fs/buffer.c: massage the remaining users of ->bd_inode to ->bd_mapping

both for ->i_blkbits and both want the address_space in question anyway.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2024-04-28 19:41:13 -04:00
parent 881494ed03
commit 53cd4cd3b1

View file

@ -189,8 +189,8 @@ EXPORT_SYMBOL(end_buffer_write_sync);
static struct buffer_head *
__find_get_block_slow(struct block_device *bdev, sector_t block)
{
struct inode *bd_inode = bdev->bd_inode;
struct address_space *bd_mapping = bd_inode->i_mapping;
struct address_space *bd_mapping = bdev->bd_mapping;
const int blkbits = bd_mapping->host->i_blkbits;
struct buffer_head *ret = NULL;
pgoff_t index;
struct buffer_head *bh;
@ -199,7 +199,7 @@ __find_get_block_slow(struct block_device *bdev, sector_t block)
int all_mapped = 1;
static DEFINE_RATELIMIT_STATE(last_warned, HZ, 1);
index = ((loff_t)block << bd_inode->i_blkbits) / PAGE_SIZE;
index = ((loff_t)block << blkbits) / PAGE_SIZE;
folio = __filemap_get_folio(bd_mapping, index, FGP_ACCESSED, 0);
if (IS_ERR(folio))
goto out;
@ -233,7 +233,7 @@ __find_get_block_slow(struct block_device *bdev, sector_t block)
(unsigned long long)block,
(unsigned long long)bh->b_blocknr,
bh->b_state, bh->b_size, bdev,
1 << bd_inode->i_blkbits);
1 << blkbits);
}
out_unlock:
spin_unlock(&bd_mapping->i_private_lock);
@ -1696,16 +1696,16 @@ EXPORT_SYMBOL(create_empty_buffers);
*/
void clean_bdev_aliases(struct block_device *bdev, sector_t block, sector_t len)
{
struct inode *bd_inode = bdev->bd_inode;
struct address_space *bd_mapping = bd_inode->i_mapping;
struct address_space *bd_mapping = bdev->bd_mapping;
const int blkbits = bd_mapping->host->i_blkbits;
struct folio_batch fbatch;
pgoff_t index = ((loff_t)block << bd_inode->i_blkbits) / PAGE_SIZE;
pgoff_t index = ((loff_t)block << blkbits) / PAGE_SIZE;
pgoff_t end;
int i, count;
struct buffer_head *bh;
struct buffer_head *head;
end = ((loff_t)(block + len - 1) << bd_inode->i_blkbits) / PAGE_SIZE;
end = ((loff_t)(block + len - 1) << blkbits) / PAGE_SIZE;
folio_batch_init(&fbatch);
while (filemap_get_folios(bd_mapping, &index, end, &fbatch)) {
count = folio_batch_count(&fbatch);