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authorChristoph Hellwig <hch@lst.de>2010-06-08 12:14:51 -0400
committerJens Axboe <jaxboe@fusionio.com>2010-06-11 06:58:07 -0400
commitcf37e972478ec58a8a54a6b4f951815f0ae28f78 (patch)
treeb14d75074692ddb213e22e098a64087950f4cf78 /net
parent3c4d716538f3eefb1c1f10961a047a6456a2b590 (diff)
writeback: enforce s_umount locking in writeback_inodes_sb
Make sure that not only sync_filesystem but all callers of writeback_inodes_sb have the superblock protected against remount. As-is this disables all functionality for these callers, but the next patch relies on this locking to fix writeback_inodes_sb for sync_filesystem. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
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