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Roger Pau Monne
8c21339be4
This is not needed, neither encouraged. Configure already checks _FILE_OFFSET_BITS and appends it when needed, so that the right functions are used. Also remove the usage of loff_t and O_LARGEFILE for the same reason. Signed-off-by: Roger Pau Monné <roger.pau@citrix.com> Cc: George Dunlap <george.dunlap@eu.citrix.com> Cc: Ian Jackson <ian.jackson@eu.citrix.com> Cc: Ian Campbell <ian.campbell@citrix.com> Cc: Wei Liu <wei.liu2@citrix.com> Cc: Olaf Hering <olaf@aepfle.de> Acked-by: Wei Liu <wei.liu2@citrix.com> Acked-by: George Dunlap <george.dunlap@eu.citrix.com>
19 lines
506 B
C
19 lines
506 B
C
#define MREAD_MAPS 8
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#define MREAD_BUF_SHIFT 9
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#define PAGE_SHIFT 12
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#define MREAD_BUF_SIZE (1ULL<<(PAGE_SHIFT+MREAD_BUF_SHIFT))
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#define MREAD_BUF_MASK (~(MREAD_BUF_SIZE-1))
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typedef struct mread_ctrl {
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int fd;
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off_t file_size;
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struct mread_buffer {
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char * buffer;
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off_t start_offset;
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int accessed;
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} map[MREAD_MAPS];
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int clock, last;
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} *mread_handle_t;
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mread_handle_t mread_init(int fd);
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ssize_t mread64(mread_handle_t h, void *dst, ssize_t len, off_t offset);
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