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authorSage Weil <sage@newdream.net>2010-02-09 15:24:44 -0800
committerSage Weil <sage@newdream.net>2010-02-11 11:48:54 -0800
commit3c6f6b79a64db7f1c7abf09d693db3b0066784fb (patch)
treee17b4cd848212b0556180331280044dd1526b742 /fs/ceph/inode.c
parent6a026589ba333185c466c906376fe022a27a53f9 (diff)
ceph: cleanup async writeback, truncation, invalidate helpers
Grab inode ref in helper. Make work functions static, with consistent naming. Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'fs/ceph/inode.c')
-rw-r--r--fs/ceph/inode.c61
1 files changed, 52 insertions, 9 deletions
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index af85f2de2f7..58bdff09c2c 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -28,7 +28,9 @@
static const struct inode_operations ceph_symlink_iops;
-static void ceph_inode_invalidate_pages(struct work_struct *work);
+static void ceph_invalidate_work(struct work_struct *work);
+static void ceph_writeback_work(struct work_struct *work);
+static void ceph_vmtruncate_work(struct work_struct *work);
/*
* find or create an inode, given the ceph ino number
@@ -357,8 +359,8 @@ struct inode *ceph_alloc_inode(struct super_block *sb)
INIT_LIST_HEAD(&ci->i_snap_realm_item);
INIT_LIST_HEAD(&ci->i_snap_flush_item);
- INIT_WORK(&ci->i_wb_work, ceph_inode_writeback);
- INIT_WORK(&ci->i_pg_inv_work, ceph_inode_invalidate_pages);
+ INIT_WORK(&ci->i_wb_work, ceph_writeback_work);
+ INIT_WORK(&ci->i_pg_inv_work, ceph_invalidate_work);
INIT_WORK(&ci->i_vmtruncate_work, ceph_vmtruncate_work);
@@ -675,9 +677,7 @@ no_change:
/* queue truncate if we saw i_size decrease */
if (queue_trunc)
- if (queue_work(ceph_client(inode->i_sb)->trunc_wq,
- &ci->i_vmtruncate_work))
- igrab(inode);
+ ceph_queue_vmtruncate(inode);
/* populate frag tree */
/* FIXME: move me up, if/when version reflects fragtree changes */
@@ -1243,7 +1243,18 @@ int ceph_inode_set_size(struct inode *inode, loff_t size)
* Write back inode data in a worker thread. (This can't be done
* in the message handler context.)
*/
-void ceph_inode_writeback(struct work_struct *work)
+void ceph_queue_writeback(struct inode *inode)
+{
+ if (queue_work(ceph_inode_to_client(inode)->wb_wq,
+ &ceph_inode(inode)->i_wb_work)) {
+ dout("ceph_queue_invalidate %p\n", inode);
+ igrab(inode);
+ } else {
+ dout("ceph_queue_invalidate %p failed\n", inode);
+ }
+}
+
+static void ceph_writeback_work(struct work_struct *work)
{
struct ceph_inode_info *ci = container_of(work, struct ceph_inode_info,
i_wb_work);
@@ -1255,10 +1266,24 @@ void ceph_inode_writeback(struct work_struct *work)
}
/*
+ * queue an async invalidation
+ */
+void ceph_queue_invalidate(struct inode *inode)
+{
+ if (queue_work(ceph_inode_to_client(inode)->pg_inv_wq,
+ &ceph_inode(inode)->i_pg_inv_work)) {
+ dout("ceph_queue_invalidate %p\n", inode);
+ igrab(inode);
+ } else {
+ dout("ceph_queue_invalidate %p failed\n", inode);
+ }
+}
+
+/*
* Invalidate inode pages in a worker thread. (This can't be done
* in the message handler context.)
*/
-static void ceph_inode_invalidate_pages(struct work_struct *work)
+static void ceph_invalidate_work(struct work_struct *work)
{
struct ceph_inode_info *ci = container_of(work, struct ceph_inode_info,
i_pg_inv_work);
@@ -1307,7 +1332,7 @@ out:
*
* We also truncate in a separate thread as well.
*/
-void ceph_vmtruncate_work(struct work_struct *work)
+static void ceph_vmtruncate_work(struct work_struct *work)
{
struct ceph_inode_info *ci = container_of(work, struct ceph_inode_info,
i_vmtruncate_work);
@@ -1321,6 +1346,24 @@ void ceph_vmtruncate_work(struct work_struct *work)
}
/*
+ * Queue an async vmtruncate. If we fail to queue work, we will handle
+ * the truncation the next time we call __ceph_do_pending_vmtruncate.
+ */
+void ceph_queue_vmtruncate(struct inode *inode)
+{
+ struct ceph_inode_info *ci = ceph_inode(inode);
+
+ if (queue_work(ceph_client(inode->i_sb)->trunc_wq,
+ &ci->i_vmtruncate_work)) {
+ dout("ceph_queue_vmtruncate %p\n", inode);
+ igrab(inode);
+ } else {
+ dout("ceph_queue_vmtruncate %p failed, pending=%d\n",
+ inode, ci->i_truncate_pending);
+ }
+}
+
+/*
* called with i_mutex held.
*
* Make sure any pending truncation is applied before doing anything