NFS: Clean up nfs_flush_inode()
Make it take a struct writepages argument, and rename to
nfs_flush_mapping().
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 4948dc1..1d72096 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -79,8 +79,7 @@
unsigned int, unsigned int);
static int nfs_wait_on_write_congestion(struct address_space *, int);
static int nfs_wait_on_requests(struct inode *, unsigned long, unsigned int);
-static int nfs_flush_inode(struct inode *inode, unsigned long idx_start,
- unsigned int npages, int how);
+static int nfs_flush_mapping(struct address_space *mapping, struct writeback_control *wbc, int how);
static const struct rpc_call_ops nfs_write_partial_ops;
static const struct rpc_call_ops nfs_write_full_ops;
static const struct rpc_call_ops nfs_commit_ops;
@@ -352,7 +351,7 @@
if (!IS_SYNC(inode) && inode_referenced) {
err = nfs_writepage_async(ctx, inode, page, 0, offset);
if (!wbc->for_writepages)
- nfs_flush_inode(inode, 0, 0, wb_priority(wbc));
+ nfs_flush_mapping(page->mapping, wbc, wb_priority(wbc));
} else {
err = nfs_writepage_sync(ctx, inode, page, 0,
offset, priority);
@@ -391,11 +390,10 @@
return 0;
nfs_wait_on_write_congestion(mapping, 0);
}
- err = nfs_flush_inode(inode, 0, 0, wb_priority(wbc));
+ err = nfs_flush_mapping(mapping, wbc, wb_priority(wbc));
if (err < 0)
goto out;
nfs_add_stats(inode, NFSIOS_WRITEPAGES, err);
- wbc->nr_to_write -= err;
if (!wbc->nonblocking && wbc->sync_mode == WB_SYNC_ALL) {
err = nfs_wait_on_requests(inode, 0, 0);
if (err < 0)
@@ -1469,20 +1467,22 @@
}
#endif
-static int nfs_flush_inode(struct inode *inode, unsigned long idx_start,
- unsigned int npages, int how)
+static int nfs_flush_mapping(struct address_space *mapping, struct writeback_control *wbc, int how)
{
- struct nfs_inode *nfsi = NFS_I(inode);
+ struct nfs_inode *nfsi = NFS_I(mapping->host);
LIST_HEAD(head);
+ pgoff_t index = wbc->range_start >> PAGE_CACHE_SHIFT;
+ unsigned long npages = 1 + (wbc->range_end >> PAGE_CACHE_SHIFT) - index;
int res;
spin_lock(&nfsi->req_lock);
- res = nfs_scan_dirty(inode, &head, idx_start, npages);
+ res = nfs_scan_dirty(mapping->host, &head, index, npages);
spin_unlock(&nfsi->req_lock);
if (res) {
- int error = nfs_flush_list(inode, &head, res, how);
+ int error = nfs_flush_list(mapping->host, &head, res, how);
if (error < 0)
return error;
+ wbc->nr_to_write -= res;
}
return res;
}