diff options
Diffstat (limited to 'fs/reiserfs/journal.c')
-rw-r--r-- | fs/reiserfs/journal.c | 43 |
1 files changed, 19 insertions, 24 deletions
diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c index c5e82ec..938a77f 100644 --- a/fs/reiserfs/journal.c +++ b/fs/reiserfs/journal.c @@ -291,14 +291,13 @@ int reiserfs_allocate_list_bitmaps(struct super_block *sb, for (i = 0; i < JOURNAL_NUM_BITMAPS; i++) { jb = jb_array + i; jb->journal_list = NULL; - jb->bitmaps = vmalloc(mem); + jb->bitmaps = vzalloc(mem); if (!jb->bitmaps) { reiserfs_warning(sb, "clm-2000", "unable to " "allocate bitmaps for journal lists"); failed = 1; break; } - memset(jb->bitmaps, 0, mem); } if (failed) { free_list_bitmaps(sb, jb_array); @@ -353,11 +352,10 @@ static struct reiserfs_journal_cnode *allocate_cnodes(int num_cnodes) if (num_cnodes <= 0) { return NULL; } - head = vmalloc(num_cnodes * sizeof(struct reiserfs_journal_cnode)); + head = vzalloc(num_cnodes * sizeof(struct reiserfs_journal_cnode)); if (!head) { return NULL; } - memset(head, 0, num_cnodes * sizeof(struct reiserfs_journal_cnode)); head[0].prev = NULL; head[0].next = head + 1; for (i = 1; i < num_cnodes; i++) { @@ -678,23 +676,19 @@ struct buffer_chunk { static void write_chunk(struct buffer_chunk *chunk) { int i; - get_fs_excl(); for (i = 0; i < chunk->nr; i++) { submit_logged_buffer(chunk->bh[i]); } chunk->nr = 0; - put_fs_excl(); } static void write_ordered_chunk(struct buffer_chunk *chunk) { int i; - get_fs_excl(); for (i = 0; i < chunk->nr; i++) { submit_ordered_buffer(chunk->bh[i]); } chunk->nr = 0; - put_fs_excl(); } static int add_to_chunk(struct buffer_chunk *chunk, struct buffer_head *bh, @@ -986,8 +980,6 @@ static int flush_commit_list(struct super_block *s, return 0; } - get_fs_excl(); - /* before we can put our commit blocks on disk, we have to make sure everyone older than ** us is on disk too */ @@ -1145,7 +1137,6 @@ static int flush_commit_list(struct super_block *s, if (retval) reiserfs_abort(s, retval, "Journal write error in %s", __func__); - put_fs_excl(); return retval; } @@ -1374,8 +1365,6 @@ static int flush_journal_list(struct super_block *s, return 0; } - get_fs_excl(); - /* if all the work is already done, get out of here */ if (atomic_read(&(jl->j_nonzerolen)) <= 0 && atomic_read(&(jl->j_commit_left)) <= 0) { @@ -1597,7 +1586,6 @@ static int flush_journal_list(struct super_block *s, put_journal_list(s, jl); if (flushall) mutex_unlock(&journal->j_flush_mutex); - put_fs_excl(); return err; } @@ -1928,15 +1916,19 @@ static int do_journal_release(struct reiserfs_transaction_handle *th, } reiserfs_mounted_fs_count--; - /* wait for all commits to finish */ - cancel_delayed_work(&SB_JOURNAL(sb)->j_work); /* * We must release the write lock here because * the workqueue job (flush_async_commit) needs this lock */ reiserfs_write_unlock(sb); - flush_workqueue(commit_wq); + /* + * Cancel flushing of old commits. Note that this work will not + * be requeued because superblock is being shutdown and doesn't + * have MS_ACTIVE set. + */ + /* wait for all commits to finish */ + cancel_delayed_work_sync(&SB_JOURNAL(sb)->j_work); if (!reiserfs_mounted_fs_count) { destroy_workqueue(commit_wq); @@ -2695,14 +2687,13 @@ int journal_init(struct super_block *sb, const char *j_dev_name, * dependency inversion warnings. */ reiserfs_write_unlock(sb); - journal = SB_JOURNAL(sb) = vmalloc(sizeof(struct reiserfs_journal)); + journal = SB_JOURNAL(sb) = vzalloc(sizeof(struct reiserfs_journal)); if (!journal) { reiserfs_warning(sb, "journal-1256", "unable to get memory for journal structure"); reiserfs_write_lock(sb); return 1; } - memset(journal, 0, sizeof(struct reiserfs_journal)); INIT_LIST_HEAD(&journal->j_bitmap_nodes); INIT_LIST_HEAD(&journal->j_prealloc_list); INIT_LIST_HEAD(&journal->j_working_list); @@ -3108,7 +3099,6 @@ static int do_journal_begin_r(struct reiserfs_transaction_handle *th, th->t_trans_id = journal->j_trans_id; unlock_journal(sb); INIT_LIST_HEAD(&th->t_list); - get_fs_excl(); return 0; out_fail: @@ -3964,7 +3954,6 @@ static int do_journal_end(struct reiserfs_transaction_handle *th, flush = flags & FLUSH_ALL; wait_on_commit = flags & WAIT; - put_fs_excl(); current->journal_info = th->t_handle_save; reiserfs_check_lock_depth(sb, "journal end"); if (journal->j_len == 0) { @@ -4226,8 +4215,15 @@ static int do_journal_end(struct reiserfs_transaction_handle *th, if (flush) { flush_commit_list(sb, jl, 1); flush_journal_list(sb, jl, 1); - } else if (!(jl->j_state & LIST_COMMIT_PENDING)) - queue_delayed_work(commit_wq, &journal->j_work, HZ / 10); + } else if (!(jl->j_state & LIST_COMMIT_PENDING)) { + /* + * Avoid queueing work when sb is being shut down. Transaction + * will be flushed on journal shutdown. + */ + if (sb->s_flags & MS_ACTIVE) + queue_delayed_work(commit_wq, + &journal->j_work, HZ / 10); + } /* if the next transaction has any chance of wrapping, flush ** transactions that might get overwritten. If any journal lists are very @@ -4316,4 +4312,3 @@ void reiserfs_abort_journal(struct super_block *sb, int errno) dump_stack(); #endif } - |