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authorAmir Goldstein <amir73il@gmail.com>2018-04-21 01:10:54 +0200
committerJan Kara <jack@suse.cz>2018-05-18 14:58:22 +0200
commit837a393438475177889dc3161b7250ed48dce27a (patch)
tree4751320ac899799666dd4742973e3cf33bd32d08
parentfsnotify: generalize send_to_group() (diff)
downloadlinux-837a393438475177889dc3161b7250ed48dce27a.tar.xz
linux-837a393438475177889dc3161b7250ed48dce27a.zip
fanotify: generalize fanotify_should_send_event()
Use fsnotify_foreach_obj_type macros to generalize the code that filters events by marks mask and ignored_mask. This is going to be used for adding mark of super block object type. Signed-off-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Jan Kara <jack@suse.cz>
-rw-r--r--fs/notify/fanotify/fanotify.c36
1 files changed, 18 insertions, 18 deletions
diff --git a/fs/notify/fanotify/fanotify.c b/fs/notify/fanotify/fanotify.c
index f83650486052..f90842efea13 100644
--- a/fs/notify/fanotify/fanotify.c
+++ b/fs/notify/fanotify/fanotify.c
@@ -91,14 +91,13 @@ static bool fanotify_should_send_event(struct fsnotify_iter_info *iter_info,
u32 event_mask, const void *data,
int data_type)
{
- struct fsnotify_mark *inode_mark = fsnotify_iter_inode_mark(iter_info);
- struct fsnotify_mark *vfsmnt_mark = fsnotify_iter_vfsmount_mark(iter_info);
__u32 marks_mask = 0, marks_ignored_mask = 0;
const struct path *path = data;
+ struct fsnotify_mark *mark;
+ int type;
- pr_debug("%s: inode_mark=%p vfsmnt_mark=%p mask=%x data=%p"
- " data_type=%d\n", __func__, inode_mark, vfsmnt_mark,
- event_mask, data, data_type);
+ pr_debug("%s: report_mask=%x mask=%x data=%p data_type=%d\n",
+ __func__, iter_info->report_mask, event_mask, data, data_type);
/* if we don't have enough info to send an event to userspace say no */
if (data_type != FSNOTIFY_EVENT_PATH)
@@ -109,20 +108,21 @@ static bool fanotify_should_send_event(struct fsnotify_iter_info *iter_info,
!d_can_lookup(path->dentry))
return false;
- /*
- * if the event is for a child and this inode doesn't care about
- * events on the child, don't send it!
- */
- if (inode_mark &&
- (!(event_mask & FS_EVENT_ON_CHILD) ||
- (inode_mark->mask & FS_EVENT_ON_CHILD))) {
- marks_mask |= inode_mark->mask;
- marks_ignored_mask |= inode_mark->ignored_mask;
- }
+ fsnotify_foreach_obj_type(type) {
+ if (!fsnotify_iter_should_report_type(iter_info, type))
+ continue;
+ mark = iter_info->marks[type];
+ /*
+ * if the event is for a child and this inode doesn't care about
+ * events on the child, don't send it!
+ */
+ if (type == FSNOTIFY_OBJ_TYPE_INODE &&
+ (event_mask & FS_EVENT_ON_CHILD) &&
+ !(mark->mask & FS_EVENT_ON_CHILD))
+ continue;
- if (vfsmnt_mark) {
- marks_mask |= vfsmnt_mark->mask;
- marks_ignored_mask |= vfsmnt_mark->ignored_mask;
+ marks_mask |= mark->mask;
+ marks_ignored_mask |= mark->ignored_mask;
}
if (d_is_dir(path->dentry) &&