a9f55a2e46
REQ_PEEK behaves just like REQ_READ except that it does not copy data anywhere, just obtains the blocks from the FS into the cache. To be used by the future mmap implementation. Change-Id: I1b56de304f0a7152b69a72c8962d04258adb44f9
21 lines
660 B
C
21 lines
660 B
C
/* This file is the counterpart of "read.c". It contains the code for writing
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* insofar as this is not contained in read_write().
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*
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* The entry points into this file are
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* do_write: call read_write to perform the WRITE system call
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*/
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#include "fs.h"
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#include "file.h"
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#include "param.h"
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/*===========================================================================*
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* do_write *
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*===========================================================================*/
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int do_write()
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{
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/* Perform the write(fd, buffer, nbytes) system call. */
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return(do_read_write_peek(WRITING, job_m_in.fd,
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job_m_in.buffer, (size_t) job_m_in.nbytes));
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}
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