linux/fs/ceph
Sage Weil f818a73674 ceph: fix cap removal races
The iterate_session_caps helper traverses the session caps list and tries
to grab an inode reference.  However, the __ceph_remove_cap was clearing
the inode backpointer _before_ removing itself from the session list,
causing a null pointer dereference.

Clear cap->ci under protection of s_cap_lock to avoid the race, and to
tightly couple the list and backpointer state.  Use a local flag to
indicate whether we are releasing the cap, as cap->session may be modified
by a racing thread in iterate_session_caps.

Signed-off-by: Sage Weil <sage@newdream.net>
2010-05-11 20:56:31 -07:00
..
crush ceph: whitespace cleanup 2009-12-03 14:59:44 -08:00
addr.c ceph: don't use writeback_control in writepages completion 2010-05-05 21:31:40 -07:00
armor.c ceph: aes crypto and base64 encode/decode helpers 2010-02-10 15:04:46 -08:00
auth_none.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
auth_none.h ceph: add missing #includes 2010-05-03 10:49:24 -07:00
auth_x_protocol.h ceph: add support for auth_x authentication protocol 2010-02-11 11:48:45 -08:00
auth_x.c ceph: remove bad auth_x kmem_cache 2010-05-03 10:49:25 -07:00
auth_x.h ceph: add support for auth_x authentication protocol 2010-02-11 11:48:45 -08:00
auth.c ceph: add missing #includes 2010-05-03 10:49:24 -07:00
auth.h ceph: allow renewal of auth credentials 2010-02-10 15:04:47 -08:00
buffer.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
buffer.h ceph: buffer decoding helpers 2010-02-10 15:04:39 -08:00
caps.c ceph: fix cap removal races 2010-05-11 20:56:31 -07:00
ceph_debug.h ceph: client types 2009-10-06 11:31:07 -07:00
ceph_frag.c ceph: client types 2009-10-06 11:31:07 -07:00
ceph_frag.h ceph: client types 2009-10-06 11:31:07 -07:00
ceph_fs.c ceph: make object hash a pg_pool property 2009-11-06 21:55:25 -08:00
ceph_fs.h ceph: v0.19 release 2010-02-17 13:56:07 -08:00
ceph_hash.c ceph: whitespace cleanup 2009-12-03 14:59:44 -08:00
ceph_hash.h ceph: make object hash a pg_pool property 2009-11-06 21:55:25 -08:00
ceph_strings.c ceph: negotiate authentication protocol; implement AUTH_NONE protocol 2009-11-18 16:19:57 -08:00
crypto.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
crypto.h ceph: aes crypto and base64 encode/decode helpers 2010-02-10 15:04:46 -08:00
debugfs.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
decode.h ceph: buffer decoding helpers 2010-02-10 15:04:39 -08:00
dir.c ceph: clear dir complete, invalidate dentry on replayed rename 2010-05-03 10:49:25 -07:00
export.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
file.c ceph: fix direct io truncate offset 2010-05-03 10:49:25 -07:00
inode.c ceph: fix open file counting on snapped inodes when mds returns no caps 2010-05-11 09:53:55 -07:00
ioctl.c ceph: allow preferred osd to be get/set via layout ioctl 2009-12-03 14:59:48 -08:00
ioctl.h ceph: allow preferred osd to be get/set via layout ioctl 2009-12-03 14:59:48 -08:00
Kconfig ceph: aes crypto and base64 encode/decode helpers 2010-02-10 15:04:46 -08:00
Makefile ceph: add support for auth_x authentication protocol 2010-02-11 11:48:45 -08:00
mds_client.c ceph: fix cap removal races 2010-05-11 20:56:31 -07:00
mds_client.h ceph: fix iterate_caps removal race 2010-02-17 10:02:47 -08:00
mdsmap.c ceph: hex dump corrupt server data to KERN_DEBUG 2009-12-21 16:39:52 -08:00
mdsmap.h ceph: decode updated mdsmap format 2009-11-20 14:24:33 -08:00
messenger.c ceph: zero unused message header, footer fields 2010-05-11 15:17:40 -07:00
messenger.h ceph: avoid reopening osd connections when address hasn't changed 2010-03-23 07:47:01 -07:00
mon_client.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
mon_client.h ceph: use rbtree for mon statfs requests 2010-02-16 22:01:10 -08:00
msgpool.c ceph: reset front len on return to msgpool; BUG on mismatched front iov 2010-03-01 15:25:00 -08:00
msgpool.h ceph: warn on allocation from msgpool with larger front_len 2009-10-15 18:14:43 -07:00
msgr.h ceph: include type in ceph_entity_addr, filepath 2010-01-29 12:41:09 -08:00
osd_client.c ceph: resubmit requests on pg mapping change (not just primary change) 2010-05-11 09:53:56 -07:00
osd_client.h ceph: resubmit requests on pg mapping change (not just primary change) 2010-05-11 09:53:56 -07:00
osdmap.c ceph: resubmit requests on pg mapping change (not just primary change) 2010-05-11 09:53:56 -07:00
osdmap.h ceph: resubmit requests on pg mapping change (not just primary change) 2010-05-11 09:53:56 -07:00
pagelist.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
pagelist.h ceph: support ceph_pagelist for message payload 2009-12-23 12:12:31 -08:00
rados.h ceph: resubmit requests on pg mapping change (not just primary change) 2010-05-11 09:53:56 -07:00
README ceph: make object hash a pg_pool property 2009-11-06 21:55:25 -08:00
snap.c ceph: fix snap realm splits 2010-05-03 10:49:23 -07:00
super.c ceph: unregister bdi before kill_anon_super releases device name 2010-05-04 16:14:46 -07:00
super.h ceph: add missing #includes 2010-05-03 10:49:24 -07:00
types.h ceph: make object hash a pg_pool property 2009-11-06 21:55:25 -08:00
xattr.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00

#
# The following files are shared by (and manually synchronized
# between) the Ceph userland and kernel client.
#
# userland                  kernel
src/include/ceph_fs.h	    fs/ceph/ceph_fs.h
src/include/ceph_fs.cc	    fs/ceph/ceph_fs.c
src/include/msgr.h	    fs/ceph/msgr.h
src/include/rados.h	    fs/ceph/rados.h
src/include/ceph_strings.cc fs/ceph/ceph_strings.c
src/include/ceph_frag.h	    fs/ceph/ceph_frag.h
src/include/ceph_frag.cc    fs/ceph/ceph_frag.c
src/include/ceph_hash.h	    fs/ceph/ceph_hash.h
src/include/ceph_hash.cc    fs/ceph/ceph_hash.c
src/crush/crush.c	    fs/ceph/crush/crush.c
src/crush/crush.h	    fs/ceph/crush/crush.h
src/crush/mapper.c	    fs/ceph/crush/mapper.c
src/crush/mapper.h	    fs/ceph/crush/mapper.h
src/crush/hash.h	    fs/ceph/crush/hash.h
src/crush/hash.c	    fs/ceph/crush/hash.c