Changeset c25e39b in mainline


Ignore:
Timestamp:
2011-10-31T15:21:09Z (13 years ago)
Author:
Frantisek Princ <frantisek.princ@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
a9a0982
Parents:
c83a55c
Message:

bugfix, TODO resolving

Location:
uspace
Files:
12 edited

Legend:

Unmodified
Added
Removed

  • uspace/lib/ext4/libext4_block_group.c

    rc83a55c rc25e39b  
    3333/**
    3434 * @file        libext4_block_group.c
    35  * @brief       TODO
     35 * @brief       Ext4 block group structure operations
    3636 */
    3737

  • uspace/lib/ext4/libext4_block_group.h

    rc83a55c rc25e39b  
    5151        uint16_t itable_unused_lo; // Unused inodes count
    5252        uint16_t checksum; // crc16(sb_uuid+group+desc)
     53        /* -------------- */
    5354        uint32_t block_bitmap_hi; // Blocks bitmap block MSB
    5455        uint32_t inode_bitmap_hi; // Inodes bitmap block MSB
    … …  
    6667} ext4_block_group_ref_t;
    6768
    68 // TODO check value
    69 #define EXT4_BLOCK_GROUP_DESCRIPTOR_SIZE 32
     69#define EXT4_BLOCK_MIN_GROUP_DESCRIPTOR_SIZE 32
    7070
    7171extern uint64_t ext4_block_group_get_block_bitmap(ext4_block_group_t *);

  • uspace/lib/ext4/libext4_directory.c

    rc83a55c rc25e39b  
    3333/**
    3434 * @file        libext4_directory.c
    35  * @brief       TODO
     35 * @brief       Ext4 directory structure operations.
    3636 */
    3737

  • uspace/lib/ext4/libext4_directory_index.c

    rc83a55c rc25e39b  
    3333/**
    3434 * @file        libext4_directory_index.c
    35  * @brief       TODO
     35 * @brief       Ext4 directory index operations.
    3636 */
    3737

  • uspace/lib/ext4/libext4_extent.c

    rc83a55c rc25e39b  
    3333/**
    3434 * @file        libext4_extent.c
    35  * @brief       TODO
     35 * @brief       Ext4 extent structures operations.
    3636 */
    3737

  • uspace/lib/ext4/libext4_filesystem.c

    rc83a55c rc25e39b  
    127127}
    128128
    129 // Feature checkers
    130 bool ext4_filesystem_has_feature_compatible(ext4_filesystem_t *fs, uint32_t feature)
    131 {
    132         ext4_superblock_t *sb = fs->superblock;
    133 
    134         if (ext4_superblock_get_features_compatible(sb) & feature) {
    135                 return true;
    136         }
    137         return false;
    138 }
    139 
    140 bool ext4_filesystem_has_feature_incompatible(ext4_filesystem_t *fs, uint32_t feature)
    141 {
    142         ext4_superblock_t *sb = fs->superblock;
    143 
    144         if (ext4_superblock_get_features_incompatible(sb) & feature) {
    145                 return true;
    146         }
    147         return false;
    148 }
    149 
    150 bool ext4_filesystem_has_feature_read_only(ext4_filesystem_t *fs, uint32_t feature)
    151 {
    152         ext4_superblock_t *sb = fs->superblock;
    153 
    154         if (ext4_superblock_get_features_read_only(sb) & feature) {
    155                 return true;
    156         }
    157         return false;
    158 }
    159 
    160 
    161129int ext4_filesystem_get_block_group_ref(ext4_filesystem_t *fs, uint32_t bgid,
    162130    ext4_block_group_ref_t **ref)
    … …  
    173141        }
    174142
     143        //EXT4FS_DBG("desc size = \%u", (uint32_t)ext4_superblock_get_desc_size(fs->superblock));
     144
    175145        descriptors_per_block = ext4_superblock_get_block_size(fs->superblock)
    176             / EXT4_BLOCK_GROUP_DESCRIPTOR_SIZE;
     146            / ext4_superblock_get_desc_size(fs->superblock);
    177147
    178148        /* Block group descriptor table starts at the next block after superblock */
    … …  
    181151        /* Find the block containing the descriptor we are looking for */
    182152        block_id += bgid / descriptors_per_block;
    183         offset = (bgid % descriptors_per_block) * EXT4_BLOCK_GROUP_DESCRIPTOR_SIZE;
     153        offset = (bgid % descriptors_per_block) * ext4_superblock_get_desc_size(fs->superblock);
    184154
    185155        rc = block_get(&newref->block, fs->device, block_id, 0);
    … …  
    302272
    303273        /* Handle inode using extents */
    304         // TODO check "extents" feature in superblock ???
    305         if (ext4_inode_has_flag(inode, EXT4_INODE_FLAG_EXTENTS)) {
     274        if (ext4_superblock_has_feature_compatible(fs->superblock, EXT4_FEATURE_INCOMPAT_EXTENTS) &&
     275                        ext4_inode_has_flag(inode, EXT4_INODE_FLAG_EXTENTS)) {
    306276                current_block = ext4_inode_get_extent_block(inode, iblock, fs->device);
    307277                *fblock = current_block;

  • uspace/lib/ext4/libext4_filesystem.h

    rc83a55c rc25e39b  
    4747#define EXT4_REV0_INODE_SIZE    128
    4848
    49 /* Compatible features */
    50 // TODO features comments !!!
    51 #define EXT4_FEATURE_COMPAT_DIR_PREALLOC        0x0001
    52 #define EXT4_FEATURE_COMPAT_IMAGIC_INODES       0x0002
    53 #define EXT4_FEATURE_COMPAT_HAS_JOURNAL         0x0004
    54 #define EXT4_FEATURE_COMPAT_EXT_ATTR            0x0008
    55 #define EXT4_FEATURE_COMPAT_RESIZE_INODE        0x0010
    56 #define EXT4_FEATURE_COMPAT_DIR_INDEX           0x0020
    57 
    58 /* Read-only compatible features */
    59 // TODO features comments !!!
    60 #define EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER     0x0001
    61 #define EXT4_FEATURE_RO_COMPAT_LARGE_FILE       0x0002
    62 #define EXT4_FEATURE_RO_COMPAT_BTREE_DIR        0x0004
    63 #define EXT4_FEATURE_RO_COMPAT_HUGE_FILE        0x0008
    64 #define EXT4_FEATURE_RO_COMPAT_GDT_CSUM         0x0010
    65 #define EXT4_FEATURE_RO_COMPAT_DIR_NLINK        0x0020
    66 #define EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE      0x0040
    67 
    68 /* Incompatible features */
    69 // TODO features comments !!!
    70 #define EXT4_FEATURE_INCOMPAT_COMPRESSION       0x0001
    71 #define EXT4_FEATURE_INCOMPAT_FILETYPE          0x0002
    72 #define EXT4_FEATURE_INCOMPAT_RECOVER           0x0004 /* Needs recovery */
    73 #define EXT4_FEATURE_INCOMPAT_JOURNAL_DEV       0x0008 /* Journal device */
    74 #define EXT4_FEATURE_INCOMPAT_META_BG           0x0010
    75 #define EXT4_FEATURE_INCOMPAT_EXTENTS           0x0040 /* extents support */
    76 #define EXT4_FEATURE_INCOMPAT_64BIT             0x0080
    77 #define EXT4_FEATURE_INCOMPAT_MMP               0x0100
    78 #define EXT4_FEATURE_INCOMPAT_FLEX_BG           0x0200
    79 #define EXT4_FEATURE_INCOMPAT_EA_INODE          0x0400 /* EA in inode */
    80 #define EXT4_FEATURE_INCOMPAT_DIRDATA           0x1000 /* data in dirent */
    81 
    82 
    83 // TODO MODIFY features corresponding with implementation
    84 #define EXT4_FEATURE_COMPAT_SUPP EXT4_FEATURE_COMPAT_EXT_ATTR
    85 
    86 #define EXT4_FEATURE_INCOMPAT_SUPP      (EXT4_FEATURE_INCOMPAT_FILETYPE| \
    87                                          EXT4_FEATURE_INCOMPAT_RECOVER| \
    88                                          EXT4_FEATURE_INCOMPAT_META_BG| \
    89                                          EXT4_FEATURE_INCOMPAT_EXTENTS| \
    90                                          EXT4_FEATURE_INCOMPAT_64BIT| \
    91                                          EXT4_FEATURE_INCOMPAT_FLEX_BG)
    92 
    93 #define EXT4_FEATURE_RO_COMPAT_SUPP     (EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER| \
    94                                          EXT4_FEATURE_RO_COMPAT_LARGE_FILE| \
    95                                          EXT4_FEATURE_RO_COMPAT_GDT_CSUM| \
    96                                          EXT4_FEATURE_RO_COMPAT_DIR_NLINK | \
    97                                          EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE | \
    98                                          EXT4_FEATURE_RO_COMPAT_BTREE_DIR |\
    99                                          EXT4_FEATURE_RO_COMPAT_HUGE_FILE)
    100 
    10149
    10250extern int ext4_filesystem_init(ext4_filesystem_t *, service_id_t);
    … …  
    10452extern int ext4_filesystem_check_sanity(ext4_filesystem_t *fs);
    10553extern int ext4_filesystem_check_features(ext4_filesystem_t *, bool *);
    106 extern bool ext4_filesystem_has_feature_compatible(ext4_filesystem_t *, uint32_t);
    107 extern bool ext4_filesystem_has_feature_incompatible(ext4_filesystem_t *, uint32_t);
    108 extern bool ext4_filesystem_has_feature_read_only(ext4_filesystem_t *, uint32_t);
    10954extern int ext4_filesystem_get_block_group_ref(ext4_filesystem_t *, uint32_t,
    11055    ext4_block_group_ref_t **);

  • uspace/lib/ext4/libext4_hash.c

    rc83a55c rc25e39b  
    3333/**
    3434 * @file        libext4_hash.c
    35  * @brief       TODO
     35 * @brief       Hashing algorithms for ext4 HTree.
    3636 */
    3737

  • uspace/lib/ext4/libext4_inode.c

    rc83a55c rc25e39b  
    3333/**
    3434 * @file        libext4_inode.c
    35  * @brief       Ext4 inode operations.
     35 * @brief       Ext4 inode structure operations.
    3636 */
    3737
    … …  
    135135                                        return 0;
    136136                                }
    137                                 EXT4FS_DBG("get block");
    138 
    139137
    140138                                header = (ext4_extent_header_t *)block->data;

  • uspace/lib/ext4/libext4_superblock.c

    rc83a55c rc25e39b  
    190190}
    191191
     192uint16_t ext4_superblock_get_desc_size(ext4_superblock_t *sb)
     193{
     194        uint16_t size = uint16_t_le2host(sb->desc_size);
     195
     196        if (size < EXT4_BLOCK_MIN_GROUP_DESCRIPTOR_SIZE) {
     197                size = EXT4_BLOCK_MIN_GROUP_DESCRIPTOR_SIZE;
     198        }
     199
     200        return size;
     201}
     202
    192203uint32_t ext4_superblock_get_flags(ext4_superblock_t *sb)
    193204{
    … …  
    197208
    198209/*
    199  * More complex superblock functions
     210 * More complex superblock operations
    200211 */
    201212
    … …  
    207218        return false;
    208219}
     220
     221// Feature checkers
     222bool ext4_superblock_has_feature_compatible(ext4_superblock_t *sb, uint32_t feature)
     223{
     224        if (ext4_superblock_get_features_compatible(sb) & feature) {
     225                return true;
     226        }
     227        return false;
     228}
     229
     230bool ext4_superblock_has_feature_incompatible(ext4_superblock_t *sb, uint32_t feature)
     231{
     232        if (ext4_superblock_get_features_incompatible(sb) & feature) {
     233                return true;
     234        }
     235        return false;
     236}
     237
     238bool ext4_superblock_has_feature_read_only(ext4_superblock_t *sb, uint32_t feature)
     239{
     240        if (ext4_superblock_get_features_read_only(sb) & feature) {
     241                return true;
     242        }
     243        return false;
     244}
     245
    209246
    210247int ext4_superblock_read_direct(service_id_t service_id,

  • uspace/lib/ext4/libext4_superblock.h

    rc83a55c rc25e39b  
    151151#define EXT4_SUPERBLOCK_FLAGS_TEST_FILESYS      0x0004  /* to test development code */
    152152
     153/* Compatible features */
     154#define EXT4_FEATURE_COMPAT_DIR_PREALLOC        0x0001
     155#define EXT4_FEATURE_COMPAT_IMAGIC_INODES       0x0002
     156#define EXT4_FEATURE_COMPAT_HAS_JOURNAL         0x0004
     157#define EXT4_FEATURE_COMPAT_EXT_ATTR            0x0008
     158#define EXT4_FEATURE_COMPAT_RESIZE_INODE        0x0010
     159#define EXT4_FEATURE_COMPAT_DIR_INDEX           0x0020
     160
     161/* Read-only compatible features */
     162#define EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER     0x0001
     163#define EXT4_FEATURE_RO_COMPAT_LARGE_FILE       0x0002
     164#define EXT4_FEATURE_RO_COMPAT_BTREE_DIR        0x0004
     165#define EXT4_FEATURE_RO_COMPAT_HUGE_FILE        0x0008
     166#define EXT4_FEATURE_RO_COMPAT_GDT_CSUM         0x0010
     167#define EXT4_FEATURE_RO_COMPAT_DIR_NLINK        0x0020
     168#define EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE      0x0040
     169
     170/* Incompatible features */
     171#define EXT4_FEATURE_INCOMPAT_COMPRESSION       0x0001
     172#define EXT4_FEATURE_INCOMPAT_FILETYPE          0x0002
     173#define EXT4_FEATURE_INCOMPAT_RECOVER           0x0004 /* Needs recovery */
     174#define EXT4_FEATURE_INCOMPAT_JOURNAL_DEV       0x0008 /* Journal device */
     175#define EXT4_FEATURE_INCOMPAT_META_BG           0x0010
     176#define EXT4_FEATURE_INCOMPAT_EXTENTS           0x0040 /* extents support */
     177#define EXT4_FEATURE_INCOMPAT_64BIT             0x0080
     178#define EXT4_FEATURE_INCOMPAT_MMP               0x0100
     179#define EXT4_FEATURE_INCOMPAT_FLEX_BG           0x0200
     180#define EXT4_FEATURE_INCOMPAT_EA_INODE          0x0400 /* EA in inode */
     181#define EXT4_FEATURE_INCOMPAT_DIRDATA           0x1000 /* data in dirent */
     182
     183// TODO MODIFY features corresponding with implementation
     184#define EXT4_FEATURE_COMPAT_SUPP EXT4_FEATURE_COMPAT_EXT_ATTR
     185
     186#define EXT4_FEATURE_INCOMPAT_SUPP      (EXT4_FEATURE_INCOMPAT_FILETYPE| \
     187                                         EXT4_FEATURE_INCOMPAT_RECOVER| \
     188                                         EXT4_FEATURE_INCOMPAT_META_BG| \
     189                                         EXT4_FEATURE_INCOMPAT_EXTENTS| \
     190                                         EXT4_FEATURE_INCOMPAT_64BIT| \
     191                                         EXT4_FEATURE_INCOMPAT_FLEX_BG)
     192
     193#define EXT4_FEATURE_RO_COMPAT_SUPP     (EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER| \
     194                                         EXT4_FEATURE_RO_COMPAT_LARGE_FILE| \
     195                                         EXT4_FEATURE_RO_COMPAT_GDT_CSUM| \
     196                                         EXT4_FEATURE_RO_COMPAT_DIR_NLINK | \
     197                                         EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE | \
     198                                         EXT4_FEATURE_RO_COMPAT_BTREE_DIR |\
     199                                         EXT4_FEATURE_RO_COMPAT_HUGE_FILE)
     200
     201
    153202
    154203extern uint32_t ext4_superblock_get_inodes_count(ext4_superblock_t *);
    … …  
    205254uint8_t s_def_hash_version; // Default hash version to use
    206255uint8_t s_jnl_backup_type;
    207 uint16_t s_desc_size; // Size of group descriptor
     256*/
     257
     258extern uint16_t ext4_superblock_get_desc_size(ext4_superblock_t *);
     259
     260/*
    208261uint32_t s_default_mount_opts; // Default mount options
    209262uint32_t s_first_meta_bg; // First metablock block group
    … …  
    243296/* More complex superblock functions */
    244297extern bool ext4_superblock_has_flag(ext4_superblock_t *, uint32_t);
     298extern bool ext4_superblock_has_feature_compatible(ext4_superblock_t *, uint32_t);
     299extern bool ext4_superblock_has_feature_incompatible(ext4_superblock_t *, uint32_t);
     300extern bool ext4_superblock_has_feature_read_only(ext4_superblock_t *, uint32_t);
    245301extern int ext4_superblock_read_direct(service_id_t, ext4_superblock_t **);
    246302extern int ext4_superblock_check_sanity(ext4_superblock_t *);

  • uspace/srv/fs/ext4fs/ext4fs_ops.c

    rc83a55c rc25e39b  
    224224        }
    225225
    226         // TODO check super block COMPAT FEATURES
    227         if (ext4_inode_has_flag(eparent->inode_ref->inode, EXT4_INODE_FLAG_INDEX)) {
     226        if (ext4_superblock_has_feature_compatible(fs->superblock, EXT4_FEATURE_COMPAT_DIR_INDEX) &&
     227                        ext4_inode_has_flag(eparent->inode_ref->inode, EXT4_INODE_FLAG_INDEX)) {
    228228
    229229                rc = ext4_directory_dx_find_entry(&it, fs, eparent->inode_ref, component_size, component);
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