AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity
45faeff11b
kernel_optimize_test/fs
History
Luke Hsiao 901341bb97 io_uring: ignore POLLIN for recvmsg on MSG_ERRQUEUE 
Currently, io_uring's recvmsg subscribes to both POLLERR and POLLIN. In
the context of TCP tx zero-copy, this is inefficient since we are only
reading the error queue and not using recvmsg to read POLLIN responses.

This patch was tested by using a simple sending program to call recvmsg
using io_uring with MSG_ERRQUEUE set and verifying with printks that the
POLLIN is correctly unset when the msg flags are MSG_ERRQUEUE.

Signed-off-by: Arjun Roy <arjunroy@google.com>
Signed-off-by: Soheil Hassas Yeganeh <soheil@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Luke Hsiao <lukehsiao@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-24 16:16:06 -07:00
..
9p 9p: Remove unneeded cast from memory allocation 2020-07-31 07:28:25 +02:00
adfs
affs
afs afs: Fix NULL deref in afs_dynroot_depopulate() 2020-08-21 10:56:40 -07:00
autofs fs: autofs: delete repeated words in comments 2020-08-14 19:56:56 -07:00
befs
bfs
btrfs for-5.9-tag 2020-08-13 12:26:18 -07:00
cachefiles cachefiles: switch to kernel_write 2020-07-08 08:27:56 +02:00
ceph ceph: handle zero-length feature mask in session messages 2020-08-05 17:47:07 +02:00
cifs 3 small cifs/smb3 fixes, one for stable fixing mkdir path with idsfromsid mount option 2020-08-15 08:31:39 -07:00
coda
configfs
cramfs
crypto mm, treewide: rename kzfree() to kfree_sensitive() 2020-08-07 11:33:22 -07:00
debugfs Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-08-05 20:13:21 -07:00
devpts
dlm dlm for 5.9 2020-08-06 19:44:25 -07:00
ecryptfs mm, treewide: rename kzfree() to kfree_sensitive() 2020-08-07 11:33:22 -07:00
efivarfs efi/efivars: Expose RT service availability via efivars abstraction 2020-07-09 10:14:29 +03:00
efs
erofs Changes since last update: 2020-08-06 19:22:51 -07:00
exfat exfat: retain 'VolumeFlags' properly 2020-08-12 08:31:13 +09:00
exportfs
ext2 ext2: ext2.h: fix duplicated word + typos 2020-07-27 10:58:06 +02:00
ext4 Improvements to ext4's block allocator performance for very large file 2020-08-21 11:03:38 -07:00
f2fs f2fs-for-5.9-rc1 2020-08-10 18:33:22 -07:00
fat fat: fix fat_ra_init() for data clusters == 0 2020-08-12 10:58:01 -07:00
freevxfs
fscache
fuse virtio: fixes, features 2020-08-11 14:34:17 -07:00
gfs2 Changes in gfs2: 2020-08-10 18:22:43 -07:00
hfs
hfsplus treewide: Remove uninitialized_var() usage 2020-07-16 12:35:15 -07:00
hostfs
hpfs
hugetlbfs hugetlbfs: prevent filesystem stacking of hugetlbfs 2020-08-12 10:57:56 -07:00
iomap iomap: fall back to buffered writes for invalidation failures 2020-08-05 09:24:16 -07:00
isofs Remove uninitialized_var() macro for v5.9-rc1 2020-08-04 13:49:43 -07:00
jbd2 jbd2: clean up checksum verification in do_one_pass() 2020-08-19 12:04:35 -04:00
jffs2 This pull request contains changes for JFFS2, UBI and UBIFS 2020-08-10 18:20:04 -07:00
jfs
kernfs fsnotify: pass dir and inode arguments to fsnotify() 2020-07-27 23:15:48 +02:00
lockd
minix fs/minix: remove expected error message in block_to_path() 2020-08-12 10:58:00 -07:00
nfs NFS client updates for Linux 5.9 2020-08-15 08:26:55 -07:00
nfs_common
nfsd Highlights: 2020-08-09 13:58:04 -07:00
nilfs2 nilfs2: use a more common logging style 2020-08-12 10:58:01 -07:00
nls
notify fanotify: compare fsid when merging name event 2020-07-28 10:58:07 +02:00
ntfs ntfs: fix ntfs_test_inode and ntfs_init_locked_inode function type 2020-08-07 11:33:21 -07:00
ocfs2 Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-08-07 21:14:30 -07:00
omfs treewide: Remove uninitialized_var() usage 2020-07-16 12:35:15 -07:00
openpromfs
orangefs orangefs: remove unnecessary assignment to variable ret 2020-08-04 15:01:58 -04:00
overlayfs Remove uninitialized_var() macro for v5.9-rc1 2020-08-04 13:49:43 -07:00
proc mm, oom: make the calculation of oom badness more accurate 2020-08-12 10:57:56 -07:00
pstore pstore: Fix linking when crypto API disabled 2020-07-06 19:42:31 -07:00
qnx4
qnx6
quota \n 2020-08-06 19:28:26 -07:00
ramfs
reiserfs \n 2020-08-06 19:28:26 -07:00
romfs romfs: fix uninitialized memory leak in romfs_dev_read() 2020-08-21 09:52:53 -07:00
squashfs squashfs: avoid bio_alloc() failure with 1Mbyte blocks 2020-08-21 09:52:53 -07:00
sysfs
sysv
tracefs
ubifs This pull request contains changes for JFFS2, UBI and UBIFS 2020-08-10 18:20:04 -07:00
udf \n 2020-08-06 19:28:26 -07:00
ufs fs/ufs: avoid potential u32 multiplication overflow 2020-08-12 10:58:01 -07:00
unicode
vboxsf
verity fs-verity: use smp_load_acquire() for ->i_verity_info 2020-07-21 16:02:41 -07:00
xfs Fixes for 5.9-rc1: 2020-08-13 12:22:19 -07:00
zonefs zonefs: add zone-capacity support 2020-08-11 17:42:24 +09:00
aio.c mm: remove unnecessary wrapper function do_mmap_pgoff() 2020-08-07 11:33:27 -07:00
anon_inodes.c
attr.c
bad_inode.c
binfmt_aout.c
binfmt_elf_fdpic.c Merge branch 'work.fdpic' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-08-07 13:29:39 -07:00
binfmt_elf.c kill elf_fpxregs_t 2020-07-27 14:29:23 -04:00
binfmt_em86.c
binfmt_flat.c
binfmt_misc.c
binfmt_script.c
block_dev.c for-5.9/io_uring-20200802 2020-08-03 13:01:22 -07:00
buffer.c Improvements to ext4's block allocator performance for very large file 2020-08-21 11:03:38 -07:00
char_dev.c
compat_binfmt_elf.c
compat.c
coredump.c coredump: add %f for executable filename 2020-08-12 10:58:01 -07:00
d_path.c
dax.c dax: Fix incorrect argument passed to xas_set_err() 2020-07-30 18:14:33 -06:00
dcache.c vfs: Use sequence counter with associated spinlock 2020-07-29 16:14:27 +02:00
dcookies.c
direct-io.c
drop_caches.c
eventfd.c
eventpoll.c do_epoll_ctl(): clean the failure exits up a bit 2020-08-22 18:25:52 -04:00
exec.c mm/gup: remove task_struct pointer for all gup code 2020-08-12 10:58:04 -07:00
fcntl.c
fhandle.c
file_table.c
file.c Merge branch 'hch.init_path' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-08-07 09:40:34 -07:00
filesystems.c
fs_context.c
fs_parser.c
fs_pin.c
fs_struct.c vfs: Use sequence counter with associated spinlock 2020-07-29 16:14:27 +02:00
fs_types.c
fs-writeback.c
fsopen.c
init.c init: add an init_dup helper 2020-08-04 21:02:38 -04:00
inode.c
internal.h Merge branch 'hch.init_path' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-08-07 09:40:34 -07:00
io_uring.c io_uring: ignore POLLIN for recvmsg on MSG_ERRQUEUE 2020-08-24 16:16:06 -07:00
io-wq.c io-wq: update hash bits 2020-07-25 09:47:44 -06:00
io-wq.h io_uring/io-wq: move RLIMIT_FSIZE to io-wq 2020-07-24 13:00:44 -06:00
ioctl.c fs: remove ksys_ioctl 2020-07-31 08:16:01 +02:00
Kconfig tmpfs: support 64-bit inums per-sb 2020-08-07 11:33:24 -07:00
Kconfig.binfmt
libfs.c
locks.c Highlights: 2020-08-09 13:58:04 -07:00
Makefile init: add an init_mount helper 2020-07-31 08:17:51 +02:00
mbcache.c
mount.h
mpage.c
namei.c exec: restore EACCES of S_ISDIR execve() 2020-08-14 19:56:56 -07:00
namespace.c Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-08-07 21:03:25 -07:00
no-block.c
nsfs.c
open.c exec: move S_ISREG() check earlier 2020-08-12 10:58:01 -07:00
pipe.c
pnode.c
pnode.h
posix_acl.c
proc_namespace.c
read_write.c initrd: switch initrd loading to struct file based APIs 2020-07-30 08:22:47 +02:00
readdir.c fs: remove ksys_getdents64 2020-07-31 08:16:00 +02:00
select.c
seq_file.c
signalfd.c fs/signalfd.c: fix inconsistent return codes for signalfd4 2020-08-12 10:58:01 -07:00
splice.c
stack.c
stat.c
statfs.c
super.c
sync.c
timerfd.c
userfaultfd.c A set of locking fixes and updates: 2020-08-10 19:07:44 -07:00
utimes.c fs: expose utimes_common 2020-07-31 08:16:01 +02:00
xattr.c xattr: add a function to check if a namespace is supported 2020-07-13 17:27:03 -04:00