#ifndef _UDF_I_H
#define _UDF_I_H

struct extent_position {
	struct buffer_head *bh;
	uint32_t offset;
	struct kernel_lb_addr block;
};

struct udf_ext_cache {
	/* Extent position */
	struct extent_position epos;
	/* Start logical offset in bytes */
	loff_t lstart;
};

/*
 * The i_data_sem and i_mutex serve for protection of allocation information
 * of a regular files and symlinks. This includes all extents belonging to
 * the file/symlink, a fact whether data are in-inode or in external data
 * blocks, preallocation, goal block information... When extents are read,
 * i_mutex or i_data_sem must be held (for reading is enough in case of
 * i_data_sem). When extents are changed, i_data_sem must be held for writing
 * and also i_mutex must be held.
 *
 * For directories i_mutex is used for all the necessary protection.
 */

struct udf_inode_info {
	struct timespec		i_crtime;
	/* Physical address of inode */
	struct kernel_lb_addr		i_location;
	__u64			i_unique;
	__u32			i_lenEAttr;
	__u32			i_lenAlloc;
	__u64			i_lenExtents;
	__u32			i_next_alloc_block;
	__u32			i_next_alloc_goal;
	__u32			i_checkpoint;
	unsigned		i_alloc_type : 3;
	unsigned		i_efe : 1;	/* extendedFileEntry */
	unsigned		i_use : 1;	/* unallocSpaceEntry */
	unsigned		i_strat4096 : 1;
	unsigned		reserved : 26;
	union {
		struct short_ad	*i_sad;
		struct long_ad		*i_lad;
		__u8		*i_data;
	} i_ext;
	struct rw_semaphore	i_data_sem;
	struct udf_ext_cache cached_extent;
	/* Spinlock for protecting extent cache */
	spinlock_t i_extent_cache_lock;
	struct inode vfs_inode;
};

static inline struct udf_inode_info *UDF_I(struct inode *inode)
{
	return container_of(inode, struct udf_inode_info, vfs_inode);
}

#endif /* _UDF_I_H) */
g</a><a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/wusbcore/wa-hc.h?id=10435c1192d06bdb0bac7666452d8219d7e7c477'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/wusbcore/wa-hc.h?id=10435c1192d06bdb0bac7666452d8219d7e7c477'>commit</a><a class='active' href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/wusbcore/wa-hc.h?id=10435c1192d06bdb0bac7666452d8219d7e7c477'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/drivers/usb/wusbcore/wa-hc.h'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/diff/?id=10435c1192d06bdb0bac7666452d8219d7e7c477'>root</a>/<a href='/cgit.cgi/linux/net-next.git/diff/drivers?id=10435c1192d06bdb0bac7666452d8219d7e7c477'>drivers</a>/<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb?id=10435c1192d06bdb0bac7666452d8219d7e7c477'>usb</a>/<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/wusbcore?id=10435c1192d06bdb0bac7666452d8219d7e7c477'>wusbcore</a>/<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/wusbcore/wa-hc.h?id=10435c1192d06bdb0bac7666452d8219d7e7c477'>wa-hc.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='10435c1192d06bdb0bac7666452d8219d7e7c477'/><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><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=10435c1192d06bdb0bac7666452d8219d7e7c477'>Diffstat</a> (limited to 'drivers/usb/wusbcore/wa-hc.h')</div><table summary='diffstat' class='diffstat'>