sbi, "invalid blkaddr: %u, type: %d, run fsck to fix.",
> blkaddr, type);
> - f2fs_bug_on(sbi, 1);
It looks like an impossible case, how about keeping this f2fs_bug_on()?
> - }
> }
>
> static inline bool __is_valid_data_blkaddr(block_t blkaddr)
> diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
> index e503635..3d193a3 100644
> --- a/fs/f2fs/file.c
> +++ b/fs/f2fs/file.c
> @@ -416,7 +416,7 @@ static loff_t f2fs_seek_block(struct file *file, loff_t offset, int whence)
> pgoff_t pgofs, end_offset;
> loff_t data_ofs = offset;
> loff_t isize;
> - int err = 0;
> + int err = -ENXIO;
>
> inode_lock(inode);
>
> @@ -466,6 +466,7 @@ static loff_t f2fs_seek_block(struct file *file, loff_t offset, int whence)
> !f2fs_is_valid_blkaddr(F2FS_I_SB(inode),
> blkaddr, DATA_GENERIC_ENHANCE)) {
> f2fs_put_dnode(&dn);
> + err = -EFSCORRUPTED;
> goto fail;
> }
>
> @@ -487,7 +488,7 @@ static loff_t f2fs_seek_block(struct file *file, loff_t offset, int whence)
> return vfs_setpos(file, data_ofs, maxbytes);
> fail:
> inode_unlock(inode);
> - return -ENXIO;
> + return err;
Can you please check all 'goto found' and 'goto fail' cases?
> }
>
> static loff_t f2fs_llseek(struct file *file, loff_t offset, int whence)
> @@ -1197,7 +1198,6 @@ static int __read_out_blkaddrs(struct inode *inode, block_t *blkaddr,
> !f2fs_is_valid_blkaddr(sbi, *blkaddr,
> DATA_GENERIC_ENHANCE)) {
> f2fs_put_dnode(&dn);
> - f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
> return -EFSCORRUPTED;
> }
>
> @@ -1482,7 +1482,6 @@ static int f2fs_do_zero_range(struct dnode_of_data *dn, pgoff_t start,
> if (!f2fs_is_valid_blkaddr(sbi, dn->data_blkaddr,
> DATA_GENERIC_ENHANCE)) {
> ret = -EFSCORRUPTED;
> - f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
> break;
> }
>
> @@ -3438,10 +3437,8 @@ static int release_compress_blocks(struct dnode_of_data *dn, pgoff_t count)
> if (!__is_valid_data_blkaddr(blkaddr))
> continue;
> if (unlikely(!f2fs_is_valid_blkaddr(sbi, blkaddr,
> - DATA_GENERIC_ENHANCE))) {
> - f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
> + DATA_GENERIC_ENHANCE)))
> return -EFSCORRUPTED;
> - }
> }
>
> while (count) {
> @@ -3604,10 +3601,8 @@ static int reserve_compress_blocks(struct dnode_of_data *dn, pgoff_t count)
> if (!__is_valid_data_blkaddr(blkaddr))
> continue;
> if (unlikely(!f2fs_is_valid_blkaddr(sbi, blkaddr,
> - DATA_GENERIC_ENHANCE))) {
> - f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
> + DATA_GENERIC_ENHANCE)))
> return -EFSCORRUPTED;
> - }
> }
>
> while (count) {
> @@ -3879,8 +3874,6 @@ static int f2fs_sec_trim_file(struct file *filp, unsigned long arg)
> DATA_GENERIC_ENHANCE)) {
> ret = -EFSCORRUPTED;
> f2fs_put_dnode(&dn);
> - f2fs_handle_error(sbi,
> - ERROR_INVALID_BLKADDR);
> goto out;
> }
>
> diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
> index f550cde..2f16f7a 100644
> --- a/fs/f2fs/gc.c
> +++ b/fs/f2fs/gc.c
> @@ -1197,7 +1197,6 @@ static int ra_data_block(struct inode *inode, pgoff_t index)
> if (unlikely(!f2fs_is_valid_blkaddr(sbi, dn.data_blkaddr,
> DATA_GENERIC_ENHANCE_READ))) {
> err = -EFSCORRUPTED;
> - f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
> goto put_page;
> }
> goto got_it;
> @@ -1216,7 +1215,6 @@ static int ra_data_block(struct inode *inode, pgoff_t index)
> if (unlikely(!f2fs_is_valid_blkaddr(sbi, dn.data_blkaddr,
> DATA_GENERIC_ENHANCE))) {
> err = -EFSCORRUPTED;
> - f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
> goto put_page;
> }
> got_it:
> diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
> index 560bfca..05bfb36 100644
> --- a/fs/f2fs/inode.c
> +++ b/fs/f2fs/inode.c
> @@ -83,10 +83,9 @@ static int __written_first_block(struct f2fs_sb_info *sbi,
>
> if (!__is_valid_data_blkaddr(addr))
> return 1;
> - if (!f2fs_is_valid_blkaddr(sbi, addr, DATA_GENERIC_ENHANCE)) {
> - f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
> + if (!f2fs_is_valid_blkaddr(sbi, addr, DATA_GENERIC_ENHANCE))
> return -EFSCORRUPTED;
> - }
> +
> return 0;
This function was removed by a53936361330 ("f2fs: delete obsolete
FI_FIRST_BLOCK_WRITTEN"), can you please rebase code to last dev-test
branch?
> }
>
> diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
> index 6c7f6a6..f6c9cef 100644
> --- a/fs/f2fs/node.c
> +++ b/fs/f2fs/node.c
> @@ -612,7 +612,7 @@ int f2fs_get_node_info(struct f2fs_sb_info *sbi, nid_t nid,
> blkaddr = le32_to_cpu(ne.block_addr);
> if (__is_valid_data_blkaddr(blkaddr) &&
> !f2fs_is_valid_blkaddr(sbi, blkaddr, DATA_GENERIC_ENHANCE))
> - return -EFAULT;
> + return -EFSCORRUPTED;
>
> /* cache nat entry */
> cache_nat_entry(sbi, nid, &ne);
> diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
> index b56d0f1..1a322bb 100644
> --- a/fs/f2fs/recovery.c
> +++ b/fs/f2fs/recovery.c
> @@ -374,7 +374,7 @@ static int sanity_check_node_chain(struct f2fs_sb_info *sbi, block_t blkaddr,
> for (i = 0; i < 2; i++) {
> if (!f2fs_is_valid_blkaddr(sbi, *blkaddr_fast, META_POR)) {
What about introduce DATA_POR and use it here?
And in f2fs_is_valid_blkaddr(), we can handle this case as:
case META_POR:
case DATA_POR:
if (unlikely(blkaddr >= MAX_BLKADDR(sbi) ||
blkaddr < MAIN_BLKADDR(sbi)))
return false;
break;
> *is_detecting = false;
> - return 0;
> + return -EFSCORRUPTED;
I guess we should not return EFSCORRUPTED, because blkaddr_fast can be
invalid as we expect.
> }
>
> page = f2fs_get_tmp_page(sbi, *blkaddr_fast);
> @@ -399,6 +399,7 @@ static int sanity_check_node_chain(struct f2fs_sb_info *sbi, block_t blkaddr,
> if (*blkaddr_fast == blkaddr) {
> f2fs_notice(sbi, "%s: Detect looped node chain on blkaddr:%u."
> " Run fsck to fix it.", __func__, blkaddr);
> + set_sbi_flag(sbi, SBI_NEED_FSCK);
It's not needed, because there will be no checkpoint to persist the flag.
> return -EINVAL;
> }
> return 0;
> @@ -422,7 +423,7 @@ static int find_fsync_dnodes(struct f2fs_sb_info *sbi, struct list_head *head,
> struct fsync_inode_entry *entry;
>
> if (!f2fs_is_valid_blkaddr(sbi, blkaddr, META_POR))
> - return 0;
> + return -EFSCORRUPTED;
Ditto,
>
> page = f2fs_get_tmp_page(sbi, blkaddr);
> if (IS_ERR(page)) {
> @@ -680,14 +681,12 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode,
> if (__is_valid_data_blkaddr(src) &&
> !f2fs_is_valid_blkaddr(sbi, src, META_POR)) {
> err = -EFSCORRUPTED;
> - f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
> goto err;
> }
>
> if (__is_valid_data_blkaddr(dest) &&
> !f2fs_is_valid_blkaddr(sbi, dest, META_POR)) {
> err = -EFSCORRUPTED;
> - f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
> goto err;
> }
>
> @@ -745,8 +744,6 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode,
> f2fs_err(sbi, "Inconsistent dest blkaddr:%u, ino:%lu, ofs:%u",
> dest, inode->i_ino, dn.ofs_in_node);
> err = -EFSCORRUPTED;
> - f2fs_handle_error(sbi,
> - ERROR_INVALID_BLKADDR);
> goto err;
> }
>
> @@ -786,8 +783,10 @@ static int recover_data(struct f2fs_sb_info *sbi, struct list_head *inode_list,
> while (1) {
> struct fsync_inode_entry *entry;
>
> - if (!f2fs_is_valid_blkaddr(sbi, blkaddr, META_POR))
> + if (!f2fs_is_valid_blkaddr(sbi, blkaddr, META_POR)) {
> + err = -EFSCORRUPTED;
I guess we should not return EFSCORRUPTED, because blkaddr can be
invalid as we expect.
Thanks,
> break;
> + }
>
> page = f2fs_get_tmp_page(sbi, blkaddr);
> if (IS_ERR(page)) {
> diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
> index 727d016..e427c3c 100644
> --- a/fs/f2fs/segment.c
> +++ b/fs/f2fs/segment.c
> @@ -334,8 +334,6 @@ static int __f2fs_commit_atomic_write(struct inode *inode)
> DATA_GENERIC_ENHANCE)) {
> f2fs_put_dnode(&dn);
> ret = -EFSCORRUPTED;
> - f2fs_handle_error(sbi,
> - ERROR_INVALID_BLKADDR);
> goto out;
> }
>
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