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authorTejun Heo <htejun@gmail.com>2006-05-31 05:27:40 -0400
committerTejun Heo <htejun@gmail.com>2006-05-31 05:27:40 -0400
commit3edebac41bab7e146578ad9e723ee7fff71c99c0 (patch)
treec5f1276f7c0e93b51ad67b12e241b37c05f4f38a /include/linux/libata.h
parent5a04bf4befa8bffa012eedc3a0903c158b9131a9 (diff)
[PATCH] libata-hp-prep: store attached SCSI device
Add device persistent field dev->sdev and store the attached SCSI device. With hotplug, libata needs to know the attached SCSI device to offline and detach it, but scsi_device_lookup() cannot be used because libata will reuse SCSI ID numbers - dead but not gone devices (due to zombie opens, etc...) interfere with the lookup. dev->sdev doesn't hold reference to the SCSI device. It's cleared when the SCSI device goes away. Signed-off-by: Tejun Heo <htejun@gmail.com>
Diffstat (limited to 'include/linux/libata.h')
-rw-r--r--include/linux/libata.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 10dc235ad8bc..c0513c752751 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -413,6 +413,7 @@ struct ata_device {
413 struct ata_port *ap; 413 struct ata_port *ap;
414 unsigned int devno; /* 0 or 1 */ 414 unsigned int devno; /* 0 or 1 */
415 unsigned long flags; /* ATA_DFLAG_xxx */ 415 unsigned long flags; /* ATA_DFLAG_xxx */
416 struct scsi_device *sdev; /* attached SCSI device */
416 /* n_sector is used as CLEAR_OFFSET, read comment above CLEAR_OFFSET */ 417 /* n_sector is used as CLEAR_OFFSET, read comment above CLEAR_OFFSET */
417 u64 n_sectors; /* size of device, if ATA */ 418 u64 n_sectors; /* size of device, if ATA */
418 unsigned int class; /* ATA_DEV_xxx */ 419 unsigned int class; /* ATA_DEV_xxx */