unify how MD_WRITEBACK bit is set across the code -
one of the files is using a wrapper the rest of the code
directly sets the bit. To avoid confusion remove the wrapper.
Remove the lock and rely on atmoic bitops to make a further
lock reorganization easier.

https://virtuozzo.atlassian.net/browse/VSTOR-91817
Signed-off-by: Alexander Atanasov <alexander.atana...@virtuozzo.com>
---
 drivers/md/dm-ploop-cmd.c | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/drivers/md/dm-ploop-cmd.c b/drivers/md/dm-ploop-cmd.c
index 649e9de029bf..26dc1ff04e8e 100644
--- a/drivers/md/dm-ploop-cmd.c
+++ b/drivers/md/dm-ploop-cmd.c
@@ -278,13 +278,6 @@ static int ploop_write_zero_cluster_sync(struct ploop 
*ploop,
        return ploop_write_cluster_sync(ploop, pio, clu);
 }
 
-static void ploop_make_md_wb(struct ploop *ploop, struct md_page *md)
-{
-       write_lock_irq(&ploop->bat_rwlock);
-       set_bit(MD_WRITEBACK, &md->status);
-       write_unlock_irq(&ploop->bat_rwlock);
-}
-
 static int ploop_grow_relocate_cluster(struct ploop *ploop,
                                       struct ploop_cmd *cmd)
 {
@@ -335,7 +328,7 @@ static int ploop_grow_relocate_cluster(struct ploop *ploop,
                goto out;
        }
 
-       ploop_make_md_wb(ploop, md);
+       set_bit(MD_WRITEBACK, &md->status);
        init_completion(&comp);
        piwb->comp = &comp;
        piwb->comp_bi_status = &bi_status;
@@ -400,7 +393,7 @@ static int ploop_grow_update_header(struct ploop *ploop,
        offset = hdr->m_FirstBlockOffset = cpu_to_le32(first_block_off);
        kunmap_local(hdr);
 
-       ploop_make_md_wb(ploop, md);
+       set_bit(MD_WRITEBACK, &md->status);
        init_completion(&comp);
        piwb->comp = &comp;
        piwb->comp_bi_status = &bi_status;
-- 
2.43.0

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