Lines Matching refs:ac
109 static int ocfs2_claim_suballoc_bits(struct ocfs2_alloc_context *ac,
140 struct ocfs2_alloc_context **ac);
142 void ocfs2_free_ac_resource(struct ocfs2_alloc_context *ac) in ocfs2_free_ac_resource() argument
144 struct inode *inode = ac->ac_inode; in ocfs2_free_ac_resource()
147 if (ac->ac_which != OCFS2_AC_USE_LOCAL) in ocfs2_free_ac_resource()
153 ac->ac_inode = NULL; in ocfs2_free_ac_resource()
155 brelse(ac->ac_bh); in ocfs2_free_ac_resource()
156 ac->ac_bh = NULL; in ocfs2_free_ac_resource()
157 ac->ac_resv = NULL; in ocfs2_free_ac_resource()
158 if (ac->ac_find_loc_priv) { in ocfs2_free_ac_resource()
159 kfree(ac->ac_find_loc_priv); in ocfs2_free_ac_resource()
160 ac->ac_find_loc_priv = NULL; in ocfs2_free_ac_resource()
164 void ocfs2_free_alloc_context(struct ocfs2_alloc_context *ac) in ocfs2_free_alloc_context() argument
166 ocfs2_free_ac_resource(ac); in ocfs2_free_alloc_context()
167 kfree(ac); in ocfs2_free_alloc_context()
459 struct ocfs2_alloc_context *ac, in ocfs2_block_group_alloc_contig() argument
468 status = ocfs2_claim_clusters(handle, ac, in ocfs2_block_group_alloc_contig()
503 struct ocfs2_alloc_context *ac, in ocfs2_block_group_claim_bits() argument
510 status = ocfs2_claim_clusters(handle, ac, min_bits, in ocfs2_block_group_claim_bits()
524 struct ocfs2_alloc_context *ac, in ocfs2_block_group_grow_discontig() argument
551 status = ocfs2_block_group_claim_bits(osb, handle, ac, in ocfs2_block_group_grow_discontig()
616 struct ocfs2_alloc_context *ac, in ocfs2_block_group_alloc_discontig() argument
645 ac->ac_disable_chain_relink = 1; in ocfs2_block_group_alloc_discontig()
648 status = ocfs2_block_group_claim_bits(osb, handle, ac, min_bits, in ocfs2_block_group_alloc_discontig()
678 bg_bh, ac, cl, min_bits); in ocfs2_block_group_alloc_discontig()
684 ocfs2_bg_alloc_cleanup(handle, ac, alloc_inode, bg_bh); in ocfs2_block_group_alloc_discontig()
701 struct ocfs2_alloc_context *ac = NULL; in ocfs2_block_group_alloc() local
712 max_block, flags, &ac); in ocfs2_block_group_alloc()
732 ac->ac_last_group = *last_alloc_group; in ocfs2_block_group_alloc()
736 ac, cl); in ocfs2_block_group_alloc()
740 ac, cl); in ocfs2_block_group_alloc()
785 *last_alloc_group = ac->ac_last_group; in ocfs2_block_group_alloc()
791 if (ac) in ocfs2_block_group_alloc()
792 ocfs2_free_alloc_context(ac); in ocfs2_block_group_alloc()
802 struct ocfs2_alloc_context *ac, in ocfs2_reserve_suballoc_bits() argument
809 u32 bits_wanted = ac->ac_bits_wanted; in ocfs2_reserve_suballoc_bits()
832 ac->ac_inode = alloc_inode; in ocfs2_reserve_suballoc_bits()
833 ac->ac_alloc_slot = slot; in ocfs2_reserve_suballoc_bits()
868 ac->ac_max_block, in ocfs2_reserve_suballoc_bits()
884 ac->ac_bh = bh; in ocfs2_reserve_suballoc_bits()
950 struct ocfs2_alloc_context *ac, in ocfs2_steal_resource() argument
967 status = ocfs2_reserve_suballoc_bits(osb, ac, in ocfs2_steal_resource()
976 ocfs2_free_ac_resource(ac); in ocfs2_steal_resource()
983 struct ocfs2_alloc_context *ac) in ocfs2_steal_inode() argument
985 return ocfs2_steal_resource(osb, ac, INODE_ALLOC_SYSTEM_INODE); in ocfs2_steal_inode()
989 struct ocfs2_alloc_context *ac) in ocfs2_steal_meta() argument
991 return ocfs2_steal_resource(osb, ac, EXTENT_ALLOC_SYSTEM_INODE); in ocfs2_steal_meta()
996 struct ocfs2_alloc_context **ac) in ocfs2_reserve_new_metadata_blocks() argument
1001 *ac = kzalloc(sizeof(struct ocfs2_alloc_context), GFP_KERNEL); in ocfs2_reserve_new_metadata_blocks()
1002 if (!(*ac)) { in ocfs2_reserve_new_metadata_blocks()
1008 (*ac)->ac_bits_wanted = blocks; in ocfs2_reserve_new_metadata_blocks()
1009 (*ac)->ac_which = OCFS2_AC_USE_META; in ocfs2_reserve_new_metadata_blocks()
1010 (*ac)->ac_group_search = ocfs2_block_group_search; in ocfs2_reserve_new_metadata_blocks()
1017 status = ocfs2_reserve_suballoc_bits(osb, (*ac), in ocfs2_reserve_new_metadata_blocks()
1033 ocfs2_free_ac_resource(*ac); in ocfs2_reserve_new_metadata_blocks()
1036 status = ocfs2_steal_meta(osb, *ac); in ocfs2_reserve_new_metadata_blocks()
1046 if ((status < 0) && *ac) { in ocfs2_reserve_new_metadata_blocks()
1047 ocfs2_free_alloc_context(*ac); in ocfs2_reserve_new_metadata_blocks()
1048 *ac = NULL; in ocfs2_reserve_new_metadata_blocks()
1058 struct ocfs2_alloc_context **ac) in ocfs2_reserve_new_metadata() argument
1062 ac); in ocfs2_reserve_new_metadata()
1066 struct ocfs2_alloc_context **ac) in ocfs2_reserve_new_inode() argument
1072 *ac = kzalloc(sizeof(struct ocfs2_alloc_context), GFP_KERNEL); in ocfs2_reserve_new_inode()
1073 if (!(*ac)) { in ocfs2_reserve_new_inode()
1079 (*ac)->ac_bits_wanted = 1; in ocfs2_reserve_new_inode()
1080 (*ac)->ac_which = OCFS2_AC_USE_INODE; in ocfs2_reserve_new_inode()
1082 (*ac)->ac_group_search = ocfs2_block_group_search; in ocfs2_reserve_new_inode()
1090 (*ac)->ac_max_block = (u32)~0U; in ocfs2_reserve_new_inode()
1107 status = ocfs2_reserve_suballoc_bits(osb, *ac, in ocfs2_reserve_new_inode()
1134 ocfs2_free_ac_resource(*ac); in ocfs2_reserve_new_inode()
1137 status = ocfs2_steal_inode(osb, *ac); in ocfs2_reserve_new_inode()
1147 if ((status < 0) && *ac) { in ocfs2_reserve_new_inode()
1148 ocfs2_free_alloc_context(*ac); in ocfs2_reserve_new_inode()
1149 *ac = NULL; in ocfs2_reserve_new_inode()
1160 struct ocfs2_alloc_context *ac) in ocfs2_reserve_cluster_bitmap_bits() argument
1164 ac->ac_which = OCFS2_AC_USE_MAIN; in ocfs2_reserve_cluster_bitmap_bits()
1165 ac->ac_group_search = ocfs2_cluster_group_search; in ocfs2_reserve_cluster_bitmap_bits()
1167 status = ocfs2_reserve_suballoc_bits(osb, ac, in ocfs2_reserve_cluster_bitmap_bits()
1186 struct ocfs2_alloc_context **ac) in ocfs2_reserve_clusters_with_limit() argument
1190 *ac = kzalloc(sizeof(struct ocfs2_alloc_context), GFP_KERNEL); in ocfs2_reserve_clusters_with_limit()
1191 if (!(*ac)) { in ocfs2_reserve_clusters_with_limit()
1197 (*ac)->ac_bits_wanted = bits_wanted; in ocfs2_reserve_clusters_with_limit()
1198 (*ac)->ac_max_block = max_block; in ocfs2_reserve_clusters_with_limit()
1205 *ac); in ocfs2_reserve_clusters_with_limit()
1213 status = ocfs2_reserve_cluster_bitmap_bits(osb, *ac); in ocfs2_reserve_clusters_with_limit()
1223 if ((status < 0) && *ac) { in ocfs2_reserve_clusters_with_limit()
1224 ocfs2_free_alloc_context(*ac); in ocfs2_reserve_clusters_with_limit()
1225 *ac = NULL; in ocfs2_reserve_clusters_with_limit()
1235 struct ocfs2_alloc_context **ac) in ocfs2_reserve_clusters() argument
1238 ALLOC_NEW_GROUP, ac); in ocfs2_reserve_clusters()
1644 static void ocfs2_bg_discontig_fix_result(struct ocfs2_alloc_context *ac, in ocfs2_bg_discontig_fix_result() argument
1651 struct ocfs2_dinode *di = (struct ocfs2_dinode *)ac->ac_bh->b_data; in ocfs2_bg_discontig_fix_result()
1654 if (ocfs2_is_cluster_bitmap(ac->ac_inode)) { in ocfs2_bg_discontig_fix_result()
1661 if (!ocfs2_supports_discontig_bg(OCFS2_SB(ac->ac_inode->i_sb)) || in ocfs2_bg_discontig_fix_result()
1674 static int ocfs2_search_one_group(struct ocfs2_alloc_context *ac, in ocfs2_search_one_group() argument
1684 struct ocfs2_dinode *di = (struct ocfs2_dinode *)ac->ac_bh->b_data; in ocfs2_search_one_group()
1685 struct inode *alloc_inode = ac->ac_inode; in ocfs2_search_one_group()
1695 ret = ac->ac_group_search(alloc_inode, group_bh, bits_wanted, min_bits, in ocfs2_search_one_group()
1696 ac->ac_max_block, res); in ocfs2_search_one_group()
1704 ocfs2_bg_discontig_fix_result(ac, gd, res); in ocfs2_search_one_group()
1712 if (ac->ac_find_loc_only) in ocfs2_search_one_group()
1715 ret = ocfs2_alloc_dinode_update_counts(alloc_inode, handle, ac->ac_bh, in ocfs2_search_one_group()
1737 static int ocfs2_search_chain(struct ocfs2_alloc_context *ac, in ocfs2_search_chain() argument
1747 struct inode *alloc_inode = ac->ac_inode; in ocfs2_search_chain()
1750 struct ocfs2_dinode *fe = (struct ocfs2_dinode *) ac->ac_bh->b_data; in ocfs2_search_chain()
1754 chain = ac->ac_chain; in ocfs2_search_chain()
1771 while ((status = ac->ac_group_search(alloc_inode, group_bh, in ocfs2_search_chain()
1773 ac->ac_max_block, in ocfs2_search_chain()
1805 ocfs2_bg_discontig_fix_result(ac, bg, res); in ocfs2_search_chain()
1826 if (!ac->ac_disable_chain_relink && in ocfs2_search_chain()
1830 ac->ac_bh, group_bh, in ocfs2_search_chain()
1838 if (ac->ac_find_loc_only) in ocfs2_search_chain()
1842 ac->ac_bh, res->sr_bits, in ocfs2_search_chain()
1876 static int ocfs2_claim_suballoc_bits(struct ocfs2_alloc_context *ac, in ocfs2_claim_suballoc_bits() argument
1885 u64 hint = ac->ac_last_group; in ocfs2_claim_suballoc_bits()
1889 BUG_ON(ac->ac_bits_given >= ac->ac_bits_wanted); in ocfs2_claim_suballoc_bits()
1890 BUG_ON(bits_wanted > (ac->ac_bits_wanted - ac->ac_bits_given)); in ocfs2_claim_suballoc_bits()
1891 BUG_ON(!ac->ac_bh); in ocfs2_claim_suballoc_bits()
1893 fe = (struct ocfs2_dinode *) ac->ac_bh->b_data; in ocfs2_claim_suballoc_bits()
1901 ocfs2_error(ac->ac_inode->i_sb, in ocfs2_claim_suballoc_bits()
1917 status = ocfs2_search_one_group(ac, handle, bits_wanted, in ocfs2_claim_suballoc_bits()
1930 ac->ac_chain = victim; in ocfs2_claim_suballoc_bits()
1932 status = ocfs2_search_chain(ac, handle, bits_wanted, min_bits, in ocfs2_claim_suballoc_bits()
1949 ac->ac_disable_chain_relink = 1; in ocfs2_claim_suballoc_bits()
1956 ac->ac_chain = i; in ocfs2_claim_suballoc_bits()
1957 status = ocfs2_search_chain(ac, handle, bits_wanted, min_bits, in ocfs2_claim_suballoc_bits()
1975 ac->ac_last_group = 0; in ocfs2_claim_suballoc_bits()
1977 ac->ac_last_group = hint; in ocfs2_claim_suballoc_bits()
1987 struct ocfs2_alloc_context *ac, in ocfs2_claim_metadata() argument
1997 BUG_ON(!ac); in ocfs2_claim_metadata()
1998 BUG_ON(ac->ac_bits_wanted < (ac->ac_bits_given + bits_wanted)); in ocfs2_claim_metadata()
1999 BUG_ON(ac->ac_which != OCFS2_AC_USE_META); in ocfs2_claim_metadata()
2001 status = ocfs2_claim_suballoc_bits(ac, in ocfs2_claim_metadata()
2010 atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs); in ocfs2_claim_metadata()
2015 ac->ac_bits_given += res.sr_bits; in ocfs2_claim_metadata()
2026 struct ocfs2_alloc_context *ac) in ocfs2_init_inode_ac_group() argument
2040 OCFS2_I(dir)->ip_last_used_slot == ac->ac_alloc_slot) in ocfs2_init_inode_ac_group()
2041 ac->ac_last_group = OCFS2_I(dir)->ip_last_used_group; in ocfs2_init_inode_ac_group()
2042 else if (le16_to_cpu(di->i_suballoc_slot) == ac->ac_alloc_slot) { in ocfs2_init_inode_ac_group()
2044 ac->ac_last_group = le64_to_cpu(di->i_suballoc_loc); in ocfs2_init_inode_ac_group()
2046 ac->ac_last_group = ocfs2_which_suballoc_group( in ocfs2_init_inode_ac_group()
2053 struct ocfs2_alloc_context *ac) in ocfs2_save_inode_ac_group() argument
2055 OCFS2_I(dir)->ip_last_used_group = ac->ac_last_group; in ocfs2_save_inode_ac_group()
2056 OCFS2_I(dir)->ip_last_used_slot = ac->ac_alloc_slot; in ocfs2_save_inode_ac_group()
2061 struct ocfs2_alloc_context *ac, in ocfs2_find_new_inode_loc() argument
2068 BUG_ON(!ac); in ocfs2_find_new_inode_loc()
2069 BUG_ON(ac->ac_bits_given != 0); in ocfs2_find_new_inode_loc()
2070 BUG_ON(ac->ac_bits_wanted != 1); in ocfs2_find_new_inode_loc()
2071 BUG_ON(ac->ac_which != OCFS2_AC_USE_INODE); in ocfs2_find_new_inode_loc()
2080 ocfs2_init_inode_ac_group(dir, parent_fe_bh, ac); in ocfs2_find_new_inode_loc()
2099 ac->ac_find_loc_only = 1; in ocfs2_find_new_inode_loc()
2101 ret = ocfs2_claim_suballoc_bits(ac, handle, 1, 1, res); in ocfs2_find_new_inode_loc()
2107 ac->ac_find_loc_priv = res; in ocfs2_find_new_inode_loc()
2122 struct ocfs2_alloc_context *ac, in ocfs2_claim_new_inode_at_loc() argument
2129 struct ocfs2_suballoc_result *res = ac->ac_find_loc_priv; in ocfs2_claim_new_inode_at_loc()
2132 struct ocfs2_dinode *di = (struct ocfs2_dinode *) ac->ac_bh->b_data; in ocfs2_claim_new_inode_at_loc()
2142 ret = ocfs2_read_group_descriptor(ac->ac_inode, di, in ocfs2_claim_new_inode_at_loc()
2152 ret = ocfs2_alloc_dinode_update_counts(ac->ac_inode, handle, in ocfs2_claim_new_inode_at_loc()
2153 ac->ac_bh, res->sr_bits, in ocfs2_claim_new_inode_at_loc()
2161 ac->ac_inode, in ocfs2_claim_new_inode_at_loc()
2174 atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs); in ocfs2_claim_new_inode_at_loc()
2180 ac->ac_bits_given++; in ocfs2_claim_new_inode_at_loc()
2181 ocfs2_save_inode_ac_group(dir, ac); in ocfs2_claim_new_inode_at_loc()
2192 struct ocfs2_alloc_context *ac, in ocfs2_claim_new_inode() argument
2200 BUG_ON(!ac); in ocfs2_claim_new_inode()
2201 BUG_ON(ac->ac_bits_given != 0); in ocfs2_claim_new_inode()
2202 BUG_ON(ac->ac_bits_wanted != 1); in ocfs2_claim_new_inode()
2203 BUG_ON(ac->ac_which != OCFS2_AC_USE_INODE); in ocfs2_claim_new_inode()
2205 ocfs2_init_inode_ac_group(dir, parent_fe_bh, ac); in ocfs2_claim_new_inode()
2207 status = ocfs2_claim_suballoc_bits(ac, in ocfs2_claim_new_inode()
2216 atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs); in ocfs2_claim_new_inode()
2223 ac->ac_bits_given++; in ocfs2_claim_new_inode()
2224 ocfs2_save_inode_ac_group(dir, ac); in ocfs2_claim_new_inode()
2294 struct ocfs2_alloc_context *ac, in __ocfs2_claim_clusters() argument
2303 struct ocfs2_super *osb = OCFS2_SB(ac->ac_inode->i_sb); in __ocfs2_claim_clusters()
2305 BUG_ON(ac->ac_bits_given >= ac->ac_bits_wanted); in __ocfs2_claim_clusters()
2307 BUG_ON(ac->ac_which != OCFS2_AC_USE_LOCAL in __ocfs2_claim_clusters()
2308 && ac->ac_which != OCFS2_AC_USE_MAIN); in __ocfs2_claim_clusters()
2310 if (ac->ac_which == OCFS2_AC_USE_LOCAL) { in __ocfs2_claim_clusters()
2315 ac, in __ocfs2_claim_clusters()
2335 status = ocfs2_claim_suballoc_bits(ac, in __ocfs2_claim_clusters()
2343 ocfs2_desc_bitmap_to_cluster_off(ac->ac_inode, in __ocfs2_claim_clusters()
2356 ac->ac_bits_given += *num_clusters; in __ocfs2_claim_clusters()
2365 struct ocfs2_alloc_context *ac, in ocfs2_claim_clusters() argument
2370 unsigned int bits_wanted = ac->ac_bits_wanted - ac->ac_bits_given; in ocfs2_claim_clusters()
2372 return __ocfs2_claim_clusters(handle, ac, min_clusters, in ocfs2_claim_clusters()