| commit | 7f9838fd01833ffb30177d964983076924344c9e | [log] [tgz] |
|---|---|---|
| author | Mikulas Patocka <mpatocka@redhat.com> | Thu Jul 21 19:59:22 2011 -0400 |
| committer | Greg Kroah-Hartman <gregkh@suse.de> | Mon Aug 22 17:43:30 2011 -0700 |
| tree | 95487aa8962c0baaed05375f739a4a16a566a388 | |
| parent | 86028619b9f653a30f5aa0d331fdedd899a1eea5 [diff] |
sysfs: count subdirectories sysfs: count subdirectories This patch introduces a subdirectory counter for each sysfs directory. Without the patch, sysfs_refresh_inode would walk all entries of the directory to calculate the number of subdirectories. This patch improves time of "ls -la /sys/block" when there are 10000 block devices from 9 seconds to 0.19 seconds. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>