HID: asus: Add support for 2021 ASUS N-Key keyboard

[mirror_ubuntu-hirsute-kernel.git] / drivers / md / dm-bufio.c

diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index 9c1a86bde658e48b67dcc67058d01de0c15d6e12..50f3e673729c351b3e9173d8303728091bef14b1 100644 (file)
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -1526,6 +1526,10 @@ EXPORT_SYMBOL_GPL(dm_bufio_get_block_size);
 sector_t dm_bufio_get_device_size(struct dm_bufio_client *c)
 {
        sector_t s = i_size_read(c->bdev->bd_inode) >> SECTOR_SHIFT;
+       if (s >= c->start)
+               s -= c->start;
+       else
+               s = 0;
        if (likely(c->sectors_per_block_bits >= 0))
                s >>= c->sectors_per_block_bits;
        else
@@ -1534,6 +1538,12 @@ sector_t dm_bufio_get_device_size(struct dm_bufio_client *c)
 }
 EXPORT_SYMBOL_GPL(dm_bufio_get_device_size);
 
+struct dm_io_client *dm_bufio_get_dm_io_client(struct dm_bufio_client *c)
+{
+       return c->dm_io;
+}
+EXPORT_SYMBOL_GPL(dm_bufio_get_dm_io_client);
+
 sector_t dm_bufio_get_block_number(struct dm_buffer *b)
 {
        return b->block;