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-rw-r--r--fs/kernfs/file.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/fs/kernfs/file.c b/fs/kernfs/file.c
index 60e2a86c535e..88423069407c 100644
--- a/fs/kernfs/file.c
+++ b/fs/kernfs/file.c
@@ -120,13 +120,8 @@ static void *kernfs_seq_start(struct seq_file *sf, loff_t *ppos)
if (next == ERR_PTR(-ENODEV))
kernfs_seq_stop_active(sf, next);
return next;
- } else {
- /*
- * The same behavior and code as single_open(). Returns
- * !NULL if pos is at the beginning; otherwise, NULL.
- */
- return NULL + !*ppos;
}
+ return single_start(sf, ppos);
}
static void *kernfs_seq_next(struct seq_file *sf, void *v, loff_t *ppos)
@@ -847,6 +842,7 @@ static void kernfs_notify_workfn(struct work_struct *work)
{
struct kernfs_node *kn;
struct kernfs_super_info *info;
+ struct kernfs_root *root;
repeat:
/* pop one off the notify_list */
spin_lock_irq(&kernfs_notify_lock);
@@ -859,8 +855,9 @@ repeat:
kn->attr.notify_next = NULL;
spin_unlock_irq(&kernfs_notify_lock);
+ root = kernfs_root(kn);
/* kick fsnotify */
- down_write(&kernfs_rwsem);
+ down_write(&root->kernfs_rwsem);
list_for_each_entry(info, &kernfs_root(kn)->supers, node) {
struct kernfs_node *parent;
@@ -898,7 +895,7 @@ repeat:
iput(inode);
}
- up_write(&kernfs_rwsem);
+ up_write(&root->kernfs_rwsem);
kernfs_put(kn);
goto repeat;
}
@@ -1000,7 +997,7 @@ struct kernfs_node *__kernfs_create_file(struct kernfs_node *parent,
#endif
/*
- * kn->attr.ops is accesible only while holding active ref. We
+ * kn->attr.ops is accessible only while holding active ref. We
* need to know whether some ops are implemented outside active
* ref. Cache their existence in flags.
*/