diff options
| author | Jan Kara <jack@suse.cz> | 2017-04-12 12:24:45 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-04-20 12:09:55 -0600 |
| commit | 0db10944a76ba09f37d43b99d0fe085a18307f22 (patch) | |
| tree | 0dc08217910a281c96b57f92ef0a18cc2cdd8163 /fs/nfs/write.c | |
| parent | a0349ec00f3cb8a9401d065e5db3a5d738e94a89 (diff) | |
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>
Diffstat (limited to 'fs/nfs/write.c')
| -rw-r--r-- | fs/nfs/write.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/fs/nfs/write.c b/fs/nfs/write.c index abb2c8a3be42..cc341fc7fd44 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -263,16 +263,15 @@ int nfs_congestion_kb; static void nfs_set_page_writeback(struct page *page) { - struct nfs_server *nfss = NFS_SERVER(page_file_mapping(page)->host); + struct inode *inode = page_file_mapping(page)->host; + struct nfs_server *nfss = NFS_SERVER(inode); int ret = test_set_page_writeback(page); WARN_ON_ONCE(ret != 0); if (atomic_long_inc_return(&nfss->writeback) > - NFS_CONGESTION_ON_THRESH) { - set_bdi_congested(&nfss->backing_dev_info, - BLK_RW_ASYNC); - } + NFS_CONGESTION_ON_THRESH) + set_bdi_congested(inode_to_bdi(inode), BLK_RW_ASYNC); } static void nfs_end_page_writeback(struct nfs_page *req) @@ -285,7 +284,7 @@ static void nfs_end_page_writeback(struct nfs_page *req) end_page_writeback(req->wb_page); if (atomic_long_dec_return(&nfss->writeback) < NFS_CONGESTION_OFF_THRESH) - clear_bdi_congested(&nfss->backing_dev_info, BLK_RW_ASYNC); + clear_bdi_congested(inode_to_bdi(inode), BLK_RW_ASYNC); } @@ -1808,7 +1807,7 @@ static void nfs_commit_release_pages(struct nfs_commit_data *data) } nfss = NFS_SERVER(data->inode); if (atomic_long_read(&nfss->writeback) < NFS_CONGESTION_OFF_THRESH) - clear_bdi_congested(&nfss->backing_dev_info, BLK_RW_ASYNC); + clear_bdi_congested(inode_to_bdi(data->inode), BLK_RW_ASYNC); nfs_init_cinfo(&cinfo, data->inode, data->dreq); nfs_commit_end(cinfo.mds); |