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Oleg Nesterov 8cf8b5539a select: change do_poll() to return -ERESTARTNOHAND rather than -EINTR 
do_poll() returns -EINTR if interrupted and after that all its callers
have to translate it into -ERESTARTNOHAND.  Change do_poll() to return
-ERESTARTNOHAND and update (simplify) the callers.

Note that this also unifies all users of restore_saved_sigmask_unless(),
see the next patch.

Linus:

: The *right* return value will actually be then chosen by
: poll_select_copy_remaining(), which will turn ERESTARTNOHAND to EINTR
: when it can't update the timeout.
:
: Except for the cases that use restart_block and do that instead and
: don't have the whole timeout restart issue as a result.

Link: http://lkml.kernel.org/r/20190606140852.GB13440@redhat.com
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: David Laight <David.Laight@aculab.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Deepa Dinamani <deepa.kernel@gmail.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Eric Wong <e@80x24.org>
Cc: Jason Baron <jbaron@akamai.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-07-16 19:23:24 -07:00
..
9p 9p: pass the correct prototype to read_cache_page 2019-07-12 11:05:43 -07:00
adfs
affs
afs Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2019-07-11 10:55:49 -07:00
autofs
befs
bfs
btrfs for-linus-20190715 2019-07-15 21:20:52 -07:00
cachefiles
ceph Driver Core and debugfs changes for 5.3-rc1 2019-07-12 12:24:03 -07:00
cifs Changes to copy_file_range for 5.3 from Dave and Amir: 2019-07-10 20:32:37 -07:00
coda coda: add hinting support for partial file caching 2019-07-16 19:23:23 -07:00
configfs \n 2019-07-10 20:09:17 -07:00
cramfs
crypto Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs" 2019-07-10 18:43:43 -07:00
debugfs Driver Core and debugfs changes for 5.3-rc1 2019-07-12 12:24:03 -07:00
devpts
dlm dlm for 5.3 2019-07-12 17:37:53 -07:00
ecryptfs - Fix error handling when ecryptfs_read_lower() encounters an error 2019-07-14 19:29:04 -07:00
efivarfs New for 5.3: 2019-07-12 16:54:37 -07:00
efs
exportfs
ext2 New for 5.3: 2019-07-12 16:54:37 -07:00
ext4 for-linus-20190715 2019-07-15 21:20:52 -07:00
f2fs for-linus-20190715 2019-07-15 21:20:52 -07:00
fat
freevxfs
fscache Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs" 2019-07-10 18:43:43 -07:00
fuse Changes to copy_file_range for 5.3 from Dave and Amir: 2019-07-10 20:32:37 -07:00
gfs2 New for 5.3: 2019-07-12 16:54:37 -07:00
hfs
hfsplus fs/hfsplus/xattr.c: replace strncpy with memcpy 2019-07-16 19:23:23 -07:00
hostfs
hpfs
hugetlbfs
isofs
jbd2
jffs2 jffs2: pass the correct prototype to read_cache_page 2019-07-12 11:05:43 -07:00
jfs vfs: create a generic checking and prep function for FS_IOC_SETFLAGS 2019-07-01 08:25:34 -07:00
kernfs
lockd lockd: Make two symbols static 2019-07-03 17:52:09 -04:00
minix
nfs Changes to copy_file_range for 5.3 from Dave and Amir: 2019-07-10 20:32:37 -07:00
nfs_common
nfsd Driver Core and debugfs changes for 5.3-rc1 2019-07-12 12:24:03 -07:00
nilfs2 vfs: create a generic checking and prep function for FS_IOC_SETFLAGS 2019-07-01 08:25:34 -07:00
nls
notify memcg, fsnotify: no oom-kill for remote memcg charging 2019-07-12 11:05:43 -07:00
ntfs
ocfs2 New for 5.3: 2019-07-12 16:54:37 -07:00
omfs
openpromfs
orangefs New for 5.3: 2019-07-12 16:54:37 -07:00
overlayfs
proc fs/proc/proc_sysctl.c: fix the default values of i_uid/i_gid on /proc/sys inodes. 2019-07-16 19:23:21 -07:00
pstore pstore: Fix double-free in pstore_mkfile() failure path 2019-07-08 21:04:42 -07:00
qnx4
qnx6
quota \n 2019-07-10 20:27:07 -07:00
ramfs
reiserfs fs/reiserfs/journal.c: change return type of dirty_one_transaction 2019-07-16 19:23:24 -07:00
romfs
squashfs
sysfs
sysv
tracefs \n 2019-07-10 20:09:17 -07:00
ubifs This pull request contains the following changes for UBIFS 2019-07-14 17:24:12 -07:00
udf \n 2019-07-10 20:27:07 -07:00
ufs fs/ufs/super.c: remove set but not used variable 'usb3' 2019-07-16 19:23:23 -07:00
unicode Many bug fixes and cleanups, and an optimization for case-insensitive 2019-07-10 21:06:01 -07:00
xfs for-linus-20190715 2019-07-15 21:20:52 -07:00
aio.c signal: simplify set_user_sigmask/restore_user_sigmask 2019-07-16 19:23:24 -07:00
anon_inodes.c
attr.c
bad_inode.c
binfmt_aout.c
binfmt_elf.c fs/binfmt_elf.c: delete stale comment 2019-07-16 19:23:22 -07:00
binfmt_elf_fdpic.c
binfmt_em86.c
binfmt_flat.c fs/binfmt_flat.c: remove set but not used variable 'inode' 2019-07-16 19:23:22 -07:00
binfmt_misc.c
binfmt_script.c
block_dev.c block_dev: use bio_release_pages in bio_unmap_user 2019-06-29 09:47:31 -06:00
buffer.c for-linus-20190715 2019-07-15 21:20:52 -07:00
char_dev.c
compat.c
compat_binfmt_elf.c
compat_ioctl.c
coredump.c
d_path.c
dax.c Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-07-08 16:12:03 -07:00
dcache.c
dcookies.c
direct-io.c direct-io: use bio_release_pages in dio_bio_complete 2019-06-29 09:47:31 -06:00
drop_caches.c
eventfd.c
eventpoll.c signal: simplify set_user_sigmask/restore_user_sigmask 2019-07-16 19:23:24 -07:00
exec.c Merge branch 'siginfo-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2019-07-08 21:48:15 -07:00
fcntl.c
fhandle.c
file.c
file_table.c
filesystems.c
fs-writeback.c blkcg, writeback: Add wbc->no_cgroup_owner 2019-07-10 09:00:57 -06:00
fs_context.c
fs_parser.c
fs_pin.c
fs_struct.c
fs_types.c
fsopen.c
inode.c New for 5.3: 2019-07-12 16:54:37 -07:00
internal.h fs: fold __generic_write_end back into generic_write_end 2019-06-27 17:28:40 -07:00
io_uring.c signal: simplify set_user_sigmask/restore_user_sigmask 2019-07-16 19:23:24 -07:00
ioctl.c
iomap.c New for 5.3: 2019-07-10 20:29:45 -07:00
Kconfig fs: VALIDATE_FS_PARSER should default to n 2019-07-05 11:22:11 -04:00
Kconfig.binfmt binfmt_flat: make support for old format binaries optional 2019-06-24 09:16:47 +10:00
libfs.c
locks.c Highlights: 2019-07-10 21:22:43 -07:00
Makefile
mbcache.c
mount.h
mpage.c blkcg, writeback: Rename wbc_account_io() to wbc_account_cgroup_owner() 2019-07-10 09:00:57 -06:00
namei.c
namespace.c vfs: move_mount: reject moving kernel internal mounts 2019-07-01 10:46:36 -04:00
no-block.c
nsfs.c
open.c
pipe.c
pnode.c
pnode.h
posix_acl.c
proc_namespace.c
read_write.c
readdir.c
select.c select: change do_poll() to return -ERESTARTNOHAND rather than -EINTR 2019-07-16 19:23:24 -07:00
seq_file.c nfsd: escape high characters in binary data 2019-07-03 17:52:50 -04:00
signalfd.c
splice.c
stack.c
stat.c
statfs.c
super.c
sync.c
timerfd.c
userfaultfd.c fs/userfaultfd.c: disable irqs for fault_pending and event locks 2019-07-05 11:12:07 +09:00
utimes.c
xattr.c