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linux-brain/fs/ceph
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Jeff Layton 6a81749ebe ceph: increment/decrement dio counter on async requests 
Ceph can in some cases issue an async DIO request, in which case we can
end up calling ceph_end_io_direct before the I/O is actually complete.
That may allow buffered operations to proceed while DIO requests are
still in flight.

Fix this by incrementing the i_dio_count when issuing an async DIO
request, and decrement it when tearing down the aio_req.

Fixes: 321fe13c93 ("ceph: add buffered/direct exclusionary locking for reads and writes")
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
 		2019-11-14 18:44:51 +01:00
..
Kconfig ceph: add selinux support 2019-07-08 14:01:42 +02:00
Makefile ceph: add buffered/direct exclusionary locking for reads and writes 2019-09-16 12:06:25 +02:00
acl.c ceph: rename struct ceph_acls_info to ceph_acl_sec_ctx 2019-07-08 14:01:42 +02:00
addr.c ceph: use release_pages() directly 2019-09-16 12:06:25 +02:00
cache.c ceph: include ceph_debug.h in cache.c 2019-09-16 12:06:25 +02:00
cache.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 188 2019-05-30 11:29:21 -07:00
caps.c ceph: fix use-after-free in __ceph_remove_cap() 2019-10-29 22:29:51 +01:00
ceph_frag.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debugfs.c ceph: don't return a value from void function 2019-09-16 12:06:25 +02:00
dir.c ceph: fix RCU case handling in ceph_d_revalidate() 2019-10-29 22:29:54 +01:00
export.c ceph: move static keyword to the front of declarations 2019-09-16 12:06:25 +02:00
file.c ceph: increment/decrement dio counter on async requests 2019-11-14 18:44:51 +01:00
inode.c ceph: add missing check in d_revalidate snapdir handling 2019-10-29 22:29:55 +01:00
io.c ceph: add buffered/direct exclusionary locking for reads and writes 2019-09-16 12:06:25 +02:00
io.h ceph: add buffered/direct exclusionary locking for reads and writes 2019-09-16 12:06:25 +02:00
ioctl.c libceph, ceph: move ceph_calc_file_object_mapping() to striper.c 2018-04-02 10:12:43 +02:00
ioctl.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
locks.c ceph: return -EIO if read/write against filp that lost file locks 2019-09-16 12:06:24 +02:00
mds_client.c ceph: just skip unrecognized info in ceph_reply_info_extra 2019-10-15 17:43:10 +02:00
mds_client.h ceph: eliminate session->s_trim_caps 2019-09-16 12:06:24 +02:00
mdsmap.c ceph: have MDS map decoding use entity_addr_t decoder 2019-07-08 14:01:43 +02:00
quota.c ceph: fix infinite loop in get_quota_realm() 2019-07-08 14:01:42 +02:00
snap.c ceph: fix buffer free while holding i_ceph_lock in __ceph_build_xattrs_blob() 2019-08-22 10:47:41 +02:00
strings.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
super.c ceph: return -EINVAL if given fsc mount option on kernel w/o support 2019-11-07 18:03:23 +01:00
super.h ceph: turn ceph_security_invalidate_secctx into static inline 2019-09-16 12:06:25 +02:00
xattr.c ceph: allow arbitrary security.* xattrs 2019-09-16 12:06:25 +02:00