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trondmy@kernel.org 557302faea NFS: Don't overfill uncached readdir pages 
[ Upstream commit d9c4e39c1f8f8a8ebaccf00b8f22c14364b2d27e ]

If we're doing an uncached read of the directory, then we ideally want
to read only the exact set of entries that will fit in the buffer
supplied by the getdents() system call. So unlike the case where we're
reading into the page cache, let's send only one READDIR call, before
trying to fill up the buffer.

Fixes: 35df59d3ef69 ("NFS: Reduce number of RPC calls when doing uncached readdir")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-02-16 12:56:24 +01:00
..
9p
Revert "fs/9p: search open fids first"
2022-02-08 18:34:04 +01:00
adfs
mm: require ->set_page_dirty to be explicitly wired up
2021-06-29 10:53:48 -07:00
affs
mm: require ->set_page_dirty to be explicitly wired up
2021-06-29 10:53:48 -07:00
afs
afs: Fix mmap
2021-12-22 09:32:45 +01:00
autofs
autofs: fix wait name hash calculation in autofs_wait()
2021-10-20 21:09:02 -04:00
befs
isystem: ship and use stdarg.h
2021-08-19 09:02:55 +09:00
bfs
mm: require ->set_page_dirty to be explicitly wired up
2021-06-29 10:53:48 -07:00
btrfs
btrfs: fix use-after-free after failure to create a snapshot
2022-02-08 18:34:04 +01:00
cachefiles
cachefiles: Change %p in format strings to something else
2021-08-27 13:34:02 +01:00
ceph
ceph: put the requests/sessions when it fails to alloc memory
2022-02-01 17:27:14 +01:00
cifs
cifs: sanitize multiple delimiters in prepath
2021-12-22 09:32:48 +01:00
coda
…
configfs
fsnotify: fix fsnotify hooks in pseudo filesystems
2022-02-01 17:27:01 +01:00
cramfs
…
crypto
fscrypt: allow 256-bit master keys with AES-256-XTS
2021-11-18 19:16:11 +01:00
debugfs
debugfs: lockdown: Allow reading debugfs files that are not world readable
2022-01-27 11:03:55 +01:00
devpts
fsnotify: fix fsnotify hooks in pseudo filesystems
2022-02-01 17:27:01 +01:00
dlm
fs: dlm: filter user dlm messages for kernel locks
2022-01-27 11:04:23 +01:00
ecryptfs
mm: require ->set_page_dirty to be explicitly wired up
2021-06-29 10:53:48 -07:00
efivarfs
…
efs
…
erofs
erofs: fix deadlock when shrink erofs slab
2021-12-01 09:04:50 +01:00
exfat
exfat: fix incorrect loading of i_blocks for large files
2021-11-18 19:15:52 +01:00
exportfs
…
ext2
ext2: fix sleeping in atomic bugs on error
2021-09-22 13:05:23 +02:00
ext4
ext4: fix incorrect type issue during replay_del_range
2022-02-08 18:34:13 +01:00
f2fs
f2fs: fix to check available space of CP area correctly in update_ckpt_flags()
2022-01-27 11:05:30 +01:00
fat
linux-kselftest-kunit-5.15-rc1
2021-09-02 12:32:12 -07:00
freevxfs
…
fscache
fscache: Remove an unused static variable
2021-10-04 22:13:12 +01:00
fuse
fuse: Pass correct lend value to filemap_write_and_wait_range()
2022-01-27 11:05:08 +01:00
gfs2
gfs2: Fix gfs2_release for non-writers regression
2022-02-16 12:56:18 +01:00
hfs
hfs: add lock nesting notation to hfs_find_init
2021-07-15 10:13:49 -07:00
hfsplus
hfsplus: report create_date to kstat.btime
2021-07-01 11:06:06 -07:00
hostfs
hostfs: support splice_write
2021-08-26 22:28:02 +02:00
hpfs
hpfs: use iomap_fiemap to implement ->fiemap
2021-07-27 11:00:36 +02:00
hugetlbfs
hugetlbfs: fix mount mode command line processing
2021-07-23 17:43:28 -07:00
iomap
iomap: Fix inline extent handling in iomap_readpage
2021-12-01 09:04:44 +01:00
isofs
isofs: Fix out of bound access for corrupted isofs image
2021-11-12 15:05:50 +01:00
jbd2
jbd2: export jbd2_journal_[grab|put]_journal_head
2022-02-01 17:27:05 +01:00
jffs2
jffs2: GC deadlock reading a page that is used in jffs2_write_begin()
2022-01-27 11:04:49 +01:00
jfs
JFS: fix memleak in jfs_mount
2021-11-18 19:16:48 +01:00
kernfs
kernfs: don't create a negative dentry if inactive node exists
2021-10-04 10:27:18 +02:00
ksmbd
ksmbd: fix SMB 3.11 posix extension mount failure
2022-02-11 09:10:26 +01:00
lockd
lockd: fix failure to cleanup client locks
2022-02-05 12:38:57 +01:00
minix
mm: require ->set_page_dirty to be explicitly wired up
2021-06-29 10:53:48 -07:00
netfs
netfs: fix parameter of cleanup()
2021-12-29 12:28:59 +01:00
nfs
NFS: Don't overfill uncached readdir pages
2022-02-16 12:56:24 +01:00
nfs_common
nfs: Fix kerneldoc warning shown up by W=1
2021-10-04 22:02:17 +01:00
nfsd
NFSD: Fix the behavior of READ near OFFSET_MAX
2022-02-16 12:56:06 +01:00
nilfs2
Merge branch 'akpm' (patches from Andrew)
2021-09-08 12:55:35 -07:00
nls
…
notify
fanotify: Fix stale file descriptor in copy_event_to_user()
2022-02-05 12:38:59 +01:00
ntfs
Merge branch 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-07-03 11:30:04 -07:00
ntfs3
Fixed xfstests generic/016 generic/021 generic/022 generic/041 generic/274 generic/423,
2021-10-15 09:58:11 -04:00
ocfs2
ocfs2: fix a deadlock when commit trans
2022-02-01 17:27:05 +01:00
omfs
mm: require ->set_page_dirty to be explicitly wired up
2021-06-29 10:53:48 -07:00
openpromfs
…
orangefs
orangefs: Fix the size of a memory allocation in orangefs_bufmap_alloc()
2022-01-20 09:13:13 +01:00
overlayfs
ovl: fix NULL pointer dereference in copy up warning
2022-02-05 12:38:59 +01:00
proc
proc/vmcore: fix clearing user buffer by properly using clear_user()
2021-12-01 09:04:44 +01:00
pstore
pstore/blk: Use "%lu" to format unsigned long
2021-11-25 09:48:42 +01:00
qnx4
qnx4: work around gcc false positive warning bug
2021-09-21 08:36:48 -07:00
qnx6
…
quota
quota: correct error number in free_dqentry()
2021-11-18 19:16:05 +01:00
ramfs
fs: move ramfs_aops to libfs
2021-06-29 10:53:48 -07:00
reiserfs
Kbuild updates for v5.15
2021-09-03 15:33:47 -07:00
romfs
…
smbfs_common
cifs: Fix crash on unload of cifs_arc4.ko
2021-12-14 10:57:12 +01:00
squashfs
squashfs: use bvec_virt
2021-08-16 10:50:32 -06:00
sysfs
sysfs: Allow deferred execution of iomem_get_mapping()
2021-08-06 13:05:28 +02:00
sysv
mm: require ->set_page_dirty to be explicitly wired up
2021-06-29 10:53:48 -07:00
tracefs
tracefs: Set all files to the same group ownership as the mount option
2021-12-14 10:57:15 +01:00
ubifs
ubifs: Error path in ubifs_remount_rw() seems to wrongly free write buffers
2022-01-27 11:05:07 +01:00
udf
udf: Fix NULL ptr deref when converting from inline format
2022-02-01 17:27:00 +01:00
ufs
isystem: ship and use stdarg.h
2021-08-19 09:02:55 +09:00
unicode
…
vboxsf
vboxfs: fix broken legacy mount signature checking
2021-09-27 11:26:21 -07:00
verity
fs-verity: fix signed integer overflow with i_size near S64_MAX
2021-09-22 10:56:34 -07:00
xfs
xfs: map unwritten blocks in XFS_IOC_{ALLOC,FREE}SP just like fallocate
2022-01-11 15:35:16 +01:00
zonefs
zonefs: add MODULE_ALIAS_FS
2021-12-22 09:32:48 +01:00
aio.c
aio: Fix incorrect usage of eventfd_signal_allowed()
2021-12-14 10:57:22 +01:00
anon_inodes.c
…
attr.c
fs: handle circular mappings correctly
2021-11-25 09:48:46 +01:00
bad_inode.c
vfs: add rcu argument to ->get_acl() callback
2021-08-18 22:08:24 +02:00
binfmt_aout.c
binfmt: a.out: Fix bogus semicolon
2021-09-05 10:15:05 -07:00
binfmt_elf_fdpic.c
binfmt: remove in-tree usage of MAP_DENYWRITE
2021-09-03 18:42:01 +02:00
binfmt_elf.c
elf: don't use MAP_FIXED_NOREPLACE for elf interpreter mappings
2021-10-03 14:02:58 -07:00
binfmt_flat.c
binfmt: remove in-tree usage of MAP_EXECUTABLE
2021-06-29 10:53:50 -07:00
binfmt_misc.c
…
binfmt_script.c
…
buffer.c
mm: fs: invalidate bh_lrus for only cold path
2021-09-24 16:13:35 -07:00
char_dev.c
…
compat_binfmt_elf.c
…
coredump.c
coredump: fix memleak in dump_vma_snapshot()
2021-09-08 11:50:27 -07:00
d_path.c
d_path: make 'prepend()' fill up the buffer exactly on overflow
2021-09-02 10:07:29 -07:00
dax.c
New code for 5.15:
2021-08-31 11:13:35 -07:00
dcache.c
…
direct-io.c
…
drop_caches.c
fs: drop_caches: fix skipping over shadow cache inodes
2021-09-03 09:58:10 -07:00
eventfd.c
eventfd: Export eventfd_wake_count to modules
2021-09-06 07:20:56 -04:00
eventpoll.c
ARM development updates for 5.15:
2021-09-09 13:25:49 -07:00
exec.c
signal: Replace force_sigsegv(SIGSEGV) with force_fatal_sig(SIGSEGV)
2021-11-25 09:49:06 +01:00
fcntl.c
Merge branch 'akpm' (patches from Andrew)
2021-09-03 10:08:28 -07:00
fhandle.c
…
file_table.c
…
file.c
fget: clarify and improve __fget_files() implementation
2022-01-16 09:12:42 +01:00
filesystems.c
fs: simplify get_filesystem_list / get_all_fs_names
2021-08-23 01:25:40 -04:00
fs_context.c
vfs: fs_context: fix up param length parsing in legacy_parse_param
2022-01-20 09:13:14 +01:00
fs_parser.c
namei: Standardize callers of filename_lookup()
2021-09-07 16:07:47 -04:00
fs_pin.c
…
fs_struct.c
…
fs_types.c
…
fs-writeback.c
Merge branch 'akpm' (patches from Andrew)
2021-09-03 10:08:28 -07:00
fsopen.c
…
init.c
…
inode.c
fs: export an inode_update_time helper
2021-11-25 09:49:08 +01:00
internal.h
block: move fs/block_dev.c to block/bdev.c
2021-09-07 08:39:40 -06:00
io_uring.c
io_uring: fix bug in slow unregistering of nodes
2022-02-01 17:27:11 +01:00
io-wq.c
io-wq: drop wqe lock before creating new worker
2021-12-22 09:32:51 +01:00
io-wq.h
io-wq: provide a way to limit max number of workers
2021-08-29 07:55:55 -06:00
ioctl.c
New code for 5.15:
2021-08-31 11:06:32 -07:00
Kconfig
4 cifs/smb3 fixes, one for DFS reconnect, and one to begin creating common headers for server and client and the other two to rename the cifs_common directory to smbfs_common to be more consistent ie change use of the name cifs to smb which is more accurate
2021-09-12 10:10:21 -07:00
Kconfig.binfmt
binfmt: remove support for em86 (alpha only)
2021-07-25 22:33:03 -07:00
kernel_read_file.c
vfs: check fd has read access in kernel_read_file_from_fd()
2021-10-18 20:22:03 -10:00
libfs.c
fs: remove noop_set_page_dirty()
2021-06-29 10:53:48 -07:00
locks.c
Revert "memcg: enable accounting for file lock caches"
2021-09-07 11:21:48 -07:00
Makefile
4 cifs/smb3 fixes, one for DFS reconnect, and one to begin creating common headers for server and client and the other two to rename the cifs_common directory to smbfs_common to be more consistent ie change use of the name cifs to smb which is more accurate
2021-09-12 10:10:21 -07:00
mbcache.c
…
mount.h
…
mpage.c
…
namei.c
fsnotify: invalidate dcache before IN_DELETE event
2022-02-01 17:27:15 +01:00
namespace.c
fs/mount_setattr: always cleanup mount_kattr
2022-01-05 12:42:39 +01:00
no-block.c
…
nsfs.c
…
open.c
mm, thp: fix incorrect unmap behavior for private pages
2021-11-18 19:17:17 +01:00
pipe.c
Revert "mm/gup: remove try_get_page(), call try_get_compound_head() directly"
2021-09-07 11:03:45 -07:00
pnode.c
…
pnode.h
…
posix_acl.c
ovl: enable RCU'd ->get_acl()
2021-08-18 22:08:24 +02:00
proc_namespace.c
…
read_write.c
fs: clean up after mandatory file locking support removal
2021-08-24 07:52:45 -04:00
readdir.c
…
remap_range.c
fs: remove mandatory file locking support
2021-08-23 06:15:36 -04:00
select.c
select: Fix indefinitely sleeping task in poll_schedule_timeout()
2022-01-29 10:58:25 +01:00
seq_file.c
seq_file: disallow extremely large seq buffer allocations
2021-07-19 17:18:48 -07:00
signalfd.c
signalfd: use wake_up_pollfree()
2021-12-14 10:57:15 +01:00
splice.c
…
stack.c
…
stat.c
fs: add generic helper for filling statx attribute flags
2021-08-17 11:47:43 +02:00
statfs.c
…
super.c
devtmpfs regression fix: reconfigure on each mount
2022-01-20 09:13:13 +01:00
sync.c
…
timerfd.c
timerfd: Provide timerfd_resume()
2021-08-10 17:57:22 +02:00
userfaultfd.c
userfaultfd: fix a race between writeprotect and exit_mmap()
2021-10-18 20:22:02 -10:00
utimes.c
…
xattr.c
…