Commit 65eff9ccf86d63eb5c3e9071450a36e4e4fa9564

Authored by Mark Fasheh
1 parent dae85832ff

ocfs2: remove handle argument to ocfs2_start_trans()

All callers either pass in NULL directly, or a local variable that is
already set to NULL.

The internals of ocfs2_start_trans() get a nice cleanup as a result.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>

Showing 11 changed files with 30 additions and 46 deletions Side-by-side Diff

... ... @@ -1158,7 +1158,7 @@
1158 1158 goto out_mutex;
1159 1159 }
1160 1160  
1161   - handle = ocfs2_start_trans(osb, NULL, OCFS2_TRUNCATE_LOG_UPDATE);
  1161 + handle = ocfs2_start_trans(osb, OCFS2_TRUNCATE_LOG_UPDATE);
1162 1162 if (IS_ERR(handle)) {
1163 1163 status = PTR_ERR(handle);
1164 1164 mlog_errno(status);
... ... @@ -1365,8 +1365,7 @@
1365 1365 }
1366 1366 }
1367 1367  
1368   - handle = ocfs2_start_trans(osb, NULL,
1369   - OCFS2_TRUNCATE_LOG_UPDATE);
  1368 + handle = ocfs2_start_trans(osb, OCFS2_TRUNCATE_LOG_UPDATE);
1370 1369 if (IS_ERR(handle)) {
1371 1370 status = PTR_ERR(handle);
1372 1371 mlog_errno(status);
... ... @@ -1860,7 +1859,7 @@
1860 1859  
1861 1860 credits = ocfs2_calc_tree_trunc_credits(osb->sb, clusters_to_del,
1862 1861 fe, el);
1863   - handle = ocfs2_start_trans(osb, NULL, credits);
  1862 + handle = ocfs2_start_trans(osb, credits);
1864 1863 if (IS_ERR(handle)) {
1865 1864 status = PTR_ERR(handle);
1866 1865 handle = NULL;
... ... @@ -364,7 +364,7 @@
364 364 struct ocfs2_journal_handle *handle = NULL;
365 365 int ret = 0;
366 366  
367   - handle = ocfs2_start_trans(osb, NULL, OCFS2_INODE_UPDATE_CREDITS);
  367 + handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
368 368 if (!handle) {
369 369 ret = -ENOMEM;
370 370 mlog_errno(ret);
... ... @@ -442,7 +442,7 @@
442 442 credits = OCFS2_SIMPLE_DIR_EXTEND_CREDITS;
443 443 }
444 444  
445   - handle = ocfs2_start_trans(osb, NULL, credits);
  445 + handle = ocfs2_start_trans(osb, credits);
446 446 if (IS_ERR(handle)) {
447 447 status = PTR_ERR(handle);
448 448 handle = NULL;
... ... @@ -165,8 +165,7 @@
165 165 struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
166 166 struct ocfs2_journal_handle *handle = NULL;
167 167  
168   - handle = ocfs2_start_trans(osb, NULL,
169   - OCFS2_INODE_UPDATE_CREDITS);
  168 + handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
170 169 if (handle == NULL) {
171 170 ret = -ENOMEM;
172 171 mlog_errno(ret);
... ... @@ -196,7 +195,7 @@
196 195 /* TODO: This needs to actually orphan the inode in this
197 196 * transaction. */
198 197  
199   - handle = ocfs2_start_trans(osb, NULL, OCFS2_INODE_UPDATE_CREDITS);
  198 + handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
200 199 if (IS_ERR(handle)) {
201 200 status = PTR_ERR(handle);
202 201 mlog_errno(status);
... ... @@ -496,7 +495,7 @@
496 495 drop_alloc_sem = 1;
497 496  
498 497 credits = ocfs2_calc_extend_credits(osb->sb, fe, clusters_to_add);
499   - handle = ocfs2_start_trans(osb, NULL, credits);
  498 + handle = ocfs2_start_trans(osb, credits);
500 499 if (IS_ERR(handle)) {
501 500 status = PTR_ERR(handle);
502 501 handle = NULL;
... ... @@ -832,7 +831,7 @@
832 831 }
833 832 }
834 833  
835   - handle = ocfs2_start_trans(osb, NULL, OCFS2_INODE_UPDATE_CREDITS);
  834 + handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
836 835 if (IS_ERR(handle)) {
837 836 status = PTR_ERR(handle);
838 837 mlog_errno(status);
... ... @@ -905,7 +904,7 @@
905 904 mlog_entry("(Inode %llu, mode 0%o)\n",
906 905 (unsigned long long)oi->ip_blkno, inode->i_mode);
907 906  
908   - handle = ocfs2_start_trans(osb, NULL, OCFS2_INODE_UPDATE_CREDITS);
  907 + handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
909 908 if (handle == NULL) {
910 909 ret = -ENOMEM;
911 910 mlog_errno(ret);
... ... @@ -524,7 +524,7 @@
524 524 if (!fe->i_clusters)
525 525 goto bail;
526 526  
527   - handle = ocfs2_start_trans(osb, handle, OCFS2_INODE_UPDATE_CREDITS);
  527 + handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
528 528 if (IS_ERR(handle)) {
529 529 status = PTR_ERR(handle);
530 530 handle = NULL;
... ... @@ -590,7 +590,7 @@
590 590 goto bail;
591 591 }
592 592  
593   - handle = ocfs2_start_trans(osb, NULL, OCFS2_DELETE_INODE_CREDITS);
  593 + handle = ocfs2_start_trans(osb, OCFS2_DELETE_INODE_CREDITS);
594 594 if (IS_ERR(handle)) {
595 595 status = PTR_ERR(handle);
596 596 mlog_errno(status);
... ... @@ -67,7 +67,7 @@
67 67 if (!S_ISDIR(inode->i_mode))
68 68 flags &= ~OCFS2_DIRSYNC_FL;
69 69  
70   - handle = ocfs2_start_trans(osb, NULL, OCFS2_INODE_UPDATE_CREDITS);
  70 + handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
71 71 if (IS_ERR(handle)) {
72 72 status = PTR_ERR(handle);
73 73 mlog_errno(status);
... ... @@ -129,20 +129,16 @@
129 129 * you pass it a handle however, it may still return error, in which
130 130 * case it has free'd the passed handle for you. */
131 131 struct ocfs2_journal_handle *ocfs2_start_trans(struct ocfs2_super *osb,
132   - struct ocfs2_journal_handle *handle,
133 132 int max_buffs)
134 133 {
135 134 int ret;
136 135 journal_t *journal = osb->journal->j_journal;
  136 + struct ocfs2_journal_handle *handle;
137 137  
138   - mlog_entry("(max_buffs = %d)\n", max_buffs);
139   -
140 138 BUG_ON(!osb || !osb->journal->j_journal);
141 139  
142   - if (ocfs2_is_hard_readonly(osb)) {
143   - ret = -EROFS;
144   - goto done_free;
145   - }
  140 + if (ocfs2_is_hard_readonly(osb))
  141 + return ERR_PTR(-EROFS);
146 142  
147 143 BUG_ON(osb->journal->j_state == OCFS2_JOURNAL_FREE);
148 144 BUG_ON(max_buffs <= 0);
149 145  
... ... @@ -153,13 +149,11 @@
153 149 BUG();
154 150 }
155 151  
156   - if (!handle)
157   - handle = ocfs2_alloc_handle(osb);
  152 + handle = ocfs2_alloc_handle(osb);
158 153 if (!handle) {
159 154 ret = -ENOMEM;
160   - mlog(ML_ERROR, "Failed to allocate memory for journal "
161   - "handle!\n");
162   - goto done_free;
  155 + mlog_errno(ret);
  156 + return ERR_PTR(ret);
163 157 }
164 158  
165 159 down_read(&osb->journal->j_trans_barrier);
... ... @@ -168,6 +162,7 @@
168 162 handle->k_handle = journal_start(journal, max_buffs);
169 163 if (IS_ERR(handle->k_handle)) {
170 164 up_read(&osb->journal->j_trans_barrier);
  165 + kfree(handle);
171 166  
172 167 ret = PTR_ERR(handle->k_handle);
173 168 handle->k_handle = NULL;
174 169  
175 170  
... ... @@ -177,20 +172,12 @@
177 172 ocfs2_abort(osb->sb, "Detected aborted journal");
178 173 ret = -EROFS;
179 174 }
180   - goto done_free;
  175 + return ERR_PTR(ret);
181 176 }
182 177  
183 178 atomic_inc(&(osb->journal->j_num_trans));
184 179  
185   - mlog_exit_ptr(handle);
186 180 return handle;
187   -
188   -done_free:
189   - if (handle)
190   - kfree(handle);
191   -
192   - mlog_exit(ret);
193   - return ERR_PTR(ret);
194 181 }
195 182  
196 183 void ocfs2_commit_trans(struct ocfs2_super *osb,
... ... @@ -216,7 +216,6 @@
216 216 * perfectly legal to go through an entire transaction without having
217 217 * dirtied any buffers. */
218 218 struct ocfs2_journal_handle *ocfs2_start_trans(struct ocfs2_super *osb,
219   - struct ocfs2_journal_handle *handle,
220 219 int max_buffs);
221 220 void ocfs2_commit_trans(struct ocfs2_super *osb,
222 221 struct ocfs2_journal_handle *handle);
fs/ocfs2/localalloc.c
... ... @@ -238,7 +238,7 @@
238 238 }
239 239  
240 240 /* WINDOW_MOVE_CREDITS is a bit heavy... */
241   - handle = ocfs2_start_trans(osb, NULL, OCFS2_WINDOW_MOVE_CREDITS);
  241 + handle = ocfs2_start_trans(osb, OCFS2_WINDOW_MOVE_CREDITS);
242 242 if (IS_ERR(handle)) {
243 243 mlog_errno(PTR_ERR(handle));
244 244 handle = NULL;
... ... @@ -405,7 +405,7 @@
405 405 goto out_mutex;
406 406 }
407 407  
408   - handle = ocfs2_start_trans(osb, NULL, OCFS2_WINDOW_MOVE_CREDITS);
  408 + handle = ocfs2_start_trans(osb, OCFS2_WINDOW_MOVE_CREDITS);
409 409 if (IS_ERR(handle)) {
410 410 status = PTR_ERR(handle);
411 411 handle = NULL;
... ... @@ -896,7 +896,7 @@
896 896 goto bail;
897 897 }
898 898  
899   - handle = ocfs2_start_trans(osb, NULL, OCFS2_WINDOW_MOVE_CREDITS);
  899 + handle = ocfs2_start_trans(osb, OCFS2_WINDOW_MOVE_CREDITS);
900 900 if (IS_ERR(handle)) {
901 901 status = PTR_ERR(handle);
902 902 handle = NULL;
... ... @@ -379,7 +379,7 @@
379 379 }
380 380 }
381 381  
382   - handle = ocfs2_start_trans(osb, NULL, OCFS2_MKNOD_CREDITS);
  382 + handle = ocfs2_start_trans(osb, OCFS2_MKNOD_CREDITS);
383 383 if (IS_ERR(handle)) {
384 384 status = PTR_ERR(handle);
385 385 handle = NULL;
... ... @@ -696,7 +696,7 @@
696 696 goto out_unlock_inode;
697 697 }
698 698  
699   - handle = ocfs2_start_trans(osb, NULL, OCFS2_LINK_CREDITS);
  699 + handle = ocfs2_start_trans(osb, OCFS2_LINK_CREDITS);
700 700 if (IS_ERR(handle)) {
701 701 err = PTR_ERR(handle);
702 702 handle = NULL;
... ... @@ -886,7 +886,7 @@
886 886 }
887 887 }
888 888  
889   - handle = ocfs2_start_trans(osb, NULL, OCFS2_UNLINK_CREDITS);
  889 + handle = ocfs2_start_trans(osb, OCFS2_UNLINK_CREDITS);
890 890 if (IS_ERR(handle)) {
891 891 status = PTR_ERR(handle);
892 892 handle = NULL;
... ... @@ -1284,7 +1284,7 @@
1284 1284 }
1285 1285 }
1286 1286  
1287   - handle = ocfs2_start_trans(osb, NULL, OCFS2_RENAME_CREDITS);
  1287 + handle = ocfs2_start_trans(osb, OCFS2_RENAME_CREDITS);
1288 1288 if (IS_ERR(handle)) {
1289 1289 status = PTR_ERR(handle);
1290 1290 handle = NULL;
... ... @@ -1652,7 +1652,7 @@
1652 1652 }
1653 1653 }
1654 1654  
1655   - handle = ocfs2_start_trans(osb, NULL, credits);
  1655 + handle = ocfs2_start_trans(osb, credits);
1656 1656 if (IS_ERR(handle)) {
1657 1657 status = PTR_ERR(handle);
1658 1658 handle = NULL;
... ... @@ -302,7 +302,7 @@
302 302  
303 303 credits = ocfs2_calc_group_alloc_credits(osb->sb,
304 304 le16_to_cpu(cl->cl_cpg));
305   - handle = ocfs2_start_trans(osb, handle, credits);
  305 + handle = ocfs2_start_trans(osb, credits);
306 306 if (IS_ERR(handle)) {
307 307 status = PTR_ERR(handle);
308 308 handle = NULL;