textsearch: support for case insensitive searching
The function textsearch_prepare has a new flag to support case
insensitive searching.
Signed-off-by: Joonwoo Park <joonwpark81@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/textsearch.h b/include/linux/textsearch.h
index 6f371f2..6c34cf2 100644
--- a/include/linux/textsearch.h
+++ b/include/linux/textsearch.h
@@ -10,10 +10,8 @@
struct ts_config;
-/**
- * TS_AUTOLOAD - Automatically load textsearch modules when needed
- */
-#define TS_AUTOLOAD 1
+#define TS_AUTOLOAD 1 /* Automatically load textsearch modules when needed */
+#define TS_IGNORECASE 2 /* Searches string case insensitively */
/**
* struct ts_state - search state
@@ -39,7 +37,7 @@
struct ts_ops
{
const char *name;
- struct ts_config * (*init)(const void *, unsigned int, gfp_t);
+ struct ts_config * (*init)(const void *, unsigned int, gfp_t, int);
unsigned int (*find)(struct ts_config *,
struct ts_state *);
void (*destroy)(struct ts_config *);
@@ -52,12 +50,14 @@
/**
* struct ts_config - search configuration
* @ops: operations of chosen algorithm
+ * @flags: flags
* @get_next_block: callback to fetch the next block to search in
* @finish: callback to finalize a search
*/
struct ts_config
{
struct ts_ops *ops;
+ int flags;
/**
* get_next_block - fetch next block of data