aa_label_find_merge

Name:aa_label_find_merge - find label that is equiv to merge of @a and @b*@a: label to merge with @b (NOT NULL)*@b: label to merge with @a (NOT NULL)* Requires: labels be fully constructed with a valid ns* Returns: ref counted label that is equiv to merge of

Proto:struct aa_label *aa_label_find_merge(struct aa_label *a, struct aa_label *b)

Type:struct aa_label

Parameter:

Type	Parameter	Name
struct aa_label *	a
struct aa_label *	b

1156

struct aa_label * label, * ar = NULL, * br = NULL

1159

1160

1162

If label_is_stale(a) Then a = ar = aa_get_newest_label - find the newest version of @l*@l: the label to check for newer versions of* Returns: refcounted newest version of @l taking into account* replacement, renames and removals* return @l.

1164

If label_is_stale(b) Then b = br = aa_get_newest_label - find the newest version of @l*@l: the label to check for newer versions of* Returns: refcounted newest version of @l taking into account* replacement, renames and removals* return @l.

1166

ls = labelset_of_merge - find which labelset a merged label should be inserted*@a: label to merge and insert*@b: label to merge and insert* Returns: labelset that the merged label should be inserted into

1167

read_lock_irqsave( & lock, flags)

1168

label = __label_find_merge - find label that is equiv to merge of @a and @b*@ls: set of labels to search (NOT NULL)*@a: label to merge with @b (NOT NULL)*@b: label to merge with @a (NOT NULL)* Requires: ls->lock read_lock held* Returns: ref counted label that is

1169

read_unlock_irqrestore( & lock, flags)

1170

aa_put_label(ar)

1171

aa_put_label(br)

1173

Return label

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