Lines Matching refs:ac
107 static int ocfs2_claim_suballoc_bits(struct ocfs2_alloc_context *ac,
132 struct ocfs2_alloc_context **ac);
134 void ocfs2_free_ac_resource(struct ocfs2_alloc_context *ac) in ocfs2_free_ac_resource() argument
136 struct inode *inode = ac->ac_inode; in ocfs2_free_ac_resource()
139 if (ac->ac_which != OCFS2_AC_USE_LOCAL) in ocfs2_free_ac_resource()
145 ac->ac_inode = NULL; in ocfs2_free_ac_resource()
147 brelse(ac->ac_bh); in ocfs2_free_ac_resource()
148 ac->ac_bh = NULL; in ocfs2_free_ac_resource()
149 ac->ac_resv = NULL; in ocfs2_free_ac_resource()
150 kfree(ac->ac_find_loc_priv); in ocfs2_free_ac_resource()
151 ac->ac_find_loc_priv = NULL; in ocfs2_free_ac_resource()
154 void ocfs2_free_alloc_context(struct ocfs2_alloc_context *ac) in ocfs2_free_alloc_context() argument
156 ocfs2_free_ac_resource(ac); in ocfs2_free_alloc_context()
157 kfree(ac); in ocfs2_free_alloc_context()
435 struct ocfs2_alloc_context *ac, in ocfs2_block_group_alloc_contig() argument
444 status = ocfs2_claim_clusters(handle, ac, in ocfs2_block_group_alloc_contig()
479 struct ocfs2_alloc_context *ac, in ocfs2_block_group_claim_bits() argument
486 status = ocfs2_claim_clusters(handle, ac, min_bits, in ocfs2_block_group_claim_bits()
500 struct ocfs2_alloc_context *ac, in ocfs2_block_group_grow_discontig() argument
527 status = ocfs2_block_group_claim_bits(osb, handle, ac, in ocfs2_block_group_grow_discontig()
592 struct ocfs2_alloc_context *ac, in ocfs2_block_group_alloc_discontig() argument
621 ac->ac_disable_chain_relink = 1; in ocfs2_block_group_alloc_discontig()
624 status = ocfs2_block_group_claim_bits(osb, handle, ac, min_bits, in ocfs2_block_group_alloc_discontig()
654 bg_bh, ac, cl, min_bits); in ocfs2_block_group_alloc_discontig()
660 ocfs2_bg_alloc_cleanup(handle, ac, alloc_inode, bg_bh); in ocfs2_block_group_alloc_discontig()
677 struct ocfs2_alloc_context *ac = NULL; in ocfs2_block_group_alloc() local
688 max_block, flags, &ac); in ocfs2_block_group_alloc()
708 ac->ac_last_group = *last_alloc_group; in ocfs2_block_group_alloc()
712 ac, cl); in ocfs2_block_group_alloc()
716 ac, cl); in ocfs2_block_group_alloc()
762 *last_alloc_group = ac->ac_last_group; in ocfs2_block_group_alloc()
768 if (ac) in ocfs2_block_group_alloc()
769 ocfs2_free_alloc_context(ac); in ocfs2_block_group_alloc()
779 struct ocfs2_alloc_context *ac, in ocfs2_reserve_suballoc_bits() argument
786 u32 bits_wanted = ac->ac_bits_wanted; in ocfs2_reserve_suballoc_bits()
809 ac->ac_inode = alloc_inode; in ocfs2_reserve_suballoc_bits()
810 ac->ac_alloc_slot = slot; in ocfs2_reserve_suballoc_bits()
845 ac->ac_max_block, in ocfs2_reserve_suballoc_bits()
861 ac->ac_bh = bh; in ocfs2_reserve_suballoc_bits()
927 struct ocfs2_alloc_context *ac, in ocfs2_steal_resource() argument
944 status = ocfs2_reserve_suballoc_bits(osb, ac, in ocfs2_steal_resource()
953 ocfs2_free_ac_resource(ac); in ocfs2_steal_resource()
960 struct ocfs2_alloc_context *ac) in ocfs2_steal_inode() argument
962 return ocfs2_steal_resource(osb, ac, INODE_ALLOC_SYSTEM_INODE); in ocfs2_steal_inode()
966 struct ocfs2_alloc_context *ac) in ocfs2_steal_meta() argument
968 return ocfs2_steal_resource(osb, ac, EXTENT_ALLOC_SYSTEM_INODE); in ocfs2_steal_meta()
973 struct ocfs2_alloc_context **ac) in ocfs2_reserve_new_metadata_blocks() argument
978 *ac = kzalloc(sizeof(struct ocfs2_alloc_context), GFP_KERNEL); in ocfs2_reserve_new_metadata_blocks()
979 if (!(*ac)) { in ocfs2_reserve_new_metadata_blocks()
985 (*ac)->ac_bits_wanted = blocks; in ocfs2_reserve_new_metadata_blocks()
986 (*ac)->ac_which = OCFS2_AC_USE_META; in ocfs2_reserve_new_metadata_blocks()
987 (*ac)->ac_group_search = ocfs2_block_group_search; in ocfs2_reserve_new_metadata_blocks()
994 status = ocfs2_reserve_suballoc_bits(osb, (*ac), in ocfs2_reserve_new_metadata_blocks()
1010 ocfs2_free_ac_resource(*ac); in ocfs2_reserve_new_metadata_blocks()
1013 status = ocfs2_steal_meta(osb, *ac); in ocfs2_reserve_new_metadata_blocks()
1023 if ((status < 0) && *ac) { in ocfs2_reserve_new_metadata_blocks()
1024 ocfs2_free_alloc_context(*ac); in ocfs2_reserve_new_metadata_blocks()
1025 *ac = NULL; in ocfs2_reserve_new_metadata_blocks()
1035 struct ocfs2_alloc_context **ac) in ocfs2_reserve_new_metadata() argument
1039 ac); in ocfs2_reserve_new_metadata()
1043 struct ocfs2_alloc_context **ac) in ocfs2_reserve_new_inode() argument
1049 *ac = kzalloc(sizeof(struct ocfs2_alloc_context), GFP_KERNEL); in ocfs2_reserve_new_inode()
1050 if (!(*ac)) { in ocfs2_reserve_new_inode()
1056 (*ac)->ac_bits_wanted = 1; in ocfs2_reserve_new_inode()
1057 (*ac)->ac_which = OCFS2_AC_USE_INODE; in ocfs2_reserve_new_inode()
1059 (*ac)->ac_group_search = ocfs2_block_group_search; in ocfs2_reserve_new_inode()
1067 (*ac)->ac_max_block = (u32)~0U; in ocfs2_reserve_new_inode()
1084 status = ocfs2_reserve_suballoc_bits(osb, *ac, in ocfs2_reserve_new_inode()
1111 ocfs2_free_ac_resource(*ac); in ocfs2_reserve_new_inode()
1114 status = ocfs2_steal_inode(osb, *ac); in ocfs2_reserve_new_inode()
1124 if ((status < 0) && *ac) { in ocfs2_reserve_new_inode()
1125 ocfs2_free_alloc_context(*ac); in ocfs2_reserve_new_inode()
1126 *ac = NULL; in ocfs2_reserve_new_inode()
1137 struct ocfs2_alloc_context *ac) in ocfs2_reserve_cluster_bitmap_bits() argument
1141 ac->ac_which = OCFS2_AC_USE_MAIN; in ocfs2_reserve_cluster_bitmap_bits()
1142 ac->ac_group_search = ocfs2_cluster_group_search; in ocfs2_reserve_cluster_bitmap_bits()
1144 status = ocfs2_reserve_suballoc_bits(osb, ac, in ocfs2_reserve_cluster_bitmap_bits()
1160 struct ocfs2_alloc_context **ac) in ocfs2_reserve_clusters_with_limit() argument
1165 *ac = kzalloc(sizeof(struct ocfs2_alloc_context), GFP_KERNEL); in ocfs2_reserve_clusters_with_limit()
1166 if (!(*ac)) { in ocfs2_reserve_clusters_with_limit()
1172 (*ac)->ac_bits_wanted = bits_wanted; in ocfs2_reserve_clusters_with_limit()
1173 (*ac)->ac_max_block = max_block; in ocfs2_reserve_clusters_with_limit()
1180 *ac); in ocfs2_reserve_clusters_with_limit()
1189 status = ocfs2_reserve_cluster_bitmap_bits(osb, *ac); in ocfs2_reserve_clusters_with_limit()
1193 ocfs2_inode_unlock((*ac)->ac_inode, 1); in ocfs2_reserve_clusters_with_limit()
1194 inode_unlock((*ac)->ac_inode); in ocfs2_reserve_clusters_with_limit()
1198 iput((*ac)->ac_inode); in ocfs2_reserve_clusters_with_limit()
1199 (*ac)->ac_inode = NULL; in ocfs2_reserve_clusters_with_limit()
1206 inode_lock((*ac)->ac_inode); in ocfs2_reserve_clusters_with_limit()
1207 ret = ocfs2_inode_lock((*ac)->ac_inode, NULL, 1); in ocfs2_reserve_clusters_with_limit()
1210 inode_unlock((*ac)->ac_inode); in ocfs2_reserve_clusters_with_limit()
1211 iput((*ac)->ac_inode); in ocfs2_reserve_clusters_with_limit()
1212 (*ac)->ac_inode = NULL; in ocfs2_reserve_clusters_with_limit()
1225 if ((status < 0) && *ac) { in ocfs2_reserve_clusters_with_limit()
1226 ocfs2_free_alloc_context(*ac); in ocfs2_reserve_clusters_with_limit()
1227 *ac = NULL; in ocfs2_reserve_clusters_with_limit()
1237 struct ocfs2_alloc_context **ac) in ocfs2_reserve_clusters() argument
1240 ALLOC_NEW_GROUP, ac); in ocfs2_reserve_clusters()
1651 static void ocfs2_bg_discontig_fix_result(struct ocfs2_alloc_context *ac, in ocfs2_bg_discontig_fix_result() argument
1658 struct ocfs2_dinode *di = (struct ocfs2_dinode *)ac->ac_bh->b_data; in ocfs2_bg_discontig_fix_result()
1661 if (ocfs2_is_cluster_bitmap(ac->ac_inode)) { in ocfs2_bg_discontig_fix_result()
1668 if (!ocfs2_supports_discontig_bg(OCFS2_SB(ac->ac_inode->i_sb)) || in ocfs2_bg_discontig_fix_result()
1681 static int ocfs2_search_one_group(struct ocfs2_alloc_context *ac, in ocfs2_search_one_group() argument
1691 struct ocfs2_dinode *di = (struct ocfs2_dinode *)ac->ac_bh->b_data; in ocfs2_search_one_group()
1692 struct inode *alloc_inode = ac->ac_inode; in ocfs2_search_one_group()
1702 ret = ac->ac_group_search(alloc_inode, group_bh, bits_wanted, min_bits, in ocfs2_search_one_group()
1703 ac->ac_max_block, res); in ocfs2_search_one_group()
1711 ocfs2_bg_discontig_fix_result(ac, gd, res); in ocfs2_search_one_group()
1719 if (ac->ac_find_loc_only) in ocfs2_search_one_group()
1722 ret = ocfs2_alloc_dinode_update_counts(alloc_inode, handle, ac->ac_bh, in ocfs2_search_one_group()
1733 ocfs2_rollback_alloc_dinode_counts(alloc_inode, ac->ac_bh, in ocfs2_search_one_group()
1748 static int ocfs2_search_chain(struct ocfs2_alloc_context *ac, in ocfs2_search_chain() argument
1758 struct inode *alloc_inode = ac->ac_inode; in ocfs2_search_chain()
1761 struct ocfs2_dinode *fe = (struct ocfs2_dinode *) ac->ac_bh->b_data; in ocfs2_search_chain()
1765 chain = ac->ac_chain; in ocfs2_search_chain()
1782 while ((status = ac->ac_group_search(alloc_inode, group_bh, in ocfs2_search_chain()
1784 ac->ac_max_block, in ocfs2_search_chain()
1816 ocfs2_bg_discontig_fix_result(ac, bg, res); in ocfs2_search_chain()
1837 if (!ac->ac_disable_chain_relink && in ocfs2_search_chain()
1841 ac->ac_bh, group_bh, in ocfs2_search_chain()
1849 if (ac->ac_find_loc_only) in ocfs2_search_chain()
1853 ac->ac_bh, res->sr_bits, in ocfs2_search_chain()
1868 ac->ac_bh, res->sr_bits, chain); in ocfs2_search_chain()
1889 static int ocfs2_claim_suballoc_bits(struct ocfs2_alloc_context *ac, in ocfs2_claim_suballoc_bits() argument
1898 u64 hint = ac->ac_last_group; in ocfs2_claim_suballoc_bits()
1902 BUG_ON(ac->ac_bits_given >= ac->ac_bits_wanted); in ocfs2_claim_suballoc_bits()
1903 BUG_ON(bits_wanted > (ac->ac_bits_wanted - ac->ac_bits_given)); in ocfs2_claim_suballoc_bits()
1904 BUG_ON(!ac->ac_bh); in ocfs2_claim_suballoc_bits()
1906 fe = (struct ocfs2_dinode *) ac->ac_bh->b_data; in ocfs2_claim_suballoc_bits()
1914 status = ocfs2_error(ac->ac_inode->i_sb, in ocfs2_claim_suballoc_bits()
1928 status = ocfs2_search_one_group(ac, handle, bits_wanted, in ocfs2_claim_suballoc_bits()
1941 ac->ac_chain = victim; in ocfs2_claim_suballoc_bits()
1943 status = ocfs2_search_chain(ac, handle, bits_wanted, min_bits, in ocfs2_claim_suballoc_bits()
1946 if (ocfs2_is_cluster_bitmap(ac->ac_inode)) in ocfs2_claim_suballoc_bits()
1963 ac->ac_disable_chain_relink = 1; in ocfs2_claim_suballoc_bits()
1970 ac->ac_chain = i; in ocfs2_claim_suballoc_bits()
1971 status = ocfs2_search_chain(ac, handle, bits_wanted, min_bits, in ocfs2_claim_suballoc_bits()
1989 ac->ac_last_group = 0; in ocfs2_claim_suballoc_bits()
1991 ac->ac_last_group = hint; in ocfs2_claim_suballoc_bits()
2001 struct ocfs2_alloc_context *ac, in ocfs2_claim_metadata() argument
2011 BUG_ON(!ac); in ocfs2_claim_metadata()
2012 BUG_ON(ac->ac_bits_wanted < (ac->ac_bits_given + bits_wanted)); in ocfs2_claim_metadata()
2013 BUG_ON(ac->ac_which != OCFS2_AC_USE_META); in ocfs2_claim_metadata()
2015 status = ocfs2_claim_suballoc_bits(ac, in ocfs2_claim_metadata()
2024 atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs); in ocfs2_claim_metadata()
2029 ac->ac_bits_given += res.sr_bits; in ocfs2_claim_metadata()
2040 struct ocfs2_alloc_context *ac) in ocfs2_init_inode_ac_group() argument
2054 OCFS2_I(dir)->ip_last_used_slot == ac->ac_alloc_slot) in ocfs2_init_inode_ac_group()
2055 ac->ac_last_group = OCFS2_I(dir)->ip_last_used_group; in ocfs2_init_inode_ac_group()
2056 else if (le16_to_cpu(di->i_suballoc_slot) == ac->ac_alloc_slot) { in ocfs2_init_inode_ac_group()
2058 ac->ac_last_group = le64_to_cpu(di->i_suballoc_loc); in ocfs2_init_inode_ac_group()
2060 ac->ac_last_group = ocfs2_which_suballoc_group( in ocfs2_init_inode_ac_group()
2067 struct ocfs2_alloc_context *ac) in ocfs2_save_inode_ac_group() argument
2069 OCFS2_I(dir)->ip_last_used_group = ac->ac_last_group; in ocfs2_save_inode_ac_group()
2070 OCFS2_I(dir)->ip_last_used_slot = ac->ac_alloc_slot; in ocfs2_save_inode_ac_group()
2075 struct ocfs2_alloc_context *ac, in ocfs2_find_new_inode_loc() argument
2082 BUG_ON(!ac); in ocfs2_find_new_inode_loc()
2083 BUG_ON(ac->ac_bits_given != 0); in ocfs2_find_new_inode_loc()
2084 BUG_ON(ac->ac_bits_wanted != 1); in ocfs2_find_new_inode_loc()
2085 BUG_ON(ac->ac_which != OCFS2_AC_USE_INODE); in ocfs2_find_new_inode_loc()
2094 ocfs2_init_inode_ac_group(dir, parent_fe_bh, ac); in ocfs2_find_new_inode_loc()
2113 ac->ac_find_loc_only = 1; in ocfs2_find_new_inode_loc()
2115 ret = ocfs2_claim_suballoc_bits(ac, handle, 1, 1, res); in ocfs2_find_new_inode_loc()
2121 ac->ac_find_loc_priv = res; in ocfs2_find_new_inode_loc()
2136 struct ocfs2_alloc_context *ac, in ocfs2_claim_new_inode_at_loc() argument
2143 struct ocfs2_suballoc_result *res = ac->ac_find_loc_priv; in ocfs2_claim_new_inode_at_loc()
2146 struct ocfs2_dinode *di = (struct ocfs2_dinode *) ac->ac_bh->b_data; in ocfs2_claim_new_inode_at_loc()
2156 ret = ocfs2_read_group_descriptor(ac->ac_inode, di, in ocfs2_claim_new_inode_at_loc()
2166 ret = ocfs2_alloc_dinode_update_counts(ac->ac_inode, handle, in ocfs2_claim_new_inode_at_loc()
2167 ac->ac_bh, res->sr_bits, in ocfs2_claim_new_inode_at_loc()
2175 ac->ac_inode, in ocfs2_claim_new_inode_at_loc()
2181 ocfs2_rollback_alloc_dinode_counts(ac->ac_inode, in ocfs2_claim_new_inode_at_loc()
2182 ac->ac_bh, res->sr_bits, chain); in ocfs2_claim_new_inode_at_loc()
2190 atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs); in ocfs2_claim_new_inode_at_loc()
2196 ac->ac_bits_given++; in ocfs2_claim_new_inode_at_loc()
2197 ocfs2_save_inode_ac_group(dir, ac); in ocfs2_claim_new_inode_at_loc()
2208 struct ocfs2_alloc_context *ac, in ocfs2_claim_new_inode() argument
2216 BUG_ON(!ac); in ocfs2_claim_new_inode()
2217 BUG_ON(ac->ac_bits_given != 0); in ocfs2_claim_new_inode()
2218 BUG_ON(ac->ac_bits_wanted != 1); in ocfs2_claim_new_inode()
2219 BUG_ON(ac->ac_which != OCFS2_AC_USE_INODE); in ocfs2_claim_new_inode()
2221 ocfs2_init_inode_ac_group(dir, parent_fe_bh, ac); in ocfs2_claim_new_inode()
2223 status = ocfs2_claim_suballoc_bits(ac, in ocfs2_claim_new_inode()
2232 atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs); in ocfs2_claim_new_inode()
2239 ac->ac_bits_given++; in ocfs2_claim_new_inode()
2240 ocfs2_save_inode_ac_group(dir, ac); in ocfs2_claim_new_inode()
2310 struct ocfs2_alloc_context *ac, in __ocfs2_claim_clusters() argument
2319 struct ocfs2_super *osb = OCFS2_SB(ac->ac_inode->i_sb); in __ocfs2_claim_clusters()
2321 BUG_ON(ac->ac_bits_given >= ac->ac_bits_wanted); in __ocfs2_claim_clusters()
2323 BUG_ON(ac->ac_which != OCFS2_AC_USE_LOCAL in __ocfs2_claim_clusters()
2324 && ac->ac_which != OCFS2_AC_USE_MAIN); in __ocfs2_claim_clusters()
2326 if (ac->ac_which == OCFS2_AC_USE_LOCAL) { in __ocfs2_claim_clusters()
2331 ac, in __ocfs2_claim_clusters()
2351 status = ocfs2_claim_suballoc_bits(ac, in __ocfs2_claim_clusters()
2359 ocfs2_desc_bitmap_to_cluster_off(ac->ac_inode, in __ocfs2_claim_clusters()
2372 ac->ac_bits_given += *num_clusters; in __ocfs2_claim_clusters()
2381 struct ocfs2_alloc_context *ac, in ocfs2_claim_clusters() argument
2386 unsigned int bits_wanted = ac->ac_bits_wanted - ac->ac_bits_given; in ocfs2_claim_clusters()
2388 return __ocfs2_claim_clusters(handle, ac, min_clusters, in ocfs2_claim_clusters()