diff options
Diffstat (limited to 'fs/f2fs/super.c')
-rw-r--r-- | fs/f2fs/super.c | 68 |
1 files changed, 42 insertions, 26 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index af9f449da64b..b4a07fe62d1a 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -146,6 +146,8 @@ enum { Opt_compress_algorithm, Opt_compress_log_size, Opt_compress_extension, + Opt_compress_chksum, + Opt_compress_mode, Opt_atgc, Opt_err, }; @@ -214,6 +216,8 @@ static match_table_t f2fs_tokens = { {Opt_compress_algorithm, "compress_algorithm=%s"}, {Opt_compress_log_size, "compress_log_size=%u"}, {Opt_compress_extension, "compress_extension=%s"}, + {Opt_compress_chksum, "compress_chksum"}, + {Opt_compress_mode, "compress_mode=%s"}, {Opt_atgc, "atgc"}, {Opt_err, NULL}, }; @@ -934,10 +938,29 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount) F2FS_OPTION(sbi).compress_ext_cnt++; kfree(name); break; + case Opt_compress_chksum: + F2FS_OPTION(sbi).compress_chksum = true; + break; + case Opt_compress_mode: + name = match_strdup(&args[0]); + if (!name) + return -ENOMEM; + if (!strcmp(name, "fs")) { + F2FS_OPTION(sbi).compress_mode = COMPR_MODE_FS; + } else if (!strcmp(name, "user")) { + F2FS_OPTION(sbi).compress_mode = COMPR_MODE_USER; + } else { + kfree(name); + return -EINVAL; + } + kfree(name); + break; #else case Opt_compress_algorithm: case Opt_compress_log_size: case Opt_compress_extension: + case Opt_compress_chksum: + case Opt_compress_mode: f2fs_info(sbi, "compression options not supported"); break; #endif @@ -1523,6 +1546,14 @@ static inline void f2fs_show_compress_options(struct seq_file *seq, seq_printf(seq, ",compress_extension=%s", F2FS_OPTION(sbi).extensions[i]); } + + if (F2FS_OPTION(sbi).compress_chksum) + seq_puts(seq, ",compress_chksum"); + + if (F2FS_OPTION(sbi).compress_mode == COMPR_MODE_FS) + seq_printf(seq, ",compress_mode=%s", "fs"); + else if (F2FS_OPTION(sbi).compress_mode == COMPR_MODE_USER) + seq_printf(seq, ",compress_mode=%s", "user"); } static int f2fs_show_options(struct seq_file *seq, struct dentry *root) @@ -1672,6 +1703,7 @@ static void default_options(struct f2fs_sb_info *sbi) F2FS_OPTION(sbi).compress_algorithm = COMPRESS_LZ4; F2FS_OPTION(sbi).compress_log_size = MIN_COMPRESS_LOG_SIZE; F2FS_OPTION(sbi).compress_ext_cnt = 0; + F2FS_OPTION(sbi).compress_mode = COMPR_MODE_FS; F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_ON; sbi->sb->s_flags &= ~SB_INLINECRYPT; @@ -1904,7 +1936,6 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data) if (*flags & SB_RDONLY || F2FS_OPTION(sbi).whint_mode != org_mount_opt.whint_mode) { - writeback_inodes_sb(sb, WB_REASON_SYNC); sync_inodes_sb(sb); set_sbi_flag(sbi, SBI_IS_DIRTY); @@ -2744,7 +2775,6 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi, block_t total_sections, blocks_per_seg; struct f2fs_super_block *raw_super = (struct f2fs_super_block *) (bh->b_data + F2FS_SUPER_OFFSET); - unsigned int blocksize; size_t crc_offset = 0; __u32 crc = 0; @@ -2770,18 +2800,11 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi, } } - /* Currently, support only 4KB page cache size */ - if (F2FS_BLKSIZE != PAGE_SIZE) { - f2fs_info(sbi, "Invalid page_cache_size (%lu), supports only 4KB", - PAGE_SIZE); - return -EFSCORRUPTED; - } - /* Currently, support only 4KB block size */ - blocksize = 1 << le32_to_cpu(raw_super->log_blocksize); - if (blocksize != F2FS_BLKSIZE) { - f2fs_info(sbi, "Invalid blocksize (%u), supports only 4KB", - blocksize); + if (le32_to_cpu(raw_super->log_blocksize) != F2FS_BLKSIZE_BITS) { + f2fs_info(sbi, "Invalid log_blocksize (%u), supports only %u", + le32_to_cpu(raw_super->log_blocksize), + F2FS_BLKSIZE_BITS); return -EFSCORRUPTED; } @@ -3071,9 +3094,9 @@ static void init_sb_info(struct f2fs_sb_info *sbi) sbi->total_node_count = (le32_to_cpu(raw_super->segment_count_nat) / 2) * sbi->blocks_per_seg * NAT_ENTRY_PER_BLOCK; - sbi->root_ino_num = le32_to_cpu(raw_super->root_ino); - sbi->node_ino_num = le32_to_cpu(raw_super->node_ino); - sbi->meta_ino_num = le32_to_cpu(raw_super->meta_ino); + F2FS_ROOT_INO(sbi) = le32_to_cpu(raw_super->root_ino); + F2FS_NODE_INO(sbi) = le32_to_cpu(raw_super->node_ino); + F2FS_META_INO(sbi) = le32_to_cpu(raw_super->meta_ino); sbi->cur_victim_sec = NULL_SECNO; sbi->next_victim_seg[BG_GC] = NULL_SEGNO; sbi->next_victim_seg[FG_GC] = NULL_SEGNO; @@ -3399,12 +3422,6 @@ static int f2fs_setup_casefold(struct f2fs_sb_info *sbi) struct unicode_map *encoding; __u16 encoding_flags; - if (f2fs_sb_has_encrypt(sbi)) { - f2fs_err(sbi, - "Can't mount with encoding and encryption"); - return -EINVAL; - } - if (f2fs_sb_read_encoding(sbi->raw_super, &encoding_info, &encoding_flags)) { f2fs_err(sbi, @@ -3427,7 +3444,6 @@ static int f2fs_setup_casefold(struct f2fs_sb_info *sbi) sbi->sb->s_encoding = encoding; sbi->sb->s_encoding_flags = encoding_flags; - sbi->sb->s_d_op = &f2fs_dentry_ops; } #else if (f2fs_sb_has_casefold(sbi)) { @@ -3559,7 +3575,7 @@ try_onemore: sbi->valid_super_block = valid_super_block; init_rwsem(&sbi->gc_lock); mutex_init(&sbi->writepages); - mutex_init(&sbi->cp_mutex); + init_rwsem(&sbi->cp_global_sem); init_rwsem(&sbi->node_write); init_rwsem(&sbi->node_change); @@ -3700,8 +3716,7 @@ try_onemore: } /* For write statistics */ - sbi->sectors_written_start = - (u64)part_stat_read(sb->s_bdev, sectors[STAT_WRITE]); + sbi->sectors_written_start = f2fs_get_sectors_written(sbi); /* Read accumulated write IO statistics if exists */ seg_i = CURSEG_I(sbi, CURSEG_HOT_NODE); @@ -3916,6 +3931,7 @@ free_bio_info: #ifdef CONFIG_UNICODE utf8_unload(sb->s_encoding); + sb->s_encoding = NULL; #endif free_options: #ifdef CONFIG_QUOTA |