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Commit ce128de6 authored by Maxim Patlasov's avatar Maxim Patlasov Committed by Miklos Szeredi
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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: default avatarMaxim Patlasov <MPatlasov@parallels.com>
Signed-off-by: default avatarMiklos Szeredi <mszeredi@suse.cz>
parent 41b6e41f

fs/fuse/file.c

+1 −0
Original line number Diff line number Diff line
@@ -1505,6 +1505,7 @@ static void fuse_writepage_end(struct fuse_conn *fc, struct fuse_req *req) 
		struct fuse_req *next = req->misc.write.next;

		req->misc.write.next = next->misc.write.next;

		next->misc.write.next = NULL;

		next->ff = fuse_file_get(req->ff);

		list_add(&next->writepages_entry, &fi->writepages);



		/*