linux-kernel - [PATCH v4 07/16] fuse: export fuse_get

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Message-Id: <20190903114203.8278-2-mszeredi@redhat.com>
Date:   Tue,  3 Sep 2019 13:41:54 +0200
From:   Miklos Szeredi <mszeredi@...hat.com>
To:     virtualization@...ts.linux-foundation.org,
        linux-fsdevel@...r.kernel.org
Cc:     Stefan Hajnoczi <stefanha@...hat.com>,
        linux-kernel@...r.kernel.org,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Vivek Goyal <vgoyal@...hat.com>,
        "Dr. David Alan Gilbert" <dgilbert@...hat.com>
Subject: [PATCH v4 07/16] 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>
Signed-off-by: Miklos Szeredi <mszeredi@...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 bd2e5958d2f9..167f476fbe16 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -363,11 +363,12 @@ unsigned int fuse_len_args(unsigned int 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 8ced5e74e5a8..7e19c936ece8 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -1104,4 +1104,9 @@ int fuse_readdir(struct file *file, struct dir_context *ctx);
  */
 unsigned int fuse_len_args(unsigned int 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 */
-- 
2.21.0