[PATCH v2 07/33] ns: uniformly initialize ns_common
From: Christian Brauner <brauner@kernel.org>
Date: 2025-09-12 11:53:40
Also in:
cgroups, linux-block, linux-fsdevel, linux-kselftest, linux-nfs, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
No point in cargo-culting the same code across all the different types. Use one common initializer. Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Christian Brauner <brauner@kernel.org> --- include/linux/proc_ns.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)
diff --git a/include/linux/proc_ns.h b/include/linux/proc_ns.h
index 5e1a4b378b79..dbb119bda097 100644
--- a/include/linux/proc_ns.h
+++ b/include/linux/proc_ns.h@@ -72,6 +72,22 @@ static inline int ns_alloc_inum(struct ns_common *ns) return proc_alloc_inum(&ns->inum); } +static inline int ns_common_init(struct ns_common *ns, + const struct proc_ns_operations *ops, + bool alloc_inum) +{ + if (alloc_inum) { + int ret; + ret = proc_alloc_inum(&ns->inum); + if (ret) + return ret; + } + refcount_set(&ns->count, 1); + ns->stashed = NULL; + ns->ops = ops; + return 0; +} + #define ns_free_inum(ns) proc_free_inum((ns)->inum) #define get_proc_ns(inode) ((struct ns_common *)(inode)->i_private)
--
2.47.3