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btrfs: raid56: open code rbio_stripe_page_index()

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There is only one caller for that helper now, and we're definitely fine
to open-code it.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Qu Wenruo 2022-04-01 19:23:25 +08:00 committed by David Sterba
parent 1145059ae5
commit f77183dc1f
1 changed files with 1 additions and 6 deletions
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7
fs/btrfs/raid56.c
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@ -701,11 +701,6 @@ static struct sector_ptr *rbio_qstripe_sector(const struct btrfs_raid_bio *rbio,
return rbio_stripe_sector(rbio, rbio->nr_data + 1, sector_nr);
}
static int rbio_stripe_page_index(struct btrfs_raid_bio *rbio, int stripe, int index)
{
return stripe * rbio->stripe_npages + index;
}
/*
* The first stripe in the table for a logical address
* has the lock. rbios are added in one of three ways:
@ -1116,7 +1111,7 @@ static int alloc_rbio_pages(struct btrfs_raid_bio *rbio)
/* only allocate pages for p/q stripes */
static int alloc_rbio_parity_pages(struct btrfs_raid_bio *rbio)
{
int data_pages = rbio_stripe_page_index(rbio, rbio->nr_data, 0);
const int data_pages = rbio->nr_data * rbio->stripe_npages;
int ret;
ret = btrfs_alloc_page_array(rbio->nr_pages - data_pages,