Enable flush_merge only in f2fs is not read-only, so does the mount
option show.
Signed-off-by: Gu Zheng <guz.fnst@xxxxxxxxxxxxxx>
---
fs/f2fs/segment.c | 3 +--
fs/f2fs/super.c | 4 ++--
2 files changed, 3 insertions(+), 4 deletions(-)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index ff8f987..6672570 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1858,10 +1858,9 @@ int build_segment_manager(struct f2fs_sb_info *sbi)
sm_info->nr_discards = 0;
sm_info->max_discards = 0;
- if (test_opt(sbi, FLUSH_MERGE)) {
+ if (test_opt(sbi, FLUSH_MERGE) && !f2fs_readonly(sbi->sb)) {
spin_lock_init(&sm_info->issue_lock);
init_waitqueue_head(&sm_info->flush_wait_queue);
-
sm_info->f2fs_issue_flush = kthread_run(issue_flush_thread, sbi,
"f2fs_flush-%u:%u", MAJOR(dev), MINOR(dev));
if (IS_ERR(sm_info->f2fs_issue_flush))
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index c756923..5e20d2a 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -514,7 +514,7 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
{
struct f2fs_sb_info *sbi = F2FS_SB(root->d_sb);
- if (!(root->d_sb->s_flags & MS_RDONLY) && test_opt(sbi, BG_GC))
+ if (!f2fs_readonly(sbi->sb) && test_opt(sbi, BG_GC))
seq_printf(seq, ",background_gc=%s", "on");
else
seq_printf(seq, ",background_gc=%s", "off");
@@ -542,7 +542,7 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
seq_puts(seq, ",disable_ext_identify");
if (test_opt(sbi, INLINE_DATA))
seq_puts(seq, ",inline_data");
- if (test_opt(sbi, FLUSH_MERGE))
+ if (!f2fs_readonly(sbi->sb) && test_opt(sbi, FLUSH_MERGE))
seq_puts(seq, ",flush_merge");
seq_printf(seq, ",active_logs=%u", sbi->active_logs);
--
1.7.7
--
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