#include <linux/buffer_head.h>
#include "minix.h"

enum {DIRECT = 7, DEPTH = 4};	/* Have triple indirect */

typedef u32 block_t;	/* 32 bit, host order */

static inline unsigned long block_to_cpu(block_t n)
{
	return n;
}

static inline block_t cpu_to_block(unsigned long n)
{
	return n;
}

static inline block_t *i_data(struct inode *inode)
{
	return (block_t *)minix_i(inode)->u.i2_data;
}

#define DIRCOUNT 7
#define INDIRCOUNT(sb) (1 << ((sb)->s_blocksize_bits - 2))

static int block_to_path(struct inode * inode, long block, int offsets[DEPTH])
{
	int n = 0;
	struct super_block *sb = inode->i_sb;

	if (block < 0) {
		printk("MINIX-fs: block_to_path: block %ld < 0 on dev %pg\n",
			block, sb->s_bdev);
	} else if ((u64)block * (u64)sb->s_blocksize >=
			minix_sb(sb)->s_max_size) {
		if (printk_ratelimit())
			printk("MINIX-fs: block_to_path: "
			       "block %ld too big on dev %pg\n",
				block, sb->s_bdev);
	} else if (block < DIRCOUNT) {
		offsets[n++] = block;
	} else if ((block -= DIRCOUNT) < INDIRCOUNT(sb)) {
		offsets[n++] = DIRCOUNT;
		offsets[n++] = block;
	} else if ((block -= INDIRCOUNT(sb)) < INDIRCOUNT(sb) * INDIRCOUNT(sb)) {
		offsets[n++] = DIRCOUNT + 1;
		offsets[n++] = block / INDIRCOUNT(sb);
		offsets[n++] = block % INDIRCOUNT(sb);
	} else {
		block -= INDIRCOUNT(sb) * INDIRCOUNT(sb);
		offsets[n++] = DIRCOUNT + 2;
		offsets[n++] = (block / INDIRCOUNT(sb)) / INDIRCOUNT(sb);
		offsets[n++] = (block / INDIRCOUNT(sb)) % INDIRCOUNT(sb);
		offsets[n++] = block % INDIRCOUNT(sb);
	}
	return n;
}

#include "itree_common.c"

int V2_minix_get_block(struct inode * inode, long block,
			struct buffer_head *bh_result, int create)
{
	return get_block(inode, block, bh_result, create);
}

void V2_minix_truncate(struct inode * inode)
{
	truncate(inode);
}

unsigned V2_minix_blocks(loff_t size, struct super_block *sb)
{
	return nblocks(size, sb);
}
'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/?id=f6973c09490c919398fc87d9c6bec9c0b670c4c4'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/'>
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<div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='f6973c09490c919398fc87d9c6bec9c0b670c4c4'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Yan, Zheng &lt;zyan@redhat.com&gt;</td><td class='right'>2016-05-20 16:57:29 +0800</td></tr>
<tr><th>committer</th><td>Ilya Dryomov &lt;idryomov@gmail.com&gt;</td><td class='right'>2016-06-01 10:32:14 +0200</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?id=f6973c09490c919398fc87d9c6bec9c0b670c4c4'>f6973c09490c919398fc87d9c6bec9c0b670c4c4</a> (<a href='/cgit.cgi/linux/net-next.git/patch/?id=f6973c09490c919398fc87d9c6bec9c0b670c4c4'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=f6973c09490c919398fc87d9c6bec9c0b670c4c4'>4061025b3d42d10f0b4f6b07c9113ca8f9e8f3ee</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?id=f7f7e7a0635dedd5064fba255cb3facfa87b06d6'>f7f7e7a0635dedd5064fba255cb3facfa87b06d6</a> (<a href='/cgit.cgi/linux/net-next.git/diff/?id=f6973c09490c919398fc87d9c6bec9c0b670c4c4&amp;id2=f7f7e7a0635dedd5064fba255cb3facfa87b06d6'>diff</a>)</td></tr></table>
<div class='commit-subject'>ceph: use i_version to check validity of fscache</div><div class='commit-msg'>Signed-off-by: Yan, Zheng &lt;zyan@redhat.com&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=f6973c09490c919398fc87d9c6bec9c0b670c4c4'>Diffstat</a></div><table summary='diffstat' class='diffstat'>