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init.recovery.device.rc: limit discard size to 128MB

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limit UFS discard size to avoid UFS unmap timeout issue

Bug: 146203801
Test: print log in recovery mode
Change-Id: I484b44abc1e14a19a7dd753e927c52af3565fe65
Signed-off-by: Randall Huang <huangrandall@google.com>
This commit is contained in:
Randall Huang
2020-01-03 15:35:46 +08:00
committed by Cyan_Hsieh
parent 467876afbb
commit bb42b2be15
1 changed files with 4 additions and 0 deletions
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4
init.recovery.device.rc
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@@ -8,3 +8,7 @@ on init
write /sys/module/msm_poweroff/parameters/warm_reset 1
# Enable thermal mitigation
write /sys/devices/virtual/thermal/tz-by-name/backup-charge/mode enabled
# Block layer tuning: discard chunk size up to 128MB
# Otherwise, contiguous discards can be merged
write /sys/block/sda/queue/discard_max_bytes 134217728