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da0e01cc70
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David Howells da0e01cc70
afs: Fix fileserver rotation getting stuck 
Fix the fileserver rotation code in a couple of ways:

 (1) op->server_states is an array, not a pointer to a single record, so
     fix the places that access it to index it.

 (2) In the places that go through an address list to work out which one
     has the best priority, fix the loops to skip known failed addresses.

Without this, the rotation algorithm may get stuck on addresses that are
inaccessible or don't respond.

This can be triggered manually by finding a server that advertises a
non-routable address and giving it a higher priority, eg.:

        echo "add udp 192.168.0.0/16 3000" >/proc/fs/afs/addr_prefs

if the server, say, includes the address 192.168.7.7 in its address list,
and then attempting to access a volume on that server.

Fixes: 495f2ae9e3 ("afs: Fix fileserver rotation")
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
Link: https://lore.kernel.org/r/4005300.1712309731@warthog.procyon.org.uk/ # v1
Link: https://lore.kernel.org/r/998836.1714746152@warthog.procyon.org.uk
Signed-off-by: Christian Brauner <brauner@kernel.org>
2024-05-10 08:49:17 +02:00
..
9p fs/9p changes for the 6.9 merge window 2024-03-15 10:10:31 -07:00
adfs mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
affs affs: remove SLAB_MEM_SPREAD flag usage 2024-02-26 11:36:28 +01:00
afs afs: Fix fileserver rotation getting stuck 2024-05-10 08:49:17 +02:00
autofs dcache stuff for this cycle 2024-01-11 20:11:35 -08:00
bcachefs statx: stx_subvol 2024-03-26 09:01:18 +01:00
befs mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
bfs mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
btrfs fs: claw back a few FMODE_* bits 2024-04-07 13:49:02 +02:00
cachefiles cachefiles: fix memory leak in cachefiles_add_cache() 2024-02-20 09:46:07 +01:00
ceph A patch to minimize blockage when processing very large batches of 2024-03-22 11:15:45 -07:00
coda mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
configfs
cramfs bdev: open block device as files 2024-02-25 12:05:21 +01:00
crypto fscrypt updates for 6.9 2024-03-12 13:17:36 -07:00
debugfs debugfs: fix wait/cancellation handling during remove 2024-03-07 22:08:15 +00:00
devpts fs: Remove the now superfluous sentinel elements from ctl_table array 2023-12-28 04:57:57 -08:00
dlm dlm for 6.9 2024-03-18 15:39:48 -07:00
ecryptfs ecryptfs: Fix buffer size for tag 66 packet 2024-04-05 15:53:46 +02:00
efivarfs efivarfs: Drop 'duplicates' bool parameter on efivar_init() 2024-02-25 09:43:39 +01:00
efs efs: remove SLAB_MEM_SPREAD flag usage 2024-02-27 11:21:33 +01:00
erofs mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
exfat Description for this pull request: 2024-03-21 09:47:12 -07:00
exportfs fs: Create a generic is_dot_dotdot() utility 2024-01-23 10:58:56 -05:00
ext2 \n 2024-03-13 14:30:58 -07:00
ext4 fs: claw back a few FMODE_* bits 2024-04-07 13:49:02 +02:00
f2fs fs: claw back a few FMODE_* bits 2024-04-07 13:49:02 +02:00
fat - Kuan-Wei Chiu has developed the well-named series "lib min_heap: Min 2024-03-14 18:03:09 -07:00
freevxfs mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
fuse fuse update for 6.9 2024-03-15 09:47:14 -07:00
gfs2 mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
hfs hfs: really remove hfs_writepage 2023-12-29 11:58:34 -08:00
hfsplus vfs-6.9.misc 2024-03-11 09:38:17 -07:00
hostfs hostfs: use d_splice_alias() calling conventions to simplify failure exits 2023-12-21 12:51:00 -05:00
hpfs mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
hugetlbfs fs: Add FOP_HUGE_PAGES 2024-04-09 10:53:44 +02:00
iomap vfs-6.9.rw_hint 2024-03-04 18:35:21 +01:00
isofs mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
jbd2 jbd2: abort journal when detecting metadata writeback error of fs dev 2024-01-04 23:42:21 -05:00
jffs2 jffs2: prevent xattr node from overflowing the eraseblock 2024-04-17 13:21:34 +02:00
jfs \n 2024-03-13 14:30:58 -07:00
kernfs Driver core changes for 6.9-rc1 2024-03-21 13:34:15 -07:00
lockd NFSD 6.9 Release Notes 2024-03-12 14:27:37 -07:00
minix minix: remove SLAB_MEM_SPREAD flag usage 2024-02-27 11:21:32 +01:00
netfs fscache: Fix error handling in fscache_begin_operation() 2024-03-18 10:33:48 +01:00
nfs NFS client updates for Linux 6.9 2024-03-16 11:44:00 -07:00
nfs_common
nfsd tracing: Remove __assign_str_len() 2024-03-18 10:33:05 -04:00
nilfs2 nilfs2: fix out-of-range warning 2024-04-09 10:52:12 +02:00
nls
notify fanotify: allow freeze when waiting response for permission events 2024-03-07 12:59:51 +01:00
ntfs3 mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
ocfs2 - Kuan-Wei Chiu has developed the well-named series "lib min_heap: Min 2024-03-14 18:03:09 -07:00
omfs
openpromfs openpromfs: remove SLAB_MEM_SPREAD flag usage 2024-02-27 11:21:32 +01:00
orangefs orangefs: cleanup uses of strncpy 2024-04-09 10:52:13 +02:00
overlayfs fs_parser: move fsparam_string_empty() helper into header 2024-03-26 09:01:18 +01:00
proc proc: Move fdinfo PTRACE_MODE_READ check into the inode .permission operation 2024-05-02 11:42:04 +02:00
pstore pstore/zone: Don't clear memory twice 2024-03-09 12:33:22 -08:00
qnx4 mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
qnx6 qnx6: remove SLAB_MEM_SPREAD flag usage 2024-02-27 11:21:32 +01:00
quota mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
ramfs ramfs: Initialize security of in-memory inodes 2024-01-26 09:08:16 -08:00
reiserfs \n 2024-03-13 14:30:58 -07:00
romfs vfs-6.9.super 2024-03-11 10:52:34 -07:00
smb 9 cifs.ko changesets 2024-03-21 19:14:28 -07:00
squashfs Squashfs: fix variable overflow triggered by sysbot 2023-12-10 17:21:26 -08:00
sysfs sysfs:Addresses documentation in sysfs_merge_group and sysfs_unmerge_group. 2024-03-07 22:04:50 +00:00
sysv sysv: remove SLAB_MEM_SPREAD flag usage 2024-02-27 11:21:31 +01:00
tracefs eventfs: Create eventfs_root_inode to store dentry 2024-03-17 07:58:52 -04:00
ubifs This pull request contains updates for UBI and UBIFS: 2024-03-21 15:09:29 -07:00
udf mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
ufs mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
unicode
vboxsf mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
verity Networking changes for 6.9. 2024-03-12 17:44:08 -07:00
xfs xfs: don't call xfs_file_open from xfs_dir_open 2024-04-24 14:46:51 +02:00
zonefs mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
aio.c fs: aio: convert to ring_folios and internal_folios 2024-04-05 15:53:47 +02:00
anon_inodes.c fs: Create anon_inode_getfile_fmode() 2024-04-26 10:33:05 +02:00
attr.c lsm/stable-6.9 PR 20240312 2024-03-12 20:03:34 -07:00
backing-file.c fs: Use KMEM_CACHE instead of kmem_cache_create 2024-02-02 13:11:50 +01:00
bad_inode.c
binfmt_elf_fdpic.c fs: binfmt_elf_efpic: don't use missing interpreter's properties 2024-02-05 08:15:11 -08:00
binfmt_elf_test.c
binfmt_elf.c
binfmt_flat.c
binfmt_misc.c execve updates for v6.7-rc1 2023-10-30 19:28:19 -10:00
binfmt_script.c
buffer.c vfs-6.9.iomap 2024-03-11 10:07:03 -07:00
char_dev.c As usual, lots of singleton and doubleton patches all over the tree and 2023-11-02 20:53:31 -10:00
compat_binfmt_elf.c
coredump.c iov_iter: get rid of 'copy_mc' flag 2024-03-06 10:52:12 +01:00
d_path.c
dax.c fs : Fix warning using plain integer as NULL 2023-11-18 15:00:01 +01:00
dcache.c fs/dcache: Re-use value stored to dentry->d_flags instead of re-reading 2024-04-09 12:29:03 +02:00
direct-io.c fs/direct-io: remove redundant assignment to variable retval 2024-04-11 10:21:24 +02:00
drop_caches.c
eventfd.c eventfd: strictly check the count parameter of eventfd_write to avoid inputting illegal strings 2024-02-08 10:12:26 +01:00
eventpoll.c Networking changes for 6.9. 2024-03-12 17:44:08 -07:00
exec.c execve updates for v6.9-rc1 2024-03-12 14:45:12 -07:00
fcntl.c fcntl: add F_DUPFD_QUERY fcntl() 2024-05-10 08:26:31 +02:00
fhandle.c fs: Annotate struct file_handle with __counted_by() and use struct_size() 2024-04-05 15:53:47 +02:00
file_table.c lsm/stable-6.9 PR 20240312 2024-03-12 20:03:34 -07:00
file.c file: remove __receive_fd() 2023-12-12 14:24:14 +01:00
filesystems.c
fs_context.c
fs_parser.c __fs_parse: Correct a documentation comment 2024-02-02 13:11:50 +01:00
fs_pin.c
fs_struct.c
fs_types.c
fs-writeback.c fs/writeback: remove unnecessary return in writeback_inodes_sb 2024-04-05 15:53:45 +02:00
fsopen.c
init.c
inode.c bcachefs updates for 6.9 2024-03-15 09:00:09 -07:00
internal.h pidfs: remove config option 2024-03-13 12:53:53 -07:00
ioctl.c fs: add FS_IOC_GETFSSYSFSPATH 2024-02-12 13:13:59 +01:00
Kconfig - Sumanth Korikkar has taught s390 to allocate hotplug-time page frames 2024-03-14 17:43:30 -07:00
Kconfig.binfmt
kernel_read_file.c
libfs.c shmem: Fix shmem_rename2() 2024-04-17 13:49:44 +02:00
locks.c filelock: fix deadlock detection in POSIX locking 2024-02-20 09:53:33 +01:00
Makefile vfs-6.9.pidfd 2024-03-11 10:21:06 -07:00
mbcache.c vfs: remove SLAB_MEM_SPREAD flag usage 2024-02-27 11:21:31 +01:00
mnt_idmapping.c fs/mnt_idmapping.c: Return -EINVAL when no map is written 2024-02-08 10:12:37 +01:00
mount.h mounts: keep list of mounts in an rbtree 2023-11-18 14:56:16 +01:00
mpage.c block, fs: Restore the per-bio/request data lifetime fields 2024-02-06 14:31:05 +01:00
namei.c vfs: relax linkat() AT_EMPTY_PATH - aka flink() - requirements 2024-04-13 11:33:58 +02:00
namespace.c fs: relax mount_setattr() permission checks 2024-02-07 21:16:29 +01:00
nsfs.c pidfs: remove config option 2024-03-13 12:53:53 -07:00
open.c lsm/stable-6.9 PR 20240312 2024-03-12 20:03:34 -07:00
pidfs.c pidfs: remove config option 2024-03-13 12:53:53 -07:00
pipe.c fs/pipe: Convert to lockdep_cmp_fn 2024-02-02 13:11:49 +01:00
pnode.c mounts: keep list of mounts in an rbtree 2023-11-18 14:56:16 +01:00
pnode.h
posix_acl.c lsm/stable-6.9 PR 20240312 2024-03-12 20:03:34 -07:00
proc_namespace.c namespace: extract show_path() helper 2023-11-18 14:56:16 +01:00
read_write.c fs: claw back a few FMODE_* bits 2024-04-07 13:49:02 +02:00
readdir.c fsnotify: optionally pass access range in file permission hooks 2023-12-12 16:20:02 +01:00
remap_range.c remap_range: merge do_clone_file_range() into vfs_clone_file_range() 2024-02-06 17:07:21 +01:00
select.c fs/select: rework stack allocation hack for clang 2024-02-20 09:23:52 +01:00
seq_file.c seq_file: Simplify __seq_puts() 2024-05-02 16:28:20 +02:00
signalfd.c
splice.c fs: use splice_copy_file_range() inline helper 2023-12-12 16:20:02 +01:00
stack.c
stat.c statx: stx_subvol 2024-03-26 09:01:18 +01:00
statfs.c
super.c fs,block: get holder during claim 2024-03-18 10:32:44 +01:00
sync.c
sysctls.c fs: Remove the now superfluous sentinel elements from ctl_table array 2023-12-28 04:57:57 -08:00
timerfd.c
userfaultfd.c userfaultfd: use per-vma locks in userfaultfd operations 2024-02-22 15:27:20 -08:00
utimes.c
xattr.c evm: Move to LSM infrastructure 2024-02-15 23:43:47 -05:00