Replace the nasty if, else if, elseif condition with more natural C flow
that expressed the logic we want here better.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Index: xfs/fs/xfs/xfs_iomap.c
===================================================================
--- xfs.orig/fs/xfs/xfs_iomap.c 2011-10-20 10:54:46.556555806 +0200
+++ xfs/fs/xfs/xfs_iomap.c 2011-10-20 11:01:07.216121183 +0200
@@ -57,26 +57,26 @@ xfs_iomap_eof_align_last_fsb(
xfs_fileoff_t *last_fsb)
{
xfs_fileoff_t new_last_fsb = 0;
- xfs_extlen_t align;
+ xfs_extlen_t align = 0;
int eof, error;
- if (XFS_IS_REALTIME_INODE(ip))
- ;
- /*
- * If mounted with the "-o swalloc" option, roundup the allocation
- * request to a stripe width boundary if the file size is >=
- * stripe width and we are allocating past the allocation eof.
- */
- else if (mp->m_swidth && (mp->m_flags & XFS_MOUNT_SWALLOC) &&
- (ip->i_size >= XFS_FSB_TO_B(mp, mp->m_swidth)))
- new_last_fsb = roundup_64(*last_fsb, mp->m_swidth);
- /*
- * Roundup the allocation request to a stripe unit (m_dalign) boundary
- * if the file size is >= stripe unit size, and we are allocating past
- * the allocation eof.
- */
- else if (mp->m_dalign && (ip->i_size >= XFS_FSB_TO_B(mp, mp->m_dalign)))
- new_last_fsb = roundup_64(*last_fsb, mp->m_dalign);
+ if (!XFS_IS_REALTIME_INODE(ip)) {
+ /*
+ * Round up the allocation request to a stripe unit
+ * (m_dalign) boundary if the file size is >= stripe unit
+ * size, and we are allocating past the allocation eof.
+ *
+ * If mounted with the "-o swalloc" option the alignment is
+ * increased from the strip unit size to the stripe width.
+ */
+ if (mp->m_swidth && (mp->m_flags & XFS_MOUNT_SWALLOC))
+ align = mp->m_swidth;
+ else if (mp->m_dalign)
+ align = mp->m_dalign;
+
+ if (align && ip->i_size >= XFS_FSB_TO_B(mp, align))
+ new_last_fsb = roundup_64(*last_fsb, align);
+ }
/*
* Always round up the allocation request to an extent boundary
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