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f2fs: enable flush_merge only in f2fs is not read-only

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Enable flush_merge only in f2fs is not read-only, so does the mount
option show.

Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Gu Zheng 2014-04-11 17:49:55 +08:00 committed by Jaegeuk Kim
parent 197d46476c
commit b270ad6f0a
2 changed files with 3 additions and 4 deletions
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3
fs/f2fs/segment.c
View File

@ -1859,10 +1859,9 @@ 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))

4
fs/f2fs/super.c
View File

@ -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);