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TOMOYO: Add description of lists and structures.

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This patch adds some descriptions of lists and structures.
This patch contains no code changes.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Tetsuo Handa
2009-06-08 12:37:39 +09:00
committed by James Morris
parent 5bf1692f65
commit c3fa109a58
6 changed files with 504 additions and 34 deletions
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19
security/tomoyo/realpath.c
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@@ -265,7 +265,16 @@ static unsigned int tomoyo_quota_for_savename;
*/
#define TOMOYO_MAX_HASH 256
/* Structure for string data. */
/*
* tomoyo_name_entry is a structure which is used for linking
* "struct tomoyo_path_info" into tomoyo_name_list .
*
* Since tomoyo_name_list manages a list of strings which are shared by
* multiple processes (whereas "struct tomoyo_path_info" inside
* "struct tomoyo_path_info_with_data" is not shared), a reference counter will
* be added to "struct tomoyo_name_entry" rather than "struct tomoyo_path_info"
* when TOMOYO starts supporting garbage collector.
*/
struct tomoyo_name_entry {
struct list_head list;
struct tomoyo_path_info entry;
@@ -279,10 +288,10 @@ struct tomoyo_free_memory_block_list {
};
/*
* The list for "struct tomoyo_name_entry".
*
* This list is updated only inside tomoyo_save_name(), thus
* no global mutex exists.
* tomoyo_name_list is used for holding string data used by TOMOYO.
* Since same string data is likely used for multiple times (e.g.
* "/lib/libc-2.5.so"), TOMOYO shares string data in the form of
* "const struct tomoyo_path_info *".
*/
static struct list_head tomoyo_name_list[TOMOYO_MAX_HASH];