Added fat_getattrib.c and fat_setattrib.c

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@259 42af7a65-404d-4744-a932-0658087f49c3

10 files changed, 484 insertions, 13 deletions

diff --git a/nuttx/ChangeLog b/nuttx/ChangeLog
index 56ea043b7..e7dba2db7 100644
--- a/nuttx/ChangeLog
+++ b/nuttx/ChangeLog
@@ -153,5 +153,6 @@
 	* Added stat() to fs layer
 	* Added stat() supported to FAT
 	* Fixed reference counting errors associated with mounted filesystems
+	* Added fat_getattrib() and fat_setattrib()
 	* Started m68322
 
diff --git a/nuttx/Documentation/NuttX.html b/nuttx/Documentation/NuttX.html
index 96b9e8221..0706b2f4c 100644
--- a/nuttx/Documentation/NuttX.html
+++ b/nuttx/Documentation/NuttX.html
@@ -587,6 +587,7 @@ Other memory:
 	* Added stat() to fs layer
 	* Added stat() supported to FAT
 	* Fixed reference counting errors associated with mounted filesystems
+	* Added fat_getattrib() and fat_setattrib()
 	* Started m68322
 </pre></ul>
 
diff --git a/nuttx/fs/Makefile b/nuttx/fs/Makefile
index a61d811d8..49fdce3a5 100644
--- a/nuttx/fs/Makefile
+++ b/nuttx/fs/Makefile
@@ -51,7 +51,7 @@ CSRCS		+= fs_registerblockdriver.c fs_unregisterblockdriver.c \
 		  fs_mount.c fs_umount.c fs_unlink.c fs_mkdir.c fs_rmdir.c \
 		  fs_rename.c
 ifeq ($(CONFIG_FS_FAT),y)
-CSRCS		+= fs_fat32.c fs_fat32util.c
+CSRCS		+= fs_fat32.c fs_fat32util.c fs_fat32attrib.c
 endif
 endif
 COBJS		= $(CSRCS:.c=$(OBJEXT))
diff --git a/nuttx/fs/fs_fat32.c b/nuttx/fs/fs_fat32.c
index 098353cd5..6aa58710f 100644
--- a/nuttx/fs/fs_fat32.c
+++ b/nuttx/fs/fs_fat32.c
@@ -55,6 +55,7 @@
 #include <debug.h>
 
 #include <nuttx/fs.h>
+#include <nuttx/fat.h>
 
 #include "fs_internal.h"
 #include "fs_fat32.h"
diff --git a/nuttx/fs/fs_fat32.h b/nuttx/fs/fs_fat32.h
index b654e0006..ff516be00 100644
--- a/nuttx/fs/fs_fat32.h
+++ b/nuttx/fs/fs_fat32.h
@@ -135,18 +135,6 @@
 #define FATNTRES_LCNAME   0x08 /* Lower case in name */
 #define FATNTRES_LCEXT    0x10 /* Lower case in extension */
 
-/* File attribute bits in FAT directory entry */
-
-#define FATATTR_READONLY  0x01
-#define FATATTR_HIDDEN    0x02
-#define FATATTR_SYSTEM    0x04
-#define FATATTR_VOLUMEID  0x08
-#define FATATTR_DIRECTORY 0x10
-#define FATATTR_ARCHIVE   0x20
-
-#define FATATTR_LONGNAME \
-  (FATATTR_READONLY|FATATTR_HIDDEN|FATATTR_SYSTEM|FATATTR_VOLUMEID)
-
 /* Directory indexing helper.  Each directory entry is 32-bytes in length.
  * The number of directory entries in a sector then varies with the size
  * of the sector supported in hardware.
diff --git a/nuttx/fs/fs_fat32attrib.c b/nuttx/fs/fs_fat32attrib.c
new file mode 100644
index 000000000..6c7c8c6b3
--- /dev/null
+++ b/nuttx/fs/fs_fat32attrib.c
@@ -0,0 +1,194 @@
+/************************************************************
+ * fs_fat32attrib.c
+ *
+ *   Copyright (C) 2007 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name Gregory Nutt nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************/
+
+/************************************************************
+ * Compilation Switches
+ ************************************************************/
+
+/************************************************************
+ * Included Files
+ ************************************************************/
+
+#include <nuttx/config.h>
+#include <sys/types.h>
+#include <errno.h>
+
+#include <nuttx/fs.h>
+#include <nuttx/fat.h>
+
+#include "fs_internal.h"
+#include "fs_fat32.h"
+
+#if defined(CONFIG_FS_FAT) && !defined(CONFIG_DISABLE_MOUNTPOUNT)
+
+/************************************************************
+ * Private Functions
+ ************************************************************/
+
+/************************************************************
+ * Name: fat_attrib
+ ************************************************************/
+
+static int fat_attrib(const char *path, fat_attrib_t *retattrib,
+                      fat_attrib_t setbits, fat_attrib_t clearbits)
+{
+  struct fat_mountpt_s *fs;
+  struct fat_dirinfo_s  dirinfo;
+  FAR struct inode     *inode;
+  const char             *relpath = NULL;
+  ubyte                   oldattributes;
+  ubyte                   newattributes;
+  int                     ret;
+
+  /* Get an inode for this file */
+
+  inode = inode_find(path, &relpath);
+  if (!inode)
+    {
+      /* There is no mountpoint that includes in this path */
+
+      ret = ENOENT;
+      goto errout;
+    }
+
+  /* Verify that the inode is a valid mountpoint. */
+
+  if (!INODE_IS_MOUNTPT(inode) || !inode->u.i_mops || !inode->i_private)
+    {
+      ret = ENXIO;
+      goto errout_with_inode;
+    }
+
+  /* Get the mountpoint private data from the inode structure */
+
+  fs = inode->i_private;
+
+  /* Check if the mount is still healthy */
+
+  fat_semtake(fs);
+  ret = fat_checkmount(fs);
+  if (ret != OK)
+    {
+      goto errout_with_semaphore;
+    }
+
+  /* Find the file/directory entry for the oldrelpath */
+
+  ret = fat_finddirentry(fs, &dirinfo, relpath);
+  if (ret != OK)
+    {
+      /* Some error occurred -- probably -ENOENT */
+
+      goto errout_with_semaphore;
+    }
+
+  /* Make sure that we found some valid file or directory */
+
+  if (!dirinfo.fd_entry)
+    {
+      /* Ooops.. we found the root directory */
+
+      ret = EACCES;
+      goto errout_with_semaphore;
+    }
+
+  /* Get the current attributes */
+
+  oldattributes = DIR_GETATTRIBUTES(dirinfo.fd_entry);
+  newattributes = oldattributes;
+
+  /* Set or clear any bits as requested */
+
+  newattributes &= ~(clearbits & (FATATTR_READONLY|FATATTR_HIDDEN|FATATTR_SYSTEM|FATATTR_ARCHIVE));
+  newattributes |=  (setbits   & (FATATTR_READONLY|FATATTR_HIDDEN|FATATTR_SYSTEM|FATATTR_ARCHIVE));
+
+  /* Did any thingchange? */
+
+  if (newattributes != oldattributes)
+    {
+      DIR_PUTATTRIBUTES(dirinfo.fd_entry, newattributes);
+      fs->fs_dirty = TRUE;
+      ret = fat_updatefsinfo(fs);
+      if (ret != OK)
+        {
+          ret = -ret;
+          goto errout_with_semaphore;
+        }
+    }
+
+  /* Success */
+
+  if (retattrib)
+    {
+      *retattrib = newattributes;
+    }
+
+  fat_semgive(fs);
+  inode_release(inode);
+  return OK;
+
+errout_with_semaphore:
+  fat_semgive(fs);
+errout_with_inode:
+  inode_release(inode);
+errout:
+  *get_errno_ptr() = ret;
+  return ERROR;
+}
+
+/************************************************************
+ * Global Functions
+ ************************************************************/
+
+/************************************************************
+ * Name: fat_getattrib
+ ************************************************************/
+
+int fat_getattrib(const char *path, fat_attrib_t *attrib)
+{
+  return fat_attrib(path, attrib, 0, 0);
+}
+
+/************************************************************
+ * Name: fat_setattrib
+ ************************************************************/
+
+int fat_setattrib(const char *path, fat_attrib_t setbits, fat_attrib_t clearbits)
+{
+  return fat_attrib(path, NULL, setbits, clearbits);
+}
+
+#endif /* CONFIG_FS_FAT && !CONFIG_DISABLE_MOUNTPOUNT */
+
diff --git a/nuttx/fs/fs_fat32util.c b/nuttx/fs/fs_fat32util.c
index be36d6f75..f68d4cf1b 100644
--- a/nuttx/fs/fs_fat32util.c
+++ b/nuttx/fs/fs_fat32util.c
@@ -53,6 +53,7 @@
 #include <debug.h>
 
 #include <nuttx/fs.h>
+#include <nuttx/fat.h>
 
 #include "fs_internal.h"
 #include "fs_fat32.h"
diff --git a/nuttx/include/nuttx/fat.h b/nuttx/include/nuttx/fat.h
new file mode 100644
index 000000000..db9a4a902
--- /dev/null
+++ b/nuttx/include/nuttx/fat.h
@@ -0,0 +1,90 @@
+/************************************************************
+ * nuttx/fat.h
+ *
+ *   Copyright (C) 2007 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name Gregory Nutt nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************/
+
+#ifndef __SYS_FAT_H
+#define __SYS_FAT_H
+
+/************************************************************
+ * Included Files
+ ************************************************************/
+
+#include <sys/types.h>
+
+/************************************************************
+ * Type Definitions
+ ************************************************************/
+
+/* File attribute bits in FAT directory entry */
+
+#define FATATTR_READONLY  0x01
+#define FATATTR_HIDDEN    0x02
+#define FATATTR_SYSTEM    0x04
+#define FATATTR_VOLUMEID  0x08
+#define FATATTR_DIRECTORY 0x10
+#define FATATTR_ARCHIVE   0x20
+
+#define FATATTR_LONGNAME \
+  (FATATTR_READONLY|FATATTR_HIDDEN|FATATTR_SYSTEM|FATATTR_VOLUMEID)
+
+/************************************************************
+ * Type Definitions
+ ************************************************************/
+
+typedef ubyte fat_attrib_t;
+
+/************************************************************
+ * Public Function Prototypes
+ ************************************************************/
+
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+/* Non-standard functions to get and set FAT fire/directgory
+ * attributes
+ */
+
+EXTERN int fat_getattrib(const char *path, fat_attrib_t *attrib);
+EXTERN int fat_setattrib(const char *path, fat_attrib_t setbits, fat_attrib_t clearbits);
+
+#undef EXTERN
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __SYS_FAT_H */
diff --git a/nuttx/include/sys/statfs.h b/nuttx/include/sys/statfs.h
new file mode 100644
index 000000000..7baf4be6f
--- /dev/null
+++ b/nuttx/include/sys/statfs.h
@@ -0,0 +1,138 @@
+/************************************************************
+ * sys/statfs.h
+ *
+ *   Copyright (C) 2007 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name Gregory Nutt nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************/
+
+#ifndef __SYS_STATFS_H
+#define __SYS_STATFS_H
+
+/************************************************************
+ * Included Files
+ ************************************************************/
+
+#include <nuttx/config.h>
+#include <sys/types.h>
+
+/************************************************************
+ * Definitions
+ ************************************************************/
+
+/* struct statfs file system types. */
+
+#define ADFS_SUPER_MAGIC      0xadf5
+#define AFFS_SUPER_MAGIC      0xADFF
+#define BEFS_SUPER_MAGIC      0x42465331
+#define BFS_MAGIC             0x1BADFACE
+#define CIFS_MAGIC_NUMBER     0xFF534D42
+#define CODA_SUPER_MAGIC      0x73757245
+#define COH_SUPER_MAGIC       0x012FF7B7
+#define CRAMFS_MAGIC          0x28cd3d45
+#define DEVFS_SUPER_MAGIC     0x1373
+#define EFS_SUPER_MAGIC       0x00414A53
+#define EXT_SUPER_MAGIC       0x137D
+#define EXT2_OLD_SUPER_MAGIC  0xEF51
+#define EXT2_SUPER_MAGIC      0xEF53
+#define EXT3_SUPER_MAGIC      0xEF53
+#define HFS_SUPER_MAGIC       0x4244
+#define HPFS_SUPER_MAGIC      0xF995E849
+#define HUGETLBFS_MAGIC       0x958458f6
+#define ISOFS_SUPER_MAGIC     0x9660
+#define JFFS2_SUPER_MAGIC     0x72b6
+#define JFS_SUPER_MAGIC       0x3153464a
+#define MINIX_SUPER_MAGIC     0x137F /* orig. minix */
+#define MINIX_SUPER_MAGIC2    0x138F /* 30 char minix */
+#define MINIX2_SUPER_MAGIC    0x2468 /* minix V2 */
+#define MINIX2_SUPER_MAGIC2   0x2478 /* minix V2, 30 char names */
+#define MSDOS_SUPER_MAGIC     0x4d44
+#define NCP_SUPER_MAGIC       0x564c
+#define NFS_SUPER_MAGIC       0x6969
+#define NTFS_SB_MAGIC         0x5346544e
+#define OPENPROM_SUPER_MAGIC  0x9fa1
+#define PROC_SUPER_MAGIC      0x9fa0
+#define QNX4_SUPER_MAGIC      0x002f
+#define REISERFS_SUPER_MAGIC  0x52654973
+#define ROMFS_MAGIC           0x7275
+#define SMB_SUPER_MAGIC       0x517B
+#define SYSV2_SUPER_MAGIC     0x012FF7B6
+#define SYSV4_SUPER_MAGIC     0x012FF7B5
+#define TMPFS_MAGIC           0x01021994
+#define UDF_SUPER_MAGIC       0x15013346
+#define UFS_MAGIC             0x00011954
+#define USBDEVICE_SUPER_MAGIC 0x9fa2
+#define VXFS_SUPER_MAGIC      0xa501FCF5
+#define XENIX_SUPER_MAGIC     0x012FF7B4
+#define XFS_SUPER_MAGIC       0x58465342
+#define _XIAFS_SUPER_MAGIC    0x012FD16D
+
+/************************************************************
+ * Type Definitions
+ ************************************************************/
+
+struct statfs
+{
+  uint32 f_type;     /* Type of filesystem (see definitions above) */
+  size_t f_bsize;    /* Optimal block size for transfers */
+  size_t f_blocks;   /* Totat data blocks in the file system of this size */
+  size_t f_bfree;    /* Free blocks in the file system */
+  size_t f_bavail;   /* Free blocks avail to non-superuser */
+  size_t f_files;    /* Total file nodes in the file system */
+  size_t f_ffree;    /* Free file nodes in the file system */
+  uint32 f_namelen;  /* Maximum length of filenames */
+};
+
+/************************************************************
+ * Public Function Prototypes
+ ************************************************************/
+
+#undef EXTERN
+#if defined(__cplusplus)
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+/* Inspired by Linux statfs() which was, in turn, inspired by
+ * the BSD statfs(). None of these implementations agree in the
+ * form of the struct statfs.
+ */
+
+EXTERN int statfs(const char *path, struct statfs *buf);
+EXTERN int fstatfs(int fd, struct statfs *buf);
+
+#undef EXTERN
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* __SYS_STATFS_H */
diff --git a/nuttx/include/sys/vfs.h b/nuttx/include/sys/vfs.h
new file mode 100644
index 000000000..d1633f5ec
--- /dev/null
+++ b/nuttx/include/sys/vfs.h
@@ -0,0 +1,57 @@
+/************************************************************
+ * sys/vfs.h
+ *
+ *   Copyright (C) 2007 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name Gregory Nutt nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************/
+
+#ifndef __SYS_VFS_H
+#define __SYS_VFS_H
+
+/************************************************************
+ * Included Files
+ ************************************************************/
+
+/* sys/vfs.h is just an alternative location for the
+ * information in sys/statfs.h.
+ */
+
+#include <sys/statfs.h>
+
+/************************************************************
+ * Type Definitions
+ ************************************************************/
+
+/************************************************************
+ * Public Function Prototypes
+ ************************************************************/
+
+#endif /* __SYS_VFS_H */