From 69c4a42d72eb9b41e1c6e4bc9ab7f3650bf35f62 Mon Sep 17 00:00:00 2001 From: Olga Kornievskaia Date: Fri, 26 Feb 2021 22:37:55 -0500 Subject: lsm,selinux: add new hook to compare new mount to an existing mount Add a new hook that takes an existing super block and a new mount with new options and determines if new options confict with an existing mount or not. A filesystem can use this new hook to determine if it can share the an existing superblock with a new superblock for the new mount. Signed-off-by: Olga Kornievskaia Acked-by: Anna Schumaker [PM: tweak the subject line, fix tab/space problems] Signed-off-by: Paul Moore --- include/linux/lsm_hook_defs.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/linux/lsm_hook_defs.h') diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h index 477a597db013..1b61bc5dc215 100644 --- a/include/linux/lsm_hook_defs.h +++ b/include/linux/lsm_hook_defs.h @@ -62,6 +62,7 @@ LSM_HOOK(int, 0, sb_alloc_security, struct super_block *sb) LSM_HOOK(void, LSM_RET_VOID, sb_free_security, struct super_block *sb) LSM_HOOK(void, LSM_RET_VOID, sb_free_mnt_opts, void *mnt_opts) LSM_HOOK(int, 0, sb_eat_lsm_opts, char *orig, void **mnt_opts) +LSM_HOOK(int, 0, sb_mnt_opts_compat, struct super_block *sb, void *mnt_opts) LSM_HOOK(int, 0, sb_remount, struct super_block *sb, void *mnt_opts) LSM_HOOK(int, 0, sb_kern_mount, struct super_block *sb) LSM_HOOK(int, 0, sb_show_options, struct seq_file *m, struct super_block *sb) -- cgit v1.2.3-59-g8ed1b