Oleg Nesterov aaec5a95d5 pipe_read: don't wake up the writer if the pipe is still full ...

wake_up(pipe->wr_wait) makes no sense if pipe_full() is still true after
the reading, the writer sleeping in wait_event(wr_wait, pipe_writable())
will check the pipe_writable() == !pipe_full() condition and sleep again.

Only wake the writer if we actually released a pipe buf, and the pipe was
full before we did so.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Link: https://lore.kernel.org/all/20241229135737.GA3293@redhat.com/
Link: https://lore.kernel.org/r/20250102140715.GA7091@redhat.com
Reported-by: WangYuli <wangyuli@uniontech.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>

2025-01-04 10:12:19 +01:00

..

9p

fs/9p: replace functions v9fs_cache_{register|unregister} with direct calls

2024-11-16 17:23:19 +09:00

adfs

Merge patch series "adfs, affs, befs, hfs, hfsplus: convert to new mount api"

2024-10-08 14:41:53 +02:00

affs

Merge patch series "adfs, affs, befs, hfs, hfsplus: convert to new mount api"

2024-10-08 14:41:53 +02:00

afs

Merge tag 'vfs-6.12-rc6.fixes' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs

2024-11-01 07:37:10 -10:00

autofs

autofs: fix thinko in validate_dev_ioctl()

2024-10-28 13:16:56 +01:00

bcachefs

Merge tag 'mm-nonmm-stable-2024-11-24-02-05' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2024-11-25 16:09:48 -08:00

befs

befs: convert befs to use the new mount api

2024-09-18 11:44:43 +02:00

bfs

fs: Convert aops->write_begin to take a folio

2024-08-07 11:33:21 +02:00

btrfs

Merge tag 'cxl-for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

2024-11-22 12:33:52 -08:00

cachefiles

cachefiles: Fix NULL pointer dereference in object->file

2024-11-11 14:39:38 +01:00

ceph

Merge tag 'ceph-for-6.13-rc1' of https://github.com/ceph/ceph-client

2024-11-30 10:22:38 -08:00

coda

coda: use param->file for FSCONFIG_SET_FD

2024-08-19 13:45:03 +02:00

configfs

configfs: improve item creation performance

2024-11-14 07:45:20 +01:00

cramfs

Merge tag 'vfs-6.11.module.description' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

2024-07-15 11:14:59 -07:00

crypto

Merge tag 'random-6.13-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random

2024-11-19 10:43:44 -08:00

debugfs

debugfs: add small file operations for most files

2024-10-23 16:47:01 +02:00

devpts

…

dlm

dlm: fix dlm_recover_members refcount on error

2024-11-18 10:05:57 -06:00

ecryptfs

Merge tag 'vfs-6.13.ecryptfs.mount.api' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

2024-11-26 13:39:02 -08:00

efivarfs

[tree-wide] finally take no_llseek out

2024-09-27 08:18:43 -07:00

efs

efs: fix the efs new mount api implementation

2024-10-15 15:58:36 +02:00

erofs

erofs: handle NONHEAD !delta[1] lclusters gracefully

2024-11-18 18:50:14 +08:00

exfat

exfat: reduce FAT chain traversal

2024-11-25 17:08:27 +09:00

exportfs

fs: prepare for "explicit connectable" file handles

2024-11-15 11:34:57 +01:00

ext2

Merge tag 'vfs-6.12.file' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

2024-09-16 09:14:02 +02:00

ext4

ext4: use inode_set_cached_link()

2024-12-22 11:29:50 +01:00

f2fs

Merge tag 'f2fs-for-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

2024-11-26 12:50:58 -08:00

fat

fat: fix uninitialized variable

2024-10-17 00:28:06 -07:00

freevxfs

freevxfs: Replace one-element array with flexible array member

2024-11-06 10:42:06 +01:00

fuse

Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

2024-11-27 13:11:58 -08:00

gfs2

Merge tag 'gfs2-for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2

2024-11-26 12:34:50 -08:00

hfs

hfs: convert hfs to use the new mount api

2024-10-08 14:41:46 +02:00

hfsplus

Merge tag 'vfs-6.13.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

2024-11-18 09:35:30 -08:00

hostfs

hostfs: Fix the NULL vs IS_ERR() bug for __filemap_get_folio()

2024-11-15 20:55:32 +01:00

hpfs

hpfs: convert hpfs to use the new mount api

2024-10-08 14:41:53 +02:00

hugetlbfs

Merge tag 'mm-stable-2024-11-18-19-27' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2024-11-23 09:58:07 -08:00

iomap

Merge branch 'ovl.fixes'

2024-11-26 18:15:06 +01:00

isofs

isofs: avoid memory leak in iocharset

2024-11-06 20:24:41 +01:00

jbd2

jbd2: Fix comment describing journal_init_common()

2024-11-13 12:56:48 -05:00

jffs2

jffs2: Prevent rtime decompress memory corruption

2024-11-14 20:56:19 +01:00

jfs

Merge tag 'jfs-6.13' of github.com:kleikamp/linux-shaggy

2024-11-21 09:59:59 -08:00

kernfs

kernfs: mount: Remove unnecessary ‘NULL’ values from knparent

2024-05-04 19:02:39 +02:00

lockd

Merge tag 'nfsd-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux

2024-11-26 12:59:30 -08:00

minix

buffer: Convert __block_write_begin() to take a folio

2024-08-07 11:33:36 +02:00

netfs

fscache: Remove duplicate included header

2024-11-21 09:35:25 +01:00

nfs

Merge tag 'nfs-for-6.13-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

2024-11-30 10:17:53 -08:00

nfs_common

nfs_common: must not hold RCU while calling nfsd_file_put_local

2024-11-18 20:23:12 -05:00

nfsd

Merge tag 'nfsd-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux

2024-11-26 12:59:30 -08:00

nilfs2

Merge tag 'mm-nonmm-stable-2024-11-24-02-05' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2024-11-25 16:09:48 -08:00

nls

move asm/unaligned.h to linux/unaligned.h

2024-10-02 17:23:23 -04:00

notify

Merge tag 'fsnotify_for_v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

2024-11-21 09:55:45 -08:00

ntfs3

fs/ntfs3: Accumulated refactoring changes

2024-11-01 11:19:53 +03:00

ocfs2

Merge tag 'mm-nonmm-stable-2024-11-24-02-05' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2024-11-25 16:09:48 -08:00

omfs

fs: Convert aops->write_begin to take a folio

2024-08-07 11:33:21 +02:00

openpromfs

openpromfs: add missing MODULE_DESCRIPTION() macro

2024-06-20 09:46:01 +02:00

orangefs

move asm/unaligned.h to linux/unaligned.h

2024-10-02 17:23:23 -04:00

overlayfs

Merge tag 'ovl-update-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs

2024-11-22 20:55:42 -08:00

proc

vfs: support caching symlink lengths in inodes

2024-12-22 11:29:50 +01:00

pstore

Merge tag 'drm-next-2024-09-19' of https://gitlab.freedesktop.org/drm/kernel

2024-09-19 10:18:15 +02:00

qnx4

qnx4: add MODULE_DESCRIPTION()

2024-05-28 11:52:53 +02:00

qnx6

qnx6: Convert directory handling to use kmap_local

2024-08-07 11:31:56 +02:00

quota

Merge tag 'reiserfs_delete' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

2024-11-21 09:50:18 -08:00

ramfs

mm: switch mm->get_unmapped_area() to a flag

2024-04-25 20:56:25 -07:00

romfs

romfs: fix romfs_read_folio()

2024-08-21 22:32:58 +02:00

smb

Merge tag '6.13-rc-part2-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6

2024-11-30 10:14:42 -08:00

squashfs

Squashfs: fix variable overflow in squashfs_readpage_block

2024-10-30 20:14:12 -07:00

sysfs

sysfs: bin_attribute: add const read/write callback variants

2024-11-05 14:00:28 +01:00

sysv

buffer: Convert __block_write_begin() to take a folio

2024-08-07 11:33:36 +02:00

tests

execve: Move KUnit tests to tests/ subdirectory

2024-07-22 18:25:47 -07:00

tracefs

tracing: Fix tracefs mount options

2024-11-01 08:38:14 -04:00

ubifs

Merge tag 'ubifs-for-linus-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs

2024-11-30 10:32:47 -08:00

udf

udf: fix uninit-value use in udf_get_fileshortad

2024-10-02 14:32:37 +02:00

ufs

ufs: ufs_sb_private_info: remove unused s_{2,3}apb fields

2024-11-12 19:02:12 -05:00

unicode

Merge tag 'unicode-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/krisman/unicode

2024-11-22 20:50:55 -08:00

vboxsf

fs: Convert aops->write_end to take a folio

2024-08-07 11:32:02 +02:00

verity

fsverity: expose verified fsverity built-in signatures to LSMs

2024-08-20 14:03:18 -04:00

xfs

Merge tag 'mm-stable-2024-11-18-19-27' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2024-11-23 09:58:07 -08:00

zonefs

Merge tag 'zonefs-6.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs

2024-10-02 12:02:15 -07:00

aio.c

Merge tag 'timers-core-2024-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2024-11-19 16:35:06 -08:00

anon_inodes.c

fs: Create anon_inode_getfile_fmode()

2024-04-26 10:33:05 +02:00

attr.c

fs: handle delegated timestamps in setattr_copy_mgtime

2024-10-10 10:20:51 +02:00

backing-file.c

fs/backing_file: fix wrong argument in callback

2024-11-26 18:13:29 +01:00

bad_inode.c

…

binfmt_elf_fdpic.c

Revert "fs: don't block i_writecount during exec"

2024-11-27 12:51:30 +01:00

binfmt_elf.c

Revert "fs: don't block i_writecount during exec"

2024-11-27 12:51:30 +01:00

binfmt_flat.c

move asm/unaligned.h to linux/unaligned.h

2024-10-02 17:23:23 -04:00

binfmt_misc.c

Revert "fs: don't block i_writecount during exec"

2024-11-27 12:51:30 +01:00

binfmt_script.c

fs: binfmt: add missing MODULE_DESCRIPTION() macros

2024-05-28 12:06:51 +02:00

bpf_fs_kfuncs.c

bpf: Add kfunc bpf_get_dentry_xattr() to read xattr from dentry

2024-08-07 11:26:54 -07:00

buffer.c

Merge tag 'mm-stable-2024-11-18-19-27' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2024-11-23 09:58:07 -08:00

char_dev.c

fs: Reorganize kerneldoc parameter names

2024-10-22 11:16:57 +02:00

compat_binfmt_elf.c

binfmt_elf: Wire up AT_HWCAP3 at AT_HWCAP4

2024-10-17 18:38:49 +01:00

coredump.c

coredump: add cond_resched() to dump_user_range

2024-10-22 11:16:58 +02:00

d_path.c

…

dax.c

fsdax: dax_unshare_iter needs to copy entire blocks

2024-10-07 13:51:47 +02:00

dcache.c

Merge tag 'mm-stable-2024-11-18-19-27' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2024-11-23 09:58:07 -08:00

direct-io.c

fs/direct-io: Remove linux/prefetch.h include

2024-08-19 13:45:02 +02:00

drop_caches.c

sysctl: treewide: constify the ctl_table argument of proc_handlers

2024-07-24 20:59:29 +02:00

eventfd.c

fdget(), trivial conversions

2024-11-03 01:28:06 -05:00

eventpoll.c

Merge tag 'net-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

2024-11-21 08:28:08 -08:00

exec.c

Revert "fs: don't block i_writecount during exec"

2024-11-27 12:51:30 +01:00

fcntl.c

fs: require inode_owner_or_capable for F_SET_RW_HINT

2024-11-25 15:16:49 +01:00

fhandle.c

Merge tag 'vfs-6.13.exportfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

2024-11-26 13:26:15 -08:00

file_table.c

file: flush delayed work in delayed fput()

2024-12-22 11:29:52 +01:00

file.c

fs: sort out a stale comment about races between fd alloc and dup2

2024-12-22 11:33:42 +01:00

filesystems.c

…

fs_context.c

fs: fc_log replace magic number 7 with ARRAY_SIZE()

2024-12-22 11:29:52 +01:00

fs_parser.c

Merge tag 'vfs-6.13.ovl' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

2024-11-18 10:45:06 -08:00

fs_pin.c

…

fs_struct.c

…

fs_types.c

…

fs-writeback.c

Merge patch series "two little writeback cleanups v2"

2024-11-13 14:08:34 +01:00

fsopen.c

fdget(), more trivial conversions

2024-11-03 01:28:06 -05:00

init.c

…

inode.c

Merge tag 'mm-stable-2024-11-18-19-27' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2024-11-23 09:58:07 -08:00

internal.h

Merge tag 'pull-statx' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

2024-11-18 14:54:10 -08:00

ioctl.c

fdget(), trivial conversions

2024-11-03 01:28:06 -05:00

Kconfig

reiserfs: The last commit

2024-10-21 16:29:38 +02:00

Kconfig.binfmt

exec: Add KUnit test for bprm_stack_limits()

2024-06-19 13:13:55 -07:00

kernel_read_file.c

fdget(), trivial conversions

2024-11-03 01:28:06 -05:00

libfs.c

Merge tag 'pull-statx' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

2024-11-18 14:54:10 -08:00

locks.c

fdget(), more trivial conversions

2024-11-03 01:28:06 -05:00

Makefile

reiserfs: The last commit

2024-10-21 16:29:38 +02:00

mbcache.c

…

mnt_idmapping.c

Merge tag 'fuse-update-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse

2024-09-24 15:29:42 -07:00

mount.h

Merge tag 'vfs-6.12.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

2024-09-16 11:15:26 +02:00

mpage.c

fs/writeback: convert wbc_account_cgroup_owner to take a folio

2024-10-28 13:26:54 +01:00

namei.c

vfs: support caching symlink lengths in inodes

2024-12-22 11:29:50 +01:00

namespace.c

statmount: fix security option retrieval

2024-11-21 09:35:31 +01:00

nsfs.c

[tree-wide] finally take no_llseek out

2024-09-27 08:18:43 -07:00

open.c

Merge tag 'fsnotify_for_v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

2024-11-21 09:55:45 -08:00

pidfs.c

pidfd: add ioctl to retrieve pid info

2024-10-24 13:54:51 +02:00

pipe.c

pipe_read: don't wake up the writer if the pipe is still full

2025-01-04 10:12:19 +01:00

pnode.c

fs: Fix grammar and spelling in propagate_umount()

2024-12-22 11:29:52 +01:00

pnode.h

…

posix_acl.c

acl: Annotate struct posix_acl with __counted_by()

2024-10-22 11:16:59 +02:00

proc_namespace.c

fs: rename show_mnt_opts -> show_vfsmnt_opts

2024-06-28 14:36:43 +02:00

read_write.c

Merge tag 'pull-fd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

2024-11-18 12:24:06 -08:00

readdir.c

introduce "fd_pos" class, convert fdget_pos() users to it.

2024-11-03 01:28:06 -05:00

remap_range.c

convert vfs_dedupe_file_range().

2024-11-03 01:28:07 -05:00

select.c

do_pollfd(): convert to CLASS(fd)

2024-11-03 01:28:07 -05:00

seq_file.c

fs: Reorganize kerneldoc parameter names

2024-10-22 11:16:57 +02:00

signalfd.c

fdget(), trivial conversions

2024-11-03 01:28:06 -05:00

splice.c

fdget(), more trivial conversions

2024-11-03 01:28:06 -05:00

stack.c

…

stat.c

Merge tag 'pull-statx' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

2024-11-18 14:54:10 -08:00

statfs.c

fdget_raw() users: switch to CLASS(fd_raw)

2024-11-03 01:28:06 -05:00

super.c

fs/super.c: introduce get_tree_bdev_flags()

2024-10-21 14:30:26 +02:00

sync.c

fdget(), trivial conversions

2024-11-03 01:28:06 -05:00

sysctls.c

…

timerfd.c

Merge tag 'timers-core-2024-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2024-11-19 16:35:06 -08:00

userfaultfd.c

fork: do not invoke uffd on fork if error occurs

2024-10-28 21:40:38 -07:00

utimes.c

fdget(), more trivial conversions

2024-11-03 01:28:06 -05:00

xattr.c

xattr: remove redundant check on variable err

2024-11-06 13:00:01 -05:00