ceph: add inline data to pagecache

Request reply and cap message can contain inline data. add inline data
to the page cache if there is Fc cap.

Signed-off-by: Yan, Zheng <zyan@redhat.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index b88ae601f309..6372eb9ce491 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -2405,6 +2405,7 @@ static void handle_cap_grant(struct ceph_mds_client *mdsc,
         bool queue_invalidate = false;
         bool queue_revalidate = false;
         bool deleted_inode = false;
+        bool fill_inline = false;
 
         dout("handle_cap_grant inode %p cap %p mds%d seq %d %s\n",
              inode, cap, mds, seq, ceph_cap_string(newcaps));
@@ -2578,6 +2579,13 @@ static void handle_cap_grant(struct ceph_mds_client *mdsc,
         }
         BUG_ON(cap->issued & ~cap->implemented);
 
+        if (inline_version > 0 && inline_version >= ci->i_inline_version) {
+                ci->i_inline_version = inline_version;
+                if (ci->i_inline_version != CEPH_INLINE_NONE &&
+                    (newcaps & (CEPH_CAP_FILE_CACHE|CEPH_CAP_FILE_LAZYIO)))
+                        fill_inline = true;
+        }
+
         spin_unlock(&ci->i_ceph_lock);
 
         if (le32_to_cpu(grant->op) == CEPH_CAP_OP_IMPORT) {
@@ -2591,6 +2599,9 @@ static void handle_cap_grant(struct ceph_mds_client *mdsc,
                         wake = true;
         }
 
+        if (fill_inline)
+                ceph_fill_inline_data(inode, NULL, inline_data, inline_len);
+
         if (queue_trunc) {
                 ceph_queue_vmtruncate(inode);
                 ceph_queue_revalidate(inode);