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Vivek Goyal 7eaa995c75 ovl: warn instead of error if d_type is not supported 
commit e7c0b5991dd1be7b6f6dc2b54a15a0f47b64b007 upstream.

overlay needs underlying fs to support d_type. Recently I put in a
patch in to detect this condition and started failing mount if
underlying fs did not support d_type.

But this breaks existing configurations over kernel upgrade. Those who
are running docker (partially broken configuration) with xfs not
supporting d_type, are surprised that after kernel upgrade docker does
not run anymore.

https://github.com/docker/docker/issues/22937#issuecomment-229881315

So instead of erroring out, detect broken configuration and warn
about it. This should allow existing docker setups to continue
working after kernel upgrade.

Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Fixes: 45aebeaf4f67 ("ovl: Ensure upper filesystem supports d_type")
Cc: <stable@vger.kernel.org> 4.6
Signed-off-by: SZ Lin (林上智) <sz.lin@moxa.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-28 07:23:43 +02:00
..
9p
fs/9p: Compare qid.path in v9fs_test_inode
2017-11-30 08:37:22 +00:00
adfs
…
affs
affs_lookup(): close a race with affs_remove_link()
2018-05-30 07:48:51 +02:00
afs
afs: Fix afs_kill_pages()
2017-12-20 10:04:56 +01:00
autofs4
autofs: mount point create should honour passed in mode
2018-04-24 09:32:11 +02:00
befs
…
bfs
…
btrfs
btrfs: qgroup: Finish rescan when hit the last leaf of extent tree
2018-08-06 16:24:33 +02:00
cachefiles
FS-Cache: Add missing initialization of ret in cachefiles_write_page()
2015-11-16 20:38:43 -05:00
ceph
ceph: drop negative child dentries before try pruning inode's alias
2017-12-20 10:04:52 +01:00
cifs
cifs: Fix infinite loop when using hard mount option
2018-07-11 16:03:48 +02:00
coda
coda: fix 'kernel memory exposure attempt' in fsync
2017-11-24 08:32:25 +01:00
configfs
configfs: Fix race between create_link and configfs_rmdir
2017-06-26 07:13:08 +02:00
cramfs
…
debugfs
dentry name snapshots
2017-08-06 19:19:42 -07:00
devpts
devpts: clean up interface to pty drivers
2016-08-16 09:30:49 +02:00
dlm
dlm: avoid double-free on error path in dlm_device_{register,unregister}
2017-09-13 14:09:45 -07:00
ecryptfs
do d_instantiate/unlock_new_inode combinations safely
2018-05-30 07:48:52 +02:00
efivarfs
efi: Make efivarfs entries immutable by default
2016-03-03 15:07:09 -08:00
efs
…
exofs
osd fs: __r4w_get_page rely on PageUptodate for uptodate
2015-12-12 10:15:34 -08:00
exportfs
…
ext2
do d_instantiate/unlock_new_inode combinations safely
2018-05-30 07:48:52 +02:00
ext4
ext4: fix spectre gadget in ext4_mb_regular_allocator()
2018-08-24 13:27:00 +02:00
f2fs
f2fs: fix to don't trigger writeback during recovery
2018-08-06 16:24:31 +02:00
fat
fat: fix memory allocation failure handling of match_strdup()
2018-07-25 10:18:15 +02:00
freevxfs
freevxfs: Grammar s/an negative/a negative/
2015-08-07 13:59:24 +02:00
fscache
fscache: Fix hanging wait on page discarded by writeback
2018-05-30 07:49:08 +02:00
fuse
fuse: fix control dir setup and teardown
2018-07-03 11:21:28 +02:00
gfs2
gfs2: Fix fallocate chunk size
2018-05-30 07:49:13 +02:00
hfs
hfs: fix B-tree corruption after insertion at position 0
2015-09-10 13:29:01 -07:00
hfsplus
hfsplus: stop workqueue when fill_super() failed
2018-05-26 08:49:01 +02:00
hostfs
hostfs: Freeing an ERR_PTR in hostfs_fill_sb_common()
2016-09-30 10:18:39 +02:00
hpfs
hpfs: implement the show_options method
2016-06-01 12:15:54 -07:00
hugetlbfs
mm: larger stack guard gap, between vmas
2017-06-26 07:13:11 +02:00
isofs
isofs: fix timestamps beyond 2027
2017-11-30 08:37:20 +00:00
jbd2
jbd2: don't mark block as modified if the handle is out of credits
2018-07-11 16:03:48 +02:00
jffs2
jffs2: Fix use-after-free bug in jffs2_iget()'s error handling path
2018-05-30 07:48:54 +02:00
jfs
jfs: Fix inconsistency between memory allocation and ea_buf->max_size
2018-08-09 12:19:28 +02:00
kernfs
kernfs: fix regression in kernfs_fop_write caused by wrong type
2018-02-16 20:09:42 +01:00
lockd
lockd: lost rollback of set_grace_period() in lockd_down_net()
2018-05-26 08:48:50 +02:00
logfs
mm, fs: introduce mapping_gfp_constraint()
2015-11-06 17:50:42 -08:00
minix
…
ncpfs
staging: ncpfs: memory corruption in ncp_read_kernel()
2018-03-28 18:40:15 +02:00
nfs
NFSv4: Fix possible 1-byte stack overflow in nfs_idmap_read_and_verify_message
2018-07-03 11:21:34 +02:00
nfs_common
lockd: fix "list_add double add" caused by legacy signal interface
2018-02-03 17:04:28 +01:00
nfsd
nfsd: fix potential use-after-free in nfsd4_decode_getdeviceinfo
2018-08-06 16:24:30 +02:00
nilfs2
do d_instantiate/unlock_new_inode combinations safely
2018-05-30 07:48:52 +02:00
nls
…
notify
fanotify: fix logic of events on child
2018-04-24 09:32:11 +02:00
ntfs
mm, fs: introduce mapping_gfp_constraint()
2015-11-06 17:50:42 -08:00
ocfs2
ocfs2: subsystem.su_mutex is required while accessing the item->ci_parent
2018-07-22 14:25:52 +02:00
omfs
…
openpromfs
…
overlayfs
ovl: warn instead of error if d_type is not supported
2018-08-28 07:23:43 +02:00
proc
proc: Use underscores for SSBD in 'status'
2018-07-25 10:18:28 +02:00
pstore
pstore: Use dynamic spinlock initializer
2017-08-06 19:19:43 -07:00
qnx4
…
qnx6
…
quota
quota: Check for register_shrinker() failure.
2018-02-03 17:04:28 +01:00
ramfs
mm, fs: obey gfp_mapping for add_to_page_cache()
2015-10-16 11:42:28 -07:00
reiserfs
reiserfs: fix broken xattr handling (heap corruption, bad retval)
2018-08-24 13:27:01 +02:00
romfs
romfs: use different way to generate fsid for BLOCK or MTD
2017-06-17 06:39:38 +02:00
squashfs
squashfs: more metadata hardenings
2018-08-06 16:24:42 +02:00
sysfs
sysfs: be careful of error returns from ops->show()
2017-04-12 12:38:33 +02:00
sysv
fix sysvfs symlinks
2015-11-23 21:11:08 -05:00
tracefs
tracefs: Fix refcount imbalance in start_creating()
2015-11-04 22:13:45 -05:00
ubifs
UBIFS: Fix potential integer overflow in allocation
2018-07-03 11:21:32 +02:00
udf
udf: Detect incorrect directory size
2018-07-03 11:21:34 +02:00
ufs
do d_instantiate/unlock_new_inode combinations safely
2018-05-30 07:48:52 +02:00
xfs
xfs: fix incorrect log_flushed on fsync
2018-06-13 16:15:27 +02:00
aio.c
fix io_destroy()/aio_complete() race
2018-06-06 16:46:23 +02:00
anon_inodes.c
…
attr.c
vfs: move permission checking into notify_change() for utimes(NULL)
2016-10-22 12:26:56 +02:00
bad_inode.c
…
binfmt_aout.c
…
binfmt_elf_fdpic.c
libnvdimm for 4.4:
2015-11-10 12:07:22 -08:00
binfmt_elf.c
binfmt_elf: use ELF_ET_DYN_BASE only for PIE
2017-07-21 07:44:57 +02:00
binfmt_em86.c
…
binfmt_flat.c
…
binfmt_misc.c
fs/binfmt_misc.c: do not allow offset overflow
2018-07-03 11:21:26 +02:00
binfmt_script.c
…
block_dev.c
fs/block_dev: always invalidate cleancache in invalidate_bdev()
2017-05-20 14:27:01 +02:00
buffer.c
fs: add i_blocksize()
2017-06-14 13:16:24 +02:00
char_dev.c
fs/char_dev.c: fix incorrect documentation for unregister_chrdev_region
2015-08-05 13:49:35 -07:00
compat_binfmt_elf.c
binfmt_elf: compat: avoid unused function warning
2018-02-25 11:03:51 +01:00
compat_ioctl.c
fs: compat: Remove warning from COMPATIBLE_IOCTL
2018-04-08 11:51:57 +02:00
compat.c
…
coredump.c
coredump: Ensure proper size of sparse core files
2017-07-05 14:37:20 +02:00
dax.c
dax: disable pmd mappings
2015-11-16 23:54:45 -08:00
dcache.c
root dentries need RCU-delayed freeing
2018-08-15 17:42:05 +02:00
dcookies.c
…
direct-io.c
direct-io: Prevent NULL pointer access in submit_page_section
2017-10-18 09:20:42 +02:00
drop_caches.c
inode: convert inode_sb_list_lock to per-sb
2015-08-17 18:39:46 -04:00
eventfd.c
…
eventpoll.c
epoll: fix race between ep_poll_callback(POLLFREE) and ep_free()/ep_remove()
2017-09-07 08:34:10 +02:00
exec.c
exec: Limit arg stack to at most 75% of _STK_LIM
2017-07-21 07:44:57 +02:00
fcntl.c
fs/fcntl: f_setown, avoid undefined behaviour
2018-01-31 12:06:11 +01:00
fhandle.c
fs/coredump: prevent fsuid=0 dumps into user-controlled directories
2016-04-12 09:08:58 -07:00
file_table.c
fs, file table: reinit files_stat.max_files after deferred memory initialisation
2015-08-07 04:39:40 +03:00
file.c
vfs: clear remainder of 'full_fds_bits' in dup_fd()
2015-11-05 23:05:32 -08:00
filesystems.c
…
fs_pin.c
…
fs_struct.c
…
fs-writeback.c
bdi: Fix oops in wb_workfn()
2018-05-16 10:06:51 +02:00
inode.c
Fix up non-directory creation in SGID directories
2018-07-17 11:31:43 +02:00
internal.h
inode: rename i_wb_list to i_io_list
2015-08-17 23:38:10 -04:00
ioctl.c
…
Kconfig
dax: disable pmd mappings
2015-11-16 23:54:45 -08:00
Kconfig.binfmt
…
libfs.c
fs: Set the size of empty dirs to 0.
2015-08-12 15:28:45 -05:00
locks.c
locks: don't check for race with close when setting OFD lock
2018-01-17 09:35:27 +01:00
Makefile
ext4: promote ext4 over ext2 in the default probe order
2015-10-15 10:33:21 -04:00
mbcache.c
…
mount.h
mnt: In propgate_umount handle visiting mounts in any order
2017-07-21 07:44:57 +02:00
mpage.c
fs: add i_blocksize()
2017-06-14 13:16:24 +02:00
namei.c
getname_kernel() needs to make sure that ->name != ->iname in long case
2018-04-24 09:32:04 +02:00
namespace.c
fix __legitimize_mnt()/mntput() race
2018-08-15 17:42:05 +02:00
no-block.c
…
nsfs.c
nsfs: mark dentry with DCACHE_RCUACCESS
2018-02-16 20:09:43 +01:00
open.c
fs: completely ignore unknown open flags
2017-07-15 11:57:44 +02:00
pipe.c
pipe: cap initial pipe capacity according to pipe-max-size limit
2018-05-26 08:48:51 +02:00
pnode.c
mnt: Make propagate_umount less slow for overlapping mount propagation trees
2017-07-21 07:44:58 +02:00
pnode.h
mnt: Add a per mount namespace limit on the number of mounts
2017-04-30 05:49:28 +02:00
posix_acl.c
tmpfs: clear S_ISGID when setting posix ACLs
2017-01-26 08:23:47 +01:00
proc_namespace.c
vfs: show_vfsstat: do not ignore errors from show_devname method
2016-04-12 09:08:55 -07:00
read_write.c
vfs: Return -ENXIO for negative SEEK_HOLE / SEEK_DATA offsets
2017-10-05 09:41:45 +02:00
readdir.c
…
select.c
fs/select: add vmalloc fallback for select(2)
2018-01-31 12:06:09 +01:00
seq_file.c
Make file credentials available to the seqfile interfaces
2017-08-06 19:19:42 -07:00
signalfd.c
signalfd: fix information leak in signalfd_copyinfo
2015-08-07 04:39:40 +03:00
splice.c
vfs: fix uninitialized flags in splice_to_pipe()
2017-02-23 17:43:09 +01:00
stack.c
…
stat.c
ufs: restore maintaining ->i_blocks
2017-06-14 13:16:24 +02:00
statfs.c
…
super.c
sget(): handle failures of register_shrinker()
2018-03-03 10:19:41 +01:00
sync.c
fs/sync.c: make sync_file_range(2) use WB_SYNC_NONE writeback
2015-11-06 17:50:42 -08:00
timerfd.c
timerfd: Protect the might cancel mechanism proper
2017-05-08 07:46:01 +02:00
userfaultfd.c
userfaultfd: shmem: __do_fault requires VM_FAULT_NOPAGE
2017-12-20 10:04:53 +01:00
utimes.c
vfs: move permission checking into notify_change() for utimes(NULL)
2016-10-22 12:26:56 +02:00
xattr.c
lsm: fix smack_inode_removexattr and xattr_getsecurity memleak
2017-10-12 11:27:32 +02:00