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Diffstat (limited to 'fs/f2fs/segment.c')
-rw-r--r--fs/f2fs/segment.c38
1 files changed, 16 insertions, 22 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index d04613df710a..0dfeebae2a50 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -239,6 +239,12 @@ int f2fs_issue_flush(struct f2fs_sb_info *sbi)
struct flush_cmd_control *fcc = SM_I(sbi)->cmd_control_info;
struct flush_cmd cmd;
+ trace_f2fs_issue_flush(sbi->sb, test_opt(sbi, NOBARRIER),
+ test_opt(sbi, FLUSH_MERGE));
+
+ if (test_opt(sbi, NOBARRIER))
+ return 0;
+
if (!test_opt(sbi, FLUSH_MERGE))
return blkdev_issue_flush(sbi->sb->s_bdev, GFP_KERNEL, NULL);
@@ -272,13 +278,13 @@ int create_flush_cmd_control(struct f2fs_sb_info *sbi)
return -ENOMEM;
spin_lock_init(&fcc->issue_lock);
init_waitqueue_head(&fcc->flush_wait_queue);
- sbi->sm_info->cmd_control_info = fcc;
+ SM_I(sbi)->cmd_control_info = fcc;
fcc->f2fs_issue_flush = kthread_run(issue_flush_thread, sbi,
"f2fs_flush-%u:%u", MAJOR(dev), MINOR(dev));
if (IS_ERR(fcc->f2fs_issue_flush)) {
err = PTR_ERR(fcc->f2fs_issue_flush);
kfree(fcc);
- sbi->sm_info->cmd_control_info = NULL;
+ SM_I(sbi)->cmd_control_info = NULL;
return err;
}
@@ -287,13 +293,12 @@ int create_flush_cmd_control(struct f2fs_sb_info *sbi)
void destroy_flush_cmd_control(struct f2fs_sb_info *sbi)
{
- struct flush_cmd_control *fcc =
- sbi->sm_info->cmd_control_info;
+ struct flush_cmd_control *fcc = SM_I(sbi)->cmd_control_info;
if (fcc && fcc->f2fs_issue_flush)
kthread_stop(fcc->f2fs_issue_flush);
kfree(fcc);
- sbi->sm_info->cmd_control_info = NULL;
+ SM_I(sbi)->cmd_control_info = NULL;
}
static void __locate_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno,
@@ -377,11 +382,8 @@ static int f2fs_issue_discard(struct f2fs_sb_info *sbi,
return blkdev_issue_discard(sbi->sb->s_bdev, start, len, GFP_NOFS, 0);
}
-void discard_next_dnode(struct f2fs_sb_info *sbi)
+void discard_next_dnode(struct f2fs_sb_info *sbi, block_t blkaddr)
{
- struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_WARM_NODE);
- block_t blkaddr = NEXT_FREE_BLKADDR(sbi, curseg);
-
if (f2fs_issue_discard(sbi, blkaddr, 1)) {
struct page *page = grab_meta_page(sbi, blkaddr);
/* zero-filled page */
@@ -437,17 +439,12 @@ static void add_discard_addrs(struct f2fs_sb_info *sbi,
static void set_prefree_as_free_segments(struct f2fs_sb_info *sbi)
{
struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
- unsigned int segno = -1;
+ unsigned int segno;
unsigned int total_segs = TOTAL_SEGS(sbi);
mutex_lock(&dirty_i->seglist_lock);
- while (1) {
- segno = find_next_bit(dirty_i->dirty_segmap[PRE], total_segs,
- segno + 1);
- if (segno >= total_segs)
- break;
+ for_each_set_bit(segno, dirty_i->dirty_segmap[PRE], total_segs)
__set_test_and_free(sbi, segno);
- }
mutex_unlock(&dirty_i->seglist_lock);
}
@@ -974,14 +971,12 @@ void allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
{
struct sit_info *sit_i = SIT_I(sbi);
struct curseg_info *curseg;
- unsigned int old_cursegno;
curseg = CURSEG_I(sbi, type);
mutex_lock(&curseg->curseg_mutex);
*new_blkaddr = NEXT_FREE_BLKADDR(sbi, curseg);
- old_cursegno = curseg->segno;
/*
* __add_sum_entry should be resided under the curseg_mutex
@@ -1002,7 +997,6 @@ void allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
* since SSR needs latest valid block information.
*/
refresh_sit_entry(sbi, old_blkaddr, *new_blkaddr);
- locate_dirty_segment(sbi, old_cursegno);
mutex_unlock(&sit_i->sentry_lock);
@@ -1532,7 +1526,7 @@ void flush_sit_entries(struct f2fs_sb_info *sbi)
struct page *page = NULL;
struct f2fs_sit_block *raw_sit = NULL;
unsigned int start = 0, end = 0;
- unsigned int segno = -1;
+ unsigned int segno;
bool flushed;
mutex_lock(&curseg->curseg_mutex);
@@ -1544,7 +1538,7 @@ void flush_sit_entries(struct f2fs_sb_info *sbi)
*/
flushed = flush_sits_in_journal(sbi);
- while ((segno = find_next_bit(bitmap, nsegs, segno + 1)) < nsegs) {
+ for_each_set_bit(segno, bitmap, nsegs) {
struct seg_entry *se = get_seg_entry(sbi, segno);
int sit_offset, offset;
@@ -1703,7 +1697,7 @@ static int build_curseg(struct f2fs_sb_info *sbi)
struct curseg_info *array;
int i;
- array = kzalloc(sizeof(*array) * NR_CURSEG_TYPE, GFP_KERNEL);
+ array = kcalloc(NR_CURSEG_TYPE, sizeof(*array), GFP_KERNEL);
if (!array)
return -ENOMEM;