Whamcloud - gitweb
b=21137 ext4 extent allocation is slower than in ext3
authorDmitry Zogin <dmitry.zoguine@oracle.com>
Tue, 10 Aug 2010 19:27:14 +0000 (23:27 +0400)
committerMikhail Pershin <tappro@sun.com>
Sun, 15 Aug 2010 09:44:56 +0000 (13:44 +0400)
commit143e062d188d6ffe0660d20d5657b760ccfc0404
treeecdb7fd0c0d28e31a6dde30db4c88dbde6d9e6a8
parentccacd9165408df7844ec878e3cffa7d6b7a923df
b=21137 ext4 extent allocation is slower than in ext3

 Increase the default value of MB_DEFAULT_ORDER2_REQS to 8, enlarge ext4
 preallocation table for 2048 4K blocks extents creation.

 i=alex.zhuravlev
 i=andrew.perepechko
ldiskfs/kernel_patches/patches/ext4-mballoc-extra-checks-rhel5.patch
ldiskfs/kernel_patches/patches/ext4-mballoc-extra-checks-sles11.patch
ldiskfs/kernel_patches/patches/ext4-prealloc-rhel5.patch
ldiskfs/kernel_patches/patches/ext4-prealloc-sles11.patch