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 <mpatla...@parallels.com>
---
fs/fuse/file.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 06d6099..23bc608 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1548,6 +1548,7 @@ 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);
list_add_tail(&next->list, &fi->queued_writes);
fuse_flush_writepages(inode);
--
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