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tbcompat.c - dedup - deduplicating backup program |
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git clone git://bitreich.org/dedup/ git://hg6vgqziawt5s4dj.onion/dedup/ (git://bitreich.org) |
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README |
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LICENSE |
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--- |
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tbcompat.c (334B) |
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--- |
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1 #ifdef __linux__ |
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2 #define _GNU_SOURCE |
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3 #include <fcntl.h> |
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4 |
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5 int |
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6 punchhole(int fd, off_t offset, off_t len) |
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7 { |
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8 int mode; |
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9 |
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10 mode = FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE; |
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11 return fallocate(fd, mode, offset, len); |
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12 } |
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13 #else |
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14 #include <sys/types.h> |
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15 #include <unistd.h> |
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16 |
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17 int |
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18 punchhole(int fd, off_t offset, off_t len) |
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19 { |
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20 return -1; |
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21 } |
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22 #endif |
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