diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2009-05-23 20:57:31 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-05-23 20:57:31 +0100 |
| commit | a2ab67fae1ab9226679495a8d260f4e6555efc5f (patch) | |
| tree | f7de683c9c8ff0869a7e11f1d40802145d05f5b4 /drivers/s390/scsi/zfcp_sysfs.c | |
| parent | 6d0485a99366d4e0e7e725f14995c74cb7ca4499 (diff) | |
| parent | 135cad366b4e7d6a79f6369f6cb5b721985aa62f (diff) | |
Merge branch 'for-rmk-devel' of git://git.pengutronix.de/git/imx/linux-2.6 into devel
Conflicts:
arch/arm/Kconfig
arch/arm/Makefile
Diffstat (limited to 'drivers/s390/scsi/zfcp_sysfs.c')
| -rw-r--r-- | drivers/s390/scsi/zfcp_sysfs.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/s390/scsi/zfcp_sysfs.c b/drivers/s390/scsi/zfcp_sysfs.c index 9a3b8e261c0..3e51e64d110 100644 --- a/drivers/s390/scsi/zfcp_sysfs.c +++ b/drivers/s390/scsi/zfcp_sysfs.c @@ -254,12 +254,21 @@ static ssize_t zfcp_sysfs_unit_remove_store(struct device *dev, write_lock_irq(&zfcp_data.config_lock); unit = zfcp_get_unit_by_lun(port, fcp_lun); - if (unit && (atomic_read(&unit->refcount) == 0)) { - zfcp_unit_get(unit); - atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE, &unit->status); - list_move(&unit->list, &unit_remove_lh); - } else - unit = NULL; + if (unit) { + write_unlock_irq(&zfcp_data.config_lock); + /* wait for possible timeout during SCSI probe */ + flush_work(&unit->scsi_work); + write_lock_irq(&zfcp_data.config_lock); + + if (atomic_read(&unit->refcount) == 0) { + zfcp_unit_get(unit); + atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE, + &unit->status); + list_move(&unit->list, &unit_remove_lh); + } else { + unit = NULL; + } + } write_unlock_irq(&zfcp_data.config_lock); |