84 	struct xfs_mount	*mp,  in xfs_metafile_resv_can_cover()  argument
93 	if (mp->m_metafile_resv_avail >= rhs)  in xfs_metafile_resv_can_cover()
100 	return xfs_compare_freecounter(mp, XC_FREE_BLOCKS,  in xfs_metafile_resv_can_cover()
101 			rhs - mp->m_metafile_resv_avail, 2048) >= 0;  in xfs_metafile_resv_can_cover()
111 	struct xfs_mount	*mp)  in xfs_metafile_resv_critical()  argument
113 	ASSERT(xfs_has_metadir(mp));  in xfs_metafile_resv_critical()
115 	trace_xfs_metafile_resv_critical(mp, 0);  in xfs_metafile_resv_critical()
117 	if (!xfs_metafile_resv_can_cover(mp, mp->m_rtbtree_maxlevels))  in xfs_metafile_resv_critical()
120 	if (!xfs_metafile_resv_can_cover(mp,  in xfs_metafile_resv_critical()
121 			div_u64(mp->m_metafile_resv_target, 10)))  in xfs_metafile_resv_critical()
124 	return XFS_TEST_ERROR(mp, XFS_ERRTAG_METAFILE_RESV_CRITICAL);  in xfs_metafile_resv_critical()
133 	struct xfs_mount	*mp = ip->i_mount;  in xfs_metafile_resv_alloc_space()  local
139 	trace_xfs_metafile_resv_alloc_space(mp, args->len);  in xfs_metafile_resv_alloc_space()
145 	mutex_lock(&mp->m_metafile_resv_lock);  in xfs_metafile_resv_alloc_space()
146 	if (mp->m_metafile_resv_avail > 0) {  in xfs_metafile_resv_alloc_space()
149 		from_resv = min_t(int64_t, len, mp->m_metafile_resv_avail);  in xfs_metafile_resv_alloc_space()
150 		mp->m_metafile_resv_avail -= from_resv;  in xfs_metafile_resv_alloc_space()
177 	mp->m_metafile_resv_used += args->len;  in xfs_metafile_resv_alloc_space()
178 	mutex_unlock(&mp->m_metafile_resv_lock);  in xfs_metafile_resv_alloc_space()
191 	struct xfs_mount	*mp = ip->i_mount;  in xfs_metafile_resv_free_space()  local
196 	trace_xfs_metafile_resv_free_space(mp, len);  in xfs_metafile_resv_free_space()
201 	mutex_lock(&mp->m_metafile_resv_lock);  in xfs_metafile_resv_free_space()
202 	mp->m_metafile_resv_used -= len;  in xfs_metafile_resv_free_space()
208 	to_resv = mp->m_metafile_resv_target -  in xfs_metafile_resv_free_space()
209 		(mp->m_metafile_resv_used + mp->m_metafile_resv_avail);  in xfs_metafile_resv_free_space()
212 		mp->m_metafile_resv_avail += to_resv;  in xfs_metafile_resv_free_space()
217 	mutex_unlock(&mp->m_metafile_resv_lock);  in xfs_metafile_resv_free_space()
229 	struct xfs_mount	*mp)  in __xfs_metafile_resv_free()  argument
231 	if (mp->m_metafile_resv_avail) {  in __xfs_metafile_resv_free()
232 		xfs_mod_sb_delalloc(mp, -(int64_t)mp->m_metafile_resv_avail);  in __xfs_metafile_resv_free()
233 		xfs_add_fdblocks(mp, mp->m_metafile_resv_avail);  in __xfs_metafile_resv_free()
235 	mp->m_metafile_resv_avail = 0;  in __xfs_metafile_resv_free()
236 	mp->m_metafile_resv_used = 0;  in __xfs_metafile_resv_free()
237 	mp->m_metafile_resv_target = 0;  in __xfs_metafile_resv_free()
243 	struct xfs_mount	*mp)  in xfs_metafile_resv_free()  argument
245 	if (!xfs_has_metadir(mp))  in xfs_metafile_resv_free()
248 	trace_xfs_metafile_resv_free(mp, 0);  in xfs_metafile_resv_free()
250 	mutex_lock(&mp->m_metafile_resv_lock);  in xfs_metafile_resv_free()
251 	__xfs_metafile_resv_free(mp);  in xfs_metafile_resv_free()
252 	mutex_unlock(&mp->m_metafile_resv_lock);  in xfs_metafile_resv_free()
258 	struct xfs_mount	*mp)  in xfs_metafile_resv_init()  argument
263 	xfs_rfsblock_t		dblocks_avail = mp->m_sb.sb_dblocks / 4;  in xfs_metafile_resv_init()
266 	if (!xfs_has_metadir(mp))  in xfs_metafile_resv_init()
272 	mutex_lock(&mp->m_metafile_resv_lock);  in xfs_metafile_resv_init()
273 	__xfs_metafile_resv_free(mp);  in xfs_metafile_resv_init()
280 	while ((rtg = xfs_rtgroup_next(mp, rtg))) {  in xfs_metafile_resv_init()
281 		if (xfs_has_rtrmapbt(mp)) {  in xfs_metafile_resv_init()
283 			target += xfs_rtrmapbt_calc_reserves(mp);  in xfs_metafile_resv_init()
285 		if (xfs_has_rtreflink(mp)) {  in xfs_metafile_resv_init()
287 			target += xfs_rtrefcountbt_calc_reserves(mp);  in xfs_metafile_resv_init()
305 	error = xfs_dec_fdblocks(mp, hidden_space, true);  in xfs_metafile_resv_init()
307 		trace_xfs_metafile_resv_init_error(mp, 0);  in xfs_metafile_resv_init()
311 	xfs_mod_sb_delalloc(mp, hidden_space);  in xfs_metafile_resv_init()
313 	mp->m_metafile_resv_target = target;  in xfs_metafile_resv_init()
314 	mp->m_metafile_resv_used = used;  in xfs_metafile_resv_init()
315 	mp->m_metafile_resv_avail = hidden_space;  in xfs_metafile_resv_init()
317 	trace_xfs_metafile_resv_init(mp, target);  in xfs_metafile_resv_init()
320 	mutex_unlock(&mp->m_metafile_resv_lock);  in xfs_metafile_resv_init()