diff options
| author | Yangtao Li <frank.li@vivo.com> | 2022-11-10 17:15:01 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2022-11-11 09:48:25 -0800 |
| commit | 967eaad1fed5f6335ea97a47d45214744dc57925 (patch) | |
| tree | 26edbf3adce2e1a8f87c53e62acf3986aca380bb /fs/f2fs | |
| parent | 92b4cf5b48955a4bdd15fe4e2067db8ebd87f04c (diff) | |
| download | linux-967eaad1fed5f6335ea97a47d45214744dc57925.tar.bz2 | |
f2fs: fix to set flush_merge opt and show noflush_merge
Some minor modifications to flush_merge and related parameters:
1.The FLUSH_MERGE opt is set by default only in non-ro mode.
2.When ro and merge are set at the same time, an error is reported.
3.Display noflush_merge mount opt.
Suggested-by: Chao Yu <chao@kernel.org>
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/super.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 8f4fc3ad6765..75027ff85cd9 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -1353,6 +1353,12 @@ default_check: return -EINVAL; } + if ((f2fs_sb_has_readonly(sbi) || f2fs_readonly(sbi->sb)) && + test_opt(sbi, FLUSH_MERGE)) { + f2fs_err(sbi, "FLUSH_MERGE not compatible with readonly mode"); + return -EINVAL; + } + if (f2fs_sb_has_readonly(sbi) && !f2fs_readonly(sbi->sb)) { f2fs_err(sbi, "Allow to mount readonly mode only"); return -EROFS; @@ -1941,8 +1947,10 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root) seq_puts(seq, ",inline_dentry"); else seq_puts(seq, ",noinline_dentry"); - if (!f2fs_readonly(sbi->sb) && test_opt(sbi, FLUSH_MERGE)) + if (test_opt(sbi, FLUSH_MERGE)) seq_puts(seq, ",flush_merge"); + else + seq_puts(seq, ",noflush_merge"); if (test_opt(sbi, NOBARRIER)) seq_puts(seq, ",nobarrier"); else @@ -2073,7 +2081,8 @@ static void default_options(struct f2fs_sb_info *sbi) set_opt(sbi, MERGE_CHECKPOINT); F2FS_OPTION(sbi).unusable_cap = 0; sbi->sb->s_flags |= SB_LAZYTIME; - set_opt(sbi, FLUSH_MERGE); + if (!f2fs_sb_has_readonly(sbi) && !f2fs_readonly(sbi->sb)) + set_opt(sbi, FLUSH_MERGE); if (f2fs_hw_support_discard(sbi) || f2fs_hw_should_discard(sbi)) set_opt(sbi, DISCARD); if (f2fs_sb_has_blkzoned(sbi)) { |