On Sat, 2011-08-27 at 10:42 -0400, Christoph Hellwig wrote: > Currently a buffered reader or writer can add pages to the pagecache > while we are waiting for the iolock in xfs_file_dio_aio_write. Prevent > this by re-checking mapping->nrpages after we got the iolock, and if > nessecary upgrade the lock to exclusive mode. To simplify this a bit > only take the ilock inside of xfs_file_aio_write_checks. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> I agree with Dave, moving the ILOCK acquisition into xfs_file_aio_write_checks() is very nice. In any case the core change looks good. Reviewed-by: Alex Elder <aelder@xxxxxxx> _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
