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linux/fs/fuse/file.c
Miklos Szeredi 7b5736f6b0 fuse: add missing FR_FORCE 
commit 2e38bea99a upstream.

fuse_file_put() was missing the "force" flag for the RELEASE request when
sending synchronously (fuseblk).

If this flag is not set, then a sync request may be interrupted before it
is dequeued by the userspace filesystem.  In this case the OPEN won't be
balanced with a RELEASE.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Fixes: 5a18ec176c ("fuse: fix hang of single threaded fuseblk filesystem")
[bwh: Backported to 3.16:
 - "force" flag is a bitfield
 - Adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
2017-06-05 21:17:13 +01:00

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