smack_inode_get_acl(9)
π smack_inode_get_acl(9) β the Kernel API Manual, bestie edition β¨
okay so you've wandered into the Kernel API Manual, section 9, and the function we're stanning today is smack_inode_get_acl. it's a whole vibe. let's get into it π«Ά
πΈ NAME πΈ
smack_inode_get_acl β the Smack check for getting posix acls. that's it, that's the whole job. she's a gatekeeper and she's iconic for it π
β¨ SYNOPSIS β¨
int smack_inode_get_acl (struct mnt_idmap *idmap , struct dentry *dentry
, const char *acl_name );
literally just three args, no cap. copy it exactly, bestie, don't touch the spacing π
π ARGUMENTS π
idmapβ the idmap of the mnt this request came from. like, which mount's identity-mapping situation are we even talking about here πΊοΈdentryβ the object. the literal thing in question. main character energy fracl_nameβ name of the posix acl. yes, she gets a name, and yes, she'll be judged by it π·οΈ
π DESCRIPTION π
Returns 0 if access is permitted, an error code otherwise.
that's the entire bit and honestly? it ate. no lore, no side quests β just "yes you may" or "nope, here's a code" ππ
lowkey important: 0 = go ahead, anything else = error code. don't get it twisted bestie π
π¦ SEE ALSO π¦
the friend group is HUGE, we're talking a whole festival lineup, so buckle up πͺβ¨
Kernel file ./security/smack/smack_lsm.c:
smk_fetch(9)init_inode_smack(9)init_task_smack(9)smk_copy_rules(9)smk_copy_relabel(9)smk_ptrace_mode(9)smk_ptrace_rule_check(9)smack_ptrace_access_check(9)smack_ptrace_traceme(9)smack_syslog(9)smack_sb_alloc_security(9)smack_fs_context_submount(9)smack_fs_context_dup(9)smack_fs_context_parse_param(9)smack_set_mnt_opts(9)smack_sb_statfs(9)smack_bprm_creds_for_exec(9)smack_inode_alloc_security(9)smk_rule_transmutes(9)smack_inode_init_security(9)smack_inode_link(9)smack_inode_unlink(9)smack_inode_rmdir(9)smack_inode_rename(9)smack_inode_permission(9)smack_inode_setattr(9)smack_inode_getattr(9)smack_inode_xattr_skipcap(9)smack_inode_setxattr(9)smack_inode_post_setxattr(9)smack_inode_getxattr(9)smack_inode_removexattr(9)smack_inode_set_acl(9)smack_inode_remove_acl(9)smack_inode_getsecurity(9)smack_inode_listsecurity(9)smack_inode_getlsmprop(9)smack_file_alloc_security(9)smack_file_ioctl(9)smack_file_lock(9)smack_file_fcntl(9)smack_mmap_file(9)smack_file_set_fowner(9)smack_file_send_sigiotask(9)smack_file_receive(9)smack_file_open(9)smack_cred_alloc_blank(9)smack_cred_free(9)smack_cred_prepare(9)smack_cred_transfer(9)smack_cred_getsecid(9)smack_cred_getlsmprop(9)smack_kernel_act_as(9)smack_kernel_create_files_as(9)smk_curacc_on_task(9)smack_task_setpgid(9)smack_task_getpgid(9)smack_task_getsid(9)smack_current_getlsmprop_subj(9)smack_task_getlsmprop_obj(9)smack_task_setnice(9)smack_task_setioprio(9)smack_task_getioprio(9)smack_task_setscheduler(9)smack_task_getscheduler(9)smack_task_movememory(9)smack_task_kill(9)smack_task_to_inode(9)smack_sk_alloc_security(9)smack_sk_free_security(9)smack_sk_clone_security(9)smack_ipv4host_label(9)smack_ipv6host_label(9)smack_netlbl_add(9)smack_netlbl_delete(9)smk_ipv4_check(9)smk_ipv6_check(9)smk_ipv6_port_label(9)smk_ipv6_port_check(9)smack_inode_setsecurity(9)smack_socket_post_create(9)smack_socket_socketpair(9)smack_socket_bind(9)smack_socket_connect(9)smack_flags_to_may(9)smack_msg_msg_alloc_security(9)smack_of_ipc(9)smack_ipc_alloc_security(9)smk_curacc_shm(9)smack_shm_associate(9)smack_shm_shmctl(9)smack_shm_shmat(9)smk_curacc_sem(9)smack_sem_associate(9)smack_sem_semctl(9)smack_sem_semop(9)smk_tskacc_msq(9)smk_curacc_msq(9)smack_msg_queue_associate(9)smack_msg_queue_msgctl(9)smack_msg_queue_msgsnd(9)smack_msg_queue_msgrcv(9)smack_ipc_permission(9)smack_ipc_getlsmprop(9)smack_d_instantiate(9)smack_getselfattr(9)smack_getprocattr(9)do_setattr(9)smack_setselfattr(9)smack_setprocattr(9)smack_unix_stream_connect(9)smack_unix_may_send(9)smack_socket_sendmsg(9)smack_from_secattr(9)smack_from_skb(9)smack_from_netlbl(9)smack_socket_sock_rcv_skb(9)smack_socket_getpeersec_stream(9)smack_socket_getpeersec_dgram(9)smack_inet_conn_request(9)smack_inet_csk_clone(9)smack_key_alloc(9)smack_key_permission(9)smack_watch_key(9)smack_post_notification(9)smack_audit_rule_init(9)smack_audit_rule_known(9)smack_audit_rule_match(9)smack_ismaclabel(9)smack_to_secctx(9)smack_secid_to_secctx(9)smack_lsmprop_to_secctx(9)smack_secctx_to_secid(9)smack_uring_override_creds(9)smack_uring_sqpoll(9)smack_uring_cmd(9)smack_init(9)
like I said. a whole lineup. screenshot it, save it, reference it, slay π
π§ tiny housekeeping note: this page lives under./security/smack, dated October 2026, and the page itself issmack_inode_get_acl(9). bye bestie, go get those acls πβ¨π
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms