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autofs/SOURCES/autofs-5.1.6-remove-unused-...

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autofs-5.1.6 - remove unused function tree_get_mnt_list()
From: Ian Kent <raven@themaw.net>
Remove the now unused function tree_get_mnt_list() and friends.
Signed-off-by: Ian Kent <raven@themaw.net>
---
CHANGELOG | 1
include/mounts.h | 17 ---
lib/mounts.c | 299 -------------------------------------------------------
3 files changed, 1 insertion(+), 316 deletions(-)
--- autofs-5.1.4.orig/CHANGELOG
+++ autofs-5.1.4/CHANGELOG
@@ -130,6 +130,7 @@ xx/xx/2018 autofs-5.1.5
- fix stale offset directories disable mount.
- use struct mnt_list to track mounted mounts.
- use struct mnt_list mounted list for expire.
+- remove unused function tree_get_mnt_list().
19/12/2017 autofs-5.1.4
- fix spec file url.
--- autofs-5.1.4.orig/include/mounts.h
+++ autofs-5.1.4/include/mounts.h
@@ -83,20 +83,8 @@ struct mnt_list {
* List operations ie. get_mnt_list.
*/
struct mnt_list *next;
-
- /*
- * Tree operations ie. tree_make_tree,
- * tree_get_mnt_list etc.
- */
- struct mnt_list *left;
- struct mnt_list *right;
- struct list_head self;
- struct list_head list;
- struct list_head entries;
- struct list_head sublist;
};
-
struct nfs_mount_vers {
unsigned int major;
unsigned int minor;
@@ -143,11 +131,6 @@ void mnts_set_mounted_mount(struct autof
int unlink_mount_tree(struct autofs_point *ap, const char *mp);
void free_mnt_list(struct mnt_list *list);
int is_mounted(const char *mp, unsigned int type);
-void tree_free_mnt_tree(struct mnt_list *tree);
-struct mnt_list *tree_make_mnt_tree(const char *path);
-int tree_get_mnt_list(struct mnt_list *mnts, struct list_head *list, const char *path, int include);
-int tree_get_mnt_sublist(struct mnt_list *mnts, struct list_head *list, const char *path, int include);
-int tree_find_mnt_ents(struct mnt_list *mnts, struct list_head *list, const char *path);
void set_tsd_user_vars(unsigned int, uid_t, gid_t);
const char *mount_type_str(unsigned int);
void set_exp_timeout(struct autofs_point *ap, struct map_source *source, time_t timeout);
--- autofs-5.1.4.orig/lib/mounts.c
+++ autofs-5.1.4/lib/mounts.c
@@ -1685,305 +1685,6 @@ int is_mounted(const char *mp, unsigned
return table_is_mounted(mp, type);
}
-/*
- * Since we have to look at the entire mount tree for direct
- * mounts (all mounts under "/") and we may have a large number
- * of entries to traverse again and again we need to
- * use a more efficient method than the routines above.
- *
- * Thre tree_... routines allow us to read the mount tree
- * once and pass it to subsequent functions for use. Since
- * it's a tree structure searching should be a low overhead
- * operation.
- */
-void tree_free_mnt_tree(struct mnt_list *tree)
-{
- struct list_head *head, *p;
-
- if (!tree)
- return;
-
- tree_free_mnt_tree(tree->left);
- tree_free_mnt_tree(tree->right);
-
- head = &tree->self;
- p = head->next;
- while (p != head) {
- struct mnt_list *this;
-
- this = list_entry(p, struct mnt_list, self);
-
- p = p->next;
-
- list_del(&this->self);
-
- free(this->mp);
-
- free(this);
- }
-
- free(tree->mp);
- free(tree);
-}
-
-/*
- * Make tree of system mounts in /proc/mounts.
- */
-struct mnt_list *tree_make_mnt_tree(const char *path)
-{
- FILE *tab;
- struct mntent mnt_wrk;
- char buf[PATH_MAX * 3];
- struct mntent *mnt;
- struct mnt_list *ent, *mptr;
- struct mnt_list *tree = NULL;
- size_t plen;
- int eq;
-
- tab = open_fopen_r(_PROC_MOUNTS);
- if (!tab) {
- char *estr = strerror_r(errno, buf, PATH_MAX - 1);
- logerr("fopen: %s", estr);
- return NULL;
- }
-
- plen = strlen(path);
-
- while ((mnt = local_getmntent_r(tab, &mnt_wrk, buf, PATH_MAX * 3))) {
- size_t len = strlen(mnt->mnt_dir);
-
- /* Not matching path */
- if (strncmp(mnt->mnt_dir, path, plen))
- continue;
-
- /* Not a subdirectory of requested path */
- if (plen > 1 && len > plen && mnt->mnt_dir[plen] != '/')
- continue;
-
- ent = malloc(sizeof(*ent));
- if (!ent) {
- endmntent(tab);
- tree_free_mnt_tree(tree);
- return NULL;
- }
- memset(ent, 0, sizeof(*ent));
-
- INIT_LIST_HEAD(&ent->self);
- INIT_LIST_HEAD(&ent->list);
- INIT_LIST_HEAD(&ent->entries);
- INIT_LIST_HEAD(&ent->sublist);
-
- ent->mp = malloc(len + 1);
- if (!ent->mp) {
- endmntent(tab);
- free(ent);
- tree_free_mnt_tree(tree);
- return NULL;
- }
- strcpy(ent->mp, mnt->mnt_dir);
-
- if (!strcmp(mnt->mnt_type, "autofs"))
- ent->flags |= MNTS_AUTOFS;
-
- if (ent->flags & MNTS_AUTOFS) {
- if (strstr(mnt->mnt_opts, "indirect"))
- ent->flags |= MNTS_INDIRECT;
- else if (strstr(mnt->mnt_opts, "direct"))
- ent->flags |= MNTS_DIRECT;
- else if (strstr(mnt->mnt_opts, "offset"))
- ent->flags |= MNTS_OFFSET;
- }
-
- mptr = tree;
- while (mptr) {
- int elen = strlen(ent->mp);
- int mlen = strlen(mptr->mp);
-
- if (elen < mlen) {
- if (mptr->left) {
- mptr = mptr->left;
- continue;
- } else {
- mptr->left = ent;
- break;
- }
- } else if (elen > mlen) {
- if (mptr->right) {
- mptr = mptr->right;
- continue;
- } else {
- mptr->right = ent;
- break;
- }
- }
-
- eq = strcmp(ent->mp, mptr->mp);
- if (eq < 0) {
- if (mptr->left)
- mptr = mptr->left;
- else {
- mptr->left = ent;
- break;
- }
- } else if (eq > 0) {
- if (mptr->right)
- mptr = mptr->right;
- else {
- mptr->right = ent;
- break;
- }
- } else {
- list_add_tail(&ent->self, &mptr->self);
- break;
- }
- }
-
- if (!tree)
- tree = ent;
- }
- fclose(tab);
-
- return tree;
-}
-
-/*
- * Get list of mounts under "path" in longest->shortest order
- */
-int tree_get_mnt_list(struct mnt_list *mnts, struct list_head *list, const char *path, int include)
-{
- size_t mlen, plen;
-
- if (!mnts)
- return 0;
-
- plen = strlen(path);
- mlen = strlen(mnts->mp);
- if (mlen < plen)
- return tree_get_mnt_list(mnts->right, list, path, include);
- else {
- struct list_head *self, *p;
-
- tree_get_mnt_list(mnts->left, list, path, include);
-
- if ((!include && mlen <= plen) ||
- strncmp(mnts->mp, path, plen))
- goto skip;
-
- if (plen > 1 && mlen > plen && mnts->mp[plen] != '/')
- goto skip;
-
- INIT_LIST_HEAD(&mnts->list);
- list_add(&mnts->list, list);
-
- self = &mnts->self;
- list_for_each(p, self) {
- struct mnt_list *this;
-
- this = list_entry(p, struct mnt_list, self);
- INIT_LIST_HEAD(&this->list);
- list_add(&this->list, list);
- }
-skip:
- tree_get_mnt_list(mnts->right, list, path, include);
- }
-
- if (list_empty(list))
- return 0;
-
- return 1;
-}
-
-/*
- * Get list of mounts under "path" in longest->shortest order
- */
-int tree_get_mnt_sublist(struct mnt_list *mnts, struct list_head *list, const char *path, int include)
-{
- size_t mlen, plen;
-
- if (!mnts)
- return 0;
-
- plen = strlen(path);
- mlen = strlen(mnts->mp);
- if (mlen < plen)
- return tree_get_mnt_sublist(mnts->right, list, path, include);
- else {
- struct list_head *self, *p;
-
- tree_get_mnt_sublist(mnts->left, list, path, include);
-
- if ((!include && mlen <= plen) ||
- strncmp(mnts->mp, path, plen))
- goto skip;
-
- if (plen > 1 && mlen > plen && mnts->mp[plen] != '/')
- goto skip;
-
- INIT_LIST_HEAD(&mnts->sublist);
- list_add(&mnts->sublist, list);
-
- self = &mnts->self;
- list_for_each(p, self) {
- struct mnt_list *this;
-
- this = list_entry(p, struct mnt_list, self);
- INIT_LIST_HEAD(&this->sublist);
- list_add(&this->sublist, list);
- }
-skip:
- tree_get_mnt_sublist(mnts->right, list, path, include);
- }
-
- if (list_empty(list))
- return 0;
-
- return 1;
-}
-
-int tree_find_mnt_ents(struct mnt_list *mnts, struct list_head *list, const char *path)
-{
- int mlen, plen;
-
- if (!mnts)
- return 0;
-
- plen = strlen(path);
- mlen = strlen(mnts->mp);
- if (mlen < plen)
- return tree_find_mnt_ents(mnts->right, list, path);
- else if (mlen > plen)
- return tree_find_mnt_ents(mnts->left, list, path);
- else {
- struct list_head *self, *p;
-
- tree_find_mnt_ents(mnts->left, list, path);
-
- if (!strcmp(mnts->mp, path)) {
- INIT_LIST_HEAD(&mnts->entries);
- list_add(&mnts->entries, list);
- }
-
- self = &mnts->self;
- list_for_each(p, self) {
- struct mnt_list *this;
-
- this = list_entry(p, struct mnt_list, self);
-
- if (!strcmp(this->mp, path)) {
- INIT_LIST_HEAD(&this->entries);
- list_add(&this->entries, list);
- }
- }
-
- tree_find_mnt_ents(mnts->right, list, path);
-
- if (!list_empty(list))
- return 1;
- }
-
- return 0;
-}
-
void set_tsd_user_vars(unsigned int logopt, uid_t uid, gid_t gid)
{
struct thread_stdenv_vars *tsv;
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