[PATCH v2 43/54] fs: change inode_is_dirtytime_only to use refcount

[Josef Bacik <josef@toxicpanda.com>]

We don't need the I_WILL_FREE|I_FREEING check, we can use the refcount
to see if the inode is valid.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
---
 include/linux/fs.h | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/include/linux/fs.h b/include/linux/fs.h
index b13d057ad0d7..531a6d0afa75 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2628,6 +2628,11 @@ static inline void mark_inode_dirty_sync(struct inode *inode)
 	__mark_inode_dirty(inode, I_DIRTY_SYNC);
 }
 
+static inline int icount_read(const struct inode *inode)
+{
+	return refcount_read(&inode->i_count);
+}
+
 /*
  * Returns true if the given inode itself only has dirty timestamps (its pages
  * may still be dirty) and isn't currently being allocated or freed.
@@ -2639,8 +2644,8 @@ static inline void mark_inode_dirty_sync(struct inode *inode)
  */
 static inline bool inode_is_dirtytime_only(struct inode *inode)
 {
-	return (inode->i_state & (I_DIRTY_TIME | I_NEW |
-				  I_FREEING | I_WILL_FREE)) == I_DIRTY_TIME;
+	return (inode->i_state & (I_DIRTY_TIME | I_NEW)) == I_DIRTY_TIME &&
+	       icount_read(inode);
 }
 
 extern void inc_nlink(struct inode *inode);
@@ -3432,11 +3437,6 @@ static inline void __iget(struct inode *inode)
 	refcount_inc(&inode->i_count);
 }
 
-static inline int icount_read(const struct inode *inode)
-{
-	return refcount_read(&inode->i_count);
-}
-
 extern void iget_failed(struct inode *);
 extern void clear_inode(struct inode *);
 extern void __destroy_inode(struct inode *);
-- 
2.49.0