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All vfs methods now take a mnt_idmap instead of user_namespace arg.

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Similar to before when namespaces were added, they are now translated to
a mnt_idmap, since v6.2-rc1-2-gabf08576afe3.

Signed-off-by: Auke Kok <auke.kok@versity.com>
This commit is contained in:
Auke Kok
2025-04-22 23:11:31 -04:00
parent 8f3177fe33
commit 29e486e411
2 changed files with 14 additions and 0 deletions
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8
kmod/src/Makefile.kernelcompat
View File

@@ -278,6 +278,14 @@ ifneq (,$(shell grep 'int ..mknod. .struct user_namespace' include/linux/fs.h))
ccflags-y += -DKC_VFS_METHOD_USER_NAMESPACE_ARG
endif
#
# v6.2-rc1-2-gabf08576afe3
#
# fs: vfs methods use struct mnt_idmap instead of struct user_namespace
ifneq (,$(shell grep 'int vfs_mknod.struct mnt_idmap' include/linux/fs.h))
ccflags-y += -DKC_VFS_METHOD_MNT_IDMAP_ARG
endif
#
# v5.17-rc2-21-g07888c665b40
#

6
kmod/src/kernelcompat.h
View File

@@ -263,6 +263,11 @@ typedef unsigned int blk_opf_t;
#define kc__vmalloc __vmalloc
#endif
#ifdef KC_VFS_METHOD_MNT_IDMAP_ARG
#define KC_VFS_NS_DEF struct mnt_idmap *mnt_idmap,
#define KC_VFS_NS mnt_idmap,
#define KC_VFS_INIT_NS &nop_mnt_idmap,
#else
#ifdef KC_VFS_METHOD_USER_NAMESPACE_ARG
#define KC_VFS_NS_DEF struct user_namespace *mnt_user_ns,
#define KC_VFS_NS mnt_user_ns,
@@ -272,6 +277,7 @@ typedef unsigned int blk_opf_t;
#define KC_VFS_NS
#define KC_VFS_INIT_NS
#endif
#endif /* KC_VFS_METHOD_MNT_IDMAP_ARG */
#ifdef KC_BIO_ALLOC_DEV_OPF_ARGS
#define kc_bio_alloc bio_alloc