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Miklos Szeredi a2bc923629 fuse: fix copy_file_range() in the writeback case 
Prior to sending COPY_FILE_RANGE to userspace filesystem, we must flush all
dirty pages in both the source and destination files.

This patch adds the missing flush of the source file.

Tested on libfuse-3.5.0 with:

  libfuse/example/passthrough_ll /mnt/fuse/ -o writeback
  libfuse/test/test_syscalls /mnt/fuse/tmp/test

Fixes: 88bc7d5097 ("fuse: add support for copy_file_range()")
Cc: <stable@vger.kernel.org> # v4.20
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2019-05-28 13:22:50 +02:00
..
9p
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2019-05-21 10:50:46 +02:00
adfs
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2019-05-21 10:50:46 +02:00
affs
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
afs
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2019-05-24 17:27:11 +02:00
autofs
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2019-05-24 17:37:52 +02:00
befs
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2019-05-21 10:50:46 +02:00
bfs
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2019-05-21 10:50:46 +02:00
btrfs
Merge tag 'for-5.2-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
2019-05-20 09:52:35 -07:00
cachefiles
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2019-05-24 17:27:11 +02:00
ceph
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2019-05-21 10:50:46 +02:00
cifs
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2019-05-24 17:36:45 +02:00
coda
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2019-05-21 10:50:46 +02:00
configfs
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2019-05-21 10:50:46 +02:00
cramfs
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2019-05-21 10:50:46 +02:00
crypto
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2019-05-21 10:50:46 +02:00
debugfs
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2019-05-21 10:50:46 +02:00
devpts
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2019-05-24 17:37:52 +02:00
dlm
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2019-05-21 10:50:46 +02:00
ecryptfs
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2019-05-21 10:50:46 +02:00
efivarfs
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2019-05-21 10:50:46 +02:00
efs
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2019-05-21 10:50:46 +02:00
exportfs
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2019-05-21 10:50:46 +02:00
ext2
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2019-05-21 10:50:46 +02:00
ext4
Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
2019-05-25 15:03:12 -07:00
f2fs
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2019-05-21 10:50:46 +02:00
fat
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2019-05-21 10:50:46 +02:00
freevxfs
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2019-05-21 10:50:46 +02:00
fscache
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2019-05-24 17:27:11 +02:00
fuse
fuse: fix copy_file_range() in the writeback case
2019-05-28 13:22:50 +02:00
gfs2
Merge tag 'gfs2-5.1.fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
2019-05-22 08:31:09 -07:00
hfs
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2019-05-21 10:50:46 +02:00
hfsplus
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2019-05-21 10:50:46 +02:00
hostfs
Merge tag 'for-linus-5.2-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/rw/uml
2019-05-12 17:52:13 -04:00
hpfs
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2019-05-21 10:50:46 +02:00
hugetlbfs
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2019-05-21 10:50:46 +02:00
isofs
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2019-05-21 10:50:46 +02:00
jbd2
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2019-05-21 10:50:46 +02:00
jffs2
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2019-05-21 10:50:46 +02:00
jfs
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2019-05-21 10:50:46 +02:00
kernfs
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2019-05-21 10:50:46 +02:00
lockd
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2019-05-21 10:50:45 +02:00
minix
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2019-05-21 10:50:46 +02:00
nfs
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2019-05-24 17:27:11 +02:00
nfs_common
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2019-05-21 10:50:46 +02:00
nfsd
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2019-05-21 11:28:39 +02:00
nilfs2
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2019-05-21 10:50:46 +02:00
nls
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notify
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2019-05-24 17:39:02 +02:00
ntfs
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2019-05-24 17:37:53 +02:00
ocfs2
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2019-05-21 10:50:46 +02:00
omfs
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2019-05-21 10:50:46 +02:00
openpromfs
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2019-05-21 10:50:46 +02:00
orangefs
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overlayfs
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proc
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pstore
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quota
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2019-05-21 10:50:46 +02:00
ramfs
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reiserfs
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2019-05-21 10:50:46 +02:00
romfs
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2019-05-21 10:50:46 +02:00
squashfs
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2019-05-24 17:39:02 +02:00
sysfs
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2019-05-21 10:50:46 +02:00
sysv
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2019-05-21 10:50:46 +02:00
tracefs
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2019-05-21 10:50:46 +02:00
ubifs
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udf
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ufs
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2019-05-21 10:50:46 +02:00
unicode
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2019-05-21 10:50:46 +02:00
xfs
Merge tag 'xfs-5.2-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
2019-05-23 11:18:18 -07:00
aio.c
aio: use kmem_cache_free() instead of kfree()
2019-04-04 20:13:59 -04:00
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
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2019-05-21 10:50:45 +02:00
binfmt_elf_fdpic.c
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binfmt_elf.c
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binfmt_em86.c
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2019-05-21 10:50:45 +02:00
binfmt_flat.c
…
binfmt_misc.c
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2019-05-21 10:50:45 +02:00
binfmt_script.c
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2019-05-21 10:50:45 +02:00
block_dev.c
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2019-05-21 10:50:45 +02:00
buffer.c
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2019-05-21 10:50:45 +02:00
char_dev.c
chardev: update comment based on the code
2019-04-02 17:49:58 +02:00
compat_binfmt_elf.c
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compat_ioctl.c
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compat.c
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coredump.c
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d_path.c
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dax.c
mm: page_mkclean vs MADV_DONTNEED race
2019-05-14 09:47:48 -07:00
dcache.c
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2019-05-21 10:50:45 +02:00
dcookies.c
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2019-05-21 10:50:45 +02:00
direct-io.c
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2019-05-21 10:50:45 +02:00
drop_caches.c
fs/drop_caches.c: avoid softlockups in drop_pagecache_sb()
2019-02-01 15:46:24 -08:00
eventfd.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
eventpoll.c
epoll: use rwlock in order to reduce ep_poll_callback() contention
2019-03-07 18:32:01 -08:00
exec.c
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2019-05-21 10:50:45 +02:00
fcntl.c
fs: mark expected switch fall-throughs
2019-04-08 18:21:02 -05:00
fhandle.c
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file_table.c
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2019-05-21 10:50:45 +02:00
file.c
Merge tag 'io_uring-2019-03-06' of git://git.kernel.dk/linux-block
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
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2019-05-24 17:27:11 +02:00
fs_parser.c
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2019-05-24 17:27:11 +02:00
fs_pin.c
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fs_struct.c
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2019-05-21 10:50:45 +02:00
fs_types.c
fs: common implementation of file type
2019-01-21 17:48:13 +01:00
fs-writeback.c
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2019-05-21 10:50:45 +02:00
fsopen.c
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2019-05-24 17:27:11 +02:00
inode.c
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2019-05-21 10:50:45 +02:00
internal.h
Merge branch 'work.mount-syscalls' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-05-07 20:17:51 -07:00
io_uring.c
Merge tag 'for-linus-20190516' of git://git.kernel.dk/linux-block
2019-05-16 19:10:37 -07:00
ioctl.c
Remove 'type' argument from access_ok() function
2019-01-03 18:57:57 -08:00
iomap.c
Merge tag 'for-5.2/block-20190507' of git://git.kernel.dk/linux-block
2019-05-07 18:14:36 -07:00
Kconfig
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2019-05-21 10:50:46 +02:00
Kconfig.binfmt
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libfs.c
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locks.c
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2019-05-21 10:50:45 +02:00
Makefile
Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
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
saner handling of temporary namespaces
2019-01-30 17:44:07 -05:00
mpage.c
block: remove the i argument to bio_for_each_segment_all
2019-04-30 09:26:13 -06:00
namei.c
Merge tag 'fscrypt_for_linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt
2019-05-07 21:28:04 -07:00
namespace.c
do_move_mount(): fix an unsafe use of is_anon_ns()
2019-05-09 02:32:50 -04:00
no-block.c
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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
separate copying and locking mount tree on cross-userns copies
2019-01-30 17:14:50 -05:00
pnode.h
separate copying and locking mount tree on cross-userns copies
2019-01-30 17:14:50 -05:00
posix_acl.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
proc_namespace.c
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read_write.c
vfs: pass ppos=NULL to .read()/.write() of FMODE_STREAM files
2019-05-06 17:46:52 +03:00
readdir.c
Remove 'type' argument from access_ok() function
2019-01-03 18:57:57 -08:00
select.c
y2038: syscalls: rename y2038 compat syscalls
2019-02-07 00:13:27 +01:00
seq_file.c
fs: mark expected switch fall-throughs
2019-04-08 18:21:02 -05:00
signalfd.c
fs: mark expected switch fall-throughs
2019-04-08 18:21:02 -05:00
splice.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
stack.c
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2019-05-21 10:50:45 +02:00
stat.c
fs: move generic stat response attr handling to vfs_getattr_nosec
2019-02-01 01:55:45 -05:00
statfs.c
vfs: add vfs_get_fsid() helper
2019-02-07 16:38:35 +01:00
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
y2038: syscalls: rename y2038 compat syscalls
2019-02-07 00:13:27 +01:00
userfaultfd.c
userfaultfd/sysctl: add vm.unprivileged_userfaultfd
2019-05-14 09:47:45 -07:00
utimes.c
y2038: syscalls: rename y2038 compat syscalls
2019-02-07 00:13:27 +01:00
xattr.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00