diff options
| author | Dave Chinner <dchinner@redhat.com> | 2010-09-22 10:47:20 +1000 |
|---|---|---|
| committer | Alex Elder <aelder@sgi.com> | 2010-10-18 15:07:51 -0500 |
| commit | 69d6cc76cff3573ceefda178b75e20878866fdc3 (patch) | |
| tree | c26739c748ecd4e869b1c429c82b0618fddf7ccb | |
| parent | 1922c949c59f93beb560d59874bcc6d5c00115ac (diff) | |
xfs: remove buftarg hash for external devices
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>
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_buf.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c index 975d6589394..251bcdc6352 100644 --- a/fs/xfs/linux-2.6/xfs_buf.c +++ b/fs/xfs/linux-2.6/xfs_buf.c @@ -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++) { |