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Diffstat (limited to 'fs/f2fs/segment.c')
-rw-r--r--fs/f2fs/segment.c73
1 files changed, 61 insertions, 12 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 2e6f537a0e7d..a46296f57b02 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -241,7 +241,7 @@ void drop_inmem_pages(struct inode *inode)
{
struct f2fs_inode_info *fi = F2FS_I(inode);
- clear_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE);
+ clear_inode_flag(inode, FI_ATOMIC_FILE);
mutex_lock(&fi->inmem_lock);
__revoke_inmem_pages(inode, &fi->inmem_pages, true, false);
@@ -257,7 +257,8 @@ static int __commit_inmem_pages(struct inode *inode,
struct f2fs_io_info fio = {
.sbi = sbi,
.type = DATA,
- .rw = WRITE_SYNC | REQ_PRIO,
+ .op = REQ_OP_WRITE,
+ .op_flags = WRITE_SYNC | REQ_PRIO,
.encrypted_page = NULL,
};
bool submit_bio = false;
@@ -345,6 +346,11 @@ void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need)
{
if (!need)
return;
+
+ /* balance_fs_bg is able to be pending */
+ if (excess_cached_nats(sbi))
+ f2fs_balance_fs_bg(sbi);
+
/*
* We should do GC or end up with checkpoint, if there are so many dirty
* dir/node pages without enough free segments.
@@ -366,7 +372,9 @@ void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi)
try_to_free_nats(sbi, NAT_ENTRY_PER_BLOCK);
if (!available_free_memory(sbi, FREE_NIDS))
- try_to_free_nids(sbi, NAT_ENTRY_PER_BLOCK * FREE_NID_PAGES);
+ try_to_free_nids(sbi, MAX_FREE_NIDS);
+ else
+ build_free_nids(sbi);
/* checkpoint is the only way to shrink partial cached entries */
if (!available_free_memory(sbi, NAT_ENTRIES) ||
@@ -406,7 +414,8 @@ repeat:
fcc->dispatch_list = llist_reverse_order(fcc->dispatch_list);
bio->bi_bdev = sbi->sb->s_bdev;
- ret = submit_bio_wait(WRITE_FLUSH, bio);
+ bio_set_op_attrs(bio, REQ_OP_WRITE, WRITE_FLUSH);
+ ret = submit_bio_wait(bio);
llist_for_each_entry_safe(cmd, next,
fcc->dispatch_list, llnode) {
@@ -433,24 +442,29 @@ int f2fs_issue_flush(struct f2fs_sb_info *sbi)
if (test_opt(sbi, NOBARRIER))
return 0;
- if (!test_opt(sbi, FLUSH_MERGE)) {
+ if (!test_opt(sbi, FLUSH_MERGE) || !atomic_read(&fcc->submit_flush)) {
struct bio *bio = f2fs_bio_alloc(0);
int ret;
+ atomic_inc(&fcc->submit_flush);
bio->bi_bdev = sbi->sb->s_bdev;
- ret = submit_bio_wait(WRITE_FLUSH, bio);
+ bio_set_op_attrs(bio, REQ_OP_WRITE, WRITE_FLUSH);
+ ret = submit_bio_wait(bio);
+ atomic_dec(&fcc->submit_flush);
bio_put(bio);
return ret;
}
init_completion(&cmd.wait);
+ atomic_inc(&fcc->submit_flush);
llist_add(&cmd.llnode, &fcc->issue_list);
if (!fcc->dispatch_list)
wake_up(&fcc->flush_wait_queue);
wait_for_completion(&cmd.wait);
+ atomic_dec(&fcc->submit_flush);
return cmd.ret;
}
@@ -464,6 +478,7 @@ int create_flush_cmd_control(struct f2fs_sb_info *sbi)
fcc = kzalloc(sizeof(struct flush_cmd_control), GFP_KERNEL);
if (!fcc)
return -ENOMEM;
+ atomic_set(&fcc->submit_flush, 0);
init_waitqueue_head(&fcc->flush_wait_queue);
init_llist_head(&fcc->issue_list);
SM_I(sbi)->cmd_control_info = fcc;
@@ -665,6 +680,10 @@ static void add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc)
break;
end = __find_rev_next_zero_bit(dmap, max_blocks, start + 1);
+ if (force && start && end != max_blocks
+ && (end - start) < cpc->trim_minlen)
+ continue;
+
__add_discard_entry(sbi, cpc, se, start, end);
}
}
@@ -702,6 +721,8 @@ void clear_prefree_segments(struct f2fs_sb_info *sbi, struct cp_control *cpc)
struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
unsigned long *prefree_map = dirty_i->dirty_segmap[PRE];
unsigned int start = 0, end = -1;
+ unsigned int secno, start_segno;
+ bool force = (cpc->reason == CP_DISCARD);
mutex_lock(&dirty_i->seglist_lock);
@@ -718,17 +739,31 @@ void clear_prefree_segments(struct f2fs_sb_info *sbi, struct cp_control *cpc)
dirty_i->nr_dirty[PRE] -= end - start;
- if (!test_opt(sbi, DISCARD))
+ if (force || !test_opt(sbi, DISCARD))
continue;
- f2fs_issue_discard(sbi, START_BLOCK(sbi, start),
+ if (!test_opt(sbi, LFS) || sbi->segs_per_sec == 1) {
+ f2fs_issue_discard(sbi, START_BLOCK(sbi, start),
(end - start) << sbi->log_blocks_per_seg);
+ continue;
+ }
+next:
+ secno = GET_SECNO(sbi, start);
+ start_segno = secno * sbi->segs_per_sec;
+ if (!IS_CURSEC(sbi, secno) &&
+ !get_valid_blocks(sbi, start, sbi->segs_per_sec))
+ f2fs_issue_discard(sbi, START_BLOCK(sbi, start_segno),
+ sbi->segs_per_sec << sbi->log_blocks_per_seg);
+
+ start = start_segno + sbi->segs_per_sec;
+ if (start < end)
+ goto next;
}
mutex_unlock(&dirty_i->seglist_lock);
/* send small discards */
list_for_each_entry_safe(entry, this, head, list) {
- if (cpc->reason == CP_DISCARD && entry->len < cpc->trim_minlen)
+ if (force && entry->len < cpc->trim_minlen)
goto skip;
f2fs_issue_discard(sbi, entry->blkaddr, entry->len);
cpc->trimmed += entry->len;
@@ -1216,6 +1251,9 @@ void allocate_new_segments(struct f2fs_sb_info *sbi)
{
int i;
+ if (test_opt(sbi, LFS))
+ return;
+
for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_DATA; i++)
__allocate_new_segments(sbi, i);
}
@@ -1389,11 +1427,17 @@ static void do_write_page(struct f2fs_summary *sum, struct f2fs_io_info *fio)
{
int type = __get_segment_type(fio->page, fio->type);
+ if (fio->type == NODE || fio->type == DATA)
+ mutex_lock(&fio->sbi->wio_mutex[fio->type]);
+
allocate_data_block(fio->sbi, fio->page, fio->old_blkaddr,
&fio->new_blkaddr, sum, type);
/* writeout dirty page into bdev */
f2fs_submit_page_mbio(fio);
+
+ if (fio->type == NODE || fio->type == DATA)
+ mutex_unlock(&fio->sbi->wio_mutex[fio->type]);
}
void write_meta_page(struct f2fs_sb_info *sbi, struct page *page)
@@ -1401,7 +1445,8 @@ void write_meta_page(struct f2fs_sb_info *sbi, struct page *page)
struct f2fs_io_info fio = {
.sbi = sbi,
.type = META,
- .rw = WRITE_SYNC | REQ_META | REQ_PRIO,
+ .op = REQ_OP_WRITE,
+ .op_flags = WRITE_SYNC | REQ_META | REQ_PRIO,
.old_blkaddr = page->index,
.new_blkaddr = page->index,
.page = page,
@@ -1409,7 +1454,7 @@ void write_meta_page(struct f2fs_sb_info *sbi, struct page *page)
};
if (unlikely(page->index >= MAIN_BLKADDR(sbi)))
- fio.rw &= ~REQ_META;
+ fio.op_flags &= ~REQ_META;
set_page_writeback(page);
f2fs_submit_page_mbio(&fio);
@@ -2373,7 +2418,11 @@ int build_segment_manager(struct f2fs_sb_info *sbi)
sm_info->ssa_blkaddr = le32_to_cpu(raw_super->ssa_blkaddr);
sm_info->rec_prefree_segments = sm_info->main_segments *
DEF_RECLAIM_PREFREE_SEGMENTS / 100;
- sm_info->ipu_policy = 1 << F2FS_IPU_FSYNC;
+ if (sm_info->rec_prefree_segments > DEF_MAX_RECLAIM_PREFREE_SEGMENTS)
+ sm_info->rec_prefree_segments = DEF_MAX_RECLAIM_PREFREE_SEGMENTS;
+
+ if (!test_opt(sbi, LFS))
+ sm_info->ipu_policy = 1 << F2FS_IPU_FSYNC;
sm_info->min_ipu_util = DEF_MIN_IPU_UTIL;
sm_info->min_fsync_blocks = DEF_MIN_FSYNC_BLOCKS;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 20:44:51 +0100