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30 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
30 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
31 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
31 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
32 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
32 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
33 | * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
33 | * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
34 | */ |
34 | */ |
- | 35 | ||
- | 36 | /** @addtogroup FileSystemImpl |
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- | 37 | * @{ |
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- | 38 | */ |
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35 | 39 | ||
- | 40 | /** |
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- | 41 | * @file block.h |
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36 | /* Data block. */ |
42 | * @brief Data block. |
- | 43 | */ |
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37 | 44 | ||
38 | #ifndef _BLOCK_H |
45 | #ifndef _BLOCK_H |
39 | #define _BLOCK_H |
46 | #define _BLOCK_H |
40 | 47 | ||
41 | #include "dir.h" |
48 | #include "dir.h" |
42 | 49 | ||
43 | #define DIRECTORY_BLOCK 1 /* directory block */ |
50 | #define DIRECTORY_BLOCK 1 /**< directory block */ |
44 | #define INDIRECT_BLOCK 2 /* pointer block */ |
51 | #define INDIRECT_BLOCK 2 /**< pointer block */ |
45 | 52 | ||
- | 53 | /** |
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- | 54 | * Data block |
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- | 55 | */ |
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46 | typedef struct { |
56 | typedef struct { |
47 | union { |
57 | union { |
48 | char b__data[BLOCK_SIZE]; /* ordinary user data */ |
58 | char b__data[BLOCK_SIZE]; /**< ordinary user data */ |
49 | direct_t b__dir[NR_DIR_ENTRIES]; /* directory block */ |
59 | direct_t b__dir[NR_DIR_ENTRIES]; /**< directory block */ |
50 | directex_t b__direx[NR_DIR_ENTRIES_EX]; /* extended directory block */ |
60 | directex_t b__direx[NR_DIR_ENTRIES_EX]; /**< extended directory block */ |
51 | zone1_t b__v1_ind[V1_INDIRECTS]; /* V1 indirect block */ |
61 | zone1_t b__v1_ind[V1_INDIRECTS]; /**< V1 indirect block */ |
52 | zone_t b__v2_ind[V2_INDIRECTS]; /* V2 indirect block */ |
62 | zone_t b__v2_ind[V2_INDIRECTS]; /**< V2 indirect block */ |
53 | d1_inode_t b__v1_ino[V1_INODES_PER_BLOCK]; /* V1 inode block */ |
63 | d1_inode_t b__v1_ino[V1_INODES_PER_BLOCK]; /**< V1 inode block */ |
54 | d2_inode_t b__v2_ino[V2_INODES_PER_BLOCK]; /* V2 inode block */ |
64 | d2_inode_t b__v2_ino[V2_INODES_PER_BLOCK]; /**< V2 inode block */ |
55 | } b; |
65 | } b; |
56 | 66 | ||
57 | block_num_t b_blocknr; /* number of block */ |
67 | block_num_t b_blocknr; /**< number of block */ |
58 | char b_count; /* number of users of this block */ |
68 | char b_count; /**< number of users of this block */ |
59 | } block_t; |
69 | } block_t; |
60 | 70 | ||
61 | extern block_t* work_block; |
71 | extern block_t* work_block; |
62 | 72 | ||
63 | #endif /* _BLOCK_H */ |
73 | #endif /* _BLOCK_H */ |
- | 74 | ||
- | 75 | /** |
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- | 76 | * } |
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- | 77 | */ |
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- | 78 |