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-rw-r--r--xlators/performance/io-cache/src/io-cache.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/xlators/performance/io-cache/src/io-cache.c b/xlators/performance/io-cache/src/io-cache.c
index 30dc14a9cdb..d0667e46944 100644
--- a/xlators/performance/io-cache/src/io-cache.c
+++ b/xlators/performance/io-cache/src/io-cache.c
@@ -1422,6 +1422,33 @@ ioc_readdirp (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
return 0;
}
+static int32_t
+ioc_discard_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *pre,
+ struct iatt *post, dict_t *xdata)
+{
+ STACK_UNWIND_STRICT(discard, frame, op_ret, op_errno, pre, post, xdata);
+ return 0;
+}
+
+static int32_t
+ioc_discard(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
+ size_t len, dict_t *xdata)
+{
+ uint64_t ioc_inode = 0;
+
+ inode_ctx_get (fd->inode, this, &ioc_inode);
+
+ if (ioc_inode)
+ ioc_inode_flush ((ioc_inode_t *)(long)ioc_inode);
+
+ STACK_WIND(frame, ioc_discard_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->discard, fd, offset, len, xdata);
+ return 0;
+}
+
+
+
int32_t
ioc_get_priority_list (const char *opt_str, struct list_head *first)
{
@@ -2044,6 +2071,7 @@ struct xlator_fops fops = {
.mknod = ioc_mknod,
.readdirp = ioc_readdirp,
+ .discard = ioc_discard,
};