1 files changed, 15 insertions, 35 deletions

diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 064d1a68d2c1..a60ea977af6f 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -195,7 +195,7 @@ static int ceph_releasepage(struct page *page, gfp_t g)
  */
 static int readpage_nounlock(struct file *filp, struct page *page)
 {
-        struct inode *inode = filp->f_dentry->d_inode;
+        struct inode *inode = file_inode(filp);
         struct ceph_inode_info *ci = ceph_inode(inode);
         struct ceph_osd_client *osdc = 
                 &ceph_inode_to_client(inode)->client->osdc;
@@ -236,16 +236,10 @@ static int ceph_readpage(struct file *filp, struct page *page)
 static void finish_read(struct ceph_osd_request *req, struct ceph_msg *msg)
 {
         struct inode *inode = req->r_inode;
-        struct ceph_osd_reply_head *replyhead;
-        int rc, bytes;
+        int rc = req->r_result;
+        int bytes = le32_to_cpu(msg->hdr.data_len);
         int i;
 
-        /* parse reply */
-        replyhead = msg->front.iov_base;
-        WARN_ON(le32_to_cpu(replyhead->num_ops) == 0);
-        rc = le32_to_cpu(replyhead->result);
-        bytes = le32_to_cpu(msg->hdr.data_len);
-
         dout("finish_read %p req %p rc %d bytes %d\n", inode, req, rc, bytes);
 
         /* unlock all pages, zeroing any data we didn't read */
@@ -315,7 +309,7 @@ static int start_read(struct inode *inode, struct list_head *page_list, int max)
                                     CEPH_OSD_OP_READ, CEPH_OSD_FLAG_READ,
                                     NULL, 0,
                                     ci->i_truncate_seq, ci->i_truncate_size,
-                                    NULL, false, 1, 0);
+                                    NULL, false, 0);
         if (IS_ERR(req))
                 return PTR_ERR(req);
 
@@ -370,7 +364,7 @@ out:
 static int ceph_readpages(struct file *file, struct address_space *mapping,
                           struct list_head *page_list, unsigned nr_pages)
 {
-        struct inode *inode = file->f_dentry->d_inode;
+        struct inode *inode = file_inode(file);
         struct ceph_fs_client *fsc = ceph_inode_to_client(inode);
         int rc = 0;
         int max = 0;
@@ -492,8 +486,7 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc)
                                    &ci->i_layout, snapc,
                                    page_off, len,
                                    ci->i_truncate_seq, ci->i_truncate_size,
-                                   &inode->i_mtime,
-                                   &page, 1, 0, 0, true);
+                                   &inode->i_mtime, &page, 1);
         if (err < 0) {
                 dout("writepage setting page/mapping error %d %p\n", err, page);
                 SetPageError(page);
@@ -554,27 +547,18 @@ static void writepages_finish(struct ceph_osd_request *req,
                               struct ceph_msg *msg)
 {
         struct inode *inode = req->r_inode;
-        struct ceph_osd_reply_head *replyhead;
-        struct ceph_osd_op *op;
         struct ceph_inode_info *ci = ceph_inode(inode);
         unsigned wrote;
         struct page *page;
         int i;
         struct ceph_snap_context *snapc = req->r_snapc;
         struct address_space *mapping = inode->i_mapping;
-        __s32 rc = -EIO;
-        u64 bytes = 0;
+        int rc = req->r_result;
+        u64 bytes = le64_to_cpu(req->r_request_ops[0].extent.length);
         struct ceph_fs_client *fsc = ceph_inode_to_client(inode);
         long writeback_stat;
         unsigned issued = ceph_caps_issued(ci);
 
-        /* parse reply */
-        replyhead = msg->front.iov_base;
-        WARN_ON(le32_to_cpu(replyhead->num_ops) == 0);
-        op = (void *)(replyhead + 1);
-        rc = le32_to_cpu(replyhead->result);
-        bytes = le64_to_cpu(op->extent.length);
-
         if (rc >= 0) {
                 /*
                  * Assume we wrote the pages we originally sent.  The
@@ -741,8 +725,6 @@ retry:
                 struct page *page;
                 int want;
                 u64 offset, len;
-                struct ceph_osd_request_head *reqhead;
-                struct ceph_osd_op *op;
                 long writeback_stat;
 
                 next = 0;
@@ -838,7 +820,7 @@ get_more_pages:
                                             snapc, do_sync,
                                             ci->i_truncate_seq,
                                             ci->i_truncate_size,
-                                            &inode->i_mtime, true, 1, 0);
+                                            &inode->i_mtime, true, 0);
 
                                 if (IS_ERR(req)) {
                                         rc = PTR_ERR(req);
@@ -906,10 +888,8 @@ get_more_pages:
 
                 /* revise final length, page count */
                 req->r_num_pages = locked_pages;
-                reqhead = req->r_request->front.iov_base;
-                op = (void *)(reqhead + 1);
-                op->extent.length = cpu_to_le64(len);
-                op->payload_len = cpu_to_le32(len);
+                req->r_request_ops[0].extent.length = cpu_to_le64(len);
+                req->r_request_ops[0].payload_len = cpu_to_le32(len);
                 req->r_request->hdr.data_len = cpu_to_le32(len);
 
                 rc = ceph_osdc_start_request(&fsc->client->osdc, req, true);
@@ -977,7 +957,7 @@ static int ceph_update_writeable_page(struct file *file,
                             loff_t pos, unsigned len,
                             struct page *page)
 {
-        struct inode *inode = file->f_dentry->d_inode;
+        struct inode *inode = file_inode(file);
         struct ceph_inode_info *ci = ceph_inode(inode);
         struct ceph_mds_client *mdsc = ceph_inode_to_client(inode)->mdsc;
         loff_t page_off = pos & PAGE_CACHE_MASK;
@@ -1086,7 +1066,7 @@ static int ceph_write_begin(struct file *file, struct address_space *mapping,
                             loff_t pos, unsigned len, unsigned flags,
                             struct page **pagep, void **fsdata)
 {
-        struct inode *inode = file->f_dentry->d_inode;
+        struct inode *inode = file_inode(file);
         struct ceph_inode_info *ci = ceph_inode(inode);
         struct ceph_file_info *fi = file->private_data;
         struct page *page;
@@ -1144,7 +1124,7 @@ static int ceph_write_end(struct file *file, struct address_space *mapping,
                           loff_t pos, unsigned len, unsigned copied,
                           struct page *page, void *fsdata)
 {
-        struct inode *inode = file->f_dentry->d_inode;
+        struct inode *inode = file_inode(file);
         struct ceph_inode_info *ci = ceph_inode(inode);
         struct ceph_fs_client *fsc = ceph_inode_to_client(inode);
         struct ceph_mds_client *mdsc = fsc->mdsc;
@@ -1228,7 +1208,7 @@ const struct address_space_operations ceph_aops = {
  */
 static int ceph_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 {
-        struct inode *inode = vma->vm_file->f_dentry->d_inode;
+        struct inode *inode = file_inode(vma->vm_file);
         struct page *page = vmf->page;
         struct ceph_mds_client *mdsc = ceph_inode_to_client(inode)->mdsc;
         loff_t off = page_offset(page);