Btrfs: Use blk_congestion_wait on older kernels

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason 2008-01-17 12:01:41 -05:00
parent fb4bc1e056
commit 04005cc7a1

View File

@ -919,8 +919,13 @@ void btrfs_throttle(struct btrfs_root *root)
struct backing_dev_info *bdi;
bdi = root->fs_info->sb->s_bdev->bd_inode->i_mapping->backing_dev_info;
if (root->fs_info->throttles && bdi_write_congested(bdi))
if (root->fs_info->throttles && bdi_write_congested(bdi)) {
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,18)
congestion_wait(WRITE, HZ/20);
#else
blk_congestion_wait(WRITE, HZ/20);
#endif
}
}
void btrfs_btree_balance_dirty(struct btrfs_root *root, unsigned long nr)