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Diffstat (limited to 'fs/btrfs/disk-io.c')
-rw-r--r--fs/btrfs/disk-io.c27
1 files changed, 0 insertions, 27 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 4084959b36fd..fa287c551ffc 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -650,12 +650,6 @@ unsigned long btrfs_async_submit_limit(struct btrfs_fs_info *info)
650 return 256 * limit; 650 return 256 * limit;
651} 651}
652 652
653int btrfs_congested_async(struct btrfs_fs_info *info, int iodone)
654{
655 return atomic_read(&info->nr_async_bios) >
656 btrfs_async_submit_limit(info);
657}
658
659static void run_one_async_start(struct btrfs_work *work) 653static void run_one_async_start(struct btrfs_work *work)
660{ 654{
661 struct async_submit_bio *async; 655 struct async_submit_bio *async;
@@ -1283,21 +1277,6 @@ out:
1283 return root; 1277 return root;
1284} 1278}
1285 1279
1286struct btrfs_root *btrfs_lookup_fs_root(struct btrfs_fs_info *fs_info,
1287 u64 root_objectid)
1288{
1289 struct btrfs_root *root;
1290
1291 if (root_objectid == BTRFS_ROOT_TREE_OBJECTID)
1292 return fs_info->tree_root;
1293 if (root_objectid == BTRFS_EXTENT_TREE_OBJECTID)
1294 return fs_info->extent_root;
1295
1296 root = radix_tree_lookup(&fs_info->fs_roots_radix,
1297 (unsigned long)root_objectid);
1298 return root;
1299}
1300
1301struct btrfs_root *btrfs_read_fs_root_no_name(struct btrfs_fs_info *fs_info, 1280struct btrfs_root *btrfs_read_fs_root_no_name(struct btrfs_fs_info *fs_info,
1302 struct btrfs_key *location) 1281 struct btrfs_key *location)
1303{ 1282{
@@ -1369,11 +1348,6 @@ fail:
1369 return ERR_PTR(ret); 1348 return ERR_PTR(ret);
1370} 1349}
1371 1350
1372struct btrfs_root *btrfs_read_fs_root(struct btrfs_fs_info *fs_info,
1373 struct btrfs_key *location,
1374 const char *name, int namelen)
1375{
1376 return btrfs_read_fs_root_no_name(fs_info, location);
1377#if 0 1351#if 0
1378 struct btrfs_root *root; 1352 struct btrfs_root *root;
1379 int ret; 1353 int ret;
@@ -1402,7 +1376,6 @@ struct btrfs_root *btrfs_read_fs_root(struct btrfs_fs_info *fs_info,
1402 root->in_sysfs = 1; 1376 root->in_sysfs = 1;
1403 return root; 1377 return root;
1404#endif 1378#endif
1405}
1406 1379
1407static int btrfs_congested_fn(void *congested_data, int bdi_bits) 1380static int btrfs_congested_fn(void *congested_data, int bdi_bits)
1408{ 1381{