| /linux-4.4.14/fs/kernfs/ |
| D | dir.c | 27 static bool kernfs_active(struct kernfs_node *kn) in kernfs_active() argument
30 return atomic_read(&kn->active) >= 0; in kernfs_active()
33 static bool kernfs_lockdep(struct kernfs_node *kn) in kernfs_lockdep() argument
36 return kn->flags & KERNFS_LOCKDEP; in kernfs_lockdep()
42 static int kernfs_name_locked(struct kernfs_node *kn, char *buf, size_t buflen) in kernfs_name_locked() argument
44 return strlcpy(buf, kn->parent ? kn->name : "/", buflen); in kernfs_name_locked()
47 static char * __must_check kernfs_path_locked(struct kernfs_node *kn, char *buf, in kernfs_path_locked() argument
56 len = strlen(kn->name); in kernfs_path_locked()
63 memcpy(p, kn->name, len); in kernfs_path_locked()
65 kn = kn->parent; in kernfs_path_locked()
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| D | symlink.c | 29 struct kernfs_node *kn; in kernfs_create_link() local
32 kn = kernfs_new_node(parent, name, S_IFLNK|S_IRWXUGO, KERNFS_LINK); in kernfs_create_link()
33 if (!kn) in kernfs_create_link()
37 kn->ns = target->ns; in kernfs_create_link()
38 kn->symlink.target_kn = target; in kernfs_create_link()
41 error = kernfs_add_one(kn); in kernfs_create_link()
43 return kn; in kernfs_create_link()
45 kernfs_put(kn); in kernfs_create_link()
52 struct kernfs_node *base, *kn; in kernfs_get_target_path() local
59 kn = target->parent; in kernfs_get_target_path()
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| D | inode.c | 37 static struct kernfs_iattrs *kernfs_iattrs(struct kernfs_node *kn) in kernfs_iattrs() argument
45 if (kn->iattr) in kernfs_iattrs()
48 kn->iattr = kzalloc(sizeof(struct kernfs_iattrs), GFP_KERNEL); in kernfs_iattrs()
49 if (!kn->iattr) in kernfs_iattrs()
51 iattrs = &kn->iattr->ia_iattr; in kernfs_iattrs()
54 iattrs->ia_mode = kn->mode; in kernfs_iattrs()
59 simple_xattrs_init(&kn->iattr->xattrs); in kernfs_iattrs()
61 ret = kn->iattr; in kernfs_iattrs()
66 static int __kernfs_setattr(struct kernfs_node *kn, const struct iattr *iattr) in __kernfs_setattr() argument
72 attrs = kernfs_iattrs(kn); in __kernfs_setattr()
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| D | file.c | 64 static const struct kernfs_ops *kernfs_ops(struct kernfs_node *kn) in kernfs_ops() argument
66 if (kn->flags & KERNFS_LOCKDEP) in kernfs_ops()
67 lockdep_assert_held(kn); in kernfs_ops()
68 return kn->attr.ops; in kernfs_ops()
96 const struct kernfs_ops *ops = kernfs_ops(of->kn); in kernfs_seq_stop_active()
100 kernfs_put_active(of->kn); in kernfs_seq_stop_active()
113 if (!kernfs_get_active(of->kn)) in kernfs_seq_start()
116 ops = kernfs_ops(of->kn); in kernfs_seq_start()
135 const struct kernfs_ops *ops = kernfs_ops(of->kn); in kernfs_seq_next()
166 of->event = atomic_read(&of->kn->attr.open->event); in kernfs_seq_show()
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| D | kernfs-internal.h | 40 static inline struct kernfs_root *kernfs_root(struct kernfs_node *kn) in kernfs_root() argument
43 if (kn->parent) in kernfs_root()
44 kn = kn->parent; in kernfs_root()
45 return kn->dir.root; in kernfs_root()
99 struct kernfs_node *kernfs_get_active(struct kernfs_node *kn);
100 void kernfs_put_active(struct kernfs_node *kn);
101 int kernfs_add_one(struct kernfs_node *kn);
111 void kernfs_unmap_bin_file(struct kernfs_node *kn);
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| D | mount.c | 80 inode = kernfs_get_inode(sb, info->root->kn); in kernfs_fill_super()
93 kernfs_get(info->root->kn); in kernfs_fill_super()
94 root->d_fsdata = info->root->kn; in kernfs_fill_super()
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| /linux-4.4.14/include/linux/ |
| D | kernfs.h | 152 int (*rmdir)(struct kernfs_node *kn);
153 int (*rename)(struct kernfs_node *kn, struct kernfs_node *new_parent,
159 struct kernfs_node *kn; member
174 struct kernfs_node *kn; member
237 static inline enum kernfs_node_type kernfs_type(struct kernfs_node *kn) in kernfs_type() argument
239 return kn->flags & KERNFS_TYPE_MASK; in kernfs_type()
250 static inline void kernfs_enable_ns(struct kernfs_node *kn) in kernfs_enable_ns() argument
252 WARN_ON_ONCE(kernfs_type(kn) != KERNFS_DIR); in kernfs_enable_ns()
253 WARN_ON_ONCE(!RB_EMPTY_ROOT(&kn->dir.children)); in kernfs_enable_ns()
254 kn->flags |= KERNFS_NS; in kernfs_enable_ns()
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| D | sysfs.h | 289 static inline void sysfs_enable_ns(struct kernfs_node *kn) in sysfs_enable_ns() argument
291 return kernfs_enable_ns(kn); in sysfs_enable_ns()
485 static inline void sysfs_enable_ns(struct kernfs_node *kn) in sysfs_enable_ns() argument
509 static inline void sysfs_notify_dirent(struct kernfs_node *kn) in sysfs_notify_dirent() argument
511 kernfs_notify(kn); in sysfs_notify_dirent()
520 static inline struct kernfs_node *sysfs_get(struct kernfs_node *kn) in sysfs_get() argument
522 kernfs_get(kn); in sysfs_get()
523 return kn; in sysfs_get()
526 static inline void sysfs_put(struct kernfs_node *kn) in sysfs_put() argument
528 kernfs_put(kn); in sysfs_put()
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| D | cgroup.h | 483 return cgrp->kn->ino; in cgroup_ino()
489 return of->kn->priv; in of_cft()
512 return kernfs_name(cgrp->kn, buf, buflen); in cgroup_name()
518 return kernfs_path(cgrp->kn, buf, buflen); in cgroup_path()
523 pr_cont_kernfs_name(cgrp->kn); in pr_cont_cgroup_name()
528 pr_cont_kernfs_path(cgrp->kn); in pr_cont_cgroup_path()
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| D | cgroup-defs.h | 93 struct kernfs_node *kn; member
250 struct kernfs_node *kn; /* cgroup kernfs entry */ member
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| /linux-4.4.14/fs/sysfs/ |
| D | file.c | 28 static const struct sysfs_ops *sysfs_file_ops(struct kernfs_node *kn) in sysfs_file_ops() argument
30 struct kobject *kobj = kn->parent->priv; in sysfs_file_ops()
32 if (kn->flags & KERNFS_LOCKDEP) in sysfs_file_ops()
33 lockdep_assert_held(kn); in sysfs_file_ops()
45 struct kobject *kobj = of->kn->parent->priv; in sysfs_kf_seq_show()
46 const struct sysfs_ops *ops = sysfs_file_ops(of->kn); in sysfs_kf_seq_show()
63 count = ops->show(kobj, of->kn->priv, buf); in sysfs_kf_seq_show()
85 struct bin_attribute *battr = of->kn->priv; in sysfs_kf_bin_read()
86 struct kobject *kobj = of->kn->parent->priv; in sysfs_kf_bin_read()
109 const struct sysfs_ops *ops = sysfs_file_ops(of->kn); in sysfs_kf_read()
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| D | dir.c | 43 struct kernfs_node *parent, *kn; in sysfs_create_dir_ns() local
55 kn = kernfs_create_dir_ns(parent, kobject_name(kobj), in sysfs_create_dir_ns()
57 if (IS_ERR(kn)) { in sysfs_create_dir_ns()
58 if (PTR_ERR(kn) == -EEXIST) in sysfs_create_dir_ns()
60 return PTR_ERR(kn); in sysfs_create_dir_ns()
63 kobj->sd = kn; in sysfs_create_dir_ns()
77 struct kernfs_node *kn = kobj->sd; in sysfs_remove_dir() local
95 if (kn) { in sysfs_remove_dir()
96 WARN_ON_ONCE(kernfs_type(kn) != KERNFS_DIR); in sysfs_remove_dir()
97 kernfs_remove(kn); in sysfs_remove_dir()
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| D | symlink.c | 25 struct kernfs_node *kn, *target = NULL; in sysfs_do_create_link_sd() local
44 kn = kernfs_create_link(parent, name, target); in sysfs_do_create_link_sd()
47 if (!IS_ERR(kn)) in sysfs_do_create_link_sd()
50 if (warn && PTR_ERR(kn) == -EEXIST) in sysfs_do_create_link_sd()
52 return PTR_ERR(kn); in sysfs_do_create_link_sd()
61 int sysfs_create_link_sd(struct kernfs_node *kn, struct kobject *target, in sysfs_create_link_sd() argument
64 return sysfs_do_create_link_sd(kn, target, name, 1); in sysfs_create_link_sd()
168 struct kernfs_node *parent, *kn = NULL; in sysfs_rename_link_ns() local
181 kn = kernfs_find_and_get_ns(parent, old, old_ns); in sysfs_rename_link_ns()
182 if (!kn) in sysfs_rename_link_ns()
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| D | group.c | 110 struct kernfs_node *kn; in internal_create_group() local
124 kn = kernfs_create_dir(kobj->sd, grp->name, in internal_create_group()
126 if (IS_ERR(kn)) { in internal_create_group()
127 if (PTR_ERR(kn) == -EEXIST) in internal_create_group()
129 return PTR_ERR(kn); in internal_create_group()
132 kn = kobj->sd; in internal_create_group()
133 kernfs_get(kn); in internal_create_group()
134 error = create_files(kn, kobj, grp, update); in internal_create_group()
137 kernfs_remove(kn); in internal_create_group()
139 kernfs_put(kn); in internal_create_group()
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| D | sysfs.h | 40 int sysfs_create_link_sd(struct kernfs_node *kn, struct kobject *target,
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| D | mount.c | 74 sysfs_root_kn = sysfs_root->kn; in sysfs_init()
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| /linux-4.4.14/kernel/ |
| D | cgroup.c | 450 struct cgroup *cgrp = of->kn->parent->priv; in of_css()
1082 struct cgroup *root_cgrp = kf_root->kn->priv; in cgroup_root_from_kf()
1345 static void cgroup_kn_unlock(struct kernfs_node *kn) in cgroup_kn_unlock() argument
1349 if (kernfs_type(kn) == KERNFS_DIR) in cgroup_kn_unlock()
1350 cgrp = kn->priv; in cgroup_kn_unlock()
1352 cgrp = kn->parent->priv; in cgroup_kn_unlock()
1356 kernfs_unbreak_active_protection(kn); in cgroup_kn_unlock()
1375 static struct cgroup *cgroup_kn_lock_live(struct kernfs_node *kn) in cgroup_kn_lock_live() argument
1379 if (kernfs_type(kn) == KERNFS_DIR) in cgroup_kn_lock_live()
1380 cgrp = kn->priv; in cgroup_kn_lock_live()
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| D | cpuset.c | 1705 kernfs_break_active_protection(of->kn); in cpuset_write_resmask()
1733 kernfs_unbreak_active_protection(of->kn); in cpuset_write_resmask()
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| /linux-4.4.14/include/trace/events/ |
| D | writeback.h | 139 return kernfs_path_len(wb->memcg_css->cgroup->kn) + 1; in __trace_wb_cgroup_size()
147 path = cgroup_path(cgrp, buf, kernfs_path_len(cgrp->kn) + 1); in __trace_wb_assign_cgroup()
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| /linux-4.4.14/drivers/of/ |
| D | base.c | 118 struct kernfs_node *kn; in safe_name() local
122 while (i < 16 && (kn = sysfs_get_dirent(kobj->sd, name))) { in safe_name()
123 sysfs_put(kn); in safe_name()
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| /linux-4.4.14/Documentation/ja_JP/ |
| D | HOWTO | 29 岩本さん (iwamoto) <iwamoto.kn at ncos dot nec dot co dot jp>
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| /linux-4.4.14/net/mac802154/ |
| D | llsec.c | 51 struct ieee802154_llsec_key_entry *key, *kn; in mac802154_llsec_destroy() local
69 list_for_each_entry_safe(key, kn, &sec->table.keys, list) { in mac802154_llsec_destroy()
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| /linux-4.4.14/drivers/s390/block/ |
| D | dasd_eckd.c | 173 int dn, kn; in recs_per_track() local
185 kn = ceil_quot(kl + 6, 232) + 1; in recs_per_track()
186 return 1729 / (10 + 9 + ceil_quot(kl + 6 * kn, 34) + in recs_per_track()
193 kn = ceil_quot(kl + 6, 232) + 1; in recs_per_track()
194 return 1420 / (18 + 7 + ceil_quot(kl + 6 * kn, 34) + in recs_per_track()
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