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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-24 17:55:09 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-24 17:55:09 -0400
commitb5684b83b1e1579bbbc80e703e990c0cccf5892c (patch)
tree3f1b62b2320bce4d658d2ad0d4b77856499ac533 /drivers/ide/ide-disk.c
parent1481b9109fe771ec8b035d7760f42e36d2bed5d4 (diff)
parent1b8ebad87b459e2e1333fbf28005977245ff5402 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (76 commits) ide: use proper printk() KERN_* levels in ide-probe.c ide: fix for EATA SCSI HBA in ATA emulating mode ide: remove stale comments from drivers/ide/Makefile ide: enable local IRQs in all handlers for TASKFILE_NO_DATA data phase ide-scsi: remove kmalloced struct request ht6560b: remove old history ht6560b: update email address ide-cd: fix oops when using growisofs gayle: release resources on ide_host_add() failure palm_bk3710: add UltraDMA/100 support ide: trivial sparse annotations ide: ide-tape.c sparse annotations and unaligned access removal ide: drop 'name' parameter from ->init_chipset method ide: prefix messages from IDE PCI host drivers by driver name it821x: remove DECLARE_ITE_DEV() macro it8213: remove DECLARE_ITE_DEV() macro ide: include PCI device name in messages from IDE PCI host drivers ide: remove <asm/ide.h> for some archs ide-generic: remove ide_default_{io_base,irq}() inlines (take 3) ide-generic: is no longer needed on ppc32 ...
Diffstat (limited to 'drivers/ide/ide-disk.c')
-rw-r--r--drivers/ide/ide-disk.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index df5fe5756871..28d85b410f7c 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -56,23 +56,29 @@ static DEFINE_MUTEX(idedisk_ref_mutex);
56#define ide_disk_g(disk) \ 56#define ide_disk_g(disk) \
57 container_of((disk)->private_data, struct ide_disk_obj, driver) 57 container_of((disk)->private_data, struct ide_disk_obj, driver)
58 58
59static void ide_disk_release(struct kref *);
60
59static struct ide_disk_obj *ide_disk_get(struct gendisk *disk) 61static struct ide_disk_obj *ide_disk_get(struct gendisk *disk)
60{ 62{
61 struct ide_disk_obj *idkp = NULL; 63 struct ide_disk_obj *idkp = NULL;
62 64
63 mutex_lock(&idedisk_ref_mutex); 65 mutex_lock(&idedisk_ref_mutex);
64 idkp = ide_disk_g(disk); 66 idkp = ide_disk_g(disk);
65 if (idkp) 67 if (idkp) {
66 kref_get(&idkp->kref); 68 kref_get(&idkp->kref);
69 if (ide_device_get(idkp->drive)) {
70 kref_put(&idkp->kref, ide_disk_release);
71 idkp = NULL;
72 }
73 }
67 mutex_unlock(&idedisk_ref_mutex); 74 mutex_unlock(&idedisk_ref_mutex);
68 return idkp; 75 return idkp;
69} 76}
70 77
71static void ide_disk_release(struct kref *);
72
73static void ide_disk_put(struct ide_disk_obj *idkp) 78static void ide_disk_put(struct ide_disk_obj *idkp)
74{ 79{
75 mutex_lock(&idedisk_ref_mutex); 80 mutex_lock(&idedisk_ref_mutex);
81 ide_device_put(idkp->drive);
76 kref_put(&idkp->kref, ide_disk_release); 82 kref_put(&idkp->kref, ide_disk_release);
77 mutex_unlock(&idedisk_ref_mutex); 83 mutex_unlock(&idedisk_ref_mutex);
78} 84}