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1696c75f18
linux/fs
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Alexander Aring 1696c75f18 fs: dlm: add send ack threshold and append acks to msgs 
This patch changes the time when we sending an ack back to tell the
other side it can free some message because it is arrived on the
receiver node, due random reconnects e.g. TCP resets this is handled as
well on application layer to not let DLM run into a deadlock state.

The current handling has the following problems:

1. We end in situations that we only send an ack back message of 16
   bytes out and no other messages. Whereas DLM has logic to combine
   so much messages as it can in one send() socket call. This behaviour
   can be discovered by "trace-cmd start -e dlm_recv" and observing the
   ret field being 16 bytes.

2. When processing of DLM messages will never end because we receive a
   lot of messages, we will not send an ack back as it happens when
   the processing loop ends.

This patch introduces a likely and unlikely threshold case. The likely
case will send an ack back on a transmit path if the threshold is
triggered of amount of processed upper layer protocol. This will solve
issue 1 because it will be send when another normal DLM message will be
sent. It solves issue 2 because it is not part of the processing loop.

There is however a unlikely case, the unlikely case has a bigger
threshold and will be triggered when we only receive messages and do not
sent any message back. This case avoids that the sending node will keep
a lot of message for a long time as we send sometimes ack backs to tell
the sender to finally release messages.

The atomic cmpxchg() is there to provide a atomically ack send with
reset of the upper layer protocol delivery counter.

Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
2023-06-14 10:17:33 -05:00
..
9p Including fixes from netfilter. 2023-05-05 19:12:01 -07:00
adfs fs: port ->setattr() to pass mnt_idmap 2023-01-19 09:24:02 +01:00
affs for-6.3/dio-2023-02-16 2023-02-20 14:10:36 -08:00
afs Five hotfixes. Three are cc:stable, two pertain to post-6.3 merge window 2023-05-06 11:25:03 -07:00
autofs fs: port ->permission() to pass mnt_idmap 2023-01-19 09:24:28 +01:00
befs
bfs fs: port inode_init_owner() to mnt_idmap 2023-01-19 09:24:28 +01:00
btrfs for-6.4-rc1-tag 2023-05-12 17:10:32 -05:00
cachefiles fs/cachefiles: simplify one-level sysctl registration for cachefiles_sysctls 2023-04-13 11:49:35 -07:00
ceph ceph: force updating the msg pointer in non-split case 2023-05-18 11:15:28 +02:00
cifs SMB3: drop reference to cfile before sending oplock break 2023-05-17 12:04:41 -05:00
coda sysctl-6.4-rc1 2023-04-27 16:52:33 -07:00
configfs fs: consolidate duplicate dt_type helpers 2023-04-03 09:23:54 +02:00
cramfs fs/cramfs/inode.c: initialize file_ra_state 2023-03-02 21:54:23 -08:00
crypto fscrypt: optimize fscrypt_initialize() 2023-04-06 11:16:39 -07:00
debugfs ARM: SoC drivers for 6.3 2023-02-27 10:04:49 -08:00
devpts devpts: simplify two-level sysctl registration for pty_kern_table 2023-03-13 12:36:34 +01:00
dlm fs: dlm: add send ack threshold and append acks to msgs 2023-06-14 10:17:33 -05:00
ecryptfs fs: drop unused posix acl handlers 2023-03-06 09:57:12 +01:00
efivarfs A healthy mix of EFI contributions this time: 2023-02-23 14:41:48 -08:00
efs
erofs Changes since last update: 2023-04-24 14:25:39 -07:00
exfat Description for this pull request: 2023-03-01 08:42:27 -08:00
exportfs fs: port ->permission() to pass mnt_idmap 2023-01-19 09:24:28 +01:00
ext2 \n 2023-04-26 09:07:46 -07:00
ext4 ext4: bail out of ext4_xattr_ibody_get() fails for any reason 2023-05-13 18:05:05 -04:00
f2fs f2fs update for 6.4-rc1 2023-04-26 09:42:10 -07:00
fat There is no particular theme here - mainly quick hits all over the tree. 2023-02-23 17:55:40 -08:00
freevxfs There is no particular theme here - mainly quick hits all over the tree. 2023-02-23 17:55:40 -08:00
fscache fscache: Use clear_and_wake_up_bit() in fscache_create_volume_work() 2023-01-30 12:51:54 +00:00
fuse Driver core changes for 6.4-rc1 2023-04-27 11:53:57 -07:00
gfs2 gfs2: Don't deref jdesc in evict 2023-05-10 17:15:18 +02:00
hfs There is no particular theme here - mainly quick hits all over the tree. 2023-02-23 17:55:40 -08:00
hfsplus fs: hfsplus: remove WARN_ON() from hfsplus_cat_{read,write}_inode() 2023-04-12 11:29:32 +02:00
hostfs um: hostfs: define our own API boundary 2023-04-20 23:04:40 +02:00
hpfs fs: port ->rename() to pass mnt_idmap 2023-01-19 09:24:26 +01:00
hugetlbfs mm: move 'mmap_min_addr' logic from callers into vm_unmapped_area() 2023-04-21 14:52:05 -07:00
iomap New code for 6.4: 2023-04-29 10:35:48 -07:00
isofs - hfs and hfsplus kmap API modernization from Fabio Francesco 2022-10-12 11:00:22 -07:00
jbd2 jdb2: Don't refuse invalidation of already invalidated buffers 2023-04-14 19:38:50 -04:00
jffs2 fs: rename generic posix acl handlers 2023-03-06 09:57:13 +01:00
jfs write_one_page series 2023-04-24 19:20:27 -07:00
kernfs Driver core changes for 6.4-rc1 2023-04-27 11:53:57 -07:00
ksmbd ksmbd: smb2: Allow messages padded to 8byte boundary 2023-05-16 10:26:14 -05:00
lockd nfsd-6.4 fixes: 2023-05-17 09:56:01 -07:00
minix Merge branch 'work.minix' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2023-02-24 19:01:15 -08:00
netfs - Nick Piggin's "shoot lazy tlbs" series, to improve the peformance of 2023-04-27 19:42:02 -07:00
nfs nfs: fix another case of NULL/IS_ERR confusion wrt folio pointers 2023-05-09 10:22:13 -07:00
nfs_common NFSv4.2: remove MODULE_LICENSE in non-modules 2023-04-13 13:13:52 -07:00
nfsd nfsd-6.4 fixes: 2023-05-17 09:56:01 -07:00
nilfs2 nilfs2: fix use-after-free bug of nilfs_root in nilfs_evict_inode() 2023-05-17 15:24:34 -07:00
nls
notify inotify: Avoid reporting event with invalid wd 2023-04-25 12:36:55 +02:00
ntfs ntfs: simplfy one-level sysctl registration for ntfs_sysctls 2023-04-13 11:49:35 -07:00
ntfs3 driver ntfs3 for linux 6.4 2023-04-29 10:52:37 -07:00
ocfs2 Mainly singleton patches all over the place. Series of note are: 2023-04-27 19:57:00 -07:00
omfs fs: port inode_init_owner() to mnt_idmap 2023-01-19 09:24:28 +01:00
openpromfs
orangefs - Nick Piggin's "shoot lazy tlbs" series, to improve the peformance of 2023-04-27 19:42:02 -07:00
overlayfs ovl: check for ->listxattr() support 2023-03-06 09:57:13 +01:00
proc sysctl: remove register_sysctl_paths() 2023-05-02 19:24:16 -07:00
pstore pstore update for v6.4-rc1 2023-04-27 17:03:40 -07:00
qnx4 qnx4: credit contributors in CREDITS 2023-03-14 12:56:30 -06:00
qnx6 qnx6: credit contributor and mark filesystem orphan 2023-03-14 12:56:30 -06:00
quota quota: mark PRINT_QUOTA_WARNING as BROKEN 2023-04-14 13:06:50 +02:00
ramfs mm, treewide: redefine MAX_ORDER sanely 2023-04-05 19:42:46 -07:00
reiserfs \n 2023-04-26 09:07:46 -07:00
romfs mm/nommu: factor out check for NOMMU shared mappings into is_nommu_shared_mapping() 2023-01-18 17:12:56 -08:00
smbfs_common SMB3.1.1: correct definition for app_instance_id create contexts 2023-05-02 09:23:23 -05:00
squashfs revert "squashfs: harden sanity check in squashfs_read_xattr_id_table" 2023-02-03 17:52:25 -08:00
sysfs
sysv sysv: switch to put_and_unmap_page() 2023-03-12 20:03:41 -04:00
tracefs fs: port ->mkdir() to pass mnt_idmap 2023-01-19 09:24:26 +01:00
ubifs ubifs: Fix memleak when insert_old_idx() failed 2023-04-23 23:36:38 +02:00
udf udf: use wrapper i_blocksize() in udf_discard_prealloc() 2023-03-13 11:16:16 +01:00
ufs ufs: don't flush page immediately for DIRSYNC directories 2023-03-28 16:20:14 -07:00
unicode unicode: remove MODULE_LICENSE in non-modules 2023-04-13 13:13:54 -07:00
vboxsf fs: port ->rename() to pass mnt_idmap 2023-01-19 09:24:26 +01:00
verity fsverity: reject FS_IOC_ENABLE_VERITY on mode 3 fds 2023-04-11 19:23:23 -07:00
xfs xfs: bug fixes for 6.4-rc2 2023-05-11 16:51:11 -05:00
zonefs zonefs: Do not propagate iomap_dio_rw() ENOTBLK error to user space 2023-03-30 20:56:02 +09:00
aio.c Merge branch 'mm-hotfixes-stable' into mm-stable 2023-02-10 15:34:48 -08:00
anon_inodes.c dynamic_dname(): drop unused dentry argument 2022-08-20 11:34:04 -04:00
attr.c nfs: use vfs setgid helper 2023-03-30 08:51:48 +02:00
bad_inode.c fs: port ->permission() to pass mnt_idmap 2023-01-19 09:24:28 +01:00
binfmt_elf_fdpic.c ELF: fix all "Elf" typos 2023-04-08 13:45:37 -07:00
binfmt_elf_test.c
binfmt_elf.c Mainly singleton patches all over the place. Series of note are: 2023-04-27 19:57:00 -07:00
binfmt_flat.c
binfmt_misc.c binfmt_misc: fix shift-out-of-bounds in check_special_flags 2022-12-02 13:57:04 -08:00
binfmt_script.c
buffer.c - Nick Piggin's "shoot lazy tlbs" series, to improve the peformance of 2023-04-27 19:42:02 -07:00
char_dev.c chardev: fix error handling in cdev_device_add() 2022-12-02 17:48:59 +01:00
compat_binfmt_elf.c
coredump.c mm: hwpoison: coredump: support recovery from dump_user_range() 2023-05-02 17:21:50 -07:00
d_path.c d_path.c: typo fix... 2022-08-20 11:34:33 -04:00
dax.c fsdax: force clear dirty mark if CoW 2023-04-05 18:06:23 -07:00
dcache.c tmpfile API change 2022-10-10 19:45:17 -07:00
direct-io.c __blockdev_direct_IO(): get rid of submit_io callback 2023-03-05 20:27:41 -05:00
drop_caches.c
eventfd.c eventfd: use wait_event_interruptible_locked_irq() helper 2023-04-06 10:01:50 +02:00
eventpoll.c Mainly singleton patches all over the place. Series of note are: 2023-04-27 19:57:00 -07:00
exec.c tracing updates for 6.4: 2023-04-28 15:57:53 -07:00
fcntl.c fs.idmapped.v6.3 2023-02-20 11:53:11 -08:00
fhandle.c do_sys_name_to_handle(): constify path 2022-09-01 17:36:39 -04:00
file_table.c filelock: move file locking definitions to separate header file 2023-01-11 06:52:32 -05:00
file.c fs: prevent out-of-bounds array speculation when closing a file descriptor 2023-03-09 22:46:21 -05:00
filesystems.c
fs_context.c
fs_parser.c ext4: journal_path mount options should follow links 2022-12-01 10:46:54 -05:00
fs_pin.c
fs_struct.c
fs_types.c
fs-writeback.c for-6.4/block-2023-05-06 2023-05-06 08:28:58 -07:00
fsopen.c
init.c fs: port ->permission() to pass mnt_idmap 2023-01-19 09:24:28 +01:00
inode.c - Nick Piggin's "shoot lazy tlbs" series, to improve the peformance of 2023-04-27 19:42:02 -07:00
internal.h five ksmbd server fixes, and new lock_rename_child VFS helper routine 2023-04-29 11:10:39 -07:00
ioctl.c fs: port inode_owner_or_capable() to mnt_idmap 2023-01-19 09:24:29 +01:00
Kconfig mm/hugetlb_vmemmap: rename ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP 2023-04-18 16:30:09 -07:00
Kconfig.binfmt Xtensa updates for v6.1 2022-10-10 14:21:11 -07:00
kernel_read_file.c
libfs.c fs: consolidate duplicate dt_type helpers 2023-04-03 09:23:54 +02:00
locks.c filelocks: use mount idmapping for setlease permission check 2023-03-09 22:36:12 +01:00
Makefile This pull request contains the following changes for UML: 2023-05-03 19:02:03 -07:00
mbcache.c ext4: fix deadlock due to mbcache entry corruption 2022-12-08 21:49:25 -05:00
mnt_idmapping.c fs: move mnt_idmap 2023-01-19 09:24:30 +01:00
mount.h
mpage.c mpage: use folios in bio end_io handler 2023-04-18 16:30:02 -07:00
namei.c five ksmbd server fixes, and new lock_rename_child VFS helper routine 2023-04-29 11:10:39 -07:00
namespace.c fget() to fdget() conversions 2023-04-24 19:14:20 -07:00
no-block.c
nsfs.c kill the last remaining user of proc_ns_fget() 2023-04-20 22:55:35 -04:00
open.c open: return EINVAL for O_DIRECTORY | O_CREAT 2023-03-22 11:06:55 +01:00
pipe.c pipe: check for IOCB_NOWAIT alongside O_NONBLOCK 2023-05-12 17:17:27 +02:00
pnode.c pnode: pass mountpoint directly 2023-04-06 14:53:38 +02:00
pnode.h
posix_acl.c acl: don't depend on IOP_XATTR 2023-03-06 09:59:20 +01:00
proc_namespace.c
read_write.c iov_iter: add iter_iov_addr() and iter_iov_len() helpers 2023-03-30 08:12:29 -06:00
readdir.c Change calling conventions for filldir_t 2022-08-17 17:25:04 -04:00
remap_range.c fs: port i_{g,u}id_into_vfs{g,u}id() to mnt_idmap 2023-01-19 09:24:29 +01:00
select.c
seq_file.c use less confusing names for iov_iter direction initializers 2022-11-25 13:01:55 -05:00
signalfd.c
splice.c pipe-nonblock-2023-05-06 2023-05-06 08:15:20 -07:00
stack.c
stat.c fs.idmapped.v6.3 2023-02-20 11:53:11 -08:00
statfs.c statfs: enforce statfs[64] structure initialization 2023-05-17 15:20:17 +02:00
super.c mm: shrinkers: convert shrinker_rwsem to mutex 2023-03-28 16:20:17 -07:00
sync.c
sysctls.c
timerfd.c
userfaultfd.c - Nick Piggin's "shoot lazy tlbs" series, to improve the peformance of 2023-04-27 19:42:02 -07:00
utimes.c fs.idmapped.v6.3 2023-02-20 11:53:11 -08:00
xattr.c acl: don't depend on IOP_XATTR 2023-03-06 09:59:20 +01:00