* [PATCH v2] f2fs: check blkaddr more accuratly before issue a bio
@ 2018-03-05 7:07 Yunlei He
2018-03-05 10:24 ` Sahitya Tummala
2018-03-08 1:44 ` Chao Yu
0 siblings, 2 replies; 4+ messages in thread
From: Yunlei He @ 2018-03-05 7:07 UTC (permalink / raw)
To: jaegeuk, yuchao0, linux-f2fs-devel; +Cc: heyunlei
This patch check blkaddr more accuratly before issue a
write or read bio.
Signed-off-by: Yunlei He <heyunlei@huawei.com>
---
fs/f2fs/checkpoint.c | 2 ++
fs/f2fs/data.c | 5 +++--
fs/f2fs/f2fs.h | 1 +
fs/f2fs/segment.h | 29 +++++++++++++++++++++++++----
4 files changed, 31 insertions(+), 6 deletions(-)
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 5b2db75..bf77946 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -68,6 +68,7 @@ static struct page *__get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index,
.old_blkaddr = index,
.new_blkaddr = index,
.encrypted_page = NULL,
+ .is_meta = is_meta,
};
if (unlikely(!is_meta))
@@ -162,6 +163,7 @@ int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
.op_flags = sync ? (REQ_META | REQ_PRIO) : REQ_RAHEAD,
.encrypted_page = NULL,
.in_list = false,
+ .is_meta = (type != META_POR),
};
struct blk_plug plug;
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 6c3c978..de036e8 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -383,6 +383,7 @@ int f2fs_submit_page_bio(struct f2fs_io_info *fio)
struct page *page = fio->encrypted_page ?
fio->encrypted_page : fio->page;
+ verify_block_addr(fio, fio->new_blkaddr);
trace_f2fs_submit_page_bio(page, fio);
f2fs_trace_ios(fio, 0);
@@ -428,8 +429,8 @@ int f2fs_submit_page_write(struct f2fs_io_info *fio)
}
if (fio->old_blkaddr != NEW_ADDR)
- verify_block_addr(sbi, fio->old_blkaddr);
- verify_block_addr(sbi, fio->new_blkaddr);
+ verify_block_addr(fio, fio->old_blkaddr);
+ verify_block_addr(fio, fio->new_blkaddr);
bio_page = fio->encrypted_page ? fio->encrypted_page : fio->page;
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index f6dc706..842adea 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -980,6 +980,7 @@ struct f2fs_io_info {
bool submitted; /* indicate IO submission */
int need_lock; /* indicate we need to lock cp_rwsem */
bool in_list; /* indicate fio is in io_list */
+ bool is_meta; /* indicate borrow meta inode mapping or not */
enum iostat_type io_type; /* io type */
struct writeback_control *io_wbc; /* writeback control */
};
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index dbb774aa..dabe400 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -632,10 +632,31 @@ static inline void check_seg_range(struct f2fs_sb_info *sbi, unsigned int segno)
f2fs_bug_on(sbi, segno > TOTAL_SEGS(sbi) - 1);
}
-static inline void verify_block_addr(struct f2fs_sb_info *sbi, block_t blk_addr)
-{
- BUG_ON(blk_addr < SEG0_BLKADDR(sbi)
- || blk_addr >= MAX_BLKADDR(sbi));
+static inline void verify_block_addr(struct f2fs_io_info *fio, block_t blk_addr)
+{
+ struct f2fs_sb_info *sbi = fio->sbi;
+ enum page_type btype = PAGE_TYPE_OF_BIO(fio->type);
+ struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
+ block_t seg0_blkaddr = le32_to_cpu(raw_super->segment0_blkaddr);
+ block_t main_blkaddr = le32_to_cpu(raw_super->main_blkaddr);
+ block_t max_blkaddr = (le32_to_cpu(raw_super->segment_count)
+ << sbi->log_blocks_per_seg) + seg0_blkaddr;
+
+ if (is_read_io(fio->op)) {
+ if (btype == META && fio->is_meta)
+ BUG_ON(blk_addr < seg0_blkaddr
+ || blk_addr >= main_blkaddr);
+ else
+ BUG_ON(blk_addr < main_blkaddr
+ || blk_addr >= max_blkaddr);
+ } else {
+ if (btype == META)
+ BUG_ON(blk_addr < seg0_blkaddr
+ || blk_addr >= main_blkaddr);
+ else
+ BUG_ON(blk_addr < main_blkaddr
+ || blk_addr >= max_blkaddr);
+ }
}
/*
--
1.9.1
------------------------------------------------------------------------------
Check out the vibrant tech community on one of the world's most
engaging tech sites, Slashdot.org! http://sdm.link/slashdot
^ permalink raw reply related [flat|nested] 4+ messages in thread* Re: [PATCH v2] f2fs: check blkaddr more accuratly before issue a bio
2018-03-05 7:07 [PATCH v2] f2fs: check blkaddr more accuratly before issue a bio Yunlei He
@ 2018-03-05 10:24 ` Sahitya Tummala
2018-03-05 11:35 ` heyunlei
2018-03-08 1:44 ` Chao Yu
1 sibling, 1 reply; 4+ messages in thread
From: Sahitya Tummala @ 2018-03-05 10:24 UTC (permalink / raw)
To: Yunlei He; +Cc: jaegeuk, linux-f2fs-devel
On Mon, Mar 05, 2018 at 03:07:06PM +0800, Yunlei He wrote:
> This patch check blkaddr more accuratly before issue a
> write or read bio.
>
> Signed-off-by: Yunlei He <heyunlei@huawei.com>
> ---
> fs/f2fs/checkpoint.c | 2 ++
> fs/f2fs/data.c | 5 +++--
> fs/f2fs/f2fs.h | 1 +
> fs/f2fs/segment.h | 29 +++++++++++++++++++++++++----
> 4 files changed, 31 insertions(+), 6 deletions(-)
>
> diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
> index 5b2db75..bf77946 100644
> --- a/fs/f2fs/checkpoint.c
> +++ b/fs/f2fs/checkpoint.c
> @@ -68,6 +68,7 @@ static struct page *__get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index,
> .old_blkaddr = index,
> .new_blkaddr = index,
> .encrypted_page = NULL,
> + .is_meta = is_meta,
> };
>
> if (unlikely(!is_meta))
> @@ -162,6 +163,7 @@ int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
> .op_flags = sync ? (REQ_META | REQ_PRIO) : REQ_RAHEAD,
> .encrypted_page = NULL,
> .in_list = false,
> + .is_meta = (type != META_POR),
> };
> struct blk_plug plug;
>
> diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
> index 6c3c978..de036e8 100644
> --- a/fs/f2fs/data.c
> +++ b/fs/f2fs/data.c
> @@ -383,6 +383,7 @@ int f2fs_submit_page_bio(struct f2fs_io_info *fio)
> struct page *page = fio->encrypted_page ?
> fio->encrypted_page : fio->page;
>
> + verify_block_addr(fio, fio->new_blkaddr);
> trace_f2fs_submit_page_bio(page, fio);
> f2fs_trace_ios(fio, 0);
>
> @@ -428,8 +429,8 @@ int f2fs_submit_page_write(struct f2fs_io_info *fio)
> }
>
> if (fio->old_blkaddr != NEW_ADDR)
> - verify_block_addr(sbi, fio->old_blkaddr);
> - verify_block_addr(sbi, fio->new_blkaddr);
> + verify_block_addr(fio, fio->old_blkaddr);
> + verify_block_addr(fio, fio->new_blkaddr);
>
> bio_page = fio->encrypted_page ? fio->encrypted_page : fio->page;
>
> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
> index f6dc706..842adea 100644
> --- a/fs/f2fs/f2fs.h
> +++ b/fs/f2fs/f2fs.h
> @@ -980,6 +980,7 @@ struct f2fs_io_info {
> bool submitted; /* indicate IO submission */
> int need_lock; /* indicate we need to lock cp_rwsem */
> bool in_list; /* indicate fio is in io_list */
> + bool is_meta; /* indicate borrow meta inode mapping or not */
> enum iostat_type io_type; /* io type */
> struct writeback_control *io_wbc; /* writeback control */
> };
> diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
> index dbb774aa..dabe400 100644
> --- a/fs/f2fs/segment.h
> +++ b/fs/f2fs/segment.h
> @@ -632,10 +632,31 @@ static inline void check_seg_range(struct f2fs_sb_info *sbi, unsigned int segno)
> f2fs_bug_on(sbi, segno > TOTAL_SEGS(sbi) - 1);
> }
>
> -static inline void verify_block_addr(struct f2fs_sb_info *sbi, block_t blk_addr)
> -{
> - BUG_ON(blk_addr < SEG0_BLKADDR(sbi)
> - || blk_addr >= MAX_BLKADDR(sbi));
> +static inline void verify_block_addr(struct f2fs_io_info *fio, block_t blk_addr)
> +{
> + struct f2fs_sb_info *sbi = fio->sbi;
> + enum page_type btype = PAGE_TYPE_OF_BIO(fio->type);
> + struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
> + block_t seg0_blkaddr = le32_to_cpu(raw_super->segment0_blkaddr);
> + block_t main_blkaddr = le32_to_cpu(raw_super->main_blkaddr);
> + block_t max_blkaddr = (le32_to_cpu(raw_super->segment_count)
> + << sbi->log_blocks_per_seg) + seg0_blkaddr;
Why not use the existing macros - MAIN_BLKADDR, SEG0_BLKADDR and MAX_BLKADDR?
> +
> + if (is_read_io(fio->op)) {
> + if (btype == META && fio->is_meta)
> + BUG_ON(blk_addr < seg0_blkaddr
> + || blk_addr >= main_blkaddr);
> + else
> + BUG_ON(blk_addr < main_blkaddr
> + || blk_addr >= max_blkaddr);
> + } else {
> + if (btype == META)
> + BUG_ON(blk_addr < seg0_blkaddr
> + || blk_addr >= main_blkaddr);
> + else
> + BUG_ON(blk_addr < main_blkaddr
> + || blk_addr >= max_blkaddr);
> + }
> }
>
> /*
> --
> 1.9.1
>
>
> ------------------------------------------------------------------------------
> Check out the vibrant tech community on one of the world's most
> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
> _______________________________________________
> Linux-f2fs-devel mailing list
> Linux-f2fs-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
--
--
Sent by a consultant of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.
------------------------------------------------------------------------------
Check out the vibrant tech community on one of the world's most
engaging tech sites, Slashdot.org! http://sdm.link/slashdot
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH v2] f2fs: check blkaddr more accuratly before issue a bio
2018-03-05 10:24 ` Sahitya Tummala
@ 2018-03-05 11:35 ` heyunlei
0 siblings, 0 replies; 4+ messages in thread
From: heyunlei @ 2018-03-05 11:35 UTC (permalink / raw)
To: Sahitya Tummala
Cc: jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net
>-----Original Message-----
>From: Sahitya Tummala [mailto:stummala@codeaurora.org]
>Sent: Monday, March 05, 2018 6:24 PM
>To: heyunlei
>Cc: jaegeuk@kernel.org; Yuchao (T); linux-f2fs-devel@lists.sourceforge.net
>Subject: Re: [f2fs-dev] [PATCH v2] f2fs: check blkaddr more accuratly before issue a bio
>
>On Mon, Mar 05, 2018 at 03:07:06PM +0800, Yunlei He wrote:
>> This patch check blkaddr more accuratly before issue a
>> write or read bio.
>>
>> Signed-off-by: Yunlei He <heyunlei@huawei.com>
>> ---
>> fs/f2fs/checkpoint.c | 2 ++
>> fs/f2fs/data.c | 5 +++--
>> fs/f2fs/f2fs.h | 1 +
>> fs/f2fs/segment.h | 29 +++++++++++++++++++++++++----
>> 4 files changed, 31 insertions(+), 6 deletions(-)
>>
>> diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
>> index 5b2db75..bf77946 100644
>> --- a/fs/f2fs/checkpoint.c
>> +++ b/fs/f2fs/checkpoint.c
>> @@ -68,6 +68,7 @@ static struct page *__get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index,
>> .old_blkaddr = index,
>> .new_blkaddr = index,
>> .encrypted_page = NULL,
>> + .is_meta = is_meta,
>> };
>>
>> if (unlikely(!is_meta))
>> @@ -162,6 +163,7 @@ int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
>> .op_flags = sync ? (REQ_META | REQ_PRIO) : REQ_RAHEAD,
>> .encrypted_page = NULL,
>> .in_list = false,
>> + .is_meta = (type != META_POR),
>> };
>> struct blk_plug plug;
>>
>> diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
>> index 6c3c978..de036e8 100644
>> --- a/fs/f2fs/data.c
>> +++ b/fs/f2fs/data.c
>> @@ -383,6 +383,7 @@ int f2fs_submit_page_bio(struct f2fs_io_info *fio)
>> struct page *page = fio->encrypted_page ?
>> fio->encrypted_page : fio->page;
>>
>> + verify_block_addr(fio, fio->new_blkaddr);
>> trace_f2fs_submit_page_bio(page, fio);
>> f2fs_trace_ios(fio, 0);
>>
>> @@ -428,8 +429,8 @@ int f2fs_submit_page_write(struct f2fs_io_info *fio)
>> }
>>
>> if (fio->old_blkaddr != NEW_ADDR)
>> - verify_block_addr(sbi, fio->old_blkaddr);
>> - verify_block_addr(sbi, fio->new_blkaddr);
>> + verify_block_addr(fio, fio->old_blkaddr);
>> + verify_block_addr(fio, fio->new_blkaddr);
>>
>> bio_page = fio->encrypted_page ? fio->encrypted_page : fio->page;
>>
>> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
>> index f6dc706..842adea 100644
>> --- a/fs/f2fs/f2fs.h
>> +++ b/fs/f2fs/f2fs.h
>> @@ -980,6 +980,7 @@ struct f2fs_io_info {
>> bool submitted; /* indicate IO submission */
>> int need_lock; /* indicate we need to lock cp_rwsem */
>> bool in_list; /* indicate fio is in io_list */
>> + bool is_meta; /* indicate borrow meta inode mapping or not */
>> enum iostat_type io_type; /* io type */
>> struct writeback_control *io_wbc; /* writeback control */
>> };
>> diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
>> index dbb774aa..dabe400 100644
>> --- a/fs/f2fs/segment.h
>> +++ b/fs/f2fs/segment.h
>> @@ -632,10 +632,31 @@ static inline void check_seg_range(struct f2fs_sb_info *sbi, unsigned int segno)
>> f2fs_bug_on(sbi, segno > TOTAL_SEGS(sbi) - 1);
>> }
>>
>> -static inline void verify_block_addr(struct f2fs_sb_info *sbi, block_t blk_addr)
>> -{
>> - BUG_ON(blk_addr < SEG0_BLKADDR(sbi)
>> - || blk_addr >= MAX_BLKADDR(sbi));
>> +static inline void verify_block_addr(struct f2fs_io_info *fio, block_t blk_addr)
>> +{
>> + struct f2fs_sb_info *sbi = fio->sbi;
>> + enum page_type btype = PAGE_TYPE_OF_BIO(fio->type);
>> + struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
>> + block_t seg0_blkaddr = le32_to_cpu(raw_super->segment0_blkaddr);
>> + block_t main_blkaddr = le32_to_cpu(raw_super->main_blkaddr);
>> + block_t max_blkaddr = (le32_to_cpu(raw_super->segment_count)
>> + << sbi->log_blocks_per_seg) + seg0_blkaddr;
>
>Why not use the existing macros - MAIN_BLKADDR, SEG0_BLKADDR and MAX_BLKADDR?
Some read io during mount process will issue before segment manager init, which will
conduct panic.
Thanks.
>
>> +
>> + if (is_read_io(fio->op)) {
>> + if (btype == META && fio->is_meta)
>> + BUG_ON(blk_addr < seg0_blkaddr
>> + || blk_addr >= main_blkaddr);
>> + else
>> + BUG_ON(blk_addr < main_blkaddr
>> + || blk_addr >= max_blkaddr);
>> + } else {
>> + if (btype == META)
>> + BUG_ON(blk_addr < seg0_blkaddr
>> + || blk_addr >= main_blkaddr);
>> + else
>> + BUG_ON(blk_addr < main_blkaddr
>> + || blk_addr >= max_blkaddr);
>> + }
>> }
>>
>> /*
>> --
>> 1.9.1
>>
>>
>> ------------------------------------------------------------------------------
>> Check out the vibrant tech community on one of the world's most
>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
>> _______________________________________________
>> Linux-f2fs-devel mailing list
>> Linux-f2fs-devel@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
>
>--
>--
>Sent by a consultant of the Qualcomm Innovation Center, Inc.
>The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.
------------------------------------------------------------------------------
Check out the vibrant tech community on one of the world's most
engaging tech sites, Slashdot.org! http://sdm.link/slashdot
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH v2] f2fs: check blkaddr more accuratly before issue a bio
2018-03-05 7:07 [PATCH v2] f2fs: check blkaddr more accuratly before issue a bio Yunlei He
2018-03-05 10:24 ` Sahitya Tummala
@ 2018-03-08 1:44 ` Chao Yu
1 sibling, 0 replies; 4+ messages in thread
From: Chao Yu @ 2018-03-08 1:44 UTC (permalink / raw)
To: Yunlei He, jaegeuk, linux-f2fs-devel
On 2018/3/5 15:07, Yunlei He wrote:
> This patch check blkaddr more accuratly before issue a
> write or read bio.
>
> Signed-off-by: Yunlei He <heyunlei@huawei.com>
> ---
> fs/f2fs/checkpoint.c | 2 ++
> fs/f2fs/data.c | 5 +++--
> fs/f2fs/f2fs.h | 1 +
> fs/f2fs/segment.h | 29 +++++++++++++++++++++++++----
> 4 files changed, 31 insertions(+), 6 deletions(-)
>
> diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
> index 5b2db75..bf77946 100644
> --- a/fs/f2fs/checkpoint.c
> +++ b/fs/f2fs/checkpoint.c
> @@ -68,6 +68,7 @@ static struct page *__get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index,
> .old_blkaddr = index,
> .new_blkaddr = index,
> .encrypted_page = NULL,
> + .is_meta = is_meta,
> };
>
> if (unlikely(!is_meta))
> @@ -162,6 +163,7 @@ int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
> .op_flags = sync ? (REQ_META | REQ_PRIO) : REQ_RAHEAD,
> .encrypted_page = NULL,
> .in_list = false,
> + .is_meta = (type != META_POR),
> };
> struct blk_plug plug;
>
> diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
> index 6c3c978..de036e8 100644
> --- a/fs/f2fs/data.c
> +++ b/fs/f2fs/data.c
> @@ -383,6 +383,7 @@ int f2fs_submit_page_bio(struct f2fs_io_info *fio)
> struct page *page = fio->encrypted_page ?
> fio->encrypted_page : fio->page;
>
> + verify_block_addr(fio, fio->new_blkaddr);
> trace_f2fs_submit_page_bio(page, fio);
> f2fs_trace_ios(fio, 0);
>
> @@ -428,8 +429,8 @@ int f2fs_submit_page_write(struct f2fs_io_info *fio)
> }
>
> if (fio->old_blkaddr != NEW_ADDR)
> - verify_block_addr(sbi, fio->old_blkaddr);
> - verify_block_addr(sbi, fio->new_blkaddr);
> + verify_block_addr(fio, fio->old_blkaddr);
> + verify_block_addr(fio, fio->new_blkaddr);
>
> bio_page = fio->encrypted_page ? fio->encrypted_page : fio->page;
>
> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
> index f6dc706..842adea 100644
> --- a/fs/f2fs/f2fs.h
> +++ b/fs/f2fs/f2fs.h
> @@ -980,6 +980,7 @@ struct f2fs_io_info {
> bool submitted; /* indicate IO submission */
> int need_lock; /* indicate we need to lock cp_rwsem */
> bool in_list; /* indicate fio is in io_list */
> + bool is_meta; /* indicate borrow meta inode mapping or not */
> enum iostat_type io_type; /* io type */
> struct writeback_control *io_wbc; /* writeback control */
> };
> diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
> index dbb774aa..dabe400 100644
> --- a/fs/f2fs/segment.h
> +++ b/fs/f2fs/segment.h
> @@ -632,10 +632,31 @@ static inline void check_seg_range(struct f2fs_sb_info *sbi, unsigned int segno)
> f2fs_bug_on(sbi, segno > TOTAL_SEGS(sbi) - 1);
> }
>
> -static inline void verify_block_addr(struct f2fs_sb_info *sbi, block_t blk_addr)
> -{
> - BUG_ON(blk_addr < SEG0_BLKADDR(sbi)
> - || blk_addr >= MAX_BLKADDR(sbi));
> +static inline void verify_block_addr(struct f2fs_io_info *fio, block_t blk_addr)
> +{
> + struct f2fs_sb_info *sbi = fio->sbi;
> + enum page_type btype = PAGE_TYPE_OF_BIO(fio->type);
> + struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
> + block_t seg0_blkaddr = le32_to_cpu(raw_super->segment0_blkaddr);
> + block_t main_blkaddr = le32_to_cpu(raw_super->main_blkaddr);
> + block_t max_blkaddr = (le32_to_cpu(raw_super->segment_count)
> + << sbi->log_blocks_per_seg) + seg0_blkaddr;
> +
> + if (is_read_io(fio->op)) {
> + if (btype == META && fio->is_meta)
> + BUG_ON(blk_addr < seg0_blkaddr
> + || blk_addr >= main_blkaddr);
> + else
> + BUG_ON(blk_addr < main_blkaddr
> + || blk_addr >= max_blkaddr);
> + } else {
> + if (btype == META)
> + BUG_ON(blk_addr < seg0_blkaddr
> + || blk_addr >= main_blkaddr);
> + else
> + BUG_ON(blk_addr < main_blkaddr
> + || blk_addr >= max_blkaddr);
> + }
How about:
if (btype == META && (!is_read_io || fio->is_meta))
check_meta_area_range;
else
check_main_area_range;
Thanks,
> }
>
> /*
>
------------------------------------------------------------------------------
Check out the vibrant tech community on one of the world's most
engaging tech sites, Slashdot.org! http://sdm.link/slashdot
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2018-03-08 1:45 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2018-03-05 7:07 [PATCH v2] f2fs: check blkaddr more accuratly before issue a bio Yunlei He
2018-03-05 10:24 ` Sahitya Tummala
2018-03-05 11:35 ` heyunlei
2018-03-08 1:44 ` Chao Yu
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.