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| author | zhao, forrest | 2006-06-12 06:01:34 +0200 |
|---|---|---|
| committer | Jeff Garzik | 2006-06-12 06:18:35 +0200 |
| commit | 3057ac3c1a992ee135cbb7b7d1a12e58d81f0739 (patch) | |
| tree | 38d83a88ee949b9db8f6655f90f98d88f8a5f2fd /include/linux/ata.h | |
| parent | libata: more verbose request_irq() failure (diff) | |
| download | kernel-qcow2-linux-3057ac3c1a992ee135cbb7b7d1a12e58d81f0739.tar.gz kernel-qcow2-linux-3057ac3c1a992ee135cbb7b7d1a12e58d81f0739.tar.xz kernel-qcow2-linux-3057ac3c1a992ee135cbb7b7d1a12e58d81f0739.zip | |
[PATCH] Snoop SET FEATURES - WRITE CACHE ENABLE/DISABLE command(v5)
This patch makes libata snoop 'SET FEATURES - WRITE CACHE
ENABLE/DISABLE' command, executing requisite revalidation processes
to update cached data.
Signed-off-by: Forrest Zhao <forrest.zhao@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'include/linux/ata.h')
| -rw-r--r-- | include/linux/ata.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h index c494e1c0531e..3671af869696 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -181,6 +181,9 @@ enum { XFER_PIO_0 = 0x08, XFER_PIO_SLOW = 0x00, + SETFEATURES_WC_ON = 0x02, /* Enable write cache */ + SETFEATURES_WC_OFF = 0x82, /* Disable write cache */ + /* ATAPI stuff */ ATAPI_PKT_DMA = (1 << 0), ATAPI_DMADIR = (1 << 2), /* ATAPI data dir: |