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Paulo Alcantara e4af35fa55 cifs: handle hostnames that resolve to same ip in failover 
In order to support reconnect to hostnames that resolve to same ip
address, besides relying on the currently set hostname to match DFS
targets, attempt to resolve the targets and then match their addresses
with the reconnected server ip address.

For instance, if we have two hostnames "FOO" and "BAR", and both
resolve to the same ip address, we would be able to handle failover in
DFS paths like

    \\FOO\dfs\link1 -> [ \BAZ\share2 (*), \BAR\share1 ]
    \\FOO\dfs\link2 -> [ \BAZ\share2 (*), \FOO\share1 ]

so when "BAZ" is no longer accessible, link1 and link2 would get
reconnected despite having different target hostnames.

Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
2020-06-01 00:10:18 -05:00
..
9p
9p: read only once on O_NONBLOCK
2020-03-27 09:29:56 +00:00
adfs
fs/adfs: bigdir: Fix an error code in adfs_fplus_read()
2020-01-25 11:31:59 -05:00
affs
affs: fix a memory leak in affs_remount
2019-11-18 14:26:43 +01:00
afs
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-05-23 17:16:18 -07:00
autofs
LOOKUP_MOUNTPOINT: fold path_mountpointat() into path_lookupat()
2020-03-13 21:08:17 -04:00
befs
fs: Fill in max and min timestamps in superblock
2019-08-30 07:27:17 -07:00
bfs
fs: Fill in max and min timestamps in superblock
2019-08-30 07:27:17 -07:00
btrfs
btrfs: fix gcc-4.8 build warning for struct initializer
2020-04-30 12:17:49 +02:00
cachefiles
cachefiles: Fix race between read_waiter and read_copier involving op->to_do
2020-05-08 23:01:10 +01:00
ceph
ceph: flush release queue when handling caps for unknown inode
2020-05-27 13:03:57 +02:00
cifs
cifs: handle hostnames that resolve to same ip in failover
2020-06-01 00:10:18 -05:00
coda
y2038: add inode timestamp clamping
2019-09-19 09:42:37 -07:00
configfs
configfs: fix config_item refcnt leak in configfs_rmdir()
2020-04-27 08:17:10 +02:00
cramfs
cramfs: switch to use of errofc() et.al.
2020-02-07 14:48:41 -05:00
crypto
fscrypt updates for 5.7
2020-03-31 12:58:36 -07:00
debugfs
debugfs: remove return value of debugfs_create_u32()
2020-04-17 17:08:50 +02:00
devpts
devpts_pty_kill(): don't bother with d_delete()
2019-09-03 09:30:56 -04:00
dlm
dlm: use SO_SNDTIMEO_NEW instead of SO_SNDTIMEO_OLD
2019-12-18 18:07:31 +01:00
ecryptfs
eCryptfs fixes for 5.6-rc3
2020-02-17 21:08:37 -08:00
efivarfs
efi: Use more granular check for availability for variable services
2020-02-23 21:59:42 +01:00
efs
fs: Fill in max and min timestamps in superblock
2019-08-30 07:27:17 -07:00
erofs
erofs: handle corrupted images whose decompressed size less than it'd be
2020-03-03 23:40:52 +08:00
exfat
exfat: add the dummy mount options to be backward compatible with staging/exfat
2020-05-21 16:40:11 -07:00
exportfs
race in exportfs_decode_fh()
2019-11-11 09:21:59 -05:00
ext2
ext2: fix empty body warnings when -Wextra is used
2020-03-23 13:01:37 +01:00
ext4
ext4: fix fiemap size checks for bitmap files
2020-05-19 15:03:37 -04:00
f2fs
f2fs-for-5.7-rc1
2020-04-07 13:48:26 -07:00
fat
fat: fix uninit-memory access for partial initialized inode
2020-03-06 07:06:09 -06:00
freevxfs
fs: Fill in max and min timestamps in superblock
2019-08-30 07:27:17 -07:00
fscache
proc: convert everything to "struct proc_ops"
2020-02-04 03:05:26 +00:00
fuse
fuse: fix stack use after return
2020-02-13 09:16:07 +01:00
gfs2
gfs2: Even more gfs2_find_jhead fixes
2020-05-29 17:00:24 +02:00
hfs
hfs/hfsplus: use 64-bit inode timestamps
2019-12-18 18:07:32 +01:00
hfsplus
hfsplus: fix crash and filesystem corruption when deleting files
2020-04-10 15:36:20 -07:00
hostfs
hostfs: Use kasprintf() instead of fixed buffer formatting
2020-03-29 23:23:00 +02:00
hpfs
fs: compat_ioctl: move FITRIM emulation into file systems
2019-10-23 17:23:46 +02:00
hugetlbfs
hugetlbfs: Use i_mmap_rwsem to address page fault/truncate race
2020-04-02 09:35:32 -07:00
iomap
fibmap: Warn and return an error in case of block > INT_MAX
2020-04-30 07:57:46 -07:00
isofs
y2038: add inode timestamp clamping
2019-09-19 09:42:37 -07:00
jbd2
jbd2: improve comments about freeing data buffers whose page mapping is NULL
2020-03-05 20:25:05 -05:00
jffs2
fs_parse: fold fs_parameter_desc/fs_parameter_spec
2020-02-07 14:48:37 -05:00
jfs
Trivial cleanup for jfs
2020-02-05 05:28:20 +00:00
kernfs
kernfs: Add option to enable user xattrs
2020-03-16 15:53:47 -04:00
lockd
proc: convert everything to "struct proc_ops"
2020-02-04 03:05:26 +00:00
minix
fs: Fill in max and min timestamps in superblock
2019-08-30 07:27:17 -07:00
nfs
NFSv3: fix rpc receive buffer size for MOUNT call
2020-05-14 18:42:44 -04:00
nfs_common
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
nfsd
SUNRPC: Fix backchannel RPC soft lockups
2020-04-17 12:40:31 -04:00
nilfs2
fs: compat_ioctl: move FITRIM emulation into file systems
2019-10-23 17:23:46 +02:00
nls
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
notify
fanotify: turn off support for FAN_DIR_MODIFY
2020-05-27 18:55:54 +02:00
ntfs
fs/buffer: Make BH_Uptodate_Lock bit_spin_lock a regular spinlock_t
2020-03-28 13:21:08 +01:00
ocfs2
dlmfs_file_write(): fix the bogosity in handling non-zero *ppos
2020-04-23 13:45:27 -04:00
omfs
fs: omfs: Initialize filesystem timestamp ranges
2019-08-30 08:11:25 -07:00
openpromfs
Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-07-19 10:42:02 -07:00
orangefs
orangefs: don't mess with I_DIRTY_TIMES in orangefs_flush
2020-04-08 09:39:11 -04:00
overlayfs
ovl: potential crash in ovl_fid_to_fh()
2020-05-13 11:10:57 +02:00
proc
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2020-04-25 12:25:32 -07:00
pstore
pstore/ram: Replace zero-length array with flexible-array member
2020-03-09 14:45:40 -07:00
qnx4
fs: Fill in max and min timestamps in superblock
2019-08-30 07:27:17 -07:00
qnx6
fs: Fill in max and min timestamps in superblock
2019-08-30 07:27:17 -07:00
quota
\n
2020-01-30 15:37:41 -08:00
ramfs
fs_parse: fold fs_parameter_desc/fs_parameter_spec
2020-02-07 14:48:37 -05:00
reiserfs
reiserfs: clean up several indentation issues
2020-04-07 10:43:44 -07:00
romfs
Merge branch 'work.mount2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-09-19 10:06:57 -07:00
squashfs
Merge branch 'work.mount2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-09-19 10:06:57 -07:00
sysfs
sysfs: remove redundant __compat_only_sysfs_link_entry_to_kobj fn
2020-04-05 11:34:35 -07:00
sysv
fs: sysv: Initialize filesystem timestamp ranges
2019-08-30 07:27:18 -07:00
tracefs
simple_recursive_removal(): kernel-side rm -rf for ramfs-style filesystems
2019-12-10 22:29:58 -05:00
ubifs
ubifs: fix wrong use of crypto_shash_descsize()
2020-05-17 23:38:21 +02:00
udf
change email address for Pali Rohár
2020-04-10 15:36:22 -07:00
ufs
y2038: add inode timestamp clamping
2019-09-19 09:42:37 -07:00
unicode
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
vboxsf
vboxsf: don't use the source name in the bdi name
2020-05-07 08:45:47 -06:00
verity
fs-verity: use u64_to_user_ptr()
2020-01-14 13:28:28 -08:00
xfs
xfs: move inode flush to the sync workqueue
2020-04-16 09:07:42 -07:00
zonefs
zonfs: Fix handling of read-only zones
2020-03-25 11:28:26 +09:00
aio.c
aio: prevent potential eventfd recursion on poll
2020-02-03 17:27:47 -07:00
anon_inodes.c
Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-07-19 10:42:02 -07:00
attr.c
utimes: Clamp the timestamps in notify_change()
2019-12-08 19:10:50 -05:00
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
y2038: elfcore: Use __kernel_old_timeval for process times
2019-11-15 14:38:29 +01:00
binfmt_elf.c
fs/binfmt_elf.c: allocate initialized memory in fill_thread_core_info()
2020-05-28 11:35:40 -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
Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-07-19 10:42:02 -07:00
binfmt_script.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
block_dev.c
block: remove unused header
2020-04-21 09:51:10 -06:00
buffer.c
block-5.7-2020-04-24
2020-04-24 12:44:19 -07:00
char_dev.c
chardev: Avoid potential use-after-free in 'chrdev_open()'
2020-01-06 20:10:26 +01:00
compat_binfmt_elf.c
y2038: elfcore: Use __kernel_old_timeval for process times
2019-11-15 14:38:29 +01:00
compat.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
coredump.c
coredump: fix crash when umh is disabled
2020-04-28 17:54:13 +02:00
d_path.c
[PATCH] fix d_absolute_path() interplay with fsmount()
2019-08-30 19:31:09 -04:00
dax.c
dax,iomap: Add helper dax_iomap_zero() to zero a range
2020-04-02 19:15:03 -07:00
dcache.c
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-12-08 11:08:28 -08:00
dcookies.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
direct-io.c
fs/direct-io.c: include fs/internal.h for missing prototype
2020-01-04 13:55:09 -08:00
drop_caches.c
fs: avoid softlockups in s_inodes iterators
2019-12-18 00:03:01 -05:00
eventfd.c
eventfd: track eventfd_signal() recursion depth
2020-02-03 17:27:38 -07:00
eventpoll.c
epoll: call final ep_events_available() check under the lock
2020-05-14 10:00:35 -07:00
exec.c
exec: Move would_dump into flush_old_exec
2020-05-17 10:48:24 -05:00
fcntl.c
fcntl: Distribute switch variables for initialization
2020-03-03 10:55:06 -05:00
fhandle.c
fs/handle.c - fix up kerneldoc
2019-08-07 21:51:47 -04:00
file_table.c
vfs: Export flush_delayed_fput for use by knfsd.
2019-08-19 11:00:39 -04:00
file.c
fix multiplication overflow in copy_fdtable()
2020-05-19 18:29:36 -04:00
filesystems.c
fs/filesystems.c: downgrade user-reachable WARN_ONCE() to pr_warn_once()
2020-04-10 15:36:22 -07:00
fs_context.c
add prefix to fs_context->log
2020-02-07 14:48:35 -05:00
fs_parser.c
fs_parse: remove pr_notice() about each validation
2020-04-02 09:35:26 -07:00
fs_pin.c
switch the remnants of releasing the mountpoint away from fs_pin
2019-07-16 22:52:37 -04:00
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
memcg: fix a crash in wb_workfn when a device disappears
2020-01-31 10:30:36 -08:00
fsopen.c
add prefix to fs_context->log
2020-02-07 14:48:35 -05:00
inode.c
futex: Fix inode life-time issue
2020-03-06 11:06:15 +01:00
internal.h
Merge branch 'work.dotdot1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-04-02 12:30:08 -07:00
io_uring.c
io_uring: reset -EBUSY error when io sq thread is waken up
2020-05-20 07:26:47 -06:00
io-wq.c
io_uring: use io-wq manager as backup task if task is exiting
2020-04-03 11:35:57 -06:00
io-wq.h
io_uring: use io-wq manager as backup task if task is exiting
2020-04-03 11:35:57 -06:00
ioctl.c
fibmap: Warn and return an error in case of block > INT_MAX
2020-04-30 07:57:46 -07:00
Kconfig
exfat: add Kconfig and Makefile
2020-03-05 21:00:40 -05:00
Kconfig.binfmt
binfmt_flat: make support for old format binaries optional
2019-06-24 09:16:47 +10:00
libfs.c
libfs: fix infoleak in simple_attr_read()
2020-03-24 13:27:16 +01:00
locks.c
locks: reinstate locks_delete_block optimization
2020-03-18 13:03:38 -07:00
Makefile
exfat: add Kconfig and Makefile
2020-03-05 21:00:40 -05:00
mbcache.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
mount.h
switch the remnants of releasing the mountpoint away from fs_pin
2019-07-16 22:52:37 -04:00
mpage.c
fs: move guard_bio_eod() after bio_set_op_attrs
2020-01-09 08:16:12 -07:00
namei.c
fix a braino in legitimize_path()
2020-04-06 10:38:59 -04:00
namespace.c
LOOKUP_MOUNTPOINT: fold path_mountpointat() into path_lookupat()
2020-03-13 21:08:17 -04:00
no-block.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
nsfs.c
fs/nsfs.c: Added ns_match
2020-03-12 17:33:11 -07:00
open.c
Merge branch 'work.dotdot1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-04-02 12:30:08 -07:00
pipe.c
mm: kmem: rename memcg_kmem_(un)charge() into memcg_kmem_(un)charge_page()
2020-04-02 09:35:28 -07:00
pnode.c
propagate_one(): mnt_set_mountpoint() needs mount_lock
2020-04-27 10:37:14 -04:00
pnode.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 209
2019-05-30 11:29:53 -07:00
posix_acl.c
fs/posix_acl.c: fix kernel-doc warnings
2020-01-04 13:55:09 -08:00
proc_namespace.c
vfs: subtype handling moved to fuse
2019-09-06 21:28:49 +02:00
read_write.c
powerpc: Add back __ARCH_WANT_SYS_LLSEEK macro
2020-04-03 00:09:59 +11:00
readdir.c
readdir: make user_access_begin() use the real access range
2020-01-23 10:15:28 -08:00
select.c
y2038: syscalls: change remaining timeval to __kernel_old_timeval
2019-11-15 14:38:29 +01:00
seq_file.c
fs/seq_file.c: seq_read(): add info message about buggy .next functions
2020-04-10 15:36:22 -07:00
signalfd.c
…
splice.c
pipe: Fix pipe_full() test in opipe_prep().
2020-05-20 10:54:29 -07:00
stack.c
sched/rt, fs: Use CONFIG_PREEMPTION
2019-12-08 14:37:36 +01:00
stat.c
fs: make two stat prep helpers available
2020-01-20 17:03:54 -07:00
statfs.c
vfs: Fix EOVERFLOW testing in put_compat_statfs64
2019-10-03 14:21:35 -07:00
super.c
Fix use after free in get_tree_bdev()
2020-04-28 14:37:40 -07:00
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
timerfd: Make timerfd_settime() time namespace aware
2020-01-14 12:20:53 +01:00
userfaultfd.c
userfaultfd: wp: declare _UFFDIO_WRITEPROTECT conditionally
2020-04-07 10:43:40 -07:00
utimes.c
utimes: Clamp the timestamps in notify_change()
2019-12-08 19:10:50 -05:00
xattr.c
xattr: fix uninitialized out-param
2020-04-09 15:33:09 -04:00