Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

[cascardo/linux.git] / fs / nfs / pnfs.h

diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 66bf5e1..1e6308f 100644 (file)
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -155,6 +155,8 @@ struct pnfs_layoutdriver_type {
                               int how,
                               struct nfs_commit_info *cinfo);
 
+       int (*sync)(struct inode *inode, bool datasync);
+
        /*
         * Return PNFS_ATTEMPTED to indicate the layout code has attempted
         * I/O, else return PNFS_NOT_ATTEMPTED to fall back to normal NFS
@@ -267,6 +269,8 @@ bool pnfs_roc_drain(struct inode *ino, u32 *barrier, struct rpc_task *task);
 void pnfs_set_layoutcommit(struct inode *, struct pnfs_layout_segment *, loff_t);
 void pnfs_cleanup_layoutcommit(struct nfs4_layoutcommit_data *data);
 int pnfs_layoutcommit_inode(struct inode *inode, bool sync);
+int pnfs_generic_sync(struct inode *inode, bool datasync);
+int pnfs_nfs_generic_sync(struct inode *inode, bool datasync);
 int _pnfs_return_layout(struct inode *);
 int pnfs_commit_and_return_layout(struct inode *);
 void pnfs_ld_write_done(struct nfs_pgio_header *);
@@ -428,7 +432,7 @@ static inline bool
 pnfs_mark_request_commit(struct nfs_page *req, struct pnfs_layout_segment *lseg,
                         struct nfs_commit_info *cinfo, u32 ds_commit_idx)
 {
-       struct inode *inode = req->wb_context->dentry->d_inode;
+       struct inode *inode = d_inode(req->wb_context->dentry);
        struct pnfs_layoutdriver_type *ld = NFS_SERVER(inode)->pnfs_curr_ld;
 
        if (lseg == NULL || ld->mark_request_commit == NULL)
@@ -440,7 +444,7 @@ pnfs_mark_request_commit(struct nfs_page *req, struct pnfs_layout_segment *lseg,
 static inline bool
 pnfs_clear_request_commit(struct nfs_page *req, struct nfs_commit_info *cinfo)
 {
-       struct inode *inode = req->wb_context->dentry->d_inode;
+       struct inode *inode = d_inode(req->wb_context->dentry);
        struct pnfs_layoutdriver_type *ld = NFS_SERVER(inode)->pnfs_curr_ld;
 
        if (ld == NULL || ld->clear_request_commit == NULL)
@@ -488,6 +492,14 @@ pnfs_ld_read_whole_page(struct inode *inode)
        return NFS_SERVER(inode)->pnfs_curr_ld->flags & PNFS_READ_WHOLE_PAGE;
 }
 
+static inline int
+pnfs_sync_inode(struct inode *inode, bool datasync)
+{
+       if (!pnfs_enabled_sb(NFS_SERVER(inode)))
+               return 0;
+       return NFS_SERVER(inode)->pnfs_curr_ld->sync(inode, datasync);
+}
+
 static inline bool
 pnfs_layoutcommit_outstanding(struct inode *inode)
 {
@@ -570,6 +582,12 @@ pnfs_ld_read_whole_page(struct inode *inode)
        return false;
 }
 
+static inline int
+pnfs_sync_inode(struct inode *inode, bool datasync)
+{
+       return 0;
+}
+
 static inline bool
 pnfs_roc(struct inode *ino)
 {