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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-07-24 22:53:15 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-07-24 22:53:15 +0200 |
| commit | 08da591e14cf87247ec09b17c350235157a92fc3 (patch) | |
| tree | d00a02154071c7013c31bc8dd1d3c12c86d5daca /drivers/scsi | |
| parent | 6cdf6eb357c2681596b7b1672b92396ba82333d4 (diff) | |
| download | kernel_samsung_smdk4412-08da591e14cf87247ec09b17c350235157a92fc3.zip kernel_samsung_smdk4412-08da591e14cf87247ec09b17c350235157a92fc3.tar.gz kernel_samsung_smdk4412-08da591e14cf87247ec09b17c350235157a92fc3.tar.bz2 | |
ide: add ide_device_{get,put}() helpers
* Add 'struct ide_host *host' field to ide_hwif_t and set it
in ide_host_alloc_all().
* Add ide_device_{get,put}() helpers loosely based on SCSI's
scsi_device_{get,put}() ones.
* Convert IDE device drivers to use ide_device_{get,put}().
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/ide-scsi.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index 5385524..318ef38 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -101,8 +101,13 @@ static struct ide_scsi_obj *ide_scsi_get(struct gendisk *disk) mutex_lock(&idescsi_ref_mutex); scsi = ide_scsi_g(disk); - if (scsi) + if (scsi) { scsi_host_get(scsi->host); + if (ide_device_get(scsi->drive)) { + scsi_host_put(scsi->host); + scsi = NULL; + } + } mutex_unlock(&idescsi_ref_mutex); return scsi; } @@ -110,6 +115,7 @@ static struct ide_scsi_obj *ide_scsi_get(struct gendisk *disk) static void ide_scsi_put(struct ide_scsi_obj *scsi) { mutex_lock(&idescsi_ref_mutex); + ide_device_put(scsi->drive); scsi_host_put(scsi->host); mutex_unlock(&idescsi_ref_mutex); } |