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authorEric Sandeen <sandeen@sandeen.net>2007-08-16 16:24:31 +1000
committerTim Shimmin <tes@chook.melbourne.sgi.com>2007-10-15 16:37:46 +1000
commit40906630f18fdf5ac27f5928c20f76eeac8fb0f0 (patch)
treed567e11ad9234ad37ed59213ad8344891d573c78 /fs/xfs/xfs_rw.h
parentcd8b0a97bd9216578a44a9bf82188cd901295964 (diff)
[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 <sandeen@sandeen.net> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_rw.h')
-rw-r--r--fs/xfs/xfs_rw.h26
1 files changed, 0 insertions, 26 deletions
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
@@ -23,32 +23,6 @@ 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
* file is a real time file or not, because the bmap code