diff options
Diffstat (limited to 'fs/f2fs/super.c')
| -rw-r--r-- | fs/f2fs/super.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index dc66f1623e06..edc736de8ee9 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -94,6 +94,7 @@ enum { Opt_noextent_cache, Opt_noinline_data, Opt_data_flush, + Opt_mode, Opt_fault_injection, Opt_lazytime, Opt_nolazytime, @@ -123,6 +124,7 @@ static match_table_t f2fs_tokens = { {Opt_noextent_cache, "noextent_cache"}, {Opt_noinline_data, "noinline_data"}, {Opt_data_flush, "data_flush"}, + {Opt_mode, "mode=%s"}, {Opt_fault_injection, "fault_injection=%u"}, {Opt_lazytime, "lazytime"}, {Opt_nolazytime, "nolazytime"}, @@ -506,6 +508,25 @@ static int parse_options(struct super_block *sb, char *options) case Opt_data_flush: set_opt(sbi, DATA_FLUSH); break; + case Opt_mode: + name = match_strdup(&args[0]); + + if (!name) + return -ENOMEM; + if (strlen(name) == 8 && + !strncmp(name, "adaptive", 8)) { + set_opt(sbi, ADAPTIVE); + clear_opt(sbi, LFS); + } else if (strlen(name) == 3 && + !strncmp(name, "lfs", 3)) { + clear_opt(sbi, ADAPTIVE); + set_opt(sbi, LFS); + } else { + kfree(name); + return -EINVAL; + } + kfree(name); + break; case Opt_fault_injection: if (args->from && match_int(args, &arg)) return -EINVAL; @@ -870,6 +891,12 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root) seq_puts(seq, ",noextent_cache"); if (test_opt(sbi, DATA_FLUSH)) seq_puts(seq, ",data_flush"); + + seq_puts(seq, ",mode="); + if (test_opt(sbi, ADAPTIVE)) + seq_puts(seq, "adaptive"); + else if (test_opt(sbi, LFS)) + seq_puts(seq, "lfs"); seq_printf(seq, ",active_logs=%u", sbi->active_logs); return 0; @@ -953,6 +980,7 @@ static void default_options(struct f2fs_sb_info *sbi) set_opt(sbi, EXTENT_CACHE); sbi->sb->s_flags |= MS_LAZYTIME; set_opt(sbi, FLUSH_MERGE); + set_opt(sbi, ADAPTIVE); #ifdef CONFIG_F2FS_FS_XATTR set_opt(sbi, XATTR_USER); |
