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SubjectPATCH [4/5] fs/locks.c: use list_for_each_entry() instead of list_for_each()
fs/locks.c: use list_for_each_entry() instead of list_for_each() in
posix_locks_deadlock() and get_locks_status()

Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>

--

diff --git a/fs/locks.c b/fs/locks.c
index 431a8b8..d09c6bd 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -702,13 +702,12 @@ EXPORT_SYMBOL(posix_test_lock);
static int posix_locks_deadlock(struct file_lock *caller_fl,
struct file_lock *block_fl)
{
- struct list_head *tmp;
+ struct file_lock *fl;

next_task:
if (posix_same_owner(caller_fl, block_fl))
return 1;
- list_for_each(tmp, &blocked_list) {
- struct file_lock *fl = list_entry(tmp, struct file_lock, fl_link);
+ list_for_each_entry(fl, &blocked_list, fl_link) {
if (posix_same_owner(fl, block_fl)) {
fl = fl->fl_next;
block_fl = fl;
@@ -2159,24 +2158,22 @@ static void move_lock_status(char **p, off_t* pos, off_t offset)

int get_locks_status(char *buffer, char **start, off_t offset, int length)
{
- struct list_head *tmp;
+ struct file_lock *fl;
char *q = buffer;
off_t pos = 0;
int i = 0;

lock_kernel();
- list_for_each(tmp, &file_lock_list) {
- struct list_head *btmp;
- struct file_lock *fl = list_entry(tmp, struct file_lock, fl_link);
+ list_for_each_entry(fl, &file_lock_list, fl_link) {
+ struct file_lock *bfl;
+
lock_get_status(q, fl, ++i, "");
move_lock_status(&q, &pos, offset);

if(pos >= offset+length)
goto done;

- list_for_each(btmp, &fl->fl_block) {
- struct file_lock *bfl = list_entry(btmp,
- struct file_lock, fl_block);
+ list_for_each_entry(bfl, &fl->fl_block, fl_block) {
lock_get_status(q, bfl, i, " ->");
move_lock_status(&q, &pos, offset);

--
Matthias Kaehlcke
Linux Application Developer
Barcelona
I am incapable of conceiving infinity, and yet I do not accept finity
(Simone de Beauvoir)
.''`.
using free software / Debian GNU/Linux | http://debian.org : :' :
`. `'`
gpg --keyserver pgp.mit.edu --recv-keys 47D8E5D4 `-
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