xfs: remove xfs_inew_wait

With the remove of xfs_dqrele_all_inodes, xfs_inew_wait and all the
infrastructure used to wake the XFS_INEW bit waitqueue is unused.

Reported-by: kernel test robot <lkp@intel.com>
Fixes: 777eb1fa857e ("xfs: remove xfs_dqrele_all_inodes")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>

diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index e147200..da4af21 100644 (file)
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -289,22 +289,6 @@ xfs_perag_clear_inode_tag(
        trace_xfs_perag_clear_inode_tag(mp, pag->pag_agno, tag, _RET_IP_);
 }
 
-static inline void
-xfs_inew_wait(
-       struct xfs_inode        *ip)
-{
-       wait_queue_head_t *wq = bit_waitqueue(&ip->i_flags, __XFS_INEW_BIT);
-       DEFINE_WAIT_BIT(wait, &ip->i_flags, __XFS_INEW_BIT);
-
-       do {
-               prepare_to_wait(wq, &wait.wq_entry, TASK_UNINTERRUPTIBLE);
-               if (!xfs_iflags_test(ip, XFS_INEW))
-                       break;
-               schedule();
-       } while (true);
-       finish_wait(wq, &wait.wq_entry);
-}
-
 /*
  * When we recycle a reclaimable inode, we need to re-initialise the VFS inode
  * part of the structure. This is made more complex by the fact we store
@@ -368,18 +352,13 @@ xfs_iget_recycle(
        ASSERT(!rwsem_is_locked(&inode->i_rwsem));
        error = xfs_reinit_inode(mp, inode);
        if (error) {
-               bool    wake;
-
                /*
                 * Re-initializing the inode failed, and we are in deep
                 * trouble.  Try to re-add it to the reclaim list.
                 */
                rcu_read_lock();
                spin_lock(&ip->i_flags_lock);
-               wake = !!__xfs_iflags_test(ip, XFS_INEW);
                ip->i_flags &= ~(XFS_INEW | XFS_IRECLAIM);
-               if (wake)
-                       wake_up_bit(&ip->i_flags, __XFS_INEW_BIT);
                ASSERT(ip->i_flags & XFS_IRECLAIMABLE);
                spin_unlock(&ip->i_flags_lock);
                rcu_read_unlock();

diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h
index e635a3d..c447bf0 100644 (file)
--- a/fs/xfs/xfs_inode.h
+++ b/fs/xfs/xfs_inode.h
@@ -231,8 +231,7 @@ static inline bool xfs_inode_has_bigtime(struct xfs_inode *ip)
 #define XFS_IRECLAIM           (1 << 0) /* started reclaiming this inode */
 #define XFS_ISTALE             (1 << 1) /* inode has been staled */
 #define XFS_IRECLAIMABLE       (1 << 2) /* inode can be reclaimed */
-#define __XFS_INEW_BIT         3        /* inode has just been allocated */
-#define XFS_INEW               (1 << __XFS_INEW_BIT)
+#define XFS_INEW               (1 << 3) /* inode has just been allocated */
 #define XFS_IPRESERVE_DM_FIELDS        (1 << 4) /* has legacy DMAPI fields set */
 #define XFS_ITRUNCATED         (1 << 5) /* truncated down so flush-on-close */
 #define XFS_IDIRTY_RELEASE     (1 << 6) /* dirty release already seen */
@@ -492,7 +491,6 @@ static inline void xfs_finish_inode_setup(struct xfs_inode *ip)
        xfs_iflags_clear(ip, XFS_INEW);
        barrier();
        unlock_new_inode(VFS_I(ip));
-       wake_up_bit(&ip->i_flags, __XFS_INEW_BIT);
 }
 
 static inline void xfs_setup_existing_inode(struct xfs_inode *ip)