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Subject[PATCH 4/4] fuse: writepages: protect secondary requests from fuse file release
All async fuse requests must be supplied with extra reference to a fuse file.
This is necessary to ensure that the fuse file is not released until all
in-flight requests are completed. Fuse secondary writeback requests must
obey this rule as well.

Signed-off-by: Maxim Patlasov <>
fs/fuse/file.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 5d323bd..266a792 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1521,6 +1521,7 @@ static void fuse_writepage_end(struct fuse_conn *fc, struct fuse_req *req)

+ next->ff = fuse_file_get(req->ff);
list_add(&next->writepages_entry, &fi->writepages);
list_add_tail(&next->list, &fi->queued_writes);

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