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-rw-r--r--fs/ocfs2/cluster/heartbeat.c38
-rw-r--r--fs/ocfs2/dlmfs/dlmfs.c5
-rw-r--r--fs/ocfs2/super.c5
3 files changed, 29 insertions, 19 deletions
diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c
index a4e855e3690e..f7c648d7d6bf 100644
--- a/fs/ocfs2/cluster/heartbeat.c
+++ b/fs/ocfs2/cluster/heartbeat.c
@@ -1746,8 +1746,8 @@ static ssize_t o2hb_region_dev_write(struct o2hb_region *reg,
long fd;
int sectsize;
char *p = (char *)page;
- struct file *filp = NULL;
- struct inode *inode = NULL;
+ struct fd f;
+ struct inode *inode;
ssize_t ret = -EINVAL;
int live_threshold;
@@ -1766,26 +1766,26 @@ static ssize_t o2hb_region_dev_write(struct o2hb_region *reg,
if (fd < 0 || fd >= INT_MAX)
goto out;
- filp = fget(fd);
- if (filp == NULL)
+ f = fdget(fd);
+ if (f.file == NULL)
goto out;
if (reg->hr_blocks == 0 || reg->hr_start_block == 0 ||
reg->hr_block_bytes == 0)
- goto out;
+ goto out2;
- inode = igrab(filp->f_mapping->host);
+ inode = igrab(f.file->f_mapping->host);
if (inode == NULL)
- goto out;
+ goto out2;
if (!S_ISBLK(inode->i_mode))
- goto out;
+ goto out3;
- reg->hr_bdev = I_BDEV(filp->f_mapping->host);
+ reg->hr_bdev = I_BDEV(f.file->f_mapping->host);
ret = blkdev_get(reg->hr_bdev, FMODE_WRITE | FMODE_READ, NULL);
if (ret) {
reg->hr_bdev = NULL;
- goto out;
+ goto out3;
}
inode = NULL;
@@ -1797,7 +1797,7 @@ static ssize_t o2hb_region_dev_write(struct o2hb_region *reg,
"blocksize %u incorrect for device, expected %d",
reg->hr_block_bytes, sectsize);
ret = -EINVAL;
- goto out;
+ goto out3;
}
o2hb_init_region_params(reg);
@@ -1811,13 +1811,13 @@ static ssize_t o2hb_region_dev_write(struct o2hb_region *reg,
ret = o2hb_map_slot_data(reg);
if (ret) {
mlog_errno(ret);
- goto out;
+ goto out3;
}
ret = o2hb_populate_slot_data(reg);
if (ret) {
mlog_errno(ret);
- goto out;
+ goto out3;
}
INIT_DELAYED_WORK(&reg->hr_write_timeout_work, o2hb_write_timeout);
@@ -1847,7 +1847,7 @@ static ssize_t o2hb_region_dev_write(struct o2hb_region *reg,
if (IS_ERR(hb_task)) {
ret = PTR_ERR(hb_task);
mlog_errno(ret);
- goto out;
+ goto out3;
}
spin_lock(&o2hb_live_lock);
@@ -1863,7 +1863,7 @@ static ssize_t o2hb_region_dev_write(struct o2hb_region *reg,
if (reg->hr_aborted_start) {
ret = -EIO;
- goto out;
+ goto out3;
}
/* Ok, we were woken. Make sure it wasn't by drop_item() */
@@ -1882,11 +1882,11 @@ static ssize_t o2hb_region_dev_write(struct o2hb_region *reg,
printk(KERN_NOTICE "o2hb: Heartbeat started on region %s (%s)\n",
config_item_name(&reg->hr_item), reg->hr_dev_name);
+out3:
+ iput(inode);
+out2:
+ fdput(f);
out:
- if (filp)
- fput(filp);
- if (inode)
- iput(inode);
if (ret < 0) {
if (reg->hr_bdev) {
blkdev_put(reg->hr_bdev, FMODE_READ|FMODE_WRITE);
diff --git a/fs/ocfs2/dlmfs/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c
index 83b6f98e0665..16b712d260d4 100644
--- a/fs/ocfs2/dlmfs/dlmfs.c
+++ b/fs/ocfs2/dlmfs/dlmfs.c
@@ -691,6 +691,11 @@ static void __exit exit_dlmfs_fs(void)
flush_workqueue(user_dlm_worker);
destroy_workqueue(user_dlm_worker);
+ /*
+ * Make sure all delayed rcu free inodes are flushed before we
+ * destroy cache.
+ */
+ rcu_barrier();
kmem_cache_destroy(dlmfs_inode_cache);
bdi_destroy(&dlmfs_backing_dev_info);
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 68f4541c2db9..0e91ec22a940 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -1818,6 +1818,11 @@ static int ocfs2_initialize_mem_caches(void)
static void ocfs2_free_mem_caches(void)
{
+ /*
+ * Make sure all delayed rcu free inodes are flushed before we
+ * destroy cache.
+ */
+ rcu_barrier();
if (ocfs2_inode_cachep)
kmem_cache_destroy(ocfs2_inode_cachep);
ocfs2_inode_cachep = NULL;