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r: 56630
b: refs/heads/master
c: da7cd59
h: refs/heads/master
v: v3
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Herbert Xu committed May 19, 2007
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2 changes: 1 addition & 1 deletion [refs]
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refs/heads/master: 55b637c6a003a8c4850b41a2c2fd6942d8a7f530
refs/heads/master: da7cd59ab9c8ed233df4809f6c8c90c636f676c7
25 changes: 13 additions & 12 deletions trunk/Documentation/feature-removal-schedule.txt
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Expand Up @@ -328,20 +328,21 @@ Who: Adrian Bunk <bunk@stusta.de>

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What: libata spindown skipping and warning
What: libata.spindown_compat module parameter
When: Dec 2008
Why: Some halt(8) implementations synchronize caches for and spin
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. sysfs node
/sys/class/scsi_disk/h:c:i:l/manage_start_stop is present if
spin down support is available.
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, libata tracks
device spindown status to skip the extra spindown command and
warn about it.
This is to give userspace tools the time to get updated and will
be removed after userspace is reasonably updated.
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>

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