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-rw-r--r--fs/f2fs/segment.c41
1 files changed, 23 insertions, 18 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index a86d125..09af9c7 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -117,7 +117,6 @@ static void locate_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno)
}
mutex_unlock(&dirty_i->seglist_lock);
- return;
}
/*
@@ -261,7 +260,6 @@ static void __add_sum_entry(struct f2fs_sb_info *sbi, int type,
void *addr = curseg->sum_blk;
addr += curseg->next_blkoff * sizeof(struct f2fs_summary);
memcpy(addr, sum, sizeof(struct f2fs_summary));
- return;
}
/*
@@ -542,12 +540,9 @@ static void allocate_segment_by_default(struct f2fs_sb_info *sbi,
{
struct curseg_info *curseg = CURSEG_I(sbi, type);
- if (force) {
+ if (force)
new_curseg(sbi, type, true);
- goto out;
- }
-
- if (type == CURSEG_WARM_NODE)
+ else if (type == CURSEG_WARM_NODE)
new_curseg(sbi, type, false);
else if (curseg->alloc_type == LFS && is_next_segment_free(sbi, type))
new_curseg(sbi, type, false);
@@ -555,11 +550,9 @@ static void allocate_segment_by_default(struct f2fs_sb_info *sbi,
change_curseg(sbi, type, true);
else
new_curseg(sbi, type, false);
-out:
#ifdef CONFIG_F2FS_STAT_FS
sbi->segment_count[curseg->alloc_type]++;
#endif
- return;
}
void allocate_new_segments(struct f2fs_sb_info *sbi)
@@ -611,18 +604,12 @@ static void f2fs_end_io_write(struct bio *bio, int err)
struct bio *f2fs_bio_alloc(struct block_device *bdev, int npages)
{
struct bio *bio;
- struct bio_private *priv;
-retry:
- priv = kmalloc(sizeof(struct bio_private), GFP_NOFS);
- if (!priv) {
- cond_resched();
- goto retry;
- }
/* No failure on bio allocation */
bio = bio_alloc(GFP_NOIO, npages);
bio->bi_bdev = bdev;
- bio->bi_private = priv;
+ bio->bi_private = NULL;
+
return bio;
}
@@ -681,8 +668,17 @@ static void submit_write_page(struct f2fs_sb_info *sbi, struct page *page,
do_submit_bio(sbi, type, false);
alloc_new:
if (sbi->bio[type] == NULL) {
+ struct bio_private *priv;
+retry:
+ priv = kmalloc(sizeof(struct bio_private), GFP_NOFS);
+ if (!priv) {
+ cond_resched();
+ goto retry;
+ }
+
sbi->bio[type] = f2fs_bio_alloc(bdev, max_hw_blocks(sbi));
sbi->bio[type]->bi_sector = SECTOR_FROM_BLOCK(sbi, blk_addr);
+ sbi->bio[type]->bi_private = priv;
/*
* The end_io will be assigned at the sumbission phase.
* Until then, let bio_add_page() merge consecutive IOs as much
@@ -702,6 +698,16 @@ alloc_new:
trace_f2fs_submit_write_page(page, blk_addr, type);
}
+void f2fs_wait_on_page_writeback(struct page *page,
+ enum page_type type, bool sync)
+{
+ struct f2fs_sb_info *sbi = F2FS_SB(page->mapping->host->i_sb);
+ if (PageWriteback(page)) {
+ f2fs_submit_bio(sbi, type, sync);
+ wait_on_page_writeback(page);
+ }
+}
+
static bool __has_curseg_space(struct f2fs_sb_info *sbi, int type)
{
struct curseg_info *curseg = CURSEG_I(sbi, type);
@@ -1179,7 +1185,6 @@ void write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk)
{
if (is_set_ckpt_flags(F2FS_CKPT(sbi), CP_UMOUNT_FLAG))
write_normal_summaries(sbi, start_blk, CURSEG_HOT_NODE);
- return;
}
int lookup_journal_in_cursum(struct f2fs_summary_block *sum, int type,
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