970d95ecd5
- fix panic on truncating files with holes; - remove block-based readahead, to match MFS. Change-Id: I385552f8019e9c013a6cb937bcc8e4e7181a4a50
115 lines
3.3 KiB
C
115 lines
3.3 KiB
C
#include "fs.h"
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#include "buf.h"
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#include "inode.h"
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#include <string.h>
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#include <minix/optset.h>
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/* SEF functions and variables. */
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static void sef_local_startup(void);
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static int sef_cb_init_fresh(int type, sef_init_info_t *info);
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static void sef_cb_signal_handler(int signo);
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EXTERN int env_argc;
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EXTERN char **env_argv;
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static struct optset optset_table[] = {
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{ "sb", OPT_INT, &opt.block_with_super, 0 },
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{ "orlov", OPT_BOOL, &opt.use_orlov, TRUE },
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{ "oldalloc", OPT_BOOL, &opt.use_orlov, FALSE },
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{ "mfsalloc", OPT_BOOL, &opt.mfsalloc, TRUE },
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{ "reserved", OPT_BOOL, &opt.use_reserved_blocks, TRUE },
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{ "prealloc", OPT_BOOL, &opt.use_prealloc, TRUE },
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{ "noprealloc", OPT_BOOL, &opt.use_prealloc, FALSE },
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{ NULL, 0, NULL, 0 }
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};
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/*===========================================================================*
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* main *
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*===========================================================================*/
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int main(int argc, char *argv[])
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{
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/* This is the main routine of this service. */
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unsigned short test_endian = 1;
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/* SEF local startup. */
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env_setargs(argc, argv);
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sef_local_startup();
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le_CPU = (*(unsigned char *) &test_endian == 0 ? 0 : 1);
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/* Server isn't tested on big endian CPU */
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ASSERT(le_CPU == 1);
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/* The fsdriver library does the actual work here. */
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fsdriver_task(&ext2_table);
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return 0;
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}
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/*===========================================================================*
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* sef_local_startup *
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*===========================================================================*/
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static void sef_local_startup()
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{
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/* Register init callbacks. */
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sef_setcb_init_fresh(sef_cb_init_fresh);
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sef_setcb_init_restart(sef_cb_init_fail);
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/* No live update support for now. */
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/* Register signal callbacks. */
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sef_setcb_signal_handler(sef_cb_signal_handler);
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/* Let SEF perform startup. */
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sef_startup();
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}
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/*===========================================================================*
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* sef_cb_init_fresh *
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*===========================================================================*/
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static int sef_cb_init_fresh(int UNUSED(type), sef_init_info_t *UNUSED(info))
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{
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/* Initialize the Minix file server. */
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int i;
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/* Defaults */
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opt.use_orlov = TRUE;
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opt.mfsalloc = FALSE;
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opt.use_reserved_blocks = FALSE;
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opt.block_with_super = 0;
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opt.use_prealloc = FALSE;
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/* If we have been given an options string, parse options from there. */
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for (i = 1; i < env_argc - 1; i++)
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if (!strcmp(env_argv[i], "-o"))
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optset_parse(optset_table, env_argv[++i]);
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lmfs_may_use_vmcache(1);
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/* Init inode table */
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for (i = 0; i < NR_INODES; ++i) {
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inode[i].i_count = 0;
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cch[i] = 0;
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}
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init_inode_cache();
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/* just a small number before we find out the block size at mount time */
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lmfs_buf_pool(10);
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return(OK);
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}
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/*===========================================================================*
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* sef_cb_signal_handler *
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*===========================================================================*/
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static void sef_cb_signal_handler(int signo)
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{
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/* Only check for termination signal, ignore anything else. */
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if (signo != SIGTERM) return;
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fs_sync();
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fsdriver_terminate();
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}
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