linux/Documentation
Christian Brauner eb50cbe14f
fs: port ->create() to pass const mnt_idmap
Convert to const struct mnt_idmap.

A mount's idmapping is immutable. The only thing that is allowed to be
modified afterwards is the reference count and that is hidden behind
mnt_idmap_get() and mnt_idmap_put(). Everything else only ever reads
from the idmapping. This is the same model that struct cred uses and the
idmapping is also rather sensitive.

So make the idmap argument const wherever we can. The conversion is done
from the bottom up so callers can continue to pass a non-const pointer
to a const parameter until the conversion is finished.

No functional changes.

Link: https://patch.msgid.link/20260901-work-idmap-const-v1-22-54ccd48e100b@kernel.org
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Seth Forshee <sforshee@kernel.org>
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
2026-09-23 09:19:51 +02:00
..
ABI f2fs-for-7.3-rc1 2026-08-28 10:48:48 -07:00
accel
accounting
admin-guide mm.git review status for linus..mm-stable 2026-08-27 09:17:06 -07:00
arch platform-drivers-x86 for v7.3-1 2026-08-24 10:16:35 -07:00
block A handful of late-arriving fixes, a Japanese translation that was ready 2026-08-26 09:25:12 -07:00
bpf bpf, arm64: Convert struct_ops arena arguments in the trampoline 2026-08-14 05:55:02 +02:00
cdrom
core-api mm.git review status for linus..mm-stable 2026-08-27 09:17:06 -07:00
cpu-freq
crypto This update includes the following changes: 2026-08-19 17:25:42 -07:00
dev-tools mm.git review status for linus..mm-stable 2026-08-27 09:17:06 -07:00
devicetree drm next/fixes for 7.3-rc1 2026-08-28 16:37:55 -07:00
doc-guide
driver-api More ACPI support updates for 7.3-rc1 2026-08-26 14:06:08 -07:00
edac
fault-injection
fb
features
filesystems fs: port ->create() to pass const mnt_idmap 2026-09-23 09:19:51 +02:00
firmware_class
firmware-guide
fpga
gpu DRM Rust changes for v7.3-rc1 2026-08-10 14:48:11 +10:00
hid HID: add documentation and Coccinelle script for FF registration race 2026-08-14 14:46:20 +02:00
hwmon Char/Misc/IIO/etc driver update for 7.3-rc1 2026-08-25 09:38:50 -07:00
i2c
iio
images
infiniband
input
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kernel-hacking
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maintainer
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misc-devices
mm mm.git review status for linus..mm-stable 2026-08-27 09:17:06 -07:00
netlabel
netlink NFSD 7.3 Release Notes 2026-08-20 12:39:56 -07:00
networking docs: oa-tc6-framework: Fix link to specification 2026-08-20 13:31:54 -07:00
nvdimm
nvme
PCI Documentation: PCI: Document how to write PCI Host Controller drivers 2026-08-12 14:20:48 -05:00
pcmcia
peci
power
process Coccinelle patches for Linux v7.3 2026-08-30 10:42:40 -07:00
RCU
rust docs: rust: quick-start: remove Ubuntu 25.10 2026-08-10 06:44:10 +02:00
scheduler sched_ext: Changes for v7.3 2026-08-20 11:01:37 -07:00
scsi scsi: leapraid: Standardize NCQ priority sysfs attributes 2026-08-23 21:57:41 -04:00
security Landlock update for v7.3-rc1 2026-08-21 12:28:35 -07:00
sound ALSA: usb-audio: Reverse MIXER_GET_CUR_BROKEN as MIXER_GET_CUR_OK 2026-08-23 11:03:34 +02:00
sphinx
sphinx-includes
sphinx-static
spi
staging
sunrpc/xdr nfsd: add support to CB_NOTIFY for dir attribute changes 2026-08-10 09:54:35 -04:00
target
tee
timers
tools
trace perf tools updates for v7.3 2026-08-22 08:47:50 -07:00
translations mm.git review status for linus..mm-stable 2026-08-27 09:17:06 -07:00
usb
userspace-api mm.git review status for linus..mm-stable 2026-08-27 09:17:06 -07:00
virt Arm: 2026-08-25 11:48:04 -07:00
w1
watchdog docs: watchdog: npcm: Add reset status description 2026-08-10 09:00:04 -07:00
wmi
.gitignore
.renames.txt
atomic_bitops.txt
atomic_t.txt
Changes
CodingStyle
conf.py docs: conf.py: fix the 'utf-8' typo 2026-08-11 10:45:54 -06:00
docutils.conf
index.rst
Kconfig
Makefile
memory-barriers.txt
SubmittingPatches
subsystem-apis.rst