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[XFS] choose single default logbuf count & size

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Remove sizing of logbuf size & count based on physical memory; this was
never a very good gauge as it's looking at global memory, but deciding on
sizing per-filesystem; no account is made of the total number of
filesystems, for example.

For now just take the largest "default" case, as was set for machines with
>400MB - 8 x 32k buffers. This can always be tuned higher or lower with
mount options if necessary. Removes one more user of xfs_physmem.

SGI-PV: 968563
SGI-Modid: xfs-linux-melb:xfs-kern:29323a

Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
This commit is contained in:
Eric Sandeen
2007-08-16 16:24:43 +10:00
committed by Tim Shimmin
parent 40906630f1
commit 1cb5125875
2 changed files with 7 additions and 27 deletions
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1
fs/xfs/xfs_log_priv.h
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@ -30,7 +30,6 @@ struct xfs_mount;
*/
#define XLOG_MIN_ICLOGS 2
#define XLOG_MED_ICLOGS 4
#define XLOG_MAX_ICLOGS 8
#define XLOG_HEADER_MAGIC_NUM 0xFEEDbabe /* Invalid cycle number */
#define XLOG_VERSION_1 1