xfs: fix I_DONTCACHE

Yup, the VFS hoist broke it, and nobody noticed. Bulkstat workloads
make it clear that it doesn't work as it should.

Fixes: dae2f8ed7992 ("fs: Lift XFS_IDONTCACHE to the VFS layer")
Signed-off-by: Dave Chinner <dchinner@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 a3fe4c5..f2210d9 100644 (file)
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -84,8 +84,9 @@ xfs_inode_alloc(
                return NULL;
        }
 
-       /* VFS doesn't initialise i_mode! */
+       /* VFS doesn't initialise i_mode or i_state! */
        VFS_I(ip)->i_mode = 0;
+       VFS_I(ip)->i_state = 0;
 
        XFS_STATS_INC(mp, vn_active);
        ASSERT(atomic_read(&ip->i_pincount) == 0);

diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index 0ff0cca..a607d6a 100644 (file)
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -1344,7 +1344,7 @@ xfs_setup_inode(
        gfp_t                   gfp_mask;
 
        inode->i_ino = ip->i_ino;
-       inode->i_state = I_NEW;
+       inode->i_state |= I_NEW;
 
        inode_sb_list_add(inode);
        /* make the inode look hashed for the writeback code */