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Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/feature-removal-schedule.txt | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index c6322c760348..498ff31f3aa1 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -328,3 +328,22 @@ Who: Adrian Bunk <bunk@stusta.de> --------------------------- +What: libata.spindown_compat module parameter +When: Dec 2008 +Why: halt(8) synchronizes caches for and spins down libata disks + because libata didn't use to spin down disk on system halt + (only synchronized caches). + Spin down on system halt is now implemented and can be tested + using sysfs node /sys/class/scsi_disk/h:c:i:l/manage_start_stop. + Because issuing spin down command to an already spun down disk + makes some disks spin up just to spin down again, the old + behavior needs to be maintained till userspace tool is updated + to check the sysfs node and not to spin down disks with the + node set to one. + This module parameter is to give userspace tool the time to + get updated and should be removed after userspace is + reasonably updated. +Who: Tejun Heo <htejun@gmail.com> + +--------------------------- + |