fuse: Get rid of bdi_initialized

It is not needed anymore since bdi is initialized whenever superblock
exists.

CC: Miklos Szeredi <miklos@szeredi.hu>
CC: linux-fsdevel@vger.kernel.org
Suggested-by: Miklos Szeredi <mszeredi@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>

3 files changed, 2 insertions, 8 deletions

diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 78887f68ee6a..c2d7f3a92679 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -382,7 +382,7 @@ static void request_end(struct fuse_conn *fc, struct fuse_req *req)
                         wake_up(&fc->blocked_waitq);
 
                 if (fc->num_background == fc->congestion_threshold &&
-                    fc->connected && fc->bdi_initialized) {
+                    fc->connected && fc->sb) {
                         clear_bdi_congested(fc->sb->s_bdi, BLK_RW_SYNC);
                         clear_bdi_congested(fc->sb->s_bdi, BLK_RW_ASYNC);
                 }
@@ -573,8 +573,7 @@ void fuse_request_send_background_locked(struct fuse_conn *fc,
         fc->num_background++;
         if (fc->num_background == fc->max_background)
                 fc->blocked = 1;
-        if (fc->num_background == fc->congestion_threshold &&
-            fc->bdi_initialized) {
+        if (fc->num_background == fc->congestion_threshold && fc->sb) {
                 set_bdi_congested(fc->sb->s_bdi, BLK_RW_SYNC);
                 set_bdi_congested(fc->sb->s_bdi, BLK_RW_ASYNC);
         }
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 0e7c79a390e0..f33341d9501a 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -527,9 +527,6 @@ struct fuse_conn {
         /** Filesystem supports NFS exporting.  Only set in INIT */
         unsigned export_support:1;
 
-        /** Set if bdi is valid */
-        unsigned bdi_initialized:1;
-
         /** write-back cache policy (default is write-through) */
         unsigned writeback_cache:1;
 
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 90bacbc87fb3..73cf05135252 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -983,8 +983,6 @@ static int fuse_bdi_init(struct fuse_conn *fc, struct super_block *sb)
         /* fuse does it's own writeback accounting */
         sb->s_bdi->capabilities = BDI_CAP_NO_ACCT_WB | BDI_CAP_STRICTLIMIT;
 
-        fc->bdi_initialized = 1;
-
         /*
          * For a single fuse filesystem use max 1% of dirty +
          * writeback threshold.