[PATCH v2 07/30] fuse: export fuse_get_unique()

Vivek Goyal
2019-05-15T19:28:25Z

From: Stefan Hajnoczi <stefanha@redhat.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@redhat.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