refcount_create(&buf->b_refcnt);
cv_init(&buf->b_cv, NULL, CV_DEFAULT, NULL);
mutex_init(&buf->b_freeze_lock, NULL, MUTEX_DEFAULT, NULL);
+ list_link_init(&buf->b_arc_node);
+ list_link_init(&buf->b_l2node);
arc_space_consume(sizeof (arc_buf_hdr_t), ARC_SPACE_HDRS);
return (0);
ASSERT(type >= 0 && type < ARC_SPACE_NUMTYPES);
switch (type) {
+ default:
+ break;
case ARC_SPACE_DATA:
ARCSTAT_INCR(arcstat_data_size, space);
break;
ASSERT(type >= 0 && type < ARC_SPACE_NUMTYPES);
switch (type) {
+ default:
+ break;
case ARC_SPACE_DATA:
ARCSTAT_INCR(arcstat_data_size, -space);
break;
static void
arc_hdr_destroy(arc_buf_hdr_t *hdr)
{
+ l2arc_buf_hdr_t *l2hdr = hdr->b_l2hdr;
+
ASSERT(refcount_is_zero(&hdr->b_refcnt));
ASSERT3P(hdr->b_state, ==, arc_anon);
ASSERT(!HDR_IO_IN_PROGRESS(hdr));
- l2arc_buf_hdr_t *l2hdr = hdr->b_l2hdr;
if (l2hdr != NULL) {
boolean_t buflist_held = MUTEX_HELD(&l2arc_buflist_mtx);
mutex_exit(&state->arcs_mtx);
if (bytes_evicted < bytes)
- dprintf("only evicted %lld bytes from %x",
+ dprintf("only evicted %lld bytes from %x\n",
(longlong_t)bytes_evicted, state);
if (skipped)
if (mru_over > 0 && arc_mru_ghost->arcs_lsize[type] > 0) {
int64_t todelete =
MIN(arc_mru_ghost->arcs_lsize[type], mru_over);
- arc_evict_ghost(arc_mru_ghost, NULL, todelete);
+ arc_evict_ghost(arc_mru_ghost, 0, todelete);
} else if (arc_mfu_ghost->arcs_lsize[type] > 0) {
int64_t todelete = MIN(arc_mfu_ghost->arcs_lsize[type],
arc_mru_ghost->arcs_size +
arc_mfu_ghost->arcs_size - arc_c);
- arc_evict_ghost(arc_mfu_ghost, NULL, todelete);
+ arc_evict_ghost(arc_mfu_ghost, 0, todelete);
}
}
arc_evict_ghost(arc_state_t *state, uint64_t spa, int64_t bytes)
{
arc_buf_hdr_t *ab, *ab_prev;
- arc_buf_hdr_t marker = { 0 };
+ arc_buf_hdr_t marker;
list_t *list = &state->arcs_list[ARC_BUFC_DATA];
kmutex_t *hash_lock;
uint64_t bytes_deleted = 0;
uint64_t bufs_skipped = 0;
ASSERT(GHOST_STATE(state));
+ bzero(&marker, sizeof(marker));
top:
mutex_enter(&state->arcs_mtx);
for (ab = list_tail(list); ab; ab = ab_prev) {
}
if (bytes_deleted < bytes)
- dprintf("only deleted %lld bytes from %p",
+ dprintf("only deleted %lld bytes from %p\n",
(longlong_t)bytes_deleted, state);
}
if (adjustment > 0 && arc_mru->arcs_lsize[ARC_BUFC_DATA] > 0) {
delta = MIN(arc_mru->arcs_lsize[ARC_BUFC_DATA], adjustment);
- (void) arc_evict(arc_mru, NULL, delta, FALSE, ARC_BUFC_DATA);
+ (void) arc_evict(arc_mru, 0, delta, FALSE, ARC_BUFC_DATA);
adjustment -= delta;
}
if (adjustment > 0 && arc_mru->arcs_lsize[ARC_BUFC_METADATA] > 0) {
delta = MIN(arc_mru->arcs_lsize[ARC_BUFC_METADATA], adjustment);
- (void) arc_evict(arc_mru, NULL, delta, FALSE,
+ (void) arc_evict(arc_mru, 0, delta, FALSE,
ARC_BUFC_METADATA);
}
if (adjustment > 0 && arc_mfu->arcs_lsize[ARC_BUFC_DATA] > 0) {
delta = MIN(adjustment, arc_mfu->arcs_lsize[ARC_BUFC_DATA]);
- (void) arc_evict(arc_mfu, NULL, delta, FALSE, ARC_BUFC_DATA);
+ (void) arc_evict(arc_mfu, 0, delta, FALSE, ARC_BUFC_DATA);
adjustment -= delta;
}
if (adjustment > 0 && arc_mfu->arcs_lsize[ARC_BUFC_METADATA] > 0) {
int64_t delta = MIN(adjustment,
arc_mfu->arcs_lsize[ARC_BUFC_METADATA]);
- (void) arc_evict(arc_mfu, NULL, delta, FALSE,
+ (void) arc_evict(arc_mfu, 0, delta, FALSE,
ARC_BUFC_METADATA);
}
if (adjustment > 0 && arc_mru_ghost->arcs_size > 0) {
delta = MIN(arc_mru_ghost->arcs_size, adjustment);
- arc_evict_ghost(arc_mru_ghost, NULL, delta);
+ arc_evict_ghost(arc_mru_ghost, 0, delta);
}
adjustment =
if (adjustment > 0 && arc_mfu_ghost->arcs_size > 0) {
delta = MIN(arc_mfu_ghost->arcs_size, adjustment);
- arc_evict_ghost(arc_mfu_ghost, NULL, delta);
+ arc_evict_ghost(arc_mfu_ghost, 0, delta);
}
}
static int
arc_reclaim_needed(void)
{
- uint64_t extra;
-
#ifdef _KERNEL
+ uint64_t extra;
if (needfree)
return (1);
state = (arc_mru->arcs_lsize[type] >= size &&
mfu_space > arc_mfu->arcs_size) ? arc_mru : arc_mfu;
}
- if ((buf->b_data = arc_evict(state, NULL, size, TRUE, type)) == NULL) {
+ if ((buf->b_data = arc_evict(state, 0, size, TRUE, type)) == NULL) {
if (type == ARC_BUFC_METADATA) {
buf->b_data = zio_buf_alloc(size);
arc_space_consume(size, ARC_SPACE_DATA);
uint32_t *arc_flags, const zbookmark_t *zb)
{
arc_buf_hdr_t *hdr;
- arc_buf_t *buf;
+ arc_buf_t *buf = NULL;
kmutex_t *hash_lock;
zio_t *rzio;
uint64_t guid = spa_guid(spa);
uint64_t size = BP_GET_LSIZE(bp);
arc_callback_t *acb;
vdev_t *vd = NULL;
- uint64_t addr;
+ daddr_t addr = -1;
boolean_t devw = B_FALSE;
if (hdr == NULL) {
arc_buf_hdr_t *hdr;
kmutex_t *hash_lock = NULL;
l2arc_buf_hdr_t *l2hdr;
- uint64_t buf_size;
+ uint64_t buf_size = 0;
/*
* It would be nice to assert that if it's DMU metadata (level >
* in order to compress/encrypt/etc the data. We therefor need to
* make sure that there is sufficient available memory for this.
*/
- if (error = arc_memory_throttle(reserve, anon_size, txg))
+ if ((error = arc_memory_throttle(reserve, anon_size, txg)))
return (error);
/*
* Free buffers that were tagged for destruction.
*/
static void
-l2arc_do_free_on_write()
+l2arc_do_free_on_write(void)
{
list_t *buflist;
l2arc_data_free_t *df, *df_prev;
static list_t *
l2arc_list_locked(int list_num, kmutex_t **lock)
{
- list_t *list;
+ list_t *list = NULL;
ASSERT(list_num >= 0 && list_num <= 3);
list_t *list;
uint64_t passed_sz, write_sz, buf_sz, headroom;
void *buf_data;
- kmutex_t *hash_lock, *list_lock;
+ kmutex_t *hash_lock, *list_lock = NULL;
boolean_t have_lock, full;
l2arc_write_callback_t *cb;
zio_t *pio, *wzio;
uint64_t guid = spa_guid(spa);
+ int try;
ASSERT(dev->l2ad_vdev != NULL);
* Copy buffers for L2ARC writing.
*/
mutex_enter(&l2arc_buflist_mtx);
- for (int try = 0; try <= 3; try++) {
+ for (try = 0; try <= 3; try++) {
list = l2arc_list_locked(try, &list_lock);
passed_sz = 0;
adddev->l2ad_evict = adddev->l2ad_start;
adddev->l2ad_first = B_TRUE;
adddev->l2ad_writing = B_FALSE;
+ list_link_init(&adddev->l2ad_node);
ASSERT3U(adddev->l2ad_write, >, 0);
/*
git://git.camperquake.de / zfs.git / blobdiff