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| Rev 5056 | Rev 5270 | ||
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| Line 99... | Line 99... | ||
| 99 | BUG_ON(sg_is_chain(sg)); |
99 | BUG_ON(sg_is_chain(sg)); |
| 100 | #endif |
100 | #endif |
| 101 | return (struct page *)((sg)->page_link & ~0x3); |
101 | return (struct page *)((sg)->page_link & ~0x3); |
| 102 | } |
102 | } |
| Line -... | Line 103... | ||
| - | 103 | ||
| - | 104 | /** |
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| - | 105 | * sg_set_buf - Set sg entry to point at given data |
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| - | 106 | * @sg: SG entry |
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| - | 107 | * @buf: Data |
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| - | 108 | * @buflen: Data length |
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| - | 109 | * |
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| - | 110 | **/ |
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| - | 111 | //static inline void sg_set_buf(struct scatterlist *sg, const void *buf, |
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| - | 112 | // unsigned int buflen) |
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| - | 113 | //{ |
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| - | 114 | //#ifdef CONFIG_DEBUG_SG |
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| - | 115 | // BUG_ON(!virt_addr_valid(buf)); |
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| - | 116 | //#endif |
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| - | 117 | // sg_set_page(sg, virt_to_page(buf), buflen, offset_in_page(buf)); |
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| - | 118 | //} |
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| 103 | 119 | ||
| 104 | /* |
120 | /* |
| 105 | * Loop over each sg element, following the pointer to a new list if necessary |
121 | * Loop over each sg element, following the pointer to a new list if necessary |
| 106 | */ |
122 | */ |
| 107 | #define for_each_sg(sglist, sg, nr, __i) \ |
123 | #define for_each_sg(sglist, sg, nr, __i) \ |
| Line 118... | Line 134... | ||
| 118 | * |
134 | * |
| 119 | **/ |
135 | **/ |
| 120 | static inline void sg_chain(struct scatterlist *prv, unsigned int prv_nents, |
136 | static inline void sg_chain(struct scatterlist *prv, unsigned int prv_nents, |
| 121 | struct scatterlist *sgl) |
137 | struct scatterlist *sgl) |
| 122 | { |
138 | { |
| 123 | #ifndef ARCH_HAS_SG_CHAIN |
139 | #ifndef CONFIG_ARCH_HAS_SG_CHAIN |
| 124 | BUG(); |
140 | BUG(); |
| 125 | #endif |
141 | #endif |
| Line 126... | Line 142... | ||
| 126 | 142 | ||
| 127 | /* |
143 | /* |