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author | David S. Miller <davem@davemloft.net> | 2008-07-27 04:40:08 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2008-07-27 04:40:08 -0700 |
commit | 15d3b4a26291c170563e2b25ded5de1324f93959 (patch) | |
tree | 9bea548a7de5215c58a091d58f4eefdb92349f2c /drivers/ide/ide-disk.c | |
parent | 2c3abab7c95295f319dc8899b74cbd60140fcdfb (diff) | |
parent | 8be1a6d6c77ab4532e4476fdb8177030ef48b52c (diff) | |
download | op-kernel-dev-15d3b4a26291c170563e2b25ded5de1324f93959.zip op-kernel-dev-15d3b4a26291c170563e2b25ded5de1324f93959.tar.gz |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/ide/ide-disk.c')
-rw-r--r-- | drivers/ide/ide-disk.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 3a2e802..28d85b4 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -56,23 +56,29 @@ static DEFINE_MUTEX(idedisk_ref_mutex); #define ide_disk_g(disk) \ container_of((disk)->private_data, struct ide_disk_obj, driver) +static void ide_disk_release(struct kref *); + static struct ide_disk_obj *ide_disk_get(struct gendisk *disk) { struct ide_disk_obj *idkp = NULL; mutex_lock(&idedisk_ref_mutex); idkp = ide_disk_g(disk); - if (idkp) + if (idkp) { kref_get(&idkp->kref); + if (ide_device_get(idkp->drive)) { + kref_put(&idkp->kref, ide_disk_release); + idkp = NULL; + } + } mutex_unlock(&idedisk_ref_mutex); return idkp; } -static void ide_disk_release(struct kref *); - static void ide_disk_put(struct ide_disk_obj *idkp) { mutex_lock(&idedisk_ref_mutex); + ide_device_put(idkp->drive); kref_put(&idkp->kref, ide_disk_release); mutex_unlock(&idedisk_ref_mutex); } @@ -158,7 +164,7 @@ static void ide_tf_set_cmd(ide_drive_t *drive, ide_task_t *task, u8 dma) write = (task->tf_flags & IDE_TFLAG_WRITE) ? 1 : 0; if (dma) - index = drive->vdma ? 4 : 8; + index = 8; else index = drive->mult_count ? 0 : 4; |