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Trond Myklebust 880265c77a pNFS: Avoid a live lock condition in pnfs_update_layout() 
If we're about to send the first layoutget for an empty layout, we want
to make sure that we drain out the existing pending layoutget calls
first. The reason is that these layouts may have been already implicitly
returned to the server by a recall to which the client gave a
NFS4ERR_NOMATCHING_LAYOUT response.

The problem is that wait_var_event_killable() could in principle see the
plh_outstanding count go back to '1' when the first process to wake up
starts sending a new layoutget. If it fails to get a layout, then this
loop can continue ad infinitum...

Fixes: 0b77f97a7e42 ("NFSv4/pnfs: Fix layoutget behaviour after invalidation")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2022-06-06 11:53:55 -04:00
..
9p
9p: Convert to release_folio
2022-05-09 23:12:32 -04:00
adfs
fs: Convert block_read_full_page() to block_read_full_folio()
2022-05-09 16:21:44 -04:00
affs
affs: Convert affs to read_folio
2022-05-09 16:21:44 -04:00
afs
afs: Fix infinite loop found by xfstest generic/676
2022-06-01 11:11:51 -07:00
autofs
autofs: fix wait name hash calculation in autofs_wait()
2021-10-20 21:09:02 -04:00
befs
befs: Convert befs to read_folio
2022-05-09 16:21:45 -04:00
bfs
fs: Convert block_read_full_page() to block_read_full_folio()
2022-05-09 16:21:44 -04:00
btrfs
Page cache changes for 5.19
2022-05-24 19:55:07 -07:00
cachefiles
cachefiles: add tracepoints for on-demand read mode
2022-05-18 00:11:18 +08:00
ceph
A big pile of assorted fixes and improvements for the filesystem with
2022-06-02 08:59:39 -07:00
cifs
cifs: fix uninitialized pointer in error case in dfs_cache_get_tgt_share
2022-06-04 13:33:42 -05:00
coda
coda: Convert coda to read_folio
2022-05-09 16:21:45 -04:00
configfs
configfs: fix a race in configfs_{,un}register_subsystem()
2022-02-22 18:30:28 +01:00
cramfs
cramfs: Convert cramfs to read_folio
2022-05-09 16:21:45 -04:00
crypto
fscrypt: add new helper functions for test_dummy_encryption
2022-05-09 16:18:54 -07:00
debugfs
debugfs: Document that debugfs_create functions need not be error checked
2022-02-25 11:56:13 +01:00
devpts
fsnotify: fix fsnotify hooks in pseudo filesystems
2022-01-24 14:17:02 +01:00
dlm
dlm: use kref_put_lock in __put_lkb
2022-05-02 11:23:49 -05:00
ecryptfs
ecryptfs: Convert ecryptfs to read_folio
2022-05-09 16:21:45 -04:00
efivarfs
…
efs
efs: Convert efs symlinks to read_folio
2022-05-09 16:21:45 -04:00
erofs
Changes since last update:
2022-06-01 11:54:29 -07:00
exfat
Page cache changes for 5.19
2022-05-24 19:55:07 -07:00
exportfs
exportfs: support idmapped mounts
2022-04-28 16:31:10 +02:00
ext2
\n
2022-05-25 19:24:06 -07:00
ext4
Page cache changes for 5.19
2022-05-24 19:55:07 -07:00
f2fs
f2fs-for-5.19
2022-05-31 16:52:59 -07:00
fat
Not a lot of material this cycle. Many singleton patches against various
2022-05-27 11:22:03 -07:00
freevxfs
SPDX changes for 5.19-rc1
2022-06-03 10:34:34 -07:00
fscache
fscache: remove FSCACHE_OLD_API Kconfig option
2022-04-08 23:54:37 +01:00
fuse
libnvdimm for 5.19
2022-05-27 15:49:30 -07:00
gfs2
Page cache changes for 5.19
2022-05-24 19:55:07 -07:00
hfs
fs: Change try_to_free_buffers() to take a folio
2022-05-09 23:12:34 -04:00
hfsplus
fs: Change try_to_free_buffers() to take a folio
2022-05-09 23:12:34 -04:00
hostfs
hostfs: Convert hostfs to read_folio
2022-05-09 16:21:45 -04:00
hpfs
hpfs: Convert symlinks to read_folio
2022-05-09 16:21:45 -04:00
hugetlbfs
powerpc updates for 5.19
2022-05-28 11:27:17 -07:00
iomap
Page cache changes for 5.19
2022-05-24 19:55:07 -07:00
isofs
isofs: Convert symlinks and zisofs to read_folio
2022-05-09 16:21:45 -04:00
jbd2
Page cache changes for 5.19
2022-05-24 19:55:07 -07:00
jffs2
This pull request contains fixes for JFFS2, UBI and UBIFS
2022-06-03 14:42:24 -07:00
jfs
JFS: One bug fix and some code cleanup
2022-05-27 15:59:21 -07:00
kernfs
kernfs: Separate kernfs_pr_cont_buf and rename_lock.
2022-05-19 19:37:06 +02:00
ksmbd
ksmbd: smbd: relax the count of sges required
2022-05-27 21:31:20 -05:00
lockd
NFSD: Move svc_serv_ops::svo_function into struct svc_serv
2022-02-28 10:26:40 -05:00
minix
fs: Convert block_read_full_page() to block_read_full_folio()
2022-05-09 16:21:44 -04:00
netfs
fs: Convert netfs_readpage to netfs_read_folio
2022-05-09 16:21:44 -04:00
nfs
pNFS: Avoid a live lock condition in pnfs_update_layout()
2022-06-06 11:53:55 -04:00
nfs_common
…
nfsd
NFSD 5.19 Release Notes
2022-05-26 20:52:24 -07:00
nilfs2
Page cache changes for 5.19
2022-05-24 19:55:07 -07:00
nls
…
notify
\n
2022-05-25 19:29:54 -07:00
ntfs
Not a lot of material this cycle. Many singleton patches against various
2022-05-27 11:22:03 -07:00
ntfs3
Ntfs3 for 5.19
2022-06-03 16:57:16 -07:00
ocfs2
Not a lot of material this cycle. Many singleton patches against various
2022-05-27 11:22:03 -07:00
omfs
fs: Convert block_read_full_page() to block_read_full_folio()
2022-05-09 16:21:44 -04:00
openpromfs
fs: allocate inode by using alloc_inode_sb()
2022-03-22 15:57:03 -07:00
orangefs
orangefs: Convert to free_folio
2022-05-09 23:12:53 -04:00
overlayfs
overlayfs update for 5.19
2022-05-30 11:19:16 -07:00
proc
Not a lot of material this cycle. Many singleton patches against various
2022-05-27 11:22:03 -07:00
pstore
pstore: Don't use semaphores in always-atomic-context code
2022-03-15 11:08:23 -07:00
qnx4
fs: Convert block_read_full_page() to block_read_full_folio()
2022-05-09 16:21:44 -04:00
qnx6
fs: Convert mpage_readpage to mpage_read_folio
2022-05-09 16:21:44 -04:00
quota
quota: make dquot_quota_sync return errors from ->sync_fs
2022-01-30 08:59:47 -08:00
ramfs
Merge branch 'akpm' (patches from Andrew)
2021-11-09 10:11:53 -08:00
reiserfs
fs: Change try_to_free_buffers() to take a folio
2022-05-09 23:12:34 -04:00
romfs
romfs: Convert romfs to read_folio
2022-05-09 16:21:46 -04:00
smbfs_common
Add various fsctl structs
2022-05-23 20:24:12 -05:00
squashfs
Page cache changes for 5.19
2022-05-24 19:55:07 -07:00
sysfs
kobject: kobj_type: remove default_attrs
2022-04-05 15:39:19 +02:00
sysv
Not a lot of material this cycle. Many singleton patches against various
2022-05-27 11:22:03 -07:00
tracefs
tracefs: Set the group ownership in apply_options() not parse_options()
2022-02-25 21:05:04 -05:00
ubifs
This pull request contains fixes for JFFS2, UBI and UBIFS
2022-06-03 14:42:24 -07:00
udf
Page cache changes for 5.19
2022-05-24 19:55:07 -07:00
ufs
fs: Convert block_read_full_page() to block_read_full_folio()
2022-05-09 16:21:44 -04:00
unicode
kbuild: unify cmd_copy and cmd_shipped
2022-02-14 10:37:32 +09:00
vboxsf
vboxsf: Convert vboxsf to read_folio
2022-05-09 16:21:46 -04:00
verity
Page cache changes for 5.19
2022-05-24 19:55:07 -07:00
xfs
xfs: Changes for 5.19-rc1 [2nd set]
2022-06-01 17:23:53 -07:00
zonefs
Page cache changes for 5.19
2022-05-24 19:55:07 -07:00
aio.c
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2022-04-01 19:57:03 -07:00
anon_inodes.c
…
attr.c
fs: handle circular mappings correctly
2021-11-17 09:26:09 +01:00
bad_inode.c
…
binfmt_aout.c
…
binfmt_elf_fdpic.c
coredump: Snapshot the vmas in do_coredump
2022-03-08 12:55:29 -06:00
binfmt_elf_test.c
binfmt_elf: Introduce KUnit test
2022-03-03 20:38:56 -08:00
binfmt_elf.c
revert "fs/binfmt_elf: use PT_LOAD p_align values for static PIE"
2022-04-15 14:49:56 -07:00
binfmt_flat.c
binfmt_flat: Remove shared library support
2022-04-22 10:57:18 -07:00
binfmt_misc.c
Fix regression due to "fs: move binfmt_misc sysctl to its own file"
2022-02-09 09:50:02 -08:00
binfmt_script.c
…
buffer.c
fs: Convert drop_buffers() to use a folio
2022-05-09 23:12:34 -04:00
char_dev.c
…
compat_binfmt_elf.c
binfmt_elf: Introduce KUnit test
2022-03-03 20:38:56 -08:00
coredump.c
ptrace: Cleanups for v5.18
2022-03-28 17:29:53 -07:00
d_path.c
d_path: fix Kernel doc validator complaining
2021-11-06 13:30:32 -07:00
dax.c
libnvdimm for 5.19
2022-05-27 15:49:30 -07:00
dcache.c
mm: dcache: use kmem_cache_alloc_lru() to allocate dentry
2022-03-22 15:57:03 -07:00
direct-io.c
direct-io: remove random prefetches
2022-04-17 19:50:02 -06:00
drop_caches.c
…
eventfd.c
…
eventpoll.c
eventpoll: simplify sysctl declaration with register_sysctl()
2022-01-22 08:33:35 +02:00
exec.c
This set of changes updates init and user mode helper tasks to be
2022-06-03 16:03:05 -07:00
fcntl.c
VFS: add FMODE_CAN_ODIRECT file flag
2022-05-09 18:20:49 -07:00
fhandle.c
…
file_table.c
Descriptor handling cleanups
2022-06-04 18:52:00 -07:00
file.c
fix the breakage in close_fd_get_file() calling conventions change
2022-06-05 15:03:03 -04:00
filesystems.c
…
fs_context.c
vfs: fs_context: fix up param length parsing in legacy_parse_param
2022-01-18 09:23:19 +02:00
fs_parser.c
fs_parse: allow parameter value to be empty
2021-12-09 14:09:36 -05:00
fs_pin.c
…
fs_struct.c
…
fs_types.c
…
fs-writeback.c
\n
2022-05-25 19:24:06 -07:00
fsopen.c
uninline may_mount() and don't opencode it in fspick(2)/fsopen(2)
2022-05-19 23:25:10 -04:00
init.c
…
inode.c
fs: introduce alloc_inode_sb() to allocate filesystems specific inode
2022-03-22 15:57:03 -07:00
internal.h
Cleanups (and one fix) around struct mount handling.
2022-06-04 19:00:05 -07:00
io_uring.c
fix for breakage in #work.fd this window
2022-06-05 17:14:03 -07:00
io-wq.c
io-wq: use __set_notify_signal() to wake workers
2022-04-30 08:39:54 -06:00
io-wq.h
io_uring: add support for IORING_ASYNC_CANCEL_ALL
2022-04-24 18:18:18 -06:00
ioctl.c
Fixes for 5.18-rc1:
2022-04-01 19:35:56 -07:00
Kconfig
mm: hugetlb_vmemmap: cleanup CONFIG_HUGETLB_PAGE_FREE_VMEMMAP*
2022-04-28 23:16:15 -07:00
Kconfig.binfmt
m68knommu: changes for linux 5.19
2022-05-30 10:56:18 -07:00
kernel_read_file.c
…
libfs.c
fs: Convert simple_readpage to simple_read_folio
2022-05-09 16:21:44 -04:00
locks.c
fs/lock: add 2 callbacks to lock_manager_operations to resolve conflict
2022-05-19 12:25:39 -04:00
Makefile
Fix from Christoph Hellwig merging the CONFIG_UNICODE_UTF8_DATA into the
2022-02-01 11:13:24 -08:00
mbcache.c
…
mount.h
…
mpage.c
fs: Change try_to_free_buffers() to take a folio
2022-05-09 23:12:34 -04:00
namei.c
Several cleanups in fs/namei.c.
2022-06-04 19:07:15 -07:00
namespace.c
Cleanups (and one fix) around struct mount handling.
2022-06-04 19:00:05 -07:00
no-block.c
…
nsfs.c
…
open.c
RISC-V Patches for the 5.19 Merge Window, Part 1
2022-05-31 14:10:54 -07:00
pipe.c
Not a lot of material this cycle. Many singleton patches against various
2022-05-27 11:22:03 -07:00
pnode.c
…
pnode.h
…
posix_acl.c
fs: fix acl translation
2022-04-19 10:19:02 -07:00
proc_namespace.c
fs: add is_idmapped_mnt() helper
2021-12-03 18:44:06 +01:00
read_write.c
riscv: compat: syscall: Add compat_sys_call_table implementation
2022-04-26 13:36:25 -07:00
readdir.c
…
remap_range.c
Filesystem folio changes for 5.18
2022-03-22 18:26:56 -07:00
select.c
select: Fix indefinitely sleeping task in poll_schedule_timeout()
2022-01-11 09:03:05 -08:00
seq_file.c
rxrpc: Fix locking issue
2022-05-22 21:03:01 +01:00
signalfd.c
Merge branch 'signal-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2022-01-17 05:49:30 +02:00
splice.c
mm: Convert remove_mapping() to take a folio
2022-03-21 12:59:01 -04:00
stack.c
…
stat.c
RISC-V Patches for the 5.19 Merge Window, Part 1
2022-05-31 14:10:54 -07:00
statfs.c
…
super.c
block: add a bdev_stable_writes helper
2022-04-17 19:49:59 -06:00
sync.c
riscv: compat: syscall: Add compat_sys_call_table implementation
2022-04-26 13:36:25 -07:00
sysctls.c
fs: move namespace sysctls and declare fs base directory
2022-01-22 08:33:36 +02:00
timerfd.c
…
userfaultfd.c
mm/uffd: enable write protection for shmem & hugetlbfs
2022-05-13 07:20:11 -07:00
utimes.c
…
xattr.c
fs: split off do_getxattr from getxattr
2022-04-24 18:18:37 -06:00