nfs: Convert to separately allocated bdi

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

CC: Anna Schumaker <anna.schumaker@netapp.com>
CC: linux-nfs@vger.kernel.org
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
Acked-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Jan Kara
2017-04-12 12:24:45 +02:00
committed by Jens Axboe
parent a0349ec00f
commit 0db10944a7
5 changed files with 28 additions and 36 deletions

View File

@@ -761,9 +761,6 @@ static void nfs_server_set_fsinfo(struct nfs_server *server,
server->rsize = NFS_MAX_FILE_IO_SIZE;
server->rpages = (server->rsize + PAGE_SIZE - 1) >> PAGE_SHIFT;
server->backing_dev_info.name = "nfs";
server->backing_dev_info.ra_pages = server->rpages * NFS_MAX_READAHEAD;
if (server->wsize > max_rpc_payload)
server->wsize = max_rpc_payload;
if (server->wsize > NFS_MAX_FILE_IO_SIZE)
@@ -917,12 +914,6 @@ struct nfs_server *nfs_alloc_server(void)
return NULL;
}
if (bdi_init(&server->backing_dev_info)) {
nfs_free_iostats(server->io_stats);
kfree(server);
return NULL;
}
ida_init(&server->openowner_id);
ida_init(&server->lockowner_id);
pnfs_init_server(server);
@@ -953,7 +944,6 @@ void nfs_free_server(struct nfs_server *server)
ida_destroy(&server->lockowner_id);
ida_destroy(&server->openowner_id);
nfs_free_iostats(server->io_stats);
bdi_destroy(&server->backing_dev_info);
kfree(server);
nfs_release_automount_timer();
dprintk("<-- nfs_free_server()\n");