/*
 * inode.c
 *
 * Copyright (C) 2001 Will Dyson <will_dyson@pobox.com>
 */

#include <linux/fs.h>

#include "befs.h"
#include "inode.h"

/*
 * Validates the correctness of the befs inode
 * Returns BEFS_OK if the inode should be used, otherwise
 * returns BEFS_BAD_INODE
 */
int
befs_check_inode(struct super_block *sb, befs_inode *raw_inode,
		 befs_blocknr_t inode)
{
	u32 magic1 = fs32_to_cpu(sb, raw_inode->magic1);
	befs_inode_addr ino_num = fsrun_to_cpu(sb, raw_inode->inode_num);
	u32 flags = fs32_to_cpu(sb, raw_inode->flags);

	/* check magic header. */
	if (magic1 != BEFS_INODE_MAGIC1) {
		befs_error(sb,
			   "Inode has a bad magic header - inode = %lu",
			   (unsigned long)inode);
		return BEFS_BAD_INODE;
	}

	/*
	 * Sanity check2: inodes store their own block address. Check it.
	 */
	if (inode != iaddr2blockno(sb, &ino_num)) {
		befs_error(sb, "inode blocknr field disagrees with vfs "
			   "VFS: %lu, Inode %lu", (unsigned long)
			   inode, (unsigned long)iaddr2blockno(sb, &ino_num));
		return BEFS_BAD_INODE;
	}

	/*
	 * check flag
	 */

	if (!(flags & BEFS_INODE_IN_USE)) {
		befs_error(sb, "inode is not used - inode = %lu",
			   (unsigned long)inode);
		return BEFS_BAD_INODE;
	}

	return BEFS_OK;
}
t-rx-pump-back'>packet-rx-pump-back</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
<table class='tabs'><tr><td>
<a href='/cgit.cgi/linux/net-next.git/?h=nds-private-remove'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?h=nds-private-remove&amp;id=50f008e583d11b3133f23f29b05a0fcac2af3b40'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove'>log</a><a class='active' href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=50f008e583d11b3133f23f29b05a0fcac2af3b40'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=50f008e583d11b3133f23f29b05a0fcac2af3b40'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=50f008e583d11b3133f23f29b05a0fcac2af3b40'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/'>
<input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='50f008e583d11b3133f23f29b05a0fcac2af3b40'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='content'><table summary='tree listing' class='list'>
<tr class='nohover'><th class='left'>Mode</th><th class='left'>Name</th><th class='right'>Size</th><th/></tr>