Lines Matching full:ac
93 static int ocfs2_claim_suballoc_bits(struct ocfs2_alloc_context *ac,
118 struct ocfs2_alloc_context **ac);
120 void ocfs2_free_ac_resource(struct ocfs2_alloc_context *ac) in ocfs2_free_ac_resource() argument
122 struct inode *inode = ac->ac_inode; in ocfs2_free_ac_resource()
125 if (ac->ac_which != OCFS2_AC_USE_LOCAL) in ocfs2_free_ac_resource()
131 ac->ac_inode = NULL; in ocfs2_free_ac_resource()
133 brelse(ac->ac_bh); in ocfs2_free_ac_resource()
134 ac->ac_bh = NULL; in ocfs2_free_ac_resource()
135 ac->ac_resv = NULL; in ocfs2_free_ac_resource()
136 kfree(ac->ac_find_loc_priv); in ocfs2_free_ac_resource()
137 ac->ac_find_loc_priv = NULL; in ocfs2_free_ac_resource()
140 void ocfs2_free_alloc_context(struct ocfs2_alloc_context *ac) in ocfs2_free_alloc_context() argument
142 ocfs2_free_ac_resource(ac); in ocfs2_free_alloc_context()
143 kfree(ac); in ocfs2_free_alloc_context()
421 struct ocfs2_alloc_context *ac, in ocfs2_block_group_alloc_contig() argument
430 status = ocfs2_claim_clusters(handle, ac, in ocfs2_block_group_alloc_contig()
465 struct ocfs2_alloc_context *ac, in ocfs2_block_group_claim_bits() argument
472 status = ocfs2_claim_clusters(handle, ac, min_bits, in ocfs2_block_group_claim_bits()
486 struct ocfs2_alloc_context *ac, in ocfs2_block_group_grow_discontig() argument
513 status = ocfs2_block_group_claim_bits(osb, handle, ac, in ocfs2_block_group_grow_discontig()
578 struct ocfs2_alloc_context *ac, in ocfs2_block_group_alloc_discontig() argument
607 ac->ac_disable_chain_relink = 1; in ocfs2_block_group_alloc_discontig()
610 status = ocfs2_block_group_claim_bits(osb, handle, ac, min_bits, in ocfs2_block_group_alloc_discontig()
640 bg_bh, ac, cl, min_bits); in ocfs2_block_group_alloc_discontig()
646 ocfs2_bg_alloc_cleanup(handle, ac, alloc_inode, bg_bh); in ocfs2_block_group_alloc_discontig()
663 struct ocfs2_alloc_context *ac = NULL; in ocfs2_block_group_alloc() local
674 max_block, flags, &ac); in ocfs2_block_group_alloc()
694 ac->ac_last_group = *last_alloc_group; in ocfs2_block_group_alloc()
698 ac, cl); in ocfs2_block_group_alloc()
702 ac, cl); in ocfs2_block_group_alloc()
748 *last_alloc_group = ac->ac_last_group; in ocfs2_block_group_alloc()
754 if (ac) in ocfs2_block_group_alloc()
755 ocfs2_free_alloc_context(ac); in ocfs2_block_group_alloc()
765 struct ocfs2_alloc_context *ac, in ocfs2_reserve_suballoc_bits() argument
772 u32 bits_wanted = ac->ac_bits_wanted; in ocfs2_reserve_suballoc_bits()
795 ac->ac_inode = alloc_inode; in ocfs2_reserve_suballoc_bits()
796 ac->ac_alloc_slot = slot; in ocfs2_reserve_suballoc_bits()
831 ac->ac_max_block, in ocfs2_reserve_suballoc_bits()
847 ac->ac_bh = bh; in ocfs2_reserve_suballoc_bits()
913 struct ocfs2_alloc_context *ac, in ocfs2_steal_resource() argument
930 status = ocfs2_reserve_suballoc_bits(osb, ac, in ocfs2_steal_resource()
939 ocfs2_free_ac_resource(ac); in ocfs2_steal_resource()
946 struct ocfs2_alloc_context *ac) in ocfs2_steal_inode() argument
948 return ocfs2_steal_resource(osb, ac, INODE_ALLOC_SYSTEM_INODE); in ocfs2_steal_inode()
952 struct ocfs2_alloc_context *ac) in ocfs2_steal_meta() argument
954 return ocfs2_steal_resource(osb, ac, EXTENT_ALLOC_SYSTEM_INODE); in ocfs2_steal_meta()
959 struct ocfs2_alloc_context **ac) in ocfs2_reserve_new_metadata_blocks() argument
964 *ac = kzalloc(sizeof(struct ocfs2_alloc_context), GFP_KERNEL); in ocfs2_reserve_new_metadata_blocks()
965 if (!(*ac)) { in ocfs2_reserve_new_metadata_blocks()
971 (*ac)->ac_bits_wanted = blocks; in ocfs2_reserve_new_metadata_blocks()
972 (*ac)->ac_which = OCFS2_AC_USE_META; in ocfs2_reserve_new_metadata_blocks()
973 (*ac)->ac_group_search = ocfs2_block_group_search; in ocfs2_reserve_new_metadata_blocks()
980 status = ocfs2_reserve_suballoc_bits(osb, (*ac), in ocfs2_reserve_new_metadata_blocks()
996 ocfs2_free_ac_resource(*ac); in ocfs2_reserve_new_metadata_blocks()
999 status = ocfs2_steal_meta(osb, *ac); in ocfs2_reserve_new_metadata_blocks()
1009 if ((status < 0) && *ac) { in ocfs2_reserve_new_metadata_blocks()
1010 ocfs2_free_alloc_context(*ac); in ocfs2_reserve_new_metadata_blocks()
1011 *ac = NULL; in ocfs2_reserve_new_metadata_blocks()
1021 struct ocfs2_alloc_context **ac) in ocfs2_reserve_new_metadata() argument
1025 ac); in ocfs2_reserve_new_metadata()
1029 struct ocfs2_alloc_context **ac) in ocfs2_reserve_new_inode() argument
1035 *ac = kzalloc(sizeof(struct ocfs2_alloc_context), GFP_KERNEL); in ocfs2_reserve_new_inode()
1036 if (!(*ac)) { in ocfs2_reserve_new_inode()
1042 (*ac)->ac_bits_wanted = 1; in ocfs2_reserve_new_inode()
1043 (*ac)->ac_which = OCFS2_AC_USE_INODE; in ocfs2_reserve_new_inode()
1045 (*ac)->ac_group_search = ocfs2_block_group_search; in ocfs2_reserve_new_inode()
1053 (*ac)->ac_max_block = (u32)~0U; in ocfs2_reserve_new_inode()
1070 status = ocfs2_reserve_suballoc_bits(osb, *ac, in ocfs2_reserve_new_inode()
1097 ocfs2_free_ac_resource(*ac); in ocfs2_reserve_new_inode()
1100 status = ocfs2_steal_inode(osb, *ac); in ocfs2_reserve_new_inode()
1110 if ((status < 0) && *ac) { in ocfs2_reserve_new_inode()
1111 ocfs2_free_alloc_context(*ac); in ocfs2_reserve_new_inode()
1112 *ac = NULL; in ocfs2_reserve_new_inode()
1123 struct ocfs2_alloc_context *ac) in ocfs2_reserve_cluster_bitmap_bits() argument
1127 ac->ac_which = OCFS2_AC_USE_MAIN; in ocfs2_reserve_cluster_bitmap_bits()
1128 ac->ac_group_search = ocfs2_cluster_group_search; in ocfs2_reserve_cluster_bitmap_bits()
1130 status = ocfs2_reserve_suballoc_bits(osb, ac, in ocfs2_reserve_cluster_bitmap_bits()
1146 struct ocfs2_alloc_context **ac) in ocfs2_reserve_clusters_with_limit() argument
1151 *ac = kzalloc(sizeof(struct ocfs2_alloc_context), GFP_KERNEL); in ocfs2_reserve_clusters_with_limit()
1152 if (!(*ac)) { in ocfs2_reserve_clusters_with_limit()
1158 (*ac)->ac_bits_wanted = bits_wanted; in ocfs2_reserve_clusters_with_limit()
1159 (*ac)->ac_max_block = max_block; in ocfs2_reserve_clusters_with_limit()
1166 *ac); in ocfs2_reserve_clusters_with_limit()
1175 status = ocfs2_reserve_cluster_bitmap_bits(osb, *ac); in ocfs2_reserve_clusters_with_limit()
1179 ocfs2_inode_unlock((*ac)->ac_inode, 1); in ocfs2_reserve_clusters_with_limit()
1180 inode_unlock((*ac)->ac_inode); in ocfs2_reserve_clusters_with_limit()
1184 iput((*ac)->ac_inode); in ocfs2_reserve_clusters_with_limit()
1185 (*ac)->ac_inode = NULL; in ocfs2_reserve_clusters_with_limit()
1192 inode_lock((*ac)->ac_inode); in ocfs2_reserve_clusters_with_limit()
1193 ret = ocfs2_inode_lock((*ac)->ac_inode, NULL, 1); in ocfs2_reserve_clusters_with_limit()
1196 inode_unlock((*ac)->ac_inode); in ocfs2_reserve_clusters_with_limit()
1197 iput((*ac)->ac_inode); in ocfs2_reserve_clusters_with_limit()
1198 (*ac)->ac_inode = NULL; in ocfs2_reserve_clusters_with_limit()
1211 if ((status < 0) && *ac) { in ocfs2_reserve_clusters_with_limit()
1212 ocfs2_free_alloc_context(*ac); in ocfs2_reserve_clusters_with_limit()
1213 *ac = NULL; in ocfs2_reserve_clusters_with_limit()
1223 struct ocfs2_alloc_context **ac) in ocfs2_reserve_clusters() argument
1226 ALLOC_NEW_GROUP, ac); in ocfs2_reserve_clusters()
1639 static void ocfs2_bg_discontig_fix_result(struct ocfs2_alloc_context *ac, in ocfs2_bg_discontig_fix_result() argument
1646 struct ocfs2_dinode *di = (struct ocfs2_dinode *)ac->ac_bh->b_data; in ocfs2_bg_discontig_fix_result()
1649 if (ocfs2_is_cluster_bitmap(ac->ac_inode)) { in ocfs2_bg_discontig_fix_result()
1656 if (!ocfs2_supports_discontig_bg(OCFS2_SB(ac->ac_inode->i_sb)) || in ocfs2_bg_discontig_fix_result()
1669 static int ocfs2_search_one_group(struct ocfs2_alloc_context *ac, in ocfs2_search_one_group() argument
1679 struct ocfs2_dinode *di = (struct ocfs2_dinode *)ac->ac_bh->b_data; in ocfs2_search_one_group()
1680 struct inode *alloc_inode = ac->ac_inode; in ocfs2_search_one_group()
1690 ret = ac->ac_group_search(alloc_inode, group_bh, bits_wanted, min_bits, in ocfs2_search_one_group()
1691 ac->ac_max_block, res); in ocfs2_search_one_group()
1699 ocfs2_bg_discontig_fix_result(ac, gd, res); in ocfs2_search_one_group()
1707 if (ac->ac_find_loc_only) in ocfs2_search_one_group()
1710 ret = ocfs2_alloc_dinode_update_counts(alloc_inode, handle, ac->ac_bh, in ocfs2_search_one_group()
1721 ocfs2_rollback_alloc_dinode_counts(alloc_inode, ac->ac_bh, in ocfs2_search_one_group()
1736 static int ocfs2_search_chain(struct ocfs2_alloc_context *ac, in ocfs2_search_chain() argument
1746 struct inode *alloc_inode = ac->ac_inode; in ocfs2_search_chain()
1749 struct ocfs2_dinode *fe = (struct ocfs2_dinode *) ac->ac_bh->b_data; in ocfs2_search_chain()
1753 chain = ac->ac_chain; in ocfs2_search_chain()
1770 while ((status = ac->ac_group_search(alloc_inode, group_bh, in ocfs2_search_chain()
1772 ac->ac_max_block, in ocfs2_search_chain()
1804 ocfs2_bg_discontig_fix_result(ac, bg, res); in ocfs2_search_chain()
1825 if (!ac->ac_disable_chain_relink && in ocfs2_search_chain()
1829 ac->ac_bh, group_bh, in ocfs2_search_chain()
1837 if (ac->ac_find_loc_only) in ocfs2_search_chain()
1841 ac->ac_bh, res->sr_bits, in ocfs2_search_chain()
1856 ac->ac_bh, res->sr_bits, chain); in ocfs2_search_chain()
1877 static int ocfs2_claim_suballoc_bits(struct ocfs2_alloc_context *ac, in ocfs2_claim_suballoc_bits() argument
1886 u64 hint = ac->ac_last_group; in ocfs2_claim_suballoc_bits()
1890 BUG_ON(ac->ac_bits_given >= ac->ac_bits_wanted); in ocfs2_claim_suballoc_bits()
1891 BUG_ON(bits_wanted > (ac->ac_bits_wanted - ac->ac_bits_given)); in ocfs2_claim_suballoc_bits()
1892 BUG_ON(!ac->ac_bh); in ocfs2_claim_suballoc_bits()
1894 fe = (struct ocfs2_dinode *) ac->ac_bh->b_data; in ocfs2_claim_suballoc_bits()
1902 status = ocfs2_error(ac->ac_inode->i_sb, in ocfs2_claim_suballoc_bits()
1916 status = ocfs2_search_one_group(ac, handle, bits_wanted, in ocfs2_claim_suballoc_bits()
1929 ac->ac_chain = victim; in ocfs2_claim_suballoc_bits()
1931 status = ocfs2_search_chain(ac, handle, bits_wanted, min_bits, in ocfs2_claim_suballoc_bits()
1934 if (ocfs2_is_cluster_bitmap(ac->ac_inode)) in ocfs2_claim_suballoc_bits()
1951 ac->ac_disable_chain_relink = 1; in ocfs2_claim_suballoc_bits()
1958 ac->ac_chain = i; in ocfs2_claim_suballoc_bits()
1959 status = ocfs2_search_chain(ac, handle, bits_wanted, min_bits, in ocfs2_claim_suballoc_bits()
1977 ac->ac_last_group = 0; in ocfs2_claim_suballoc_bits()
1979 ac->ac_last_group = hint; in ocfs2_claim_suballoc_bits()
1989 struct ocfs2_alloc_context *ac, in ocfs2_claim_metadata() argument
1999 BUG_ON(!ac); in ocfs2_claim_metadata()
2000 BUG_ON(ac->ac_bits_wanted < (ac->ac_bits_given + bits_wanted)); in ocfs2_claim_metadata()
2001 BUG_ON(ac->ac_which != OCFS2_AC_USE_META); in ocfs2_claim_metadata()
2003 status = ocfs2_claim_suballoc_bits(ac, in ocfs2_claim_metadata()
2012 atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs); in ocfs2_claim_metadata()
2017 ac->ac_bits_given += res.sr_bits; in ocfs2_claim_metadata()
2028 struct ocfs2_alloc_context *ac) in ocfs2_init_inode_ac_group() argument
2042 OCFS2_I(dir)->ip_last_used_slot == ac->ac_alloc_slot) in ocfs2_init_inode_ac_group()
2043 ac->ac_last_group = OCFS2_I(dir)->ip_last_used_group; in ocfs2_init_inode_ac_group()
2044 else if (le16_to_cpu(di->i_suballoc_slot) == ac->ac_alloc_slot) { in ocfs2_init_inode_ac_group()
2046 ac->ac_last_group = le64_to_cpu(di->i_suballoc_loc); in ocfs2_init_inode_ac_group()
2048 ac->ac_last_group = ocfs2_which_suballoc_group( in ocfs2_init_inode_ac_group()
2055 struct ocfs2_alloc_context *ac) in ocfs2_save_inode_ac_group() argument
2057 OCFS2_I(dir)->ip_last_used_group = ac->ac_last_group; in ocfs2_save_inode_ac_group()
2058 OCFS2_I(dir)->ip_last_used_slot = ac->ac_alloc_slot; in ocfs2_save_inode_ac_group()
2063 struct ocfs2_alloc_context *ac, in ocfs2_find_new_inode_loc() argument
2070 BUG_ON(!ac); in ocfs2_find_new_inode_loc()
2071 BUG_ON(ac->ac_bits_given != 0); in ocfs2_find_new_inode_loc()
2072 BUG_ON(ac->ac_bits_wanted != 1); in ocfs2_find_new_inode_loc()
2073 BUG_ON(ac->ac_which != OCFS2_AC_USE_INODE); in ocfs2_find_new_inode_loc()
2082 ocfs2_init_inode_ac_group(dir, parent_fe_bh, ac); in ocfs2_find_new_inode_loc()
2101 ac->ac_find_loc_only = 1; in ocfs2_find_new_inode_loc()
2103 ret = ocfs2_claim_suballoc_bits(ac, handle, 1, 1, res); in ocfs2_find_new_inode_loc()
2109 ac->ac_find_loc_priv = res; in ocfs2_find_new_inode_loc()
2124 struct ocfs2_alloc_context *ac, in ocfs2_claim_new_inode_at_loc() argument
2131 struct ocfs2_suballoc_result *res = ac->ac_find_loc_priv; in ocfs2_claim_new_inode_at_loc()
2134 struct ocfs2_dinode *di = (struct ocfs2_dinode *) ac->ac_bh->b_data; in ocfs2_claim_new_inode_at_loc()
2144 ret = ocfs2_read_group_descriptor(ac->ac_inode, di, in ocfs2_claim_new_inode_at_loc()
2154 ret = ocfs2_alloc_dinode_update_counts(ac->ac_inode, handle, in ocfs2_claim_new_inode_at_loc()
2155 ac->ac_bh, res->sr_bits, in ocfs2_claim_new_inode_at_loc()
2163 ac->ac_inode, in ocfs2_claim_new_inode_at_loc()
2169 ocfs2_rollback_alloc_dinode_counts(ac->ac_inode, in ocfs2_claim_new_inode_at_loc()
2170 ac->ac_bh, res->sr_bits, chain); in ocfs2_claim_new_inode_at_loc()
2178 atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs); in ocfs2_claim_new_inode_at_loc()
2184 ac->ac_bits_given++; in ocfs2_claim_new_inode_at_loc()
2185 ocfs2_save_inode_ac_group(dir, ac); in ocfs2_claim_new_inode_at_loc()
2196 struct ocfs2_alloc_context *ac, in ocfs2_claim_new_inode() argument
2204 BUG_ON(!ac); in ocfs2_claim_new_inode()
2205 BUG_ON(ac->ac_bits_given != 0); in ocfs2_claim_new_inode()
2206 BUG_ON(ac->ac_bits_wanted != 1); in ocfs2_claim_new_inode()
2207 BUG_ON(ac->ac_which != OCFS2_AC_USE_INODE); in ocfs2_claim_new_inode()
2209 ocfs2_init_inode_ac_group(dir, parent_fe_bh, ac); in ocfs2_claim_new_inode()
2211 status = ocfs2_claim_suballoc_bits(ac, in ocfs2_claim_new_inode()
2220 atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs); in ocfs2_claim_new_inode()
2227 ac->ac_bits_given++; in ocfs2_claim_new_inode()
2228 ocfs2_save_inode_ac_group(dir, ac); in ocfs2_claim_new_inode()
2298 struct ocfs2_alloc_context *ac, in __ocfs2_claim_clusters() argument
2307 struct ocfs2_super *osb = OCFS2_SB(ac->ac_inode->i_sb); in __ocfs2_claim_clusters()
2309 BUG_ON(ac->ac_bits_given >= ac->ac_bits_wanted); in __ocfs2_claim_clusters()
2311 BUG_ON(ac->ac_which != OCFS2_AC_USE_LOCAL in __ocfs2_claim_clusters()
2312 && ac->ac_which != OCFS2_AC_USE_MAIN); in __ocfs2_claim_clusters()
2314 if (ac->ac_which == OCFS2_AC_USE_LOCAL) { in __ocfs2_claim_clusters()
2319 ac, in __ocfs2_claim_clusters()
2339 status = ocfs2_claim_suballoc_bits(ac, in __ocfs2_claim_clusters()
2347 ocfs2_desc_bitmap_to_cluster_off(ac->ac_inode, in __ocfs2_claim_clusters()
2360 ac->ac_bits_given += *num_clusters; in __ocfs2_claim_clusters()
2369 struct ocfs2_alloc_context *ac, in ocfs2_claim_clusters() argument
2374 unsigned int bits_wanted = ac->ac_bits_wanted - ac->ac_bits_given; in ocfs2_claim_clusters()
2376 return __ocfs2_claim_clusters(handle, ac, min_clusters, in ocfs2_claim_clusters()