From: David van Moolenbroek <david@minix3.org>
Date: Sun, 24 Aug 2014 11:53:52 +0000 (+0000)
Subject: Clean up obsolete FS support routines
X-Git-Url: http://zhaoyanbai.com/repos/%22http:/static/doc/zpipe.c?a=commitdiff_plain;h=refs%2Fchanges%2F59%2F2759%2F4;p=minix.git

Clean up obsolete FS support routines

Change-Id: I56d0ab51f32064bb964051732de7e2465dc22b75
---

diff --git a/minix/include/minix/libminixfs.h b/minix/include/minix/libminixfs.h
index a0369904b..20fff4152 100644
--- a/minix/include/minix/libminixfs.h
+++ b/minix/include/minix/libminixfs.h
@@ -3,9 +3,6 @@
 #ifndef _MINIX_FSLIB_H
 #define _MINIX_FSLIB_H
 
-#include <minix/safecopies.h>
-#include <minix/sef.h>
-#include <minix/vfsif.h>
 #include <minix/fsdriver.h>
 
 struct buf {
@@ -30,9 +27,6 @@ struct buf {
   u64_t lmfs_inode_offset;
 };
 
-int fs_lookup_credentials(vfs_ucred_t *credentials,
-        uid_t *caller_uid, gid_t *caller_gid, cp_grant_id_t grant2, size_t cred_size);
-
 void lmfs_markdirty(struct buf *bp);
 void lmfs_markclean(struct buf *bp);
 int lmfs_isclean(struct buf *bp);
@@ -55,7 +49,6 @@ void lmfs_invalidate(dev_t device);
 void lmfs_put_block(struct buf *bp, int block_type);
 void lmfs_rw_scattered(dev_t, struct buf **, int, int);
 void lmfs_setquiet(int q);
-int lmfs_do_bpeek(message *);
 void lmfs_cache_reevaluate(dev_t dev);
 void lmfs_blockschange(dev_t dev, int delta);
 
@@ -86,4 +79,3 @@ ssize_t lmfs_bio(dev_t dev, struct fsdriver_data *data, size_t bytes,
 void lmfs_bflush(dev_t dev);
 
 #endif /* _MINIX_FSLIB_H */
-
diff --git a/minix/include/minix/minlib.h b/minix/include/minix/minlib.h
index 1e66eae99..52059eb5a 100644
--- a/minix/include/minix/minlib.h
+++ b/minix/include/minix/minlib.h
@@ -13,7 +13,6 @@ int fsversion(char *_dev, char *_prog);
 int getprocessor(void);
 void _cpuid(u32_t *eax, u32_t *ebx, u32_t *ecx, u32_t *edx);
 int load_mtab(char *_prog_name);
-uint8_t fs_mode_to_type(mode_t mode);
 int get_mtab_entry(char dev[PATH_MAX], char mount_point[PATH_MAX],
 			char type[MNTNAMELEN], char flags[MNTFLAGLEN]);
 
diff --git a/minix/lib/libc/gen/fslib.c b/minix/lib/libc/gen/fslib.c
index 4e54cae16..58f01e78c 100644
--- a/minix/lib/libc/gen/fslib.c
+++ b/minix/lib/libc/gen/fslib.c
@@ -8,7 +8,6 @@
 #include <sys/types.h>
 #include <minix/const.h>
 #include <minix/type.h>		/* for unshort :-( */
-#include <minix/sysutil.h>
 #include <minix/minlib.h>
 #include <minix/ipc.h>
 #include "mfs/const.h"		/* depends of -I flag in Makefile */
@@ -16,7 +15,6 @@
 #include "mfs/inode.h"		/* ditto */
 #include "mfs/super.h"
 #include <minix/fslib.h>
-#include <sys/stat.h>
 
 /* The next routine is copied from fsck.c and mkfs.c...  (Re)define some
  * things for consistency.  Some things should be done better.
@@ -46,20 +44,3 @@ int block_size;
   if (((bit_t) nr_blocks * FS_BITS_PER_BLOCK(block_size)) < nr_bits) ++nr_blocks;
   return(nr_blocks);
 }
-
-uint8_t fs_mode_to_type(mode_t mode)
-{
-	if(S_ISREG(mode)) return DT_REG;
-	else if(S_ISDIR(mode)) return DT_DIR;
-	else if(S_ISLNK(mode)) return DT_LNK;
-	else if(S_ISCHR(mode)) return DT_CHR;
-	else if(S_ISBLK(mode)) return DT_BLK;
-	else if(S_ISFIFO(mode)) return DT_FIFO;
-	else if(S_ISSOCK(mode)) return DT_SOCK;
-
-	assert(0 && "unknown type");
-
-	/* assert()s are removed on NDEBUG builds. */
-	abort();
-}
-
diff --git a/minix/lib/libminixfs/Makefile b/minix/lib/libminixfs/Makefile
index 5a3578eb2..0426137c7 100644
--- a/minix/lib/libminixfs/Makefile
+++ b/minix/lib/libminixfs/Makefile
@@ -6,6 +6,6 @@ CPPFLAGS+= -D_MINIX_SYSTEM
 .include <bsd.own.mk>
 LIB=		minixfs
 
-SRCS=  	fetch_credentials.c cache.c bio.c
+SRCS=  	cache.c bio.c
 
 .include <bsd.lib.mk>
diff --git a/minix/lib/libminixfs/cache.c b/minix/lib/libminixfs/cache.c
index aba2a9bb9..8c410981a 100644
--- a/minix/lib/libminixfs/cache.c
+++ b/minix/lib/libminixfs/cache.c
@@ -931,38 +931,3 @@ int lmfs_rdwt_err(void)
 {
 	return rdwt_err;
 }
-
-int lmfs_do_bpeek(message *m)
-{
-	block_t startblock, b, limitblock;
-	dev_t dev = m->m_vfs_fs_breadwrite.device;
-	off_t extra, pos = m->m_vfs_fs_breadwrite.seek_pos;
-	size_t len = m->m_vfs_fs_breadwrite.nbytes;
-	struct buf *bp;
-
-	assert(m->m_type == REQ_BPEEK);
-	assert(fs_block_size > 0);
-	assert(dev != NO_DEV);
-
-	if(!vmcache) { return ENXIO; }
-
-	assert(!(fs_block_size % PAGE_SIZE));
-
-	if((extra=(pos % fs_block_size))) {
-		pos -= extra;
-		len += extra;
-	}
-
-	len = roundup(len, fs_block_size);
-
-	startblock = pos/fs_block_size;
-	limitblock = startblock + len/fs_block_size;
-
-	for(b = startblock; b < limitblock; b++) {
-		bp = lmfs_get_block(dev, b, NORMAL);
-		assert(bp);
-		lmfs_put_block(bp, FULL_DATA_BLOCK);
-	}
-
-	return OK;
-}
diff --git a/minix/lib/libminixfs/fetch_credentials.c b/minix/lib/libminixfs/fetch_credentials.c
deleted file mode 100644
index 34fb6fd35..000000000
--- a/minix/lib/libminixfs/fetch_credentials.c
+++ /dev/null
@@ -1,31 +0,0 @@
-
-#include <minix/vfsif.h>
-#include <minix/type.h>
-#include <minix/syslib.h>
-#include <assert.h>
-#include <string.h>
-
-#include "minixfs.h"
-
-int fs_lookup_credentials(vfs_ucred_t *credentials,
-	uid_t *caller_uid, gid_t *caller_gid, cp_grant_id_t grant2, size_t cred_size)
-{
-  int r;
-
-  memset(credentials, 0, sizeof(*credentials));
-
-  r = sys_safecopyfrom(VFS_PROC_NR, grant2, (vir_bytes) 0,
-			(vir_bytes) credentials, cred_size);
-  if (r != OK) {
-	printf("FS: cred copy failed\n");
-	return(r);
-  }
-
-  assert(credentials->vu_ngroups <= NGROUPS_MAX);
-
-  *caller_uid = credentials->vu_uid;
-  *caller_gid = credentials->vu_gid;
-
-  return OK;
-}
-