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| author | Chris Mason <chris.mason@oracle.com> | 2008-01-17 12:01:41 -0500 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:03:59 -0400 |
| commit | 04005cc7a1feef94237204566ccac38571af7991 (patch) | |
| tree | 802852c78d489439dfe0a15d8f045a755dc3e621 /fs/btrfs/disk-io.c | |
| parent | fb4bc1e0565a842d704846005ac0ec739e608ede (diff) | |
| download | lwn-04005cc7a1feef94237204566ccac38571af7991.tar.gz lwn-04005cc7a1feef94237204566ccac38571af7991.zip | |
Btrfs: Use blk_congestion_wait on older kernels
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/disk-io.c')
| -rw-r--r-- | fs/btrfs/disk-io.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index cd29922d4073..731a534f81f5 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -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) |