xfs: rename the XFS_MOUNT_DFLT_IOSIZE option to

Make the flag match the mount option and usage.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

fs/xfs/xfs_iomap.c

@@ -421,7 +421,7 @@ xfs_iomap_prealloc_size(
 	if (offset + count <= XFS_ISIZE(ip))
 		return 0;
 
-	if (!(mp->m_flags & XFS_MOUNT_DFLT_IOSIZE) &&
+	if (!(mp->m_flags & XFS_MOUNT_ALLOCSIZE) &&
 	    (XFS_ISIZE(ip) < XFS_FSB_TO_B(mp, mp->m_allocsize_blocks)))
 		return 0;
 
@@ -429,7 +429,7 @@ xfs_iomap_prealloc_size(
 	 * If an explicit allocsize is set, the file is small, or we
 	 * are writing behind a hole, then use the minimum prealloc:
 	 */
-	if ((mp->m_flags & XFS_MOUNT_DFLT_IOSIZE) ||
+	if ((mp->m_flags & XFS_MOUNT_ALLOCSIZE) ||
 	    XFS_ISIZE(ip) < XFS_FSB_TO_B(mp, mp->m_dalign) ||
 	    !xfs_iext_peek_prev_extent(ifp, icur, &prev) ||
 	    prev.br_startoff + prev.br_blockcount < offset_fsb)

fs/xfs/xfs_iops.c

@@ -513,7 +513,7 @@ xfs_stat_blksize(
 	if (!(mp->m_flags & XFS_MOUNT_COMPAT_IOSIZE)) {
 		if (mp->m_swidth)
 			return mp->m_swidth << mp->m_sb.sb_blocklog;
-		if (mp->m_flags & XFS_MOUNT_DFLT_IOSIZE)
+		if (mp->m_flags & XFS_MOUNT_ALLOCSIZE)
 			return 1U << mp->m_allocsize_log;
 	}
 

fs/xfs/xfs_mount.h

@@ -227,7 +227,7 @@ typedef struct xfs_mount {
 #define XFS_MOUNT_ATTR2		(1ULL << 8)	/* allow use of attr2 format */
 #define XFS_MOUNT_GRPID		(1ULL << 9)	/* group-ID assigned from directory */
 #define XFS_MOUNT_NORECOVERY	(1ULL << 10)	/* no recovery - dirty fs */
-#define XFS_MOUNT_DFLT_IOSIZE	(1ULL << 12)	/* set default i/o size */
+#define XFS_MOUNT_ALLOCSIZE	(1ULL << 12)	/* specified allocation size */
 #define XFS_MOUNT_SMALL_INUMS	(1ULL << 14)	/* user wants 32bit inodes */
 #define XFS_MOUNT_32BITINODES	(1ULL << 15)	/* inode32 allocator active */
 #define XFS_MOUNT_NOUUID	(1ULL << 16)	/* ignore uuid during mount */

fs/xfs/xfs_super.c

@@ -228,7 +228,7 @@ xfs_parseargs(
 			if (suffix_kstrtoint(args, 10, &size))
 				return -EINVAL;
 			mp->m_allocsize_log = ffs(size) - 1;
-			mp->m_flags |= XFS_MOUNT_DFLT_IOSIZE;
+			mp->m_flags |= XFS_MOUNT_ALLOCSIZE;
 			break;
 		case Opt_grpid:
 		case Opt_bsdgroups:
@@ -396,7 +396,7 @@ xfs_parseargs(
 		return -EINVAL;
 	}
 
-	if ((mp->m_flags & XFS_MOUNT_DFLT_IOSIZE) &&
+	if ((mp->m_flags & XFS_MOUNT_ALLOCSIZE) &&
 	    (mp->m_allocsize_log > XFS_MAX_IO_LOG ||
 	     mp->m_allocsize_log < XFS_MIN_IO_LOG)) {
 		xfs_warn(mp, "invalid log iosize: %d [not %d-%d]",
@@ -450,7 +450,7 @@ xfs_showargs(
 			seq_puts(m, xfs_infop->str);
 	}
 
-	if (mp->m_flags & XFS_MOUNT_DFLT_IOSIZE)
+	if (mp->m_flags & XFS_MOUNT_ALLOCSIZE)
 		seq_printf(m, ",allocsize=%dk",
 				(int)(1 << mp->m_allocsize_log) >> 10);