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| author | Yehuda Sadeh | 2009-12-18 22:51:57 +0100 |
|---|---|---|
| committer | Sage Weil | 2009-12-22 01:39:56 +0100 |
| commit | 2baba25019ec564cd247af74013873d69a0b8190 (patch) | |
| tree | c0995b8087cff771dd51aaf1194fd238f4490f01 /fs/ceph/super.h | |
| parent | ceph: writepage grabs and releases inode (diff) | |
| download | kernel-qcow2-linux-2baba25019ec564cd247af74013873d69a0b8190.tar.gz kernel-qcow2-linux-2baba25019ec564cd247af74013873d69a0b8190.tar.xz kernel-qcow2-linux-2baba25019ec564cd247af74013873d69a0b8190.zip | |
ceph: writeback congestion control
Set bdi congestion bit when amount of write data in flight exceeds adjustable
threshold.
Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'fs/ceph/super.h')
| -rw-r--r-- | fs/ceph/super.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ceph/super.h b/fs/ceph/super.h index 2304bd2844a4..62d9ae482d72 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -59,6 +59,7 @@ struct ceph_mount_args { int wsize; int rsize; /* max readahead */ int max_readdir; /* max readdir size */ + int congestion_kb; /* max readdir size */ int osd_timeout; char *snapdir_name; /* default ".snap" */ char *name; @@ -136,6 +137,7 @@ struct ceph_client { struct workqueue_struct *wb_wq; struct workqueue_struct *pg_inv_wq; struct workqueue_struct *trunc_wq; + atomic_long_t writeback_count; struct backing_dev_info backing_dev_info; @@ -143,6 +145,7 @@ struct ceph_client { struct dentry *debugfs_monmap; struct dentry *debugfs_mdsmap, *debugfs_osdmap; struct dentry *debugfs_dir, *debugfs_dentry_lru, *debugfs_caps; + struct dentry *debugfs_congestion_kb; struct dentry *debugfs_bdi; #endif }; |