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OpenCloudOS-Kernel
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OpenCloudOS-Kernel/fs/ceph
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Sage Weil 6a026589ba ceph: fix sync read eof check deadlock 
If a sync read gets a short result from the OSD, it may need to do a
getattr to see if it is short due to reaching end-of-file.  The getattr
was being done while holding a reference to FILE_RD, which can lead to
a deadlock if the MDS is revoking that capability bit and can't process
the getattr until it does.

We fix this by setting a flag if EOF size validation is needed, and doing
the getattr in ceph_aio_read, after the RD cap ref is dropped.  If the
read needs to be continued, we loop and continue traversing the file.

Signed-off-by: Sage Weil <sage@newdream.net>
 		2010-02-11 11:48:53 -08:00
..
crush ceph: whitespace cleanup 2009-12-03 14:59:44 -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
README ceph: make object hash a pg_pool property 2009-11-06 21:55:25 -08:00
addr.c ceph: refactor ceph_write_begin, fix ceph_page_mkwrite 2010-02-11 11:48:50 -08:00
armor.c ceph: aes crypto and base64 encode/decode helpers 2010-02-10 15:04:46 -08:00
auth.c ceph: add support for auth_x authentication protocol 2010-02-11 11:48:45 -08:00
auth.h ceph: allow renewal of auth credentials 2010-02-10 15:04:47 -08:00
auth_none.c ceph: add struct version to auth encoding 2010-02-10 15:04:48 -08:00
auth_none.h ceph: negotiate authentication protocol; implement AUTH_NONE protocol 2009-11-18 16:19:57 -08:00
auth_x.c ceph: add support for auth_x authentication protocol 2010-02-11 11:48:45 -08:00
auth_x.h ceph: add support for auth_x authentication protocol 2010-02-11 11:48:45 -08:00
auth_x_protocol.h ceph: add support for auth_x authentication protocol 2010-02-11 11:48:45 -08:00
buffer.c ceph: buffer decoding helpers 2010-02-10 15:04:39 -08:00
buffer.h ceph: buffer decoding helpers 2010-02-10 15:04:39 -08:00
caps.c ceph: do not retain caps that are being revoked 2010-02-11 11:48:52 -08:00
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: always send truncation info with read and write osd ops 2010-02-02 16:29:50 -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 ceph: aes crypto and base64 encode/decode helpers 2010-02-10 15:04:46 -08:00
crypto.h ceph: aes crypto and base64 encode/decode helpers 2010-02-10 15:04:46 -08:00
debugfs.c ceph: display pgid in debugfs osd request dump 2010-01-14 12:23:39 -08:00
decode.h ceph: buffer decoding helpers 2010-02-10 15:04:39 -08:00
dir.c ceph: add feature bits to connection handshake (protocol change) 2009-12-23 09:30:21 -08:00
export.c ceph: nfs re-export support 2009-10-06 11:31:13 -07:00
file.c ceph: fix sync read eof check deadlock 2010-02-11 11:48:53 -08:00
inode.c ceph: fix truncation when not holding caps 2010-02-11 11:48:51 -08:00
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
mds_client.c ceph: allow renewal of auth credentials 2010-02-10 15:04:47 -08:00
mds_client.h ceph: properly handle aborted mds requests 2010-01-25 11:49:51 -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: allow renewal of auth credentials 2010-02-10 15:04:47 -08:00
messenger.h ceph: allow renewal of auth credentials 2010-02-10 15:04:47 -08:00
mon_client.c ceph: allow renewal of auth credentials 2010-02-10 15:04:47 -08:00
mon_client.h ceph: allow renewal of auth credentials 2010-02-10 15:04:47 -08:00
msgpool.c ceph: more informative msgpool errors 2009-12-23 08:17:21 -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: put unused osd connections on lru 2010-02-11 11:48:48 -08:00
osd_client.h ceph: put unused osd connections on lru 2010-02-11 11:48:48 -08:00
osdmap.c ceph: add uid field to ceph_pg_pool 2010-02-11 11:48:49 -08:00
osdmap.h ceph: fix endian conversions for ceph_pg 2009-11-04 16:36:07 -08:00
pagelist.c ceph: support ceph_pagelist for message payload 2009-12-23 12:12:31 -08:00
pagelist.h ceph: support ceph_pagelist for message payload 2009-12-23 12:12:31 -08:00
rados.h ceph: add uid field to ceph_pg_pool 2010-02-11 11:48:49 -08:00
snap.c ceph: hex dump corrupt server data to KERN_DEBUG 2009-12-21 16:39:52 -08:00
super.c ceph: put unused osd connections on lru 2010-02-11 11:48:48 -08:00
super.h ceph: put unused osd connections on lru 2010-02-11 11:48:48 -08:00
types.h ceph: make object hash a pg_pool property 2009-11-06 21:55:25 -08:00
xattr.c ceph: simplify ceph_buffer interface 2009-12-07 12:17:17 -08:00

README 

#
# 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