[PATCH 2/3] fuse: Kill fuse_req::intr_unique

From: Kirill Tkhai
Date: Tue Sep 11 2018 - 06:12:17 EST


This field is not needed after the previous patch,
since we can easily convert request ID to interrupt
request ID and vice versa.

Signed-off-by: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx>
---
fs/fuse/dev.c | 11 ++++++-----
fs/fuse/fuse_i.h | 3 ---
2 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index f24fd6f61a7a..dda177b57ea2 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -1089,12 +1089,11 @@ __releases(fiq->waitq.lock)
int err;

list_del_init(&req->intr_entry);
- req->intr_unique = (req->in.h.unique | FUSE_INT_REQ_BIT);
memset(&ih, 0, sizeof(ih));
memset(&arg, 0, sizeof(arg));
ih.len = reqsize;
ih.opcode = FUSE_INTERRUPT;
- ih.unique = req->intr_unique;
+ ih.unique = (req->in.h.unique | FUSE_INT_REQ_BIT);
arg.unique = req->in.h.unique;

spin_unlock(&fiq->waitq.lock);
@@ -1799,8 +1798,10 @@ static struct fuse_req *request_find(struct fuse_pqueue *fpq, u64 unique)
{
struct fuse_req *req;

+ unique &= ~FUSE_INT_REQ_BIT;
+
list_for_each_entry(req, &fpq->processing, list) {
- if (req->in.h.unique == unique || req->intr_unique == unique)
+ if (req->in.h.unique == unique)
return req;
}
return NULL;
@@ -1878,8 +1879,8 @@ static ssize_t fuse_dev_do_write(struct fuse_dev *fud,
if (!req)
goto err_unlock_pq;

- /* Is it an interrupt reply? */
- if (req->intr_unique == oh.unique) {
+ /* Is it an interrupt reply ID? */
+ if (oh.unique & FUSE_INT_REQ_BIT) {
spin_unlock(&fpq->lock);

err = -EINVAL;
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index f78e9614bb5f..f72e4974b3bb 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -311,9 +311,6 @@ struct fuse_req {
/** refcount */
refcount_t count;

- /** Unique ID for the interrupt request */
- u64 intr_unique;
-
/* Request flags, updated with test/set/clear_bit() */
unsigned long flags;