[PATCH 17/25] fuse: Get rid of bdi_initialized

[Jan Kara]

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

CC: Miklos Szeredi <mik...@szeredi.hu>
CC: linux-fsde...@vger.kernel.org
Suggested-by: Miklos Szeredi <mszer...@redhat.com>
Reviewed-by: Christoph Hellwig <h...@lst.de>
Signed-off-by: Jan Kara <j...@suse.cz>
---
 fs/fuse/dev.c    | 5 ++---
 fs/fuse/fuse_i.h | 3 ---
 fs/fuse/inode.c  | 2 --
 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.
-- 
2.12.0