diff options
Diffstat (limited to 'fs/f2fs/super.c')
| -rw-r--r-- | fs/f2fs/super.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index e16c4e2830c2..0638ae9816ac 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -181,6 +181,7 @@ enum { Opt_nat_bits, Opt_jqfmt, Opt_checkpoint, + Opt_lookup_mode, Opt_err, }; @@ -244,6 +245,13 @@ static const struct constant_table f2fs_param_errors[] = { {} }; +static const struct constant_table f2fs_param_lookup_mode[] = { + {"perf", LOOKUP_PERF}, + {"compat", LOOKUP_COMPAT}, + {"auto", LOOKUP_AUTO}, + {} +}; + static const struct fs_parameter_spec f2fs_param_specs[] = { fsparam_enum("background_gc", Opt_gc_background, f2fs_param_background_gc), fsparam_flag("disable_roll_forward", Opt_disable_roll_forward), @@ -300,6 +308,7 @@ static const struct fs_parameter_spec f2fs_param_specs[] = { fsparam_enum("memory", Opt_memory_mode, f2fs_param_memory_mode), fsparam_flag("age_extent_cache", Opt_age_extent_cache), fsparam_enum("errors", Opt_errors, f2fs_param_errors), + fsparam_enum("lookup_mode", Opt_lookup_mode, f2fs_param_lookup_mode), {} }; @@ -336,6 +345,7 @@ static match_table_t f2fs_checkpoint_tokens = { #define F2FS_SPEC_discard_unit (1 << 21) #define F2FS_SPEC_memory_mode (1 << 22) #define F2FS_SPEC_errors (1 << 23) +#define F2FS_SPEC_lookup_mode (1 << 24) struct f2fs_fs_context { struct f2fs_mount_info info; @@ -1143,6 +1153,10 @@ static int f2fs_parse_param(struct fs_context *fc, struct fs_parameter *param) case Opt_nat_bits: ctx_set_opt(ctx, F2FS_MOUNT_NAT_BITS); break; + case Opt_lookup_mode: + F2FS_CTX_INFO(ctx).lookup_mode = result.uint_32; + ctx->spec_mask |= F2FS_SPEC_lookup_mode; + break; } return 0; } @@ -1652,6 +1666,8 @@ static void f2fs_apply_options(struct fs_context *fc, struct super_block *sb) F2FS_OPTION(sbi).memory_mode = F2FS_CTX_INFO(ctx).memory_mode; if (ctx->spec_mask & F2FS_SPEC_errors) F2FS_OPTION(sbi).errors = F2FS_CTX_INFO(ctx).errors; + if (ctx->spec_mask & F2FS_SPEC_lookup_mode) + F2FS_OPTION(sbi).lookup_mode = F2FS_CTX_INFO(ctx).lookup_mode; f2fs_apply_compression(fc, sb); f2fs_apply_test_dummy_encryption(fc, sb); @@ -2416,6 +2432,13 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root) if (test_opt(sbi, NAT_BITS)) seq_puts(seq, ",nat_bits"); + if (F2FS_OPTION(sbi).lookup_mode == LOOKUP_PERF) + seq_show_option(seq, "lookup_mode", "perf"); + else if (F2FS_OPTION(sbi).lookup_mode == LOOKUP_COMPAT) + seq_show_option(seq, "lookup_mode", "compat"); + else if (F2FS_OPTION(sbi).lookup_mode == LOOKUP_AUTO) + seq_show_option(seq, "lookup_mode", "auto"); + return 0; } @@ -2480,6 +2503,8 @@ static void default_options(struct f2fs_sb_info *sbi, bool remount) #endif f2fs_build_fault_attr(sbi, 0, 0, FAULT_ALL); + + F2FS_OPTION(sbi).lookup_mode = LOOKUP_PERF; } #ifdef CONFIG_QUOTA |