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linux/fs
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Oleg Nesterov ac30102062 select: shift restore_saved_sigmask_unless() into poll_select_copy_remaining() 
Now that restore_saved_sigmask_unless() is always called with the same
argument right before poll_select_copy_remaining() we can move it into
poll_select_copy_remaining() and make it the only caller of restore() in
fs/select.c.

The patch also renames poll_select_copy_remaining(),
poll_select_finish() looks better after this change.

kern_select() doesn't use set_user_sigmask(), so in this case
poll_select_finish() does restore_saved_sigmask_unless() "for no
reason".  But this won't hurt, and WARN_ON(!TIF_SIGPENDING) is still
valid.

Link: http://lkml.kernel.org/r/20190606140915.GC13440@redhat.com
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
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 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
affs treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
afs Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2019-07-11 10:55:49 -07:00
autofs treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 83 2019-05-24 17:37:52 +02:00
befs treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
bfs treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
btrfs for-linus-20190715 2019-07-15 21:20:52 -07:00
cachefiles treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
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 treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
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 devpts: call fsnotify_unlink() hook 2019-06-20 14:46:34 +02:00
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 treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
exportfs treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
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 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
freevxfs treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
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 treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
hfsplus fs/hfsplus/xattr.c: replace strncpy with memcpy 2019-07-16 19:23:23 -07:00
hostfs This pull request contains the following changes for UML: 2019-05-12 17:52:13 -04:00
hpfs treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
hugetlbfs treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
isofs treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 142 2019-05-30 11:25:17 -07:00
jbd2 jbd2: drop declaration of journal_sync_buffer() 2019-06-20 17:32:21 -04:00
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 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 428 2019-06-05 17:37:16 +02:00
lockd lockd: Make two symbols static 2019-07-03 17:52:09 -04:00
minix treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
nfs Changes to copy_file_range for 5.3 from Dave and Amir: 2019-07-10 20:32:37 -07:00
nfs_common treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
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 treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
notify memcg, fsnotify: no oom-kill for remote memcg charging 2019-07-12 11:05:43 -07:00
ntfs treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 97 2019-05-24 17:37:53 +02:00
ocfs2 New for 5.3: 2019-07-12 16:54:37 -07:00
omfs treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 209 2019-05-30 11:29:53 -07:00
openpromfs treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
orangefs New for 5.3: 2019-07-12 16:54:37 -07:00
overlayfs SPDX update for 5.2-rc6 2019-06-21 09:58:42 -07:00
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 treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
qnx6 treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
quota \n 2019-07-10 20:27:07 -07:00
ramfs treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
reiserfs fs/reiserfs/journal.c: change return type of dirty_one_transaction 2019-07-16 19:23:24 -07:00
romfs treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
squashfs treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 499 2019-06-19 17:09:53 +02:00
sysfs sysfs: Add sysfs_update_groups function 2019-06-03 11:58:20 +02:00
sysv treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
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 treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
attr.c
bad_inode.c
binfmt_aout.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
binfmt_elf_fdpic.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
binfmt_elf.c fs/binfmt_elf.c: delete stale comment 2019-07-16 19:23:22 -07:00
binfmt_em86.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
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 treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
binfmt_script.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
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 chardev: set variable ret to -EBUSY before checking minor range overlap 2019-05-24 20:50:36 +02:00
compat_binfmt_elf.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 193 2019-05-30 11:29:21 -07:00
compat_ioctl.c
compat.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
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 fsnotify: move fsnotify_nameremove() hook out of d_delete() 2019-06-20 14:47:44 +02:00
dcookies.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
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 treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
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 fs: mark expected switch fall-throughs 2019-04-08 18:21:02 -05:00
fhandle.c
file_table.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
file.c io_uring-2019-03-06 2019-03-08 14:48:40 -08:00
filesystems.c vfs: Implement a filesystem superblock creation/configuration context 2019-02-28 03:29:26 -05:00
fs_context.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
fs_parser.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
fs_pin.c
fs_struct.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
fs_types.c
fs-writeback.c blkcg, writeback: Add wbc->no_cgroup_owner 2019-07-10 09:00:57 -06:00
fsopen.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
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 treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
locks.c Highlights: 2019-07-10 21:22:43 -07:00
Makefile Add as a feature case-insensitive directories (the casefold feature) 2019-05-07 21:12:44 -07:00
mbcache.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
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 fsnotify: add empty fsnotify_{unlink,rmdir}() hooks 2019-06-20 14:44:55 +02:00
namespace.c vfs: move_mount: reject moving kernel internal mounts 2019-07-01 10:46:36 -04:00
no-block.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
nsfs.c nsfs: unobfuscate 2019-04-09 19:20:57 -04:00
open.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
pipe.c Merge branch 'page-refs' (page ref overflow) 2019-04-14 15:09:40 -07:00
pnode.c fs/namespace: fix unprivileged mount propagation 2019-06-17 17:36:09 -04:00
pnode.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 209 2019-05-30 11:29:53 -07:00
posix_acl.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
proc_namespace.c
read_write.c vfs: allow copy_file_range to copy across devices 2019-06-09 10:06:20 -07:00
readdir.c
select.c select: shift restore_saved_sigmask_unless() into poll_select_copy_remaining() 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 fs: mark expected switch fall-throughs 2019-04-08 18:21:02 -05:00
splice.c uio: make import_iovec()/compat_import_iovec() return bytes on success 2019-05-31 15:30:03 -06:00
stack.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
stat.c
statfs.c
super.c [fix] get rid of checking for absent device name in vfs_get_tree() 2019-04-28 21:34:21 -04:00
sync.c fs/sync.c: sync_file_range(2) may use WB_SYNC_ALL writeback 2019-05-14 09:47:50 -07:00
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 treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00