diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-09-07 15:44:28 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-09-07 15:44:28 -0700 |
| commit | fa2925cf90e612cb9c10c45d0cb8a7c7332e56a7 (patch) | |
| tree | b836666993fac5c9a157c2cb756c33fb66cb13e8 /fs/xfs/linux-2.6/xfs_buf.c | |
| parent | 98e52c373cdc1239a9ec6a2763f519cc1d99dcbc (diff) | |
| parent | cb7a93412ab52361bc255cbe2c767e0741c09f43 (diff) | |
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
* 'for-linus' of git://oss.sgi.com/xfs/xfs:
xfs: Make fiemap work with sparse files
xfs: prevent 32bit overflow in space reservation
xfs: Disallow 32bit project quota id
xfs: improve buffer cache hash scalability
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_buf.c')
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_buf.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c index ea79072f5210..d72cf2bb054a 100644 --- a/fs/xfs/linux-2.6/xfs_buf.c +++ b/fs/xfs/linux-2.6/xfs_buf.c @@ -440,12 +440,7 @@ _xfs_buf_find( ASSERT(btp == bp->b_target); if (bp->b_file_offset == range_base && bp->b_buffer_length == range_length) { - /* - * If we look at something, bring it to the - * front of the list for next time. - */ atomic_inc(&bp->b_hold); - list_move(&bp->b_hash_list, &hash->bh_list); goto found; } } @@ -1443,8 +1438,7 @@ xfs_alloc_bufhash( { unsigned int i; - btp->bt_hashshift = external ? 3 : 8; /* 8 or 256 buckets */ - btp->bt_hashmask = (1 << btp->bt_hashshift) - 1; + btp->bt_hashshift = external ? 3 : 12; /* 8 or 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++) { |