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authorFred Isaman <iisaman@netapp.com>2012-04-20 22:47:57 +0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-04-27 22:10:39 +0400
commit1763da1234cba663b849476d451bdccac5147859 (patch)
treeb2b4bf3e1ce8624217c78508054fc620aac79a55 /fs/nfs/pnfs.h
parent56f9cd684d25f1bae901c5a872b8427f8b417c3f (diff)
downloadlinux-1763da1234cba663b849476d451bdccac5147859.tar.xz
NFS: rewrite directio write to use async coalesce code
This also has the advantage that it allows directio to use pnfs. Signed-off-by: Fred Isaman <iisaman@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/pnfs.h')
-rw-r--r--fs/nfs/pnfs.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 4cd8760c2f89..8efbee769ba7 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -102,6 +102,8 @@ struct pnfs_layoutdriver_type {
struct nfs_commit_info *cinfo);
int (*scan_commit_lists) (struct nfs_commit_info *cinfo,
int max);
+ void (*recover_commit_reqs) (struct list_head *list,
+ struct nfs_commit_info *cinfo);
int (*commit_pagelist)(struct inode *inode,
struct list_head *mds_pages,
int how,
@@ -323,6 +325,15 @@ pnfs_scan_commit_lists(struct inode *inode, struct nfs_commit_info *cinfo,
return NFS_SERVER(inode)->pnfs_curr_ld->scan_commit_lists(cinfo, max);
}
+static inline void
+pnfs_recover_commit_reqs(struct inode *inode, struct list_head *list,
+ struct nfs_commit_info *cinfo)
+{
+ if (cinfo->ds == NULL || cinfo->ds->nwritten == 0)
+ return;
+ NFS_SERVER(inode)->pnfs_curr_ld->recover_commit_reqs(list, cinfo);
+}
+
/* Should the pNFS client commit and return the layout upon a setattr */
static inline bool
pnfs_ld_layoutret_on_setattr(struct inode *inode)
@@ -456,6 +467,12 @@ pnfs_scan_commit_lists(struct inode *inode, struct nfs_commit_info *cinfo,
return 0;
}
+static inline void
+pnfs_recover_commit_reqs(struct inode *inode, struct list_head *list,
+ struct nfs_commit_info *cinfo)
+{
+}
+
static inline int pnfs_layoutcommit_inode(struct inode *inode, bool sync)
{
return 0;