int
rtems_rfs_buffer_bdbuf_request (rtems_rfs_file_system* fs,
rtems_rfs_buffer_block block,
bool read,
rtems_rfs_buffer** buffer)
{
rtems_status_code sc;
int rc = 0;
if (read)
sc = rtems_bdbuf_read (rtems_rfs_fs_device (fs), block, buffer);
else
sc = rtems_bdbuf_get (rtems_rfs_fs_device (fs), block, buffer);
if (sc != RTEMS_SUCCESSFUL)
{
#if RTEMS_RFS_BUFFER_ERRORS
printf ("rtems-rfs: buffer-bdbuf-request: block=%lu: bdbuf-%s: %d: %s\n",
block, read ? "read" : "get", sc, rtems_status_text (sc));
#endif
rc = EIO;
}
return rc;
}
int
rtems_rfs_buffer_sync (rtems_rfs_file_system* fs)
{
int result = 0;
#if RTEMS_RFS_USE_LIBBLOCK
rtems_status_code sc;
#endif
if (rtems_rfs_trace (RTEMS_RFS_TRACE_BUFFER_SYNC))
printf ("rtems-rfs: buffer-sync: syncing\n");
/*
* @todo Split in the separate files for each type.
*/
#if RTEMS_RFS_USE_LIBBLOCK
sc = rtems_bdbuf_syncdev (rtems_rfs_fs_device (fs));
if (sc != RTEMS_SUCCESSFUL)
{
if (rtems_rfs_trace (RTEMS_RFS_TRACE_BUFFER_SYNC))
printf ("rtems-rfs: buffer-sync: device sync failed: %s\n",
rtems_status_text (sc));
result = EIO;
}
rtems_disk_release (fs->disk);
#else
if (fsync (fs->device) < 0)
{
result = errno;
if (rtems_rfs_trace (RTEMS_RFS_TRACE_BUFFER_CLOSE))
printf ("rtems-rfs: buffer-sync: file sync failed: %d: %s\n",
result, strerror (result));
}
#endif
return result;
}
static int
rtems_rfs_shell_data (rtems_rfs_file_system* fs, int argc, char *argv[])
{
size_t blocks;
size_t inodes;
int bpcent;
int ipcent;
printf ("RFS Filesystem Data\n");
printf (" flags: %08" PRIx32 "\n", fs->flags);
#if 0
printf (" device: %08lx\n", rtems_rfs_fs_device (fs));
#endif
printf (" blocks: %zu\n", rtems_rfs_fs_blocks (fs));
printf (" block size: %zu\n", rtems_rfs_fs_block_size (fs));
printf (" size: %" PRIu64 "\n", rtems_rfs_fs_size (fs));
printf (" media block size: %" PRIu32 "\n", rtems_rfs_fs_media_block_size (fs));
printf (" media size: %" PRIu64 "\n", rtems_rfs_fs_media_size (fs));
printf (" inodes: %" PRIu32 "\n", rtems_rfs_fs_inodes (fs));
printf (" bad blocks: %" PRIu32 "\n", fs->bad_blocks);
printf (" max. name length: %" PRIu32 "\n", rtems_rfs_fs_max_name (fs));
printf (" groups: %d\n", fs->group_count);
printf (" group blocks: %zd\n", fs->group_blocks);
printf (" group inodes: %zd\n", fs->group_inodes);
printf (" inodes per block: %zd\n", fs->inodes_per_block);
printf (" blocks per block: %zd\n", fs->blocks_per_block);
printf (" singly blocks: %zd\n", fs->block_map_singly_blocks);
printf (" doublly blocks: %zd\n", fs->block_map_doubly_blocks);
printf (" max. held buffers: %" PRId32 "\n", fs->max_held_buffers);
rtems_rfs_shell_lock_rfs (fs);
rtems_rfs_group_usage (fs, &blocks, &inodes);
rtems_rfs_shell_unlock_rfs (fs);
bpcent = (blocks * 1000) / rtems_rfs_fs_blocks (fs);
ipcent = (inodes * 1000) / rtems_rfs_fs_inodes (fs);
printf (" blocks used: %zd (%d.%d%%)\n",
blocks, bpcent / 10, bpcent % 10);
printf (" inodes used: %zd (%d.%d%%)\n",
inodes, ipcent / 10, ipcent % 10);
return 0;
}
int
rtems_rfs_rtems_fstat (const rtems_filesystem_location_info_t* pathloc,
struct stat* buf)
{
rtems_rfs_file_system* fs = rtems_rfs_rtems_pathloc_dev (pathloc);
rtems_rfs_ino ino = rtems_rfs_rtems_get_pathloc_ino (pathloc);
rtems_rfs_inode_handle inode;
rtems_rfs_file_shared* shared;
uint16_t mode;
int rc;
if (rtems_rfs_rtems_trace (RTEMS_RFS_RTEMS_DEBUG_STAT))
printf ("rtems-rfs-rtems: stat: in: ino:%" PRId32 "\n", ino);
rc = rtems_rfs_inode_open (fs, ino, &inode, true);
if (rc)
{
return rtems_rfs_rtems_error ("stat: opening inode", rc);
}
mode = rtems_rfs_inode_get_mode (&inode);
if (RTEMS_RFS_S_ISCHR (mode) || RTEMS_RFS_S_ISBLK (mode))
{
buf->st_rdev =
rtems_filesystem_make_dev_t (rtems_rfs_inode_get_block (&inode, 0),
rtems_rfs_inode_get_block (&inode, 1));
}
buf->st_dev = rtems_rfs_fs_device (fs);
buf->st_ino = rtems_rfs_inode_ino (&inode);
buf->st_mode = rtems_rfs_rtems_mode (mode);
buf->st_nlink = rtems_rfs_inode_get_links (&inode);
buf->st_uid = rtems_rfs_inode_get_uid (&inode);
buf->st_gid = rtems_rfs_inode_get_gid (&inode);
/*
* Need to check is the ino is an open file. If so we take the values from
* the open file rather than the inode.
*/
shared = rtems_rfs_file_get_shared (fs, rtems_rfs_inode_ino (&inode));
if (shared)
{
buf->st_atime = rtems_rfs_file_shared_get_atime (shared);
buf->st_mtime = rtems_rfs_file_shared_get_mtime (shared);
buf->st_ctime = rtems_rfs_file_shared_get_ctime (shared);
buf->st_blocks = rtems_rfs_file_shared_get_block_count (shared);
if (S_ISLNK (buf->st_mode))
buf->st_size = rtems_rfs_file_shared_get_block_offset (shared);
else
buf->st_size = rtems_rfs_file_shared_get_size (fs, shared);
}
else
{
buf->st_atime = rtems_rfs_inode_get_atime (&inode);
buf->st_mtime = rtems_rfs_inode_get_mtime (&inode);
buf->st_ctime = rtems_rfs_inode_get_ctime (&inode);
buf->st_blocks = rtems_rfs_inode_get_block_count (&inode);
if (S_ISLNK (buf->st_mode))
buf->st_size = rtems_rfs_inode_get_block_offset (&inode);
else
buf->st_size = rtems_rfs_inode_get_size (fs, &inode);
}
buf->st_blksize = rtems_rfs_fs_block_size (fs);
rc = rtems_rfs_inode_close (fs, &inode);
if (rc > 0)
{
return rtems_rfs_rtems_error ("stat: closing inode", rc);
}
return 0;
}
