Changeset 3712434 in mainline for uspace/lib/ext4/libext4_superblock.c


Ignore:
Timestamp:
2011-10-05T12:48:33Z (14 years ago)
Author:
Frantisek Princ <frantisek.princ@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
9b9d37bb
Parents:
3711e7e
Message:

Added more getters on basic ext4 structures

File:
1 edited

Legend:

Unmodified
Added
Removed

  • uspace/lib/ext4/libext4_superblock.c

    r3711e7e r3712434  
    4242#include "libext4.h"
    4343
    44 /**
    45  * TODO doxy
    46  */
     44uint32_t ext4_superblock_get_inodes_count(ext4_superblock_t *sb)
     45{
     46        return uint32_t_le2host(sb->inodes_count);
     47}
     48
     49uint64_t ext4_superblock_get_blocks_count(ext4_superblock_t *sb)
     50{
     51        return ((uint64_t)uint32_t_le2host(sb->blocks_count_hi) << 32) |
     52                        uint32_t_le2host(sb->blocks_count_lo);
     53}
     54
     55uint64_t ext4_superblock_get_reserved_blocks_count(ext4_superblock_t *sb)
     56{
     57        return ((uint64_t)uint32_t_le2host(sb->reserved_blocks_count_hi) << 32) |
     58                        uint32_t_le2host(sb->reserved_blocks_count_lo);
     59}
     60
     61uint64_t ext4_superblock_get_free_blocks_count(ext4_superblock_t *sb)
     62{
     63        return ((uint64_t)uint32_t_le2host(sb->free_blocks_count_hi) << 32) |
     64                        uint32_t_le2host(sb->free_blocks_count_lo);
     65}
     66
     67uint32_t ext4_superblock_get_free_inodes_count(ext4_superblock_t *sb)
     68{
     69        return uint32_t_le2host(sb->free_inodes_count);
     70}
     71
     72uint32_t ext4_superblock_get_first_data_block(ext4_superblock_t *sb)
     73{
     74        return uint32_t_le2host(sb->first_data_block);
     75}
     76
     77uint32_t ext4_superblock_get_log_block_size(ext4_superblock_t *sb)
     78{
     79        return uint32_t_le2host(sb->log_block_size);
     80}
     81
     82uint32_t ext4_superblock_get_block_size(ext4_superblock_t *sb)
     83{
     84        return 1024 << ext4_superblock_get_log_block_size(sb);
     85}
     86
     87
     88uint32_t ext4_superblock_get_blocks_per_group(ext4_superblock_t *sb)
     89{
     90        return uint32_t_le2host(sb->blocks_per_group);
     91}
     92
     93uint32_t ext4_superblock_get_inodes_per_group(ext4_superblock_t *sb)
     94{
     95        return uint32_t_le2host(sb->inodes_per_group);
     96}
     97
     98uint32_t ext4_superblock_get_mount_time(ext4_superblock_t *sb)
     99{
     100        return uint32_t_le2host(sb->mount_time);
     101}
     102
     103uint32_t ext4_superblock_get_write_time(ext4_superblock_t *sb)
     104{
     105        return uint32_t_le2host(sb->write_time);
     106}
     107
     108uint16_t ext4_superblock_get_mount_count(ext4_superblock_t *sb)
     109{
     110        return uint16_t_le2host(sb->mount_count);
     111}
     112
     113uint16_t ext4_superblock_get_max_mount_count(ext4_superblock_t *sb)
     114{
     115        return uint16_t_le2host(sb->max_mount_count);
     116}
     117
    47118uint16_t ext4_superblock_get_magic(ext4_superblock_t *sb)
    48119{
    … …  
    50121}
    51122
    52 /**
    53  * TODO doxy
    54  */
    55 uint32_t ext4_superblock_get_first_block(ext4_superblock_t *sb)
    56 {
    57         return uint32_t_le2host(sb->first_data_block);
    58 }
    59 
    60 /**
    61  * TODO doxy
    62  */
    63 uint32_t ext4_superblock_get_block_size_log2(ext4_superblock_t *sb)
    64 {
    65         return uint32_t_le2host(sb->log_block_size);
    66 }
    67 
    68 /**
    69  * TODO doxy
    70  */
    71 uint32_t ext4_superblock_get_block_size(ext4_superblock_t *sb)
    72 {
    73         return 1024 << ext4_superblock_get_block_size_log2(sb);
    74 }
    75 
    76 /**
    77  * TODO doxy
    78  */
     123uint16_t ext4_superblock_get_state(ext4_superblock_t *sb)
     124{
     125        return uint16_t_le2host(sb->state);
     126}
     127
     128uint16_t ext4_superblock_get_errors(ext4_superblock_t *sb)
     129{
     130        return uint16_t_le2host(sb->errors);
     131}
     132
     133
     134uint16_t ext4_superblock_get_minor_rev_level(ext4_superblock_t *sb)
     135{
     136        return uint16_t_le2host(sb->minor_rev_level);
     137}
     138
     139uint32_t ext4_superblock_get_last_check_time(ext4_superblock_t *sb)
     140{
     141        return uint32_t_le2host(sb->last_check_time);
     142}
     143
     144uint32_t ext4_superblock_get_check_interval(ext4_superblock_t *sb){
     145        return uint32_t_le2host(sb->check_interval);
     146}
     147
     148uint32_t ext4_superblock_get_creator_os(ext4_superblock_t *sb)
     149{
     150        return uint32_t_le2host(sb->creator_os);
     151}
     152
    79153uint32_t ext4_superblock_get_rev_level(ext4_superblock_t *sb)
    80154{
    … …  
    82156}
    83157
    84 /**
    85  * TODO doxy
    86  */
    87158uint16_t ext4_superblock_get_inode_size(ext4_superblock_t *sb)
    88159{
    … …  
    93164}
    94165
    95 /**
    96  * TODO doxy
     166uint16_t ext4_superblock_get_block_group_number(ext4_superblock_t *sb)
     167{
     168        return uint16_t_le2host(sb->block_group_number);
     169}
     170
     171uint32_t ext4_superblock_get_features_compatible(ext4_superblock_t *sb)
     172{
     173        return uint32_t_le2host(sb->features_compatible);
     174}
     175
     176uint32_t ext4_superblock_get_features_incompatible(ext4_superblock_t *sb)
     177{
     178        return uint32_t_le2host(sb->features_incompatible);
     179}
     180
     181uint32_t ext4_superblock_get_features_read_only(ext4_superblock_t *sb)
     182{
     183        return uint32_t_le2host(sb->features_read_only);
     184}
     185
     186
     187/*
     188 * More complex superblock functions
    97189 */
    98 uint32_t ext4_superblock_get_inodes_per_group(ext4_superblock_t *sb)
    99 {
    100         return uint32_t_le2host(sb->inodes_per_group);
    101 }
    102 
    103 /**
    104  * TODO doxy
    105  */
    106 uint32_t ext4_superblock_get_features_compatible(ext4_superblock_t *sb)
    107 {
    108         return uint32_t_le2host(sb->features_compatible);
    109 }
    110 
    111 /**
    112  * TODO doxy
    113  */
    114 uint32_t ext4_superblock_get_features_incompatible(ext4_superblock_t *sb)
    115 {
    116         return uint32_t_le2host(sb->features_incompatible);
    117 }
    118 
    119 /**
    120  * TODO doxy
    121  */
    122 uint32_t ext4_superblock_get_features_read_only(ext4_superblock_t *sb)
    123 {
    124         return uint32_t_le2host(sb->features_read_only);
    125 }
    126 
    127 
    128 /**
    129  * TODO doxy
    130  */
     190
    131191int ext4_superblock_read_direct(service_id_t service_id,
    132192    ext4_superblock_t **superblock)
    … …  
    153213}
    154214
    155 /**
    156  * TODO doxy
    157  */
    158215int ext4_superblock_check_sanity(ext4_superblock_t *sb)
    159216{
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