xfs: remove XFS_IO_INVALID

The invalid state isn't any different from a hole, so merge the two
states.  Use the more descriptive hole name, but keep it as the first
value of the enum to catch uninitialized fields.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

2 files changed, 8 insertions, 10 deletions

diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 49f5f5896a43..338b9d9984e0 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -917,7 +917,7 @@ xfs_vm_writepage(
         struct writeback_control *wbc)
 {
         struct xfs_writepage_ctx wpc = {
-                .io_type = XFS_IO_INVALID,
+                .io_type = XFS_IO_HOLE,
         };
         int                     ret;
 
@@ -933,7 +933,7 @@ xfs_vm_writepages(
         struct writeback_control *wbc)
 {
         struct xfs_writepage_ctx wpc = {
-                .io_type = XFS_IO_INVALID,
+                .io_type = XFS_IO_HOLE,
         };
         int                     ret;
 
diff --git a/fs/xfs/xfs_aops.h b/fs/xfs/xfs_aops.h
index 9af867951a10..494b4338446e 100644
--- a/fs/xfs/xfs_aops.h
+++ b/fs/xfs/xfs_aops.h
@@ -12,21 +12,19 @@ extern struct bio_set xfs_ioend_bioset;
  * Types of I/O for bmap clustering and I/O completion tracking.
  */
 enum {
-        XFS_IO_INVALID,         /* initial state */
+        XFS_IO_HOLE,            /* covers region without any block allocation */
         XFS_IO_DELALLOC,        /* covers delalloc region */
         XFS_IO_UNWRITTEN,       /* covers allocated but uninitialized data */
         XFS_IO_OVERWRITE,       /* covers already allocated extent */
         XFS_IO_COW,             /* covers copy-on-write extent */
-        XFS_IO_HOLE,            /* covers region without any block allocation */
 };
 
 #define XFS_IO_TYPES \
-        { XFS_IO_INVALID,               "invalid" }, \
-        { XFS_IO_DELALLOC,              "delalloc" }, \
-        { XFS_IO_UNWRITTEN,             "unwritten" }, \
-        { XFS_IO_OVERWRITE,             "overwrite" }, \
-        { XFS_IO_COW,                   "CoW" }, \
-        { XFS_IO_HOLE,                  "hole" }
+        { XFS_IO_HOLE,                  "hole" },       \
+        { XFS_IO_DELALLOC,              "delalloc" },   \
+        { XFS_IO_UNWRITTEN,             "unwritten" },  \
+        { XFS_IO_OVERWRITE,             "overwrite" },  \
+        { XFS_IO_COW,                   "CoW" }
 
 /*
  * Structure for buffered I/O completions.