xfs-linux/xfs_vnodeops.c - diff

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version 1.773, 2008/08/29 04:08:54	version 1.774, 2008/09/05 06:13:54
Line 3160 error1: /* Just cancel transaction */	Line 3160 error1: /* Just cancel transaction */
/*	/*
* Zero file bytes between startoff and endoff inclusive.	* Zero file bytes between startoff and endoff inclusive.
* The iolock is held exclusive and no blocks are buffered.	* The iolock is held exclusive and no blocks are buffered.
	*
	* This function is used by xfs_free_file_space() to zero
	* partial blocks when the range to free is not block aligned.
	* When unreserving space with boundaries that are not block
	* aligned we round up the start and round down the end
	* boundaries and then use this function to zero the parts of
	* the blocks that got dropped during the rounding.
*/	*/
STATIC int	STATIC int
xfs_zero_remaining_bytes(	xfs_zero_remaining_bytes(
Line 3176 xfs_zero_remaining_bytes(	Line 3183 xfs_zero_remaining_bytes(
int nimap;	int nimap;
int error = 0;	int error = 0;

	/*
	* Avoid doing I/O beyond eof - it's not necessary
	* since nothing can read beyond eof. The space will
	* be zeroed when the file is extended anyway.
	*/
	if (startoff >= ip->i_size)
	return 0;

	if (endoff > ip->i_size)
	endoff = ip->i_size;

bp = xfs_buf_get_noaddr(mp->m_sb.sb_blocksize,	bp = xfs_buf_get_noaddr(mp->m_sb.sb_blocksize,
XFS_IS_REALTIME_INODE(ip) ?	XFS_IS_REALTIME_INODE(ip) ?
mp->m_rtdev_targp : mp->m_ddev_targp);	mp->m_rtdev_targp : mp->m_ddev_targp);