ceph: ceph_readpage_to_fscache didn't check if marked
authorMilosz Tanski <milosz@adfin.com>
Tue, 3 Sep 2013 23:11:01 +0000 (19:11 -0400)
committerMilosz Tanski <milosz@adfin.com>
Fri, 6 Sep 2013 16:50:12 +0000 (16:50 +0000)
commit9b8dd1e8a55a12b67240b6b28160ac8c1dec0172
tree34f7988fc45a0fb94431b9752c6b4b4452613758
parent76be778b3a4eae63ee4dcb22ff2045d3a0fe863b
ceph: ceph_readpage_to_fscache didn't check if marked

Previously ceph_readpage_to_fscache did not call if page was marked as cached
before calling fscache_write_page resulting in a BUG inside of fscache.

FS-Cache: Assertion failed
------------[ cut here ]------------
kernel BUG at fs/fscache/page.c:874!
invalid opcode: 0000 [#1] SMP
Call Trace:
 [<ffffffffa02e6566>] __ceph_readpage_to_fscache+0x66/0x80 [ceph]
 [<ffffffffa02caf84>] readpage_nounlock+0x124/0x210 [ceph]
 [<ffffffffa02cb08d>] ceph_readpage+0x1d/0x40 [ceph]
 [<ffffffff81126db6>] generic_file_aio_read+0x1f6/0x700
 [<ffffffffa02c6fcc>] ceph_aio_read+0x5fc/0xab0 [ceph]

Signed-off-by: Milosz Tanski <milosz@adfin.com>
Signed-off-by: Sage Weil <sage@inktank.com>
fs/ceph/cache.c