ceph: page still marked private_2
Previous patch that allowed us to cleanup most of the issues with pages marked as private_2 when calling ceph_readpages. However, there seams to be a case in the error case clean up in start read that still trigers this from time to time. I've only seen this one a couple times. BUG: Bad page state in process petabucket pfn:335b82 page:ffffea000cd6e080 count:0 mapcount:0 mapping: (null) index:0x0 page flags: 0x200000000001000(private_2) Call Trace: [<ffffffff81563442>] dump_stack+0x46/0x58 [<ffffffff8112c7f7>] bad_page+0xc7/0x120 [<ffffffff8112cd9e>] free_pages_prepare+0x10e/0x120 [<ffffffff8112e580>] free_hot_cold_page+0x40/0x160 [<ffffffff81132427>] __put_single_page+0x27/0x30 [<ffffffff81132d95>] put_page+0x25/0x40 [<ffffffffa02cb409>] ceph_readpages+0x2e9/0x6f0 [ceph] [<ffffffff811313cf>] __do_page_cache_readahead+0x1af/0x260 Signed-off-by: NMilosz Tanski <milosz@adfin.com> Signed-off-by: NSage Weil <sage@inktank.com>
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