2 files changed, 19 insertions, 4 deletions

diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c
index cb9b6d1469f7..3631783b2b53 100644
--- a/fs/xfs/xfs_iget.c
+++ b/fs/xfs/xfs_iget.c
@@ -253,16 +253,21 @@ xfs_iget_cache_hit(
                         rcu_read_lock();
                         spin_lock(&ip->i_flags_lock);
 
-                        ip->i_flags &= ~XFS_INEW;
-                        ip->i_flags |= XFS_IRECLAIMABLE;
-                        __xfs_inode_set_reclaim_tag(pag, ip);
+                        ip->i_flags &= ~(XFS_INEW | XFS_IRECLAIM);
+                        ASSERT(ip->i_flags & XFS_IRECLAIMABLE);
                         trace_xfs_iget_reclaim_fail(ip);
                         goto out_error;
                 }
 
                 spin_lock(&pag->pag_ici_lock);
                 spin_lock(&ip->i_flags_lock);
-                ip->i_flags &= ~(XFS_IRECLAIMABLE | XFS_IRECLAIM);
+
+                /*
+                 * Clear the per-lifetime state in the inode as we are now
+                 * effectively a new inode and need to return to the initial
+                 * state before reuse occurs.
+                 */
+                ip->i_flags &= ~XFS_IRECLAIM_RESET_FLAGS;
                 ip->i_flags |= XFS_INEW;
                 __xfs_inode_clear_reclaim_tag(mp, pag, ip);
                 inode->i_state = I_NEW;
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h
index 3ae6d58e5473..964cfea77686 100644
--- a/fs/xfs/xfs_inode.h
+++ b/fs/xfs/xfs_inode.h
@@ -384,6 +384,16 @@ static inline void xfs_ifunlock(xfs_inode_t *ip)
 #define XFS_IDIRTY_RELEASE      0x0040  /* dirty release already seen */
 
 /*
+ * Per-lifetime flags need to be reset when re-using a reclaimable inode during
+ * inode lookup. Thi prevents unintended behaviour on the new inode from
+ * ocurring.
+ */
+#define XFS_IRECLAIM_RESET_FLAGS        \
+        (XFS_IRECLAIMABLE | XFS_IRECLAIM | \
+         XFS_IDIRTY_RELEASE | XFS_ITRUNCATED | \
+         XFS_IFILESTREAM);
+
+/*
  * Flags for inode locking.
  * Bit ranges:  1<<1  - 1<<16-1 -- iolock/ilock modes (bitfield)
  *              1<<16 - 1<<32-1 -- lockdep annotation (integers)