linux-kernel - [PATCH v2 07/30] fuse: export fuse_get

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Date:   Wed, 15 May 2019 15:26:52 -0400
From:   Vivek Goyal <vgoyal@...hat.com>
To:     linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, linux-nvdimm@...ts.01.org
Cc:     vgoyal@...hat.com, miklos@...redi.hu, stefanha@...hat.com,
        dgilbert@...hat.com, swhiteho@...hat.com
Subject: [PATCH v2 07/30] fuse: export fuse_get_unique()

From: Stefan Hajnoczi <stefanha@...hat.com>

virtio-fs will need unique IDs for FORGET requests from outside
fs/fuse/dev.c.  Make the symbol visible.

Signed-off-by: Stefan Hajnoczi <stefanha@...hat.com>
---
 fs/fuse/dev.c    | 3 ++-
 fs/fuse/fuse_i.h | 5 +++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 40eb827caa10..42fd3b576686 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -363,11 +363,12 @@ unsigned fuse_len_args(unsigned numargs, struct fuse_arg *args)
 }
 EXPORT_SYMBOL_GPL(fuse_len_args);
 
-static u64 fuse_get_unique(struct fuse_iqueue *fiq)
+u64 fuse_get_unique(struct fuse_iqueue *fiq)
 {
 	fiq->reqctr += FUSE_REQ_ID_STEP;
 	return fiq->reqctr;
 }
+EXPORT_SYMBOL_GPL(fuse_get_unique);
 
 static unsigned int fuse_req_hash(u64 unique)
 {
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 16f238d7f624..38a572ba650d 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -1097,4 +1097,9 @@ int fuse_readdir(struct file *file, struct dir_context *ctx);
  */
 unsigned fuse_len_args(unsigned numargs, struct fuse_arg *args);
 
+/**
+ * Get the next unique ID for a request
+ */
+u64 fuse_get_unique(struct fuse_iqueue *fiq);
+
 #endif /* _FS_FUSE_I_H */
-- 
2.20.1