Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

xfs: remove buftarg hash for external devices

Browse source 
For RT and external log devices, we never use hashed buffers on them
now.  Remove the buftarg hash tables that are set up for them.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Alex Elder <aelder@sgi.com>
This commit is contained in:
Dave Chinner 2010-09-22 10:47:20 +10:00 committed by Alex Elder
parent 1922c949c5
commit 69d6cc76cf
1 changed files with 5 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
fs/xfs/linux-2.6/xfs_buf.c
View file

@ -1458,7 +1458,11 @@ xfs_alloc_bufhash(
{
unsigned int i;
btp->bt_hashshift = external ? 3 : 12; /* 8 or 4096 buckets */
if (external) {
btp->bt_hash = NULL;
return;
}
btp->bt_hashshift = 12; /* 4096 buckets */
btp->bt_hash = kmem_zalloc_large((1 << btp->bt_hashshift) *
sizeof(xfs_bufhash_t));
for (i = 0; i < (1 << btp->bt_hashshift); i++) {