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9pfs: Convert reclaim list to QSLIST

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Use QSLIST instead of open-coding for a slightly improved readability.

No behavioral change.

Reviewed-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Message-Id: <20210122143514.215780-1-groug@kaod.org>
Signed-off-by: Greg Kurz <groug@kaod.org>
This commit is contained in:
Greg Kurz 2021-01-22 15:35:14 +01:00
parent 20b7f45b22
commit 81f9766b7a
2 changed files with 9 additions and 10 deletions
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17
hw/9pfs/9p.c
View File

@ -416,7 +416,9 @@ void coroutine_fn v9fs_reclaim_fd(V9fsPDU *pdu)
{
int reclaim_count = 0;
V9fsState *s = pdu->s;
V9fsFidState *f, *reclaim_list = NULL;
V9fsFidState *f;
QSLIST_HEAD(, V9fsFidState) reclaim_list =
QSLIST_HEAD_INITIALIZER(reclaim_list);
QSIMPLEQ_FOREACH(f, &s->fid_list, next) {
/*
@ -448,8 +450,7 @@ void coroutine_fn v9fs_reclaim_fd(V9fsPDU *pdu)
* a clunk request won't free this fid
*/
f->ref++;
f->rclm_lst = reclaim_list;
reclaim_list = f;
QSLIST_INSERT_HEAD(&reclaim_list, f, reclaim_next);
f->fs_reclaim.fd = f->fs.fd;
f->fs.fd = -1;
reclaim_count++;
@ -461,8 +462,7 @@ void coroutine_fn v9fs_reclaim_fd(V9fsPDU *pdu)
* a clunk request won't free this fid
*/
f->ref++;
f->rclm_lst = reclaim_list;
reclaim_list = f;
QSLIST_INSERT_HEAD(&reclaim_list, f, reclaim_next);
f->fs_reclaim.dir.stream = f->fs.dir.stream;
f->fs.dir.stream = NULL;
reclaim_count++;
@ -476,15 +476,14 @@ void coroutine_fn v9fs_reclaim_fd(V9fsPDU *pdu)
* Now close the fid in reclaim list. Free them if they
* are already clunked.
*/
while (reclaim_list) {
f = reclaim_list;
reclaim_list = f->rclm_lst;
while (!QSLIST_EMPTY(&reclaim_list)) {
f = QSLIST_FIRST(&reclaim_list);
QSLIST_REMOVE(&reclaim_list, f, V9fsFidState, reclaim_next);
if (f->fid_type == P9_FID_FILE) {
v9fs_co_close(pdu, &f->fs_reclaim);
} else if (f->fid_type == P9_FID_DIR) {
v9fs_co_closedir(pdu, &f->fs_reclaim);
}
f->rclm_lst = NULL;
/*
* Now drop the fid reference, free it
* if clunked.

2
hw/9pfs/9p.h
View File

@ -281,7 +281,7 @@ struct V9fsFidState {
int ref;
bool clunked;
QSIMPLEQ_ENTRY(V9fsFidState) next;
V9fsFidState *rclm_lst;
QSLIST_ENTRY(V9fsFidState) reclaim_next;
};
typedef enum AffixType_t {