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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-08-14 11:06:02 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-08-14 11:10:45 +0200 |
| commit | 9de9b7d237aa65c691081cd30e55fedff2e57d6a (patch) | |
| tree | 652dd2131ad26584f63e465886b401ef401dcbf7 /cpukit/libblock | |
| parent | filesystem: Add SMP support (diff) | |
| download | rtems-9de9b7d237aa65c691081cd30e55fedff2e57d6a.tar.bz2 | |
libblock: Add SMP support
Diffstat (limited to 'cpukit/libblock')
| -rw-r--r-- | cpukit/libblock/src/diskdevs.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/cpukit/libblock/src/diskdevs.c b/cpukit/libblock/src/diskdevs.c index 96bcf88f52..2397c283b1 100644 --- a/cpukit/libblock/src/diskdevs.c +++ b/cpukit/libblock/src/diskdevs.c @@ -57,6 +57,8 @@ static rtems_id diskdevs_mutex; */ static volatile bool diskdevs_protected; +static rtems_interrupt_lock diskdevs_lock; + static rtems_status_code disk_lock(void) { @@ -435,13 +437,13 @@ rtems_disk_obtain(dev_t dev) rtems_disk_device *dd = NULL; rtems_interrupt_level level; - rtems_interrupt_disable(level); + rtems_interrupt_lock_acquire(&diskdevs_lock, level); if (!diskdevs_protected) { /* Frequent and quickest case */ dd = get_disk_entry(dev, false); - rtems_interrupt_enable(level); + rtems_interrupt_lock_release(&diskdevs_lock, level); } else { - rtems_interrupt_enable(level); + rtems_interrupt_lock_release(&diskdevs_lock, level); sc = disk_lock(); if (sc == RTEMS_SUCCESSFUL) { @@ -461,10 +463,10 @@ rtems_disk_release(rtems_disk_device *dd) unsigned uses = 0; bool deleted = false; - rtems_interrupt_disable(level); + rtems_interrupt_lock_acquire(&diskdevs_lock, level); uses = --dd->uses; deleted = dd->deleted; - rtems_interrupt_enable(level); + rtems_interrupt_lock_release(&diskdevs_lock, level); if (uses == 0 && deleted) { rtems_disk_delete(dev); |