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Diffstat (limited to 'fs/notify/inode_mark.c')
-rw-r--r--fs/notify/inode_mark.c19
1 files changed, 8 insertions, 11 deletions
diff --git a/fs/notify/inode_mark.c b/fs/notify/inode_mark.c
index f31e90fc050d..74825be65b7b 100644
--- a/fs/notify/inode_mark.c
+++ b/fs/notify/inode_mark.c
@@ -36,12 +36,11 @@
36static void fsnotify_recalc_inode_mask_locked(struct inode *inode) 36static void fsnotify_recalc_inode_mask_locked(struct inode *inode)
37{ 37{
38 struct fsnotify_mark *mark; 38 struct fsnotify_mark *mark;
39 struct hlist_node *pos;
40 __u32 new_mask = 0; 39 __u32 new_mask = 0;
41 40
42 assert_spin_locked(&inode->i_lock); 41 assert_spin_locked(&inode->i_lock);
43 42
44 hlist_for_each_entry(mark, pos, &inode->i_fsnotify_marks, i.i_list) 43 hlist_for_each_entry(mark, &inode->i_fsnotify_marks, i.i_list)
45 new_mask |= mark->mask; 44 new_mask |= mark->mask;
46 inode->i_fsnotify_mask = new_mask; 45 inode->i_fsnotify_mask = new_mask;
47} 46}
@@ -87,11 +86,11 @@ void fsnotify_destroy_inode_mark(struct fsnotify_mark *mark)
87void fsnotify_clear_marks_by_inode(struct inode *inode) 86void fsnotify_clear_marks_by_inode(struct inode *inode)
88{ 87{
89 struct fsnotify_mark *mark, *lmark; 88 struct fsnotify_mark *mark, *lmark;
90 struct hlist_node *pos, *n; 89 struct hlist_node *n;
91 LIST_HEAD(free_list); 90 LIST_HEAD(free_list);
92 91
93 spin_lock(&inode->i_lock); 92 spin_lock(&inode->i_lock);
94 hlist_for_each_entry_safe(mark, pos, n, &inode->i_fsnotify_marks, i.i_list) { 93 hlist_for_each_entry_safe(mark, n, &inode->i_fsnotify_marks, i.i_list) {
95 list_add(&mark->i.free_i_list, &free_list); 94 list_add(&mark->i.free_i_list, &free_list);
96 hlist_del_init_rcu(&mark->i.i_list); 95 hlist_del_init_rcu(&mark->i.i_list);
97 fsnotify_get_mark(mark); 96 fsnotify_get_mark(mark);
@@ -129,11 +128,10 @@ static struct fsnotify_mark *fsnotify_find_inode_mark_locked(
129 struct inode *inode) 128 struct inode *inode)
130{ 129{
131 struct fsnotify_mark *mark; 130 struct fsnotify_mark *mark;
132 struct hlist_node *pos;
133 131
134 assert_spin_locked(&inode->i_lock); 132 assert_spin_locked(&inode->i_lock);
135 133
136 hlist_for_each_entry(mark, pos, &inode->i_fsnotify_marks, i.i_list) { 134 hlist_for_each_entry(mark, &inode->i_fsnotify_marks, i.i_list) {
137 if (mark->group == group) { 135 if (mark->group == group) {
138 fsnotify_get_mark(mark); 136 fsnotify_get_mark(mark);
139 return mark; 137 return mark;
@@ -194,8 +192,7 @@ int fsnotify_add_inode_mark(struct fsnotify_mark *mark,
194 struct fsnotify_group *group, struct inode *inode, 192 struct fsnotify_group *group, struct inode *inode,
195 int allow_dups) 193 int allow_dups)
196{ 194{
197 struct fsnotify_mark *lmark; 195 struct fsnotify_mark *lmark, *last = NULL;
198 struct hlist_node *node, *last = NULL;
199 int ret = 0; 196 int ret = 0;
200 197
201 mark->flags |= FSNOTIFY_MARK_FLAG_INODE; 198 mark->flags |= FSNOTIFY_MARK_FLAG_INODE;
@@ -214,8 +211,8 @@ int fsnotify_add_inode_mark(struct fsnotify_mark *mark,
214 } 211 }
215 212
216 /* should mark be in the middle of the current list? */ 213 /* should mark be in the middle of the current list? */
217 hlist_for_each_entry(lmark, node, &inode->i_fsnotify_marks, i.i_list) { 214 hlist_for_each_entry(lmark, &inode->i_fsnotify_marks, i.i_list) {
218 last = node; 215 last = lmark;
219 216
220 if ((lmark->group == group) && !allow_dups) { 217 if ((lmark->group == group) && !allow_dups) {
221 ret = -EEXIST; 218 ret = -EEXIST;
@@ -235,7 +232,7 @@ int fsnotify_add_inode_mark(struct fsnotify_mark *mark,
235 232
236 BUG_ON(last == NULL); 233 BUG_ON(last == NULL);
237 /* mark should be the last entry. last is the current last entry */ 234 /* mark should be the last entry. last is the current last entry */
238 hlist_add_after_rcu(last, &mark->i.i_list); 235 hlist_add_after_rcu(&last->i.i_list, &mark->i.i_list);
239out: 236out:
240 fsnotify_recalc_inode_mask_locked(inode); 237 fsnotify_recalc_inode_mask_locked(inode);
241 spin_unlock(&inode->i_lock); 238 spin_unlock(&inode->i_lock);