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Trond Myklebust 1a17912f93 NFS: Ensure O_DIRECT reports an error if the bytes read/written is 0 
[ Upstream commit eb2c50da9e256dbbb3ff27694440e4c1900cfef8 ]

If the attempt to resend the I/O results in no bytes being read/written,
we must ensure that we report the error.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Fixes: 0a00b77b331a ("nfs: mirroring support for direct io")
Cc: stable@vger.kernel.org # v3.20+
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-09-06 10:21:01 +02:00
..
9p
9p: pass the correct prototype to read_cache_page
2019-07-31 07:28:55 +02:00
adfs
fs/adfs: super: fix use-after-free bug
2019-08-06 19:05:21 +02:00
affs
affs_lookup(): close a race with affs_remove_link()
2018-05-30 07:51:47 +02:00
afs
afs: Fix directory permissions check
2018-07-08 15:30:51 +02:00
autofs4
autofs: fix error return in autofs_fill_super()
2019-03-13 14:03:19 -07:00
befs
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
bfs
bfs: add sanity check at bfs_fill_super()
2018-12-01 09:42:51 +01:00
btrfs
Btrfs: fix race leading to fs corruption after transaction abort
2019-08-06 19:05:25 +02:00
cachefiles
fscache, cachefiles: remove redundant variable 'cache'
2018-12-17 09:28:53 +01:00
ceph
ceph: don't try fill file_lock on unsuccessful GETFILELOCK reply
2019-08-29 08:26:42 +02:00
cifs
SMB3: Kernel oops mounting a encryptData share with CONFIG_DEBUG_VIRTUAL
2019-08-29 08:26:40 +02:00
coda
coda: add error handling for fget
2019-08-06 19:05:23 +02:00
configfs
configfs: Fix use-after-free when accessing sd->s_dentry
2019-06-22 08:16:17 +02:00
cramfs
Cramfs: fix abad comparison when wrap-arounds occur
2018-11-13 11:15:12 -08:00
crypto
fscrypt: clean up some BUG_ON()s in block encryption/decryption
2019-07-31 07:28:22 +02:00
debugfs
debugfs: fix use-after-free on symlink traversal
2019-05-08 07:20:49 +02:00
devpts
fs/devpts: always delete dcache dentry-s in dput()
2019-03-23 14:35:21 +01:00
dlm
dlm: Don't swamp the CPU with callbacks queued during recovery
2019-02-12 19:45:57 +01:00
ecryptfs
eCryptfs: fix a couple type promotion bugs
2019-07-31 07:28:42 +02:00
efivarfs
VFS: Kill off s_options and helpers
2017-07-11 06:09:21 -04:00
efs
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
exofs
fs/exofs: fix potential memory leak in mount option parsing
2018-11-27 16:10:47 +01:00
exportfs
exportfs: do not read dentry after free
2018-12-17 09:28:50 +01:00
ext2
ext2: Fix underflow in ext2_max_size()
2019-03-23 14:35:23 +01:00
ext4
ext4: allow directory holes
2019-07-31 07:28:47 +02:00
f2fs
f2fs: avoid out-of-range memory access
2019-07-31 07:28:55 +02:00
fat
fs/fat/file.c: issue flush after the writeback of FAT
2019-06-15 11:54:51 +02:00
freevxfs
…
fscache
fscache: fix race between enablement and dropping of object
2018-12-17 09:28:53 +01:00
fuse
fuse: retrieve: cap requested size to negotiated max_write
2019-06-15 11:54:54 +02:00
gfs2
gfs2: Fix occasional glock use-after-free
2019-05-31 06:47:14 -07:00
hfs
hfs: do not free node before using
2018-12-17 09:28:54 +01:00
hfsplus
hfsplus: do not free node before using
2018-12-17 09:28:54 +01:00
hostfs
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
hpfs
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
hugetlbfs
hugetlb: use same fault hash key for shared and private mappings
2019-05-31 06:47:12 -07:00
isofs
isofs: reject hardware sector size > 2048 bytes
2018-10-03 17:00:57 -07:00
jbd2
jbd2: introduce jbd2_inode dirty range scoping
2019-07-31 07:28:47 +02:00
jffs2
jffs2: fix use-after-free on symlink traversal
2019-05-08 07:20:49 +02:00
jfs
jfs: Fix inconsistency between memory allocation and ea_buf->max_size
2018-08-09 12:16:39 +02:00
kernfs
kernfs: fix barrier usage in __kernfs_new_node()
2019-05-16 19:42:19 +02:00
lockd
Revert "lockd: Show pid of lockd for remote locks"
2019-06-09 09:18:18 +02:00
minix
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ncpfs
staging: ncpfs: memory corruption in ncp_read_kernel()
2018-03-28 18:24:43 +02:00
nfs
NFS: Ensure O_DIRECT reports an error if the bytes read/written is 0
2019-09-06 10:21:01 +02:00
nfs_common
lockd: fix "list_add double add" caused by legacy signal interface
2018-02-03 17:39:08 +01:00
nfsd
nfsd: Fix overflow causing non-working mounts on 1 TB machines
2019-07-31 07:28:48 +02:00
nilfs2
do d_instantiate/unlock_new_inode combinations safely
2018-05-30 07:51:47 +02:00
nls
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
notify
fanotify: fix handling of events on child sub-directory
2019-02-06 17:31:37 +01:00
ntfs
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ocfs2
ocfs2: remove set but not used variable 'last_hash'
2019-08-25 10:50:17 +02:00
omfs
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
openpromfs
…
orangefs
orangefs: report attributes_mask and attributes for statx
2018-06-26 08:06:33 +08:00
overlayfs
ovl: check whiteout in ovl_create_over_whiteout()
2018-11-21 09:24:17 +01:00
proc
fs/proc/proc_sysctl.c: fix the default values of i_uid/i_gid on /proc/sys inodes.
2019-07-31 07:28:38 +02:00
pstore
pstore/ram: Run without kernel crash dump region
2019-06-11 12:21:48 +02:00
qnx4
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
qnx6
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
quota
quota: fix a problem about transfer quota
2019-07-21 09:04:28 +02:00
ramfs
mm: make pagevec_lookup() update index
2017-09-06 17:27:26 -07:00
reiserfs
reiserfs: propagate errors from fill_with_dentries() properly
2018-11-27 16:10:46 +01:00
romfs
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
squashfs
Squashfs: Compute expected length from inode size rather than block length
2018-09-05 09:26:32 +02:00
sysfs
scsi: sysfs: Introduce sysfs_{un,}break_active_protection()
2018-09-05 09:26:41 +02:00
sysv
sysv: return 'err' instead of 0 in __sysv_write_inode
2018-12-17 09:28:48 +01:00
tracefs
VFS: Don't use save/replace_mount_options if not using generic_show_options
2017-07-06 03:31:46 -04:00
ubifs
ubifs: Handle re-linking of inodes correctly while recovery
2018-12-29 13:39:11 +01:00
udf
udf: Fix incorrect final NOT_ALLOCATED (hole) extent length
2019-07-21 09:04:30 +02:00
ufs
ufs: fix braino in ufs_get_inode_gid() for solaris UFS flavour
2019-05-25 18:25:36 +02:00
xfs
xfs: fix missing ILOCK unlock when xfs_setattr_nonsize fails due to EDQUOT
2019-08-29 08:26:45 +02:00
aio.c
aio: fix spectre gadget in lookup_ioctx
2018-12-21 14:13:04 +01:00
anon_inodes.c
…
attr.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
bad_inode.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
binfmt_aout.c
fs: fix kernel_read prototype
2017-09-04 19:05:15 -04:00
binfmt_elf_fdpic.c
Merge branch 'work.set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-09-14 18:13:32 -07:00
binfmt_elf.c
binfmt_elf: Respect error return from `regset->active'
2018-09-26 08:38:09 +02:00
binfmt_em86.c
…
binfmt_flat.c
fs/binfmt_flat.c: make load_flat_shared_library() work
2019-07-03 13:15:59 +02:00
binfmt_misc.c
fs/binfmt_misc.c: do not allow offset overflow
2018-06-26 08:06:33 +08:00
binfmt_script.c
Revert "exec: load_script: don't blindly truncate shebang string"
2019-02-15 09:08:56 +01:00
block_dev.c
block: fix the return errno for direct IO
2019-04-17 08:37:53 +02:00
buffer.c
fs: fix guard_bio_eod to check for real EOD errors
2019-04-05 22:31:28 +02:00
char_dev.c
chardev: add additional check for minor range overlap
2019-05-31 06:47:31 -07:00
compat_binfmt_elf.c
…
compat_ioctl.c
compat_ioctl: pppoe: fix PPPOEIOCSFWD handling
2019-08-09 17:53:35 +02:00
compat.c
fs/compat.c: trim unused includes
2017-04-17 12:52:27 -04:00
coredump.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
dax.c
fs/dax.c: release PMD lock even when there is no PMD support in DAX
2018-04-26 11:02:14 +02:00
dcache.c
fs/dcache: Fix incorrect nr_dentry_unused accounting in shrink_dcache_sb()
2019-02-06 17:31:34 +01:00
dcookies.c
…
direct-io.c
iomap: report collisions between directio and buffered writes to userspace
2019-04-27 09:35:41 +02:00
drop_caches.c
fs/drop_caches.c: avoid softlockups in drop_pagecache_sb()
2019-03-13 14:03:18 -07:00
eventfd.c
There has been a fair amount of activity in the docs tree this time
2017-07-03 21:13:25 -07:00
eventpoll.c
fs/epoll: drop ovflist branch prediction
2019-02-12 19:46:10 +01:00
exec.c
sched/fair: Don't free p->numa_faults with concurrent readers
2019-08-04 09:32:03 +02:00
fcntl.c
fcntl: don't cap l_start and l_end values for F_GETLK64 in compat syscall
2017-12-17 15:07:59 +01:00
fhandle.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
file_table.c
fput: Don't reinvent the wheel but use existing llist API
2017-08-28 00:50:23 -04:00
file.c
fs/file.c: initialize init_files.resize_wait
2019-04-05 22:31:28 +02:00
filesystems.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
fs_pin.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
fs_struct.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/task.h>
2017-03-02 08:42:35 +01:00
fs-writeback.c
blkcg, writeback: dead memcgs shouldn't contribute to writeback ownership arbitration
2019-07-31 07:28:25 +02:00
inode.c
Abort file_remove_privs() for non-reg. files
2019-06-22 08:16:19 +02:00
internal.h
Merge branch 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
2017-09-13 09:11:44 -07:00
ioctl.c
vfs: swap names of {do,vfs}_clone_file_range()
2018-11-10 07:48:33 -08:00
iomap.c
iomap: report collisions between directio and buffered writes to userspace
2019-04-27 09:35:41 +02:00
Kconfig
fs/Kconfig: kill CONFIG_PERCPU_RWSEM some more
2017-07-12 16:26:00 -07:00
Kconfig.binfmt
…
libfs.c
fs: convert __generic_file_fsync to use errseq_t based reporting
2017-07-06 07:02:29 -04:00
locks.c
fs/lock: skip lock owner pid translation in case we are in init_pid_ns
2018-10-03 17:00:53 -07:00
Makefile
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mbcache.c
mbcache: initialize entry->e_referenced in mb_cache_entry_create()
2018-02-22 15:42:25 +01:00
mount.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mpage.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
namei.c
namei: allow restricted O_CREAT of FIFOs and regular files
2018-12-01 09:42:59 +01:00
namespace.c
mount: Prevent MNT_DETACH from disconnecting locked mounts
2018-11-21 09:24:14 +01:00
no-block.c
…
nsfs.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
open.c
access: avoid the RCU grace period for the temporary subjective credentials
2019-07-31 07:28:58 +02:00
pipe.c
fs: prevent page refcount overflow in pipe_buf_get
2019-05-04 09:15:18 +02:00
pnode.c
mnt: Make propagate_umount less slow for overlapping mount propagation trees
2017-05-23 08:41:17 -05:00
pnode.h
…
posix_acl.c
sched/headers: Prepare to remove <linux/cred.h> inclusion from <linux/sched.h>
2017-03-02 08:42:31 +01:00
proc_namespace.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
read_write.c
fs: stream_open - opener for stream-like files so that read and write can run simultaneously without deadlock
2019-06-11 12:21:51 +02:00
readdir.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
select.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
seq_file.c
seq_file: fix incomplete reset on read from zero offset
2018-02-22 15:42:28 +01:00
signalfd.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
splice.c
fs: prevent page refcount overflow in pipe_buf_get
2019-05-04 09:15:18 +02:00
stack.c
…
stat.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
statfs.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
super.c
fs: don't scan the inode cache before SB_BORN is set
2018-05-30 07:51:47 +02:00
sync.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
timerfd.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
userfaultfd.c
userfaultfd_release: always remove uffd flags and clear vm_userfaultfd_ctx
2019-08-29 08:26:43 +02:00
utimes.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
xattr.c
sysfs: Do not return POSIX ACL xattrs via listxattr
2018-10-10 08:54:27 +02:00