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| author |   Christoph Hellwig <hch@lst.de> | 2020-01-24 01:01:27 +0800 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2020-01-23 11:40:00 -0700 |
| commit | a702a692cd7559053ea573f4e2c84828f0e62824 (patch) | |
| tree | 8a50b865f2ebfc18ce83e99ba217195dd591ceb7 /drivers/md | |
| parent | bcache: cached_dev_free needs to put the sb page (diff) | |
| download | linux-dev-a702a692cd7559053ea573f4e2c84828f0e62824.tar.xz linux-dev-a702a692cd7559053ea573f4e2c84828f0e62824.zip | |
bcache: use a separate data structure for the on-disk super block
Split out an on-disk version struct cache_sb with the proper endianness
annotations. This fixes a fair chunk of sparse warnings, but there are
some left due to the way the checksum is defined.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Coly Li <colyli@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/bcache/super.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index a573ce1d85aa..3045f27e0d67 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -63,14 +63,14 @@ static const char *read_super(struct cache_sb *sb, struct block_device *bdev, struct page **res) { const char *err; - struct cache_sb *s; + struct cache_sb_disk *s; struct buffer_head *bh = __bread(bdev, 1, SB_SIZE); unsigned int i; if (!bh) return "IO error"; - s = (struct cache_sb *) bh->b_data; + s = (struct cache_sb_disk *)bh->b_data; sb->offset = le64_to_cpu(s->offset); sb->version = le64_to_cpu(s->version); @@ -209,7 +209,7 @@ static void write_bdev_super_endio(struct bio *bio) static void __write_super(struct cache_sb *sb, struct bio *bio) { - struct cache_sb *out = page_address(bio_first_page_all(bio)); + struct cache_sb_disk *out = page_address(bio_first_page_all(bio)); unsigned int i; bio->bi_iter.bi_sector = SB_SECTOR; |