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Increase the block size for reading and writing from 8KB to 1MB and

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introduce a preprocessor define for it. The larger block size
significantly speeds up the loading of the kernel.

Submitted by: Arun Sharma <arun.sharma@intel.com>
This commit is contained in:
Marcel Moolenaar 2003-02-26 09:13:05 +00:00
parent 96dfe788ad
commit 21c598caae
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=111543
1 changed files with 7 additions and 4 deletions
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11
sys/boot/efi/libefi/efifs.c
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@ -36,6 +36,9 @@
#include <efilib.h>
#include "efiboot.h"
/* Perform I/O in blocks of size EFI_BLOCK_SIZE. */
#define EFI_BLOCK_SIZE (1024 * 1024)
static int
efifs_open(const char *upath, struct open_file *f)
{
@ -123,8 +126,8 @@ efifs_read(struct open_file *f, void *buf, size_t size, size_t *resid)
bufp = buf;
while (size > 0) {
sz = size;
if (sz > 8192)
sz = 8192;
if (sz > EFI_BLOCK_SIZE)
sz = EFI_BLOCK_SIZE;
status = file->Read(file, &sz, bufp);
twiddle();
if (EFI_ERROR(status))
@ -150,8 +153,8 @@ efifs_write(struct open_file *f, void *buf, size_t size, size_t *resid)
bufp = buf;
while (size > 0) {
sz = size;
if (sz > 8192)
sz = 8192;
if (sz > EFI_BLOCK_SIZE)
sz = EFI_BLOCK_SIZE;
status = file->Write(file, &sz, bufp);
twiddle();
if (EFI_ERROR(status))