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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>
This commit is contained in:
Christoph Hellwig 2018-10-18 17:17:50 +11:00 committed by Dave Chinner
parent b39989009b
commit 97e5a6e6dc
2 changed files with 8 additions and 10 deletions
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4
fs/xfs/xfs_aops.c
View File

@ -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;

14
fs/xfs/xfs_aops.h
View File

@ -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.