From: Lionel Sambuc <lionel@minix3.org>
Date: Thu, 1 May 2014 08:05:07 +0000 (+0200)
Subject: Message types for VFS stat
X-Git-Tag: v3.3.0~335
X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/rndc.html?a=commitdiff_plain;h=df7e2766c5fc78bd51b5170b6d93e3fb9018aab0;p=minix.git

Message types for VFS stat

Change-Id: I1d40ae7c3c32a4f7b80c82bc2fa8b157b20a6837
---

diff --git a/include/minix/ipc.h b/include/minix/ipc.h
index 2835ce438..68310235b 100644
--- a/include/minix/ipc.h
+++ b/include/minix/ipc.h
@@ -378,6 +378,15 @@ typedef struct {
 } mess_vfs_fs_slink;
 _ASSERT_MSG_SIZE(mess_vfs_fs_slink);
 
+typedef struct {
+	ino_t inode;
+
+	cp_grant_id_t grant;
+
+	uint8_t data[44];
+} mess_vfs_fs_stat;
+_ASSERT_MSG_SIZE(mess_vfs_fs_stat);
+
 typedef struct {
 	ino_t inode;
 	time_t actime;
@@ -480,6 +489,7 @@ typedef struct {
 	mess_fs_vfs_readsuper m_fs_vfs_readsuper;
 	mess_vfs_fs_rename m_vfs_fs_rename;
 	mess_vfs_fs_slink m_vfs_fs_slink;
+	mess_vfs_fs_stat m_vfs_fs_stat;
 	mess_vfs_fs_utime m_vfs_fs_utime;
 	mess_vfs_utimens m_vfs_utimens;
 	mess_vm_vfs_mmap m_vm_vfs_mmap;
diff --git a/lib/libpuffs/stadir.c b/lib/libpuffs/stadir.c
index 7b41174b6..0189ca017 100644
--- a/lib/libpuffs/stadir.c
+++ b/lib/libpuffs/stadir.c
@@ -20,7 +20,7 @@ int fs_stat(void)
   register struct puffs_node *pn;  /* target pnode */
   struct vattr va;
   struct stat statbuf;
-  pmode_t mo;
+  mode_t mo;
   int s;
   PUFFS_MAKECRED(pcr, &global_kcred);
 
@@ -29,7 +29,7 @@ int fs_stat(void)
 	return(EINVAL);
   }
 
-  if ((pn = puffs_pn_nodewalk(global_pu, 0, &fs_m_in.REQ_INODE_NR)) == NULL) {
+  if ((pn = puffs_pn_nodewalk(global_pu, 0, &fs_m_in.m_vfs_fs_stat.inode)) == NULL) {
   	lpuffs_debug("walk failed...\n");
         return(EINVAL);
   }
@@ -67,7 +67,7 @@ int fs_stat(void)
   statbuf.st_gen = va.va_gen;
 
   /* Copy the struct to user space. */
-  r = sys_safecopyto(fs_m_in.m_source, (cp_grant_id_t) fs_m_in.REQ_GRANT,
+  r = sys_safecopyto(fs_m_in.m_source, fs_m_in.m_vfs_fs_stat.grant,
 		     (vir_bytes) 0, (vir_bytes) &statbuf,
 		     (size_t) sizeof(statbuf));
 
diff --git a/lib/libsffs/stat.c b/lib/libsffs/stat.c
index 2a78860bb..997027873 100644
--- a/lib/libsffs/stat.c
+++ b/lib/libsffs/stat.c
@@ -48,7 +48,7 @@ int do_stat(void)
   pino_t ino_nr;
   int r;
 
-  ino_nr = m_in.REQ_INODE_NR;
+  ino_nr = m_in.m_vfs_fs_stat.inode;
 
   /* Don't increase the inode refcount: it's already open anyway */
   if ((ino = find_inode(ino_nr)) == NULL)
@@ -91,7 +91,7 @@ int do_stat(void)
 	if (HAS_CHILDREN(ino)) stat.st_nlink++;
   }
 
-  return sys_safecopyto(m_in.m_source, m_in.REQ_GRANT, 0,
+  return sys_safecopyto(m_in.m_source, m_in.m_vfs_fs_stat.grant, 0,
 	(vir_bytes) &stat, sizeof(stat));
 }
 
diff --git a/lib/libvtreefs/stadir.c b/lib/libvtreefs/stadir.c
index 82c313334..ab9cfe478 100644
--- a/lib/libvtreefs/stadir.c
+++ b/lib/libvtreefs/stadir.c
@@ -19,7 +19,7 @@ int fs_stat(void)
 	struct inode *node;
 	int r;
 
-	if ((node = find_inode(fs_m_in.REQ_INODE_NR)) == NULL)
+	if ((node = find_inode(fs_m_in.m_vfs_fs_stat.inode)) == NULL)
 		return EINVAL;
 
 	memset(&statbuf, 0, sizeof(struct stat));
@@ -50,7 +50,7 @@ int fs_stat(void)
 	statbuf.st_ctime = cur_time;
 
 	/* Copy the struct to user space. */
-	return sys_safecopyto(fs_m_in.m_source, fs_m_in.REQ_GRANT, 0,
+	return sys_safecopyto(fs_m_in.m_source, fs_m_in.m_vfs_fs_stat.grant, 0,
 		(vir_bytes) &statbuf, (phys_bytes) sizeof(statbuf));
 }
 
diff --git a/servers/ext2/stadir.c b/servers/ext2/stadir.c
index f99d54efb..2db84269a 100644
--- a/servers/ext2/stadir.c
+++ b/servers/ext2/stadir.c
@@ -67,10 +67,10 @@ int fs_stat()
   register int r;              /* return value */
   register struct inode *rip;  /* target inode */
 
-  if ((rip = get_inode(fs_dev, (pino_t) fs_m_in.REQ_INODE_NR)) == NULL)
+  if ((rip = get_inode(fs_dev, fs_m_in.m_vfs_fs_stat.inode)) == NULL)
 	return(EINVAL);
 
-  r = stat_inode(rip, fs_m_in.m_source, (cp_grant_id_t) fs_m_in.REQ_GRANT);
+  r = stat_inode(rip, fs_m_in.m_source, fs_m_in.m_vfs_fs_stat.grant);
   put_inode(rip);		/* release the inode */
   return(r);
 }
diff --git a/servers/iso9660fs/stadir.c b/servers/iso9660fs/stadir.c
index 2db8eb30b..17f807214 100644
--- a/servers/iso9660fs/stadir.c
+++ b/servers/iso9660fs/stadir.c
@@ -83,8 +83,8 @@ int fs_stat()
   struct dir_record *dir;
   r = EINVAL;
 
-  if ((dir = get_dir_record(fs_m_in.REQ_INODE_NR)) != NULL) {
-	r = stat_dir_record(dir, 0, fs_m_in.m_source, fs_m_in.REQ_GRANT);
+  if ((dir = get_dir_record(fs_m_in.m_vfs_fs_stat.inode)) != NULL) {
+	r = stat_dir_record(dir, 0, fs_m_in.m_source, fs_m_in.m_vfs_fs_stat.grant);
 	release_dir_record(dir);
   } 
 
diff --git a/servers/mfs/stadir.c b/servers/mfs/stadir.c
index a5da2ea57..0ca88ec26 100644
--- a/servers/mfs/stadir.c
+++ b/servers/mfs/stadir.c
@@ -127,10 +127,10 @@ int fs_stat()
   register int r;              /* return value */
   register struct inode *rip;  /* target inode */
 
-  if ((rip = get_inode(fs_dev, (pino_t) fs_m_in.REQ_INODE_NR)) == NULL)
+  if ((rip = get_inode(fs_dev, fs_m_in.m_vfs_fs_stat.inode)) == NULL)
 	return(EINVAL);
   
-  r = stat_inode(rip, fs_m_in.m_source, (cp_grant_id_t) fs_m_in.REQ_GRANT);
+  r = stat_inode(rip, fs_m_in.m_source, fs_m_in.m_vfs_fs_stat.grant);
   put_inode(rip);		/* release the inode */
   return(r);
 }
diff --git a/servers/pfs/stadir.c b/servers/pfs/stadir.c
index e3909fec2..f0d27150a 100644
--- a/servers/pfs/stadir.c
+++ b/servers/pfs/stadir.c
@@ -62,9 +62,9 @@ int fs_stat(message *fs_m_in, message *fs_m_out)
   register int r;              /* return value */
   register struct inode *rip;  /* target inode */
 
-  if( (rip = find_inode(fs_m_in->REQ_INODE_NR)) == NULL) return(EINVAL);
+  if( (rip = find_inode(fs_m_in->m_vfs_fs_stat.inode)) == NULL) return(EINVAL);
   get_inode(rip->i_dev, rip->i_num);	/* mark inode in use */
-  r = stat_inode(rip, fs_m_in->m_source, (cp_grant_id_t) fs_m_in->REQ_GRANT);
+  r = stat_inode(rip, fs_m_in->m_source, fs_m_in->m_vfs_fs_stat.grant);
   put_inode(rip);			/* release the inode */
   return(r);
 }
diff --git a/servers/vfs/request.c b/servers/vfs/request.c
index 234c916bd..8fbbe6479 100644
--- a/servers/vfs/request.c
+++ b/servers/vfs/request.c
@@ -1092,8 +1092,8 @@ int req_stat_actual(endpoint_t fs_e, ino_t inode_nr, endpoint_t proc_e,
 
   /* Fill in request message */
   m.m_type = REQ_STAT;
-  m.REQ_INODE_NR = (pino_t) inode_nr;
-  m.REQ_GRANT = grant_id;
+  m.m_vfs_fs_stat.inode = inode_nr;
+  m.m_vfs_fs_stat.grant = grant_id;
 
   /* Send/rec request */
   r = fs_sendrec(fs_e, &m);