ceph: Convert to separately allocated bdi

Allocate struct backing_dev_info separately instead of embedding it
inside client structure. This unifies handling of bdi among users.

CC: Ilya Dryomov <idryomov@gmail.com>
CC: "Yan, Zheng" <zyan@redhat.com>
CC: Sage Weil <sage@redhat.com>
CC: ceph-devel@vger.kernel.org
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 1a3e1b40799a..9ecb2fd348cb 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -578,7 +578,7 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc)
         writeback_stat = atomic_long_inc_return(&fsc->writeback_count);
         if (writeback_stat >
             CONGESTION_ON_THRESH(fsc->mount_options->congestion_kb))
-                set_bdi_congested(&fsc->backing_dev_info, BLK_RW_ASYNC);
+                set_bdi_congested(inode_to_bdi(inode), BLK_RW_ASYNC);
 
         set_page_writeback(page);
         err = ceph_osdc_writepages(osdc, ceph_vino(inode),
@@ -700,7 +700,7 @@ static void writepages_finish(struct ceph_osd_request *req)
                         if (atomic_long_dec_return(&fsc->writeback_count) <
                              CONGESTION_OFF_THRESH(
                                         fsc->mount_options->congestion_kb))
-                                clear_bdi_congested(&fsc->backing_dev_info,
+                                clear_bdi_congested(inode_to_bdi(inode),
                                                     BLK_RW_ASYNC);
 
                         if (rc < 0)
@@ -979,7 +979,7 @@ get_more_pages:
                         if (atomic_long_inc_return(&fsc->writeback_count) >
                             CONGESTION_ON_THRESH(
                                     fsc->mount_options->congestion_kb)) {
-                                set_bdi_congested(&fsc->backing_dev_info,
+                                set_bdi_congested(inode_to_bdi(inode),
                                                   BLK_RW_ASYNC);
                         }