tree a5e9aed179986625a62af749ef63c927fb83cbb3
parent 838599d118dd286b831ba45ae380c5870ff82fe9
author Christoph Hellwig <hch@infradead.org> 1318947798 -0400
committer Greg Kroah-Hartman <gregkh@suse.de> 1319519416 +0200

xfs: force the log if we encounter pinned buffers in .iop_pushbuf

commit 17b38471c3c07a49f0bbc2ecc2e92050c164e226 upstream

We need to check for pinned buffers even in .iop_pushbuf given that inode
items flush into the same buffers that may be pinned directly due operations
on the unlinked inode list operating directly on buffers.  To do this add a
return value to .iop_pushbuf that tells the AIL push about this and use
the existing log force mechanisms to unpin it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reported-by: Stefan Priebe <s.priebe@profihost.ag>
Tested-by: Stefan Priebe <s.priebe@profihost.ag>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>