pidfs: implement ino allocation without the pidmap lock

Browse source

This paves the way for scalable PID allocation later.

The 32 bit variant merely takes a spinlock for simplicity, the 64 bit
variant uses a scalable scheme.

Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Link: https://patch.msgid.link/20260120184539.1480930-1-mjguzik@gmail.com
Co-developed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>

...

This commit is contained in:

Mateusz Guzik 2026-01-20 19:45:39 +01:00 • committed by Christian Brauner

parent 03aef0602f

commit 87caaeef79

No known key found for this signature in database

GPG key ID: 91C61BC06578DCA2

2 changed files with 73 additions and 43 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

113

fs/pidfs.c

View file

3

kernel/pid.c

View file