Commit ee98fac8 authored by Jonathan Corbet's avatar Jonathan Corbet

Merge branch 'docs-fixes' into docs-next

Bring a handful of (relatively) urgent fixes into docs-next as well.
parents 46e90614 7d9c29bb
......@@ -131,6 +131,11 @@ Jeff Layton <jlayton@kernel.org> <jlayton@poochiereds.net>
Jeff Layton <jlayton@kernel.org> <jlayton@primarydata.com>
Jens Axboe <axboe@suse.de>
Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
Jiri Slaby <jirislaby@kernel.org> <jirislaby@gmail.com>
Jiri Slaby <jirislaby@kernel.org> <jslaby@novell.com>
Jiri Slaby <jirislaby@kernel.org> <jslaby@suse.com>
Jiri Slaby <jirislaby@kernel.org> <jslaby@suse.cz>
Jiri Slaby <jirislaby@kernel.org> <xslaby@fi.muni.cz>
Johan Hovold <johan@kernel.org> <jhovold@gmail.com>
Johan Hovold <johan@kernel.org> <johan@hovoldconsulting.com>
John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
......
......@@ -101,164 +101,164 @@ Mount Options
=============
====================== ============================================================
background_gc=%s Turn on/off cleaning operations, namely garbage
collection, triggered in background when I/O subsystem is
idle. If background_gc=on, it will turn on the garbage
collection and if background_gc=off, garbage collection
will be turned off. If background_gc=sync, it will turn
on synchronous garbage collection running in background.
Default value for this option is on. So garbage
collection is on by default.
disable_roll_forward Disable the roll-forward recovery routine
norecovery Disable the roll-forward recovery routine, mounted read-
only (i.e., -o ro,disable_roll_forward)
discard/nodiscard Enable/disable real-time discard in f2fs, if discard is
enabled, f2fs will issue discard/TRIM commands when a
segment is cleaned.
no_heap Disable heap-style segment allocation which finds free
segments for data from the beginning of main area, while
for node from the end of main area.
nouser_xattr Disable Extended User Attributes. Note: xattr is enabled
by default if CONFIG_F2FS_FS_XATTR is selected.
noacl Disable POSIX Access Control List. Note: acl is enabled
by default if CONFIG_F2FS_FS_POSIX_ACL is selected.
active_logs=%u Support configuring the number of active logs. In the
current design, f2fs supports only 2, 4, and 6 logs.
Default number is 6.
disable_ext_identify Disable the extension list configured by mkfs, so f2fs
does not aware of cold files such as media files.
inline_xattr Enable the inline xattrs feature.
noinline_xattr Disable the inline xattrs feature.
inline_xattr_size=%u Support configuring inline xattr size, it depends on
flexible inline xattr feature.
inline_data Enable the inline data feature: New created small(<~3.4k)
files can be written into inode block.
inline_dentry Enable the inline dir feature: data in new created
directory entries can be written into inode block. The
space of inode block which is used to store inline
dentries is limited to ~3.4k.
noinline_dentry Disable the inline dentry feature.
flush_merge Merge concurrent cache_flush commands as much as possible
to eliminate redundant command issues. If the underlying
device handles the cache_flush command relatively slowly,
recommend to enable this option.
nobarrier This option can be used if underlying storage guarantees
its cached data should be written to the novolatile area.
If this option is set, no cache_flush commands are issued
but f2fs still guarantees the write ordering of all the
data writes.
fastboot This option is used when a system wants to reduce mount
time as much as possible, even though normal performance
can be sacrificed.
extent_cache Enable an extent cache based on rb-tree, it can cache
as many as extent which map between contiguous logical
address and physical address per inode, resulting in
increasing the cache hit ratio. Set by default.
noextent_cache Disable an extent cache based on rb-tree explicitly, see
the above extent_cache mount option.
noinline_data Disable the inline data feature, inline data feature is
enabled by default.
data_flush Enable data flushing before checkpoint in order to
persist data of regular and symlink.
reserve_root=%d Support configuring reserved space which is used for
allocation from a privileged user with specified uid or
gid, unit: 4KB, the default limit is 0.2% of user blocks.
resuid=%d The user ID which may use the reserved blocks.
resgid=%d The group ID which may use the reserved blocks.
fault_injection=%d Enable fault injection in all supported types with
specified injection rate.
fault_type=%d Support configuring fault injection type, should be
enabled with fault_injection option, fault type value
is shown below, it supports single or combined type.
=================== ===========
Type_Name Type_Value
=================== ===========
FAULT_KMALLOC 0x000000001
FAULT_KVMALLOC 0x000000002
FAULT_PAGE_ALLOC 0x000000004
FAULT_PAGE_GET 0x000000008
FAULT_ALLOC_BIO 0x000000010
FAULT_ALLOC_NID 0x000000020
FAULT_ORPHAN 0x000000040
FAULT_BLOCK 0x000000080
FAULT_DIR_DEPTH 0x000000100
FAULT_EVICT_INODE 0x000000200
FAULT_TRUNCATE 0x000000400
FAULT_READ_IO 0x000000800
FAULT_CHECKPOINT 0x000001000
FAULT_DISCARD 0x000002000
FAULT_WRITE_IO 0x000004000
=================== ===========
mode=%s Control block allocation mode which supports "adaptive"
and "lfs". In "lfs" mode, there should be no random
writes towards main area.
io_bits=%u Set the bit size of write IO requests. It should be set
with "mode=lfs".
usrquota Enable plain user disk quota accounting.
grpquota Enable plain group disk quota accounting.
prjquota Enable plain project quota accounting.
usrjquota=<file> Appoint specified file and type during mount, so that quota
grpjquota=<file> information can be properly updated during recovery flow,
prjjquota=<file> <quota file>: must be in root directory;
jqfmt=<quota type> <quota type>: [vfsold,vfsv0,vfsv1].
offusrjquota Turn off user journelled quota.
offgrpjquota Turn off group journelled quota.
offprjjquota Turn off project journelled quota.
quota Enable plain user disk quota accounting.
noquota Disable all plain disk quota option.
whint_mode=%s Control which write hints are passed down to block
layer. This supports "off", "user-based", and
"fs-based". In "off" mode (default), f2fs does not pass
down hints. In "user-based" mode, f2fs tries to pass
down hints given by users. And in "fs-based" mode, f2fs
passes down hints with its policy.
alloc_mode=%s Adjust block allocation policy, which supports "reuse"
and "default".
fsync_mode=%s Control the policy of fsync. Currently supports "posix",
"strict", and "nobarrier". In "posix" mode, which is
default, fsync will follow POSIX semantics and does a
light operation to improve the filesystem performance.
In "strict" mode, fsync will be heavy and behaves in line
with xfs, ext4 and btrfs, where xfstest generic/342 will
pass, but the performance will regress. "nobarrier" is
based on "posix", but doesn't issue flush command for
non-atomic files likewise "nobarrier" mount option.
======================== ============================================================
background_gc=%s Turn on/off cleaning operations, namely garbage
collection, triggered in background when I/O subsystem is
idle. If background_gc=on, it will turn on the garbage
collection and if background_gc=off, garbage collection
will be turned off. If background_gc=sync, it will turn
on synchronous garbage collection running in background.
Default value for this option is on. So garbage
collection is on by default.
disable_roll_forward Disable the roll-forward recovery routine
norecovery Disable the roll-forward recovery routine, mounted read-
only (i.e., -o ro,disable_roll_forward)
discard/nodiscard Enable/disable real-time discard in f2fs, if discard is
enabled, f2fs will issue discard/TRIM commands when a
segment is cleaned.
no_heap Disable heap-style segment allocation which finds free
segments for data from the beginning of main area, while
for node from the end of main area.
nouser_xattr Disable Extended User Attributes. Note: xattr is enabled
by default if CONFIG_F2FS_FS_XATTR is selected.
noacl Disable POSIX Access Control List. Note: acl is enabled
by default if CONFIG_F2FS_FS_POSIX_ACL is selected.
active_logs=%u Support configuring the number of active logs. In the
current design, f2fs supports only 2, 4, and 6 logs.
Default number is 6.
disable_ext_identify Disable the extension list configured by mkfs, so f2fs
does not aware of cold files such as media files.
inline_xattr Enable the inline xattrs feature.
noinline_xattr Disable the inline xattrs feature.
inline_xattr_size=%u Support configuring inline xattr size, it depends on
flexible inline xattr feature.
inline_data Enable the inline data feature: New created small(<~3.4k)
files can be written into inode block.
inline_dentry Enable the inline dir feature: data in new created
directory entries can be written into inode block. The
space of inode block which is used to store inline
dentries is limited to ~3.4k.
noinline_dentry Disable the inline dentry feature.
flush_merge Merge concurrent cache_flush commands as much as possible
to eliminate redundant command issues. If the underlying
device handles the cache_flush command relatively slowly,
recommend to enable this option.
nobarrier This option can be used if underlying storage guarantees
its cached data should be written to the novolatile area.
If this option is set, no cache_flush commands are issued
but f2fs still guarantees the write ordering of all the
data writes.
fastboot This option is used when a system wants to reduce mount
time as much as possible, even though normal performance
can be sacrificed.
extent_cache Enable an extent cache based on rb-tree, it can cache
as many as extent which map between contiguous logical
address and physical address per inode, resulting in
increasing the cache hit ratio. Set by default.
noextent_cache Disable an extent cache based on rb-tree explicitly, see
the above extent_cache mount option.
noinline_data Disable the inline data feature, inline data feature is
enabled by default.
data_flush Enable data flushing before checkpoint in order to
persist data of regular and symlink.
reserve_root=%d Support configuring reserved space which is used for
allocation from a privileged user with specified uid or
gid, unit: 4KB, the default limit is 0.2% of user blocks.
resuid=%d The user ID which may use the reserved blocks.
resgid=%d The group ID which may use the reserved blocks.
fault_injection=%d Enable fault injection in all supported types with
specified injection rate.
fault_type=%d Support configuring fault injection type, should be
enabled with fault_injection option, fault type value
is shown below, it supports single or combined type.
=================== ===========
Type_Name Type_Value
=================== ===========
FAULT_KMALLOC 0x000000001
FAULT_KVMALLOC 0x000000002
FAULT_PAGE_ALLOC 0x000000004
FAULT_PAGE_GET 0x000000008
FAULT_ALLOC_BIO 0x000000010
FAULT_ALLOC_NID 0x000000020
FAULT_ORPHAN 0x000000040
FAULT_BLOCK 0x000000080
FAULT_DIR_DEPTH 0x000000100
FAULT_EVICT_INODE 0x000000200
FAULT_TRUNCATE 0x000000400
FAULT_READ_IO 0x000000800
FAULT_CHECKPOINT 0x000001000
FAULT_DISCARD 0x000002000
FAULT_WRITE_IO 0x000004000
=================== ===========
mode=%s Control block allocation mode which supports "adaptive"
and "lfs". In "lfs" mode, there should be no random
writes towards main area.
io_bits=%u Set the bit size of write IO requests. It should be set
with "mode=lfs".
usrquota Enable plain user disk quota accounting.
grpquota Enable plain group disk quota accounting.
prjquota Enable plain project quota accounting.
usrjquota=<file> Appoint specified file and type during mount, so that quota
grpjquota=<file> information can be properly updated during recovery flow,
prjjquota=<file> <quota file>: must be in root directory;
jqfmt=<quota type> <quota type>: [vfsold,vfsv0,vfsv1].
offusrjquota Turn off user journelled quota.
offgrpjquota Turn off group journelled quota.
offprjjquota Turn off project journelled quota.
quota Enable plain user disk quota accounting.
noquota Disable all plain disk quota option.
whint_mode=%s Control which write hints are passed down to block
layer. This supports "off", "user-based", and
"fs-based". In "off" mode (default), f2fs does not pass
down hints. In "user-based" mode, f2fs tries to pass
down hints given by users. And in "fs-based" mode, f2fs
passes down hints with its policy.
alloc_mode=%s Adjust block allocation policy, which supports "reuse"
and "default".
fsync_mode=%s Control the policy of fsync. Currently supports "posix",
"strict", and "nobarrier". In "posix" mode, which is
default, fsync will follow POSIX semantics and does a
light operation to improve the filesystem performance.
In "strict" mode, fsync will be heavy and behaves in line
with xfs, ext4 and btrfs, where xfstest generic/342 will
pass, but the performance will regress. "nobarrier" is
based on "posix", but doesn't issue flush command for
non-atomic files likewise "nobarrier" mount option.
test_dummy_encryption
test_dummy_encryption=%s
Enable dummy encryption, which provides a fake fscrypt
context. The fake fscrypt context is used by xfstests.
The argument may be either "v1" or "v2", in order to
select the corresponding fscrypt policy version.
checkpoint=%s[:%u[%]] Set to "disable" to turn off checkpointing. Set to "enable"
to reenable checkpointing. Is enabled by default. While
disabled, any unmounting or unexpected shutdowns will cause
the filesystem contents to appear as they did when the
filesystem was mounted with that option.
While mounting with checkpoint=disabled, the filesystem must
run garbage collection to ensure that all available space can
be used. If this takes too much time, the mount may return
EAGAIN. You may optionally add a value to indicate how much
of the disk you would be willing to temporarily give up to
avoid additional garbage collection. This can be given as a
number of blocks, or as a percent. For instance, mounting
with checkpoint=disable:100% would always succeed, but it may
hide up to all remaining free space. The actual space that
would be unusable can be viewed at /sys/fs/f2fs/<disk>/unusable
This space is reclaimed once checkpoint=enable.
compress_algorithm=%s Control compress algorithm, currently f2fs supports "lzo",
"lz4", "zstd" and "lzo-rle" algorithm.
compress_log_size=%u Support configuring compress cluster size, the size will
be 4KB * (1 << %u), 16KB is minimum size, also it's
default size.
compress_extension=%s Support adding specified extension, so that f2fs can enable
compression on those corresponding files, e.g. if all files
with '.ext' has high compression rate, we can set the '.ext'
on compression extension list and enable compression on
these file by default rather than to enable it via ioctl.
For other files, we can still enable compression via ioctl.
====================== ============================================================
Enable dummy encryption, which provides a fake fscrypt
context. The fake fscrypt context is used by xfstests.
The argument may be either "v1" or "v2", in order to
select the corresponding fscrypt policy version.
checkpoint=%s[:%u[%]] Set to "disable" to turn off checkpointing. Set to "enable"
to reenable checkpointing. Is enabled by default. While
disabled, any unmounting or unexpected shutdowns will cause
the filesystem contents to appear as they did when the
filesystem was mounted with that option.
While mounting with checkpoint=disabled, the filesystem must
run garbage collection to ensure that all available space can
be used. If this takes too much time, the mount may return
EAGAIN. You may optionally add a value to indicate how much
of the disk you would be willing to temporarily give up to
avoid additional garbage collection. This can be given as a
number of blocks, or as a percent. For instance, mounting
with checkpoint=disable:100% would always succeed, but it may
hide up to all remaining free space. The actual space that
would be unusable can be viewed at /sys/fs/f2fs/<disk>/unusable
This space is reclaimed once checkpoint=enable.
compress_algorithm=%s Control compress algorithm, currently f2fs supports "lzo",
"lz4", "zstd" and "lzo-rle" algorithm.
compress_log_size=%u Support configuring compress cluster size, the size will
be 4KB * (1 << %u), 16KB is minimum size, also it's
default size.
compress_extension=%s Support adding specified extension, so that f2fs can enable
compression on those corresponding files, e.g. if all files
with '.ext' has high compression rate, we can set the '.ext'
on compression extension list and enable compression on
these file by default rather than to enable it via ioctl.
For other files, we can still enable compression via ioctl.
======================== ============================================================
Debugfs Entries
===============
......
......@@ -2881,7 +2881,7 @@ S: Supported
F: drivers/net/wireless/ath/*
ATHEROS ATH5K WIRELESS DRIVER
M: Jiri Slaby <jirislaby@gmail.com>
M: Jiri Slaby <jirislaby@kernel.org>
M: Nick Kossifidis <mickflemm@gmail.com>
M: Luis Chamberlain <mcgrof@kernel.org>
L: linux-wireless@vger.kernel.org
......@@ -11560,7 +11560,7 @@ F: drivers/media/pci/meye/
F: include/uapi/linux/meye.h
MOXA SMARTIO/INDUSTIO/INTELLIO SERIAL CARD
M: Jiri Slaby <jirislaby@gmail.com>
M: Jiri Slaby <jirislaby@kernel.org>
S: Maintained
F: Documentation/driver-api/serial/moxa-smartio.rst
F: drivers/tty/mxser.*
......@@ -15348,7 +15348,7 @@ F: scripts/selinux/
F: security/selinux/
SENSABLE PHANTOM
M: Jiri Slaby <jirislaby@gmail.com>
M: Jiri Slaby <jirislaby@kernel.org>
S: Maintained
F: drivers/misc/phantom.c
F: include/uapi/linux/phantom.h
......@@ -17365,7 +17365,7 @@ K: ^Subject:.*(?i)trivial
TTY LAYER
M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
M: Jiri Slaby <jslaby@suse.com>
M: Jiri Slaby <jirislaby@kernel.org>
S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git
F: Documentation/driver-api/serial/
......
......@@ -323,10 +323,6 @@ sub check_sphinx()
$rec_sphinx_upgrade = 1;
return;
}
if ($cur_version lt $min_pdf_version) {
$rec_sphinx_upgrade = 1;
return;
}
# On version check mode, just assume Sphinx has all mandatory deps
exit (0) if ($version_check);
......
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