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-rw-r--r--xlators/performance/md-cache/src/md-cache.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/xlators/performance/md-cache/src/md-cache.c b/xlators/performance/md-cache/src/md-cache.c
index 36d81887c7b..3a5b7a5d1ae 100644
--- a/xlators/performance/md-cache/src/md-cache.c
+++ b/xlators/performance/md-cache/src/md-cache.c
@@ -2098,6 +2098,46 @@ int mdc_discard(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
}
int
+mdc_zerofill_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno,
+ struct iatt *prebuf, struct iatt *postbuf, dict_t *xdata)
+{
+ mdc_local_t *local = NULL;
+
+ local = frame->local;
+
+ if (op_ret != 0)
+ goto out;
+
+ if (!local)
+ goto out;
+
+ mdc_inode_iatt_set_validate(this, local->fd->inode, prebuf, postbuf);
+
+out:
+ MDC_STACK_UNWIND(zerofill, frame, op_ret, op_errno, prebuf, postbuf,
+ xdata);
+
+ return 0;
+}
+
+int mdc_zerofill(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
+ size_t len, dict_t *xdata)
+{
+ mdc_local_t *local;
+
+ local = mdc_local_get(frame);
+ local->fd = fd_ref(fd);
+
+ STACK_WIND(frame, mdc_zerofill_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->zerofill, fd, offset, len,
+ xdata);
+
+ return 0;
+}
+
+
+int
mdc_forget (xlator_t *this, inode_t *inode)
{
mdc_inode_wipe (this, inode);
@@ -2229,6 +2269,7 @@ struct xlator_fops fops = {
.readdir = mdc_readdir,
.fallocate = mdc_fallocate,
.discard = mdc_discard,
+ .zerofill = mdc_zerofill,
};