diff options
Diffstat (limited to 'fs/xfs/xfs_iget.c')
| -rw-r--r-- | fs/xfs/xfs_iget.c | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c index 155e798f30a..6845db90818 100644 --- a/fs/xfs/xfs_iget.c +++ b/fs/xfs/xfs_iget.c @@ -190,13 +190,12 @@ xfs_iget_cache_hit( trace_xfs_iget_reclaim(ip); /* - * We need to set XFS_INEW atomically with clearing the - * reclaimable tag so that we do have an indicator of the - * inode still being initialized. + * We need to set XFS_IRECLAIM to prevent xfs_reclaim_inode + * from stomping over us while we recycle the inode. We can't + * clear the radix tree reclaimable tag yet as it requires + * pag_ici_lock to be held exclusive. */ - ip->i_flags |= XFS_INEW; - ip->i_flags &= ~XFS_IRECLAIMABLE; - __xfs_inode_clear_reclaim_tag(mp, pag, ip); + ip->i_flags |= XFS_IRECLAIM; spin_unlock(&ip->i_flags_lock); read_unlock(&pag->pag_ici_lock); @@ -216,7 +215,15 @@ xfs_iget_cache_hit( trace_xfs_iget_reclaim(ip); goto out_error; } + + write_lock(&pag->pag_ici_lock); + spin_lock(&ip->i_flags_lock); + ip->i_flags &= ~(XFS_IRECLAIMABLE | XFS_IRECLAIM); + ip->i_flags |= XFS_INEW; + __xfs_inode_clear_reclaim_tag(mp, pag, ip); inode->i_state = I_NEW; + spin_unlock(&ip->i_flags_lock); + write_unlock(&pag->pag_ici_lock); } else { /* If the VFS inode is being torn down, pause and try again. */ if (!igrab(inode)) { @@ -374,7 +381,7 @@ xfs_iget( return EINVAL; /* get the perag structure and ensure that it's inode capable */ - pag = xfs_get_perag(mp, ino); + pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, ino)); if (!pag->pagi_inodeok) return EINVAL; ASSERT(pag->pag_ici_init); @@ -398,7 +405,7 @@ again: if (error) goto out_error_or_again; } - xfs_put_perag(mp, pag); + xfs_perag_put(pag); *ipp = ip; @@ -417,7 +424,7 @@ out_error_or_again: delay(1); goto again; } - xfs_put_perag(mp, pag); + xfs_perag_put(pag); return error; } @@ -488,12 +495,12 @@ xfs_ireclaim( * added to the tree assert that it's been there before to catch * problems with the inode life time early on. */ - pag = xfs_get_perag(mp, ip->i_ino); + pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, ip->i_ino)); write_lock(&pag->pag_ici_lock); if (!radix_tree_delete(&pag->pag_ici_root, agino)) ASSERT(0); write_unlock(&pag->pag_ici_lock); - xfs_put_perag(mp, pag); + xfs_perag_put(pag); /* * Here we do an (almost) spurious inode lock in order to coordinate |