2023-05-10 09:04:38

by Jinyoung Choi

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Subject: [PATCH v2 03/14] block: bio-integrity: cleanup bio_integrity_prep

If a problem occurs in the process of creating an integrity payload, the
status of bio is always BLK_STS_RESOURCE.

Cc: Christoph Hellwig <[email protected]>
Cc: Martin K. Petersen <[email protected]>

Reviewed-by: Christoph Hellwig <[email protected]>
Signed-off-by: Jinyoung Choi <[email protected]>
---
block/bio-integrity.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/block/bio-integrity.c b/block/bio-integrity.c
index 20444ec447cb..c49deed67bb2 100644
--- a/block/bio-integrity.c
+++ b/block/bio-integrity.c
@@ -245,7 +245,6 @@ bool bio_integrity_prep(struct bio *bio)
unsigned int len, nr_pages;
unsigned int bytes, offset, i;
unsigned int intervals;
- blk_status_t status;

if (!bi)
return true;
@@ -274,7 +273,6 @@ bool bio_integrity_prep(struct bio *bio)
/* Allocate kernel buffer for protection data */
len = intervals * bi->tuple_size;
buf = kmalloc(len, GFP_NOIO);
- status = BLK_STS_RESOURCE;
if (unlikely(buf == NULL)) {
printk(KERN_ERR "could not allocate integrity buffer\n");
goto err_end_io;
@@ -289,7 +287,6 @@ bool bio_integrity_prep(struct bio *bio)
if (IS_ERR(bip)) {
printk(KERN_ERR "could not allocate data integrity bioset\n");
kfree(buf);
- status = BLK_STS_RESOURCE;
goto err_end_io;
}

@@ -313,7 +310,6 @@ bool bio_integrity_prep(struct bio *bio)
if (bio_integrity_add_page(bio, virt_to_page(buf),
bytes, offset) < bytes) {
printk(KERN_ERR "could not attach integrity payload\n");
- status = BLK_STS_RESOURCE;
goto err_end_io;
}

@@ -332,10 +328,9 @@ bool bio_integrity_prep(struct bio *bio)
return true;

err_end_io:
- bio->bi_status = status;
+ bio->bi_status = BLK_STS_RESOURCE;
bio_endio(bio);
return false;
-
}
EXPORT_SYMBOL(bio_integrity_prep);

--
2.34.1


2023-05-12 14:07:55

by Christoph Hellwig

[permalink] [raw]
Subject: Re: [PATCH v2 03/14] block: bio-integrity: cleanup bio_integrity_prep

I find these "block: bio-integrity:" very unreadable. It seems like
a lot of commits just use block, which looks neater to me. The same
also applies to many of the other patches.

The patch itself looks good to me:

Reviewed-by: Christoph Hellwig <[email protected]>