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linux/net/ceph
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Ilya Dryomov 0d9c1ab3be libceph: preallocate message data items 
Currently message data items are allocated with ceph_msg_data_create()
in setup_request_data() inside send_request().  send_request() has never
been allowed to fail, so each allocation is followed by a BUG_ON:

  data = ceph_msg_data_create(...);
  BUG_ON(!data);

It's been this way since support for multiple message data items was
added in commit 6644ed7b7e ("libceph: make message data be a pointer")
in 3.10.

There is no reason to delay the allocation of message data items until
the last possible moment and we certainly don't need a linked list of
them as they are only ever appended to the end and never erased.  Make
ceph_msg_new2() take max_data_items and adapt the rest of the code.

Reported-by: Jerry Lee <leisurelysw24@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2018-10-22 10:28:22 +02:00
..
crush crush: fix using plain integer as NULL warning 2018-08-13 17:55:44 +02:00
armor.c
auth.c libceph: add authorizer challenge 2018-08-02 21:33:24 +02:00
auth_none.c ceph: fix whitespace 2018-08-02 21:33:21 +02:00
auth_none.h ceph: fix whitespace 2018-08-02 21:33:21 +02:00
auth_x.c libceph: weaken sizeof check in ceph_x_verify_authorizer_reply() 2018-08-02 21:33:26 +02:00
auth_x.h ceph: fix whitespace 2018-08-02 21:33:21 +02:00
auth_x_protocol.h libceph: add authorizer challenge 2018-08-02 21:33:24 +02:00
buffer.c
ceph_common.c libceph: remove unnecessary non NULL check for request_key 2018-08-13 17:55:44 +02:00
ceph_fs.c
ceph_hash.c
ceph_strings.c
cls_lock_client.c libceph: use timespec64 in for keepalive2 and ticket validity 2018-08-02 21:26:12 +02:00
crypto.c
crypto.h
debugfs.c
Kconfig ceph: fix whitespace 2018-08-02 21:33:21 +02:00
Makefile ceph: fix whitespace 2018-08-02 21:33:21 +02:00
messenger.c libceph: preallocate message data items 2018-10-22 10:28:22 +02:00
mon_client.c ceph: fix whitespace 2018-08-02 21:33:21 +02:00
msgpool.c libceph: preallocate message data items 2018-10-22 10:28:22 +02:00
osd_client.c libceph: preallocate message data items 2018-10-22 10:28:22 +02:00
osdmap.c The main piece is a set of libceph changes that revamps how OSD 2018-06-15 07:24:58 +09:00
pagelist.c libceph: introduce ceph_pagelist_alloc() 2018-10-22 10:28:21 +02:00
pagevec.c ceph: fix whitespace 2018-08-02 21:33:21 +02:00
snapshot.c
string_table.c
striper.c