xfs: rename m_inotbt_nores to m_finobt_nores

Rename this flag variable to imply more strongly that it's related to
the free inode btree (finobt) operation.  No functional changes.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>

fs/xfs/libxfs/xfs_ag_resv.c

@@ -281,7 +281,7 @@ xfs_ag_resv_init(
 			 */
 			ask = used = 0;
 
-			mp->m_inotbt_nores = true;
+			mp->m_finobt_nores = true;
 
 			error = xfs_refcountbt_calc_reserves(mp, tp, agno, &ask,
 					&used);

fs/xfs/libxfs/xfs_ialloc_btree.c

@@ -124,7 +124,7 @@ xfs_finobt_alloc_block(
 	union xfs_btree_ptr	*new,
 	int			*stat)
 {
-	if (cur->bc_mp->m_inotbt_nores)
+	if (cur->bc_mp->m_finobt_nores)
 		return xfs_inobt_alloc_block(cur, start, new, stat);
 	return __xfs_inobt_alloc_block(cur, start, new, stat,
 			XFS_AG_RESV_METADATA);
@@ -154,7 +154,7 @@ xfs_finobt_free_block(
 	struct xfs_btree_cur	*cur,
 	struct xfs_buf		*bp)
 {
-	if (cur->bc_mp->m_inotbt_nores)
+	if (cur->bc_mp->m_finobt_nores)
 		return xfs_inobt_free_block(cur, bp);
 	return __xfs_inobt_free_block(cur, bp, XFS_AG_RESV_METADATA);
 }

fs/xfs/xfs_inode.c

@@ -1754,7 +1754,7 @@ xfs_inactive_ifree(
 	 * now remains allocated and sits on the unlinked list until the fs is
 	 * repaired.
 	 */
-	if (unlikely(mp->m_inotbt_nores)) {
+	if (unlikely(mp->m_finobt_nores)) {
 		error = xfs_trans_alloc(mp, &M_RES(mp)->tr_ifree,
 				XFS_IFREE_SPACE_RES(mp), 0, XFS_TRANS_RESERVE,
 				&tp);

fs/xfs/xfs_mount.h

@@ -138,7 +138,7 @@ typedef struct xfs_mount {
 	struct mutex		m_growlock;	/* growfs mutex */
 	int			m_fixedfsid[2];	/* unchanged for life of FS */
 	uint64_t		m_flags;	/* global mount flags */
-	bool			m_inotbt_nores; /* no per-AG finobt resv. */
+	bool			m_finobt_nores; /* no per-AG finobt resv. */
 	int			m_ialloc_inos;	/* inodes in inode allocation */
 	int			m_ialloc_blks;	/* blocks in inode allocation */
 	int			m_ialloc_min_blks;/* min blocks in sparse inode