From 40906630f18fdf5ac27f5928c20f76eeac8fb0f0 Mon Sep 17 00:00:00 2001 From: Eric Sandeen Date: Thu, 16 Aug 2007 16:24:31 +1000 Subject: [XFS] Remove m_nreadaheads m_nreadaheads in the mount struct is never used; remove it and the various macros assigned to it. Also remove a couple other unused macros in the same areas. Removes one user of xfs_physmem. SGI-PV: 968563 SGI-Modid: xfs-linux-melb:xfs-kern:29322a Signed-off-by: Eric Sandeen Signed-off-by: David Chinner Signed-off-by: Tim Shimmin --- fs/xfs/xfs_rw.h | 26 -------------------------- 1 file changed, 26 deletions(-) (limited to 'fs/xfs/xfs_rw.h') diff --git a/fs/xfs/xfs_rw.h b/fs/xfs/xfs_rw.h index fcf28dbded7c..943bddde83c6 100644 --- a/fs/xfs/xfs_rw.h +++ b/fs/xfs/xfs_rw.h @@ -22,32 +22,6 @@ struct xfs_buf; struct xfs_inode; struct xfs_mount; -/* - * Maximum count of bmaps used by read and write paths. - */ -#define XFS_MAX_RW_NBMAPS 4 - -/* - * Counts of readahead buffers to use based on physical memory size. - * None of these should be more than XFS_MAX_RW_NBMAPS. - */ -#define XFS_RW_NREADAHEAD_16MB 2 -#define XFS_RW_NREADAHEAD_32MB 3 -#define XFS_RW_NREADAHEAD_K32 4 -#define XFS_RW_NREADAHEAD_K64 4 - -/* - * Maximum size of a buffer that we\'ll map. Making this - * too big will degrade performance due to the number of - * pages which need to be gathered. Making it too small - * will prevent us from doing large I/O\'s to hardware that - * needs it. - * - * This is currently set to 512 KB. - */ -#define XFS_MAX_BMAP_LEN_BB 1024 -#define XFS_MAX_BMAP_LEN_BYTES 524288 - /* * Convert the given file system block to a disk block. * We have to treat it differently based on whether the -- cgit v1.2.3