2 files changed, 12 insertions, 12 deletions

diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 9542f07d0b9..4698a5c553d 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -290,7 +290,6 @@ static int striped_read(struct inode *inode,
         struct ceph_inode_info *ci = ceph_inode(inode);
         u64 pos, this_len;
         int io_align, page_align;
-        int page_off = off & ~PAGE_CACHE_MASK; /* first byte's offset in page */
         int left, pages_left;
         int read;
         struct page **page_pos;
@@ -326,12 +325,11 @@ more:
              ret, hit_stripe ? " HITSTRIPE" : "", was_short ? " SHORT" : "");
 
         if (ret > 0) {
-                int didpages =
-                        ((pos & ~PAGE_CACHE_MASK) + ret) >> PAGE_CACHE_SHIFT;
+                int didpages = (page_align + ret) >> PAGE_CACHE_SHIFT;
 
                 if (read < pos - off) {
                         dout(" zero gap %llu to %llu\n", off + read, pos);
-                        ceph_zero_page_vector_range(page_off + read,
+                        ceph_zero_page_vector_range(page_align + read,
                                                     pos - off - read, pages);
                 }
                 pos += ret;
@@ -356,7 +354,7 @@ more:
                                 left = inode->i_size - pos;
 
                         dout("zero tail %d\n", left);
-                        ceph_zero_page_vector_range(page_off + read, left,
+                        ceph_zero_page_vector_range(page_align + read, left,
                                                     pages);
                         read += left;
                 }
@@ -478,9 +476,6 @@ static ssize_t ceph_sync_write(struct file *file, const char __user *data,
         else
                 pos = *offset;
 
-        io_align = pos & ~PAGE_MASK;
-        buf_align = (unsigned long)data & ~PAGE_MASK;
-
         ret = filemap_write_and_wait_range(inode->i_mapping, pos, pos + left);
         if (ret < 0)
                 return ret;
@@ -504,6 +499,8 @@ static ssize_t ceph_sync_write(struct file *file, const char __user *data,
          * boundary.  this isn't atomic, unfortunately.  :(
          */
 more:
+        io_align = pos & ~PAGE_MASK;
+        buf_align = (unsigned long)data & ~PAGE_MASK;
         len = left;
         if (file->f_flags & O_DIRECT) {
                 /* write from beginning of first page, regardless of
@@ -593,6 +590,7 @@ out:
                 pos += len;
                 written += len;
                 left -= len;
+                data += written;
                 if (left)
                         goto more;
 
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 9cb627a4073..7330c2757c0 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -477,8 +477,9 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
         calc_layout(osdc, vino, layout, off, plen, req, ops);
         req->r_file_layout = *layout;  /* keep a copy */
 
-        /* in case it differs from natural alignment that calc_layout
-           filled in for us */
+        /* in case it differs from natural (file) alignment that
+           calc_layout filled in for us */
+        req->r_num_pages = calc_pages_for(page_align, *plen);
         req->r_page_alignment = page_align;
 
         ceph_osdc_build_request(req, off, plen, ops,
@@ -2027,8 +2028,9 @@ static struct ceph_msg *get_reply(struct ceph_connection *con,
                 int want = calc_pages_for(req->r_page_alignment, data_len);
 
                 if (unlikely(req->r_num_pages < want)) {
-                        pr_warning("tid %lld reply %d > expected %d pages\n",
-                                   tid, want, m->nr_pages);
+                        pr_warning("tid %lld reply has %d bytes %d pages, we"
+                                   " had only %d pages ready\n", tid, data_len,
+                                   want, req->r_num_pages);
                         *skip = 1;
                         ceph_msg_put(m);
                         m = NULL;