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authorYan, Zheng <zyan@redhat.com>2014-11-14 21:41:55 +0800
committerIlya Dryomov <idryomov@redhat.com>2014-12-17 20:09:52 +0300
commit31c542a199d79f0f402c2f3e04229464510d47ec (patch)
treefa28ee0ee2f288f334cd141146eb79cbd1b693ce /fs/ceph/inode.c
parentfb01d1f8b0343f1b19be878cee89d089f06e9f38 (diff)
downloadlinux-31c542a199d79f0f402c2f3e04229464510d47ec.tar.bz2
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>
Diffstat (limited to 'fs/ceph/inode.c')
-rw-r--r--fs/ceph/inode.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 72607c17e6fd..feea6a8f88ae 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -387,6 +387,7 @@ struct inode *ceph_alloc_inode(struct super_block *sb)
spin_lock_init(&ci->i_ceph_lock);
ci->i_version = 0;
+ ci->i_inline_version = 0;
ci->i_time_warp_seq = 0;
ci->i_ceph_flags = 0;
ci->i_ordered_count = 0;
@@ -676,6 +677,7 @@ static int fill_inode(struct inode *inode,
bool wake = false;
bool queue_trunc = false;
bool new_version = false;
+ bool fill_inline = false;
dout("fill_inode %p ino %llx.%llx v %llu had %llu\n",
inode, ceph_vinop(inode), le64_to_cpu(info->version),
@@ -875,8 +877,22 @@ static int fill_inode(struct inode *inode,
ceph_vinop(inode));
__ceph_get_fmode(ci, cap_fmode);
}
+
+ if (iinfo->inline_version > 0 &&
+ iinfo->inline_version >= ci->i_inline_version) {
+ int cache_caps = CEPH_CAP_FILE_CACHE | CEPH_CAP_FILE_LAZYIO;
+ ci->i_inline_version = iinfo->inline_version;
+ if (ci->i_inline_version != CEPH_INLINE_NONE &&
+ (le32_to_cpu(info->cap.caps) & cache_caps))
+ fill_inline = true;
+ }
+
spin_unlock(&ci->i_ceph_lock);
+ if (fill_inline)
+ ceph_fill_inline_data(inode, NULL,
+ iinfo->inline_data, iinfo->inline_len);
+
if (wake)
wake_up_all(&ci->i_cap_wq);