{
struct nilfs_transaction_info *cur_ti = current->journal_info;
- BUG_ON(cur_ti);
- BUG_ON(!ti);
+ WARN_ON(cur_ti);
ti->ti_flags = NILFS_TI_WRITER;
ti->ti_count = 0;
ti->ti_save = cur_ti;
{
int err;
- /* BUG_ON(!buffer_dirty(bh)); */
- /* excluded by scan_dirty_data_buffers() */
err = nilfs_bmap_propagate(NILFS_I(inode)->i_bmap, bh);
if (unlikely(err < 0))
return nilfs_handle_bmap_error(err, __func__, inode,
{
int err;
- /* BUG_ON(!buffer_dirty(bh)); */
- /* excluded by scan_dirty_node_buffers() */
err = nilfs_bmap_propagate(NILFS_I(inode)->i_bmap, bh);
if (unlikely(err < 0))
return nilfs_handle_bmap_error(err, __func__, inode,
struct buffer_head *bh,
struct inode *inode)
{
- BUG_ON(!buffer_dirty(bh));
+ WARN_ON(!buffer_dirty(bh));
return nilfs_segctor_add_file_block(sci, bh, inode, sizeof(__le64));
}
static int nilfs_collect_dat_bmap(struct nilfs_sc_info *sci,
struct buffer_head *bh, struct inode *inode)
{
- BUG_ON(!buffer_dirty(bh));
+ WARN_ON(!buffer_dirty(bh));
return nilfs_segctor_add_file_block(sci, bh, inode,
sizeof(struct nilfs_binfo_dat));
}
nilfs_mdt_mark_dirty(nilfs->ns_cpfile);
nilfs_cpfile_put_checkpoint(
nilfs->ns_cpfile, nilfs->ns_cno, bh_cp);
- } else {
- BUG_ON(err == -EINVAL || err == -ENOENT);
- }
+ } else
+ WARN_ON(err == -EINVAL || err == -ENOENT);
+
return err;
}
err = nilfs_cpfile_get_checkpoint(nilfs->ns_cpfile, nilfs->ns_cno, 0,
&raw_cp, &bh_cp);
if (unlikely(err)) {
- BUG_ON(err == -EINVAL || err == -ENOENT);
+ WARN_ON(err == -EINVAL || err == -ENOENT);
goto failed_ibh;
}
raw_cp->cp_snapshot_list.ssl_next = 0;
(struct nilfs_super_root *)bh_sr->b_data;
u32 crc;
- BUG_ON(NILFS_SR_BYTES > bh_sr->b_size);
crc = crc32_le(seed,
(unsigned char *)raw_sr + sizeof(raw_sr->sr_sum),
NILFS_SR_BYTES - sizeof(raw_sr->sr_sum));
if (!(ent->flags & NILFS_SLH_FREED))
break;
err = nilfs_sufile_cancel_free(sufile, ent->segnum);
- BUG_ON(err);
-
+ WARN_ON(err); /* do not happen */
ent->flags &= ~NILFS_SLH_FREED;
}
}
failed:
list_for_each_entry_safe(segbuf, n, &list, sb_list) {
ret = nilfs_sufile_free(sufile, segbuf->sb_nextnum);
- BUG_ON(ret);
+ WARN_ON(ret); /* never fails */
list_del_init(&segbuf->sb_list);
nilfs_segbuf_free(segbuf);
}
segbuf = NILFS_FIRST_SEGBUF(&sci->sc_segbufs);
if (nilfs->ns_nextnum != segbuf->sb_nextnum) {
ret = nilfs_sufile_free(nilfs->ns_sufile, segbuf->sb_nextnum);
- BUG_ON(ret);
+ WARN_ON(ret); /* never fails */
}
if (segbuf->sb_io_error) {
/* Case 1: The first segment failed */
list_for_each_entry_continue(segbuf, &sci->sc_segbufs, sb_list) {
ret = nilfs_sufile_free(nilfs->ns_sufile, segbuf->sb_nextnum);
- BUG_ON(ret);
+ WARN_ON(ret); /* never fails */
if (!done && segbuf->sb_io_error) {
if (segbuf->sb_segnum != nilfs->ns_nextnum)
/* Case 2: extended segment (!= next) failed */
list_for_each_entry(segbuf, &sci->sc_segbufs, sb_list) {
ret = nilfs_sufile_get_segment_usage(sufile, segbuf->sb_segnum,
&raw_su, &bh_su);
- BUG_ON(ret); /* always succeed because bh_su is dirty */
+ WARN_ON(ret); /* always succeed because bh_su is dirty */
live_blocks = segbuf->sb_sum.nblocks +
(segbuf->sb_pseg_start - segbuf->sb_fseg_start);
raw_su->su_lastmod = cpu_to_le64(sci->sc_seg_ctime);
segbuf = NILFS_FIRST_SEGBUF(&sci->sc_segbufs);
ret = nilfs_sufile_get_segment_usage(sufile, segbuf->sb_segnum,
&raw_su, &bh_su);
- BUG_ON(ret); /* always succeed because bh_su is dirty */
+ WARN_ON(ret); /* always succeed because bh_su is dirty */
raw_su->su_nblocks = cpu_to_le32(segbuf->sb_pseg_start -
segbuf->sb_fseg_start);
nilfs_sufile_put_segment_usage(sufile, segbuf->sb_segnum, bh_su);
list_for_each_entry_continue(segbuf, &sci->sc_segbufs, sb_list) {
ret = nilfs_sufile_get_segment_usage(sufile, segbuf->sb_segnum,
&raw_su, &bh_su);
- BUG_ON(ret); /* always succeed */
+ WARN_ON(ret); /* always succeed */
raw_su->su_nblocks = 0;
nilfs_sufile_put_segment_usage(sufile, segbuf->sb_segnum,
bh_su);
list_del_init(&segbuf->sb_list);
sci->sc_segbuf_nblocks -= segbuf->sb_rest_blocks;
ret = nilfs_sufile_free(sufile, segbuf->sb_nextnum);
- BUG_ON(ret);
+ WARN_ON(ret);
nilfs_segbuf_free(segbuf);
}
}
static void __nilfs_end_page_io(struct page *page, int err)
{
- /* BUG_ON(err > 0); */
if (!err) {
if (!nilfs_page_buffers_clean(page))
__set_page_dirty_nobuffers(page);
nilfs_drop_collected_inodes(&sci->sc_gc_inodes);
if (update_sr)
nilfs_commit_gcdat_inode(nilfs);
- } else {
+ } else
nilfs->ns_nongc_ctime = sci->sc_seg_ctime;
- set_nilfs_cond_nongc_write(nilfs);
- wake_up(&nilfs->ns_cleanerd_wq);
- }
sci->sc_nblk_inc += sci->sc_nblk_this_inc;
nilfs_segment_usage_set_active(ent->raw_su);
nilfs_close_segment_entry(ent, sufile);
}
-
- down_write(&nilfs->ns_sem);
- head = &nilfs->ns_used_segments;
- list_for_each_entry(ent, head, list) {
- nilfs_segment_usage_set_volatile_active(ent->raw_su);
- }
- up_write(&nilfs->ns_sem);
}
static int nilfs_segctor_deactivate_segments(struct nilfs_sc_info *sci,
struct nilfs_segment_buffer *segbuf, *last;
struct nilfs_segment_entry *ent;
struct inode *sufile = nilfs->ns_sufile;
- struct list_head *head;
int err;
last = NILFS_LAST_SEGBUF(&sci->sc_segbufs);
BUG_ON(!buffer_dirty(ent->bh_su));
}
- head = &sci->sc_active_segments;
- list_for_each_entry(ent, head, list) {
+ list_for_each_entry(ent, &sci->sc_active_segments, list) {
err = nilfs_open_segment_entry(ent, sufile);
if (unlikely(err))
goto failed;
nilfs_segment_usage_clear_active(ent->raw_su);
- BUG_ON(!buffer_dirty(ent->bh_su));
+ WARN_ON(!buffer_dirty(ent->bh_su));
}
-
- down_write(&nilfs->ns_sem);
- head = &nilfs->ns_used_segments;
- list_for_each_entry(ent, head, list) {
- /* clear volatile active for segments of older generations */
- nilfs_segment_usage_clear_volatile_active(ent->raw_su);
- }
- up_write(&nilfs->ns_sem);
return 0;
failed:
}
}
-static void
-__nilfs_segctor_commit_deactivate_segments(struct nilfs_sc_info *sci,
- struct the_nilfs *nilfs)
-
+static void nilfs_segctor_commit_deactivate_segments(struct nilfs_sc_info *sci,
+ struct the_nilfs *nilfs)
{
- struct nilfs_segment_entry *ent;
-
- list_splice_init(&sci->sc_active_segments,
- nilfs->ns_used_segments.prev);
+ struct nilfs_segment_entry *ent, *n;
- list_for_each_entry(ent, &nilfs->ns_used_segments, list) {
- nilfs_segment_usage_set_volatile_active(ent->raw_su);
- /* These segments are kept open */
+ list_for_each_entry_safe(ent, n, &sci->sc_active_segments, list) {
+ list_del(&ent->list);
+ nilfs_close_segment_entry(ent, nilfs->ns_sufile);
+ nilfs_free_segment_entry(ent);
}
}
/* Avoid empty segment */
if (sci->sc_stage.scnt == NILFS_ST_DONE &&
NILFS_SEG_EMPTY(&sci->sc_curseg->sb_sum)) {
- BUG_ON(mode == SC_LSEG_SR);
nilfs_segctor_end_construction(sci, nilfs, 1);
goto out;
}
if (has_sr) {
down_write(&nilfs->ns_sem);
nilfs_update_last_segment(sbi, 1);
- __nilfs_segctor_commit_deactivate_segments(sci, nilfs);
up_write(&nilfs->ns_sem);
+ nilfs_segctor_commit_deactivate_segments(sci, nilfs);
nilfs_segctor_commit_free_segments(sci);
nilfs_segctor_clear_metadata_dirty(sci);
}
struct inode *sufile = nilfs->ns_sufile;
LIST_HEAD(list);
__u64 *pnum;
- const char *flag_name;
size_t i;
- int err, err2 = 0;
+ int err;
for (pnum = segnum, i = 0; i < nsegs; pnum++, i++) {
ent = nilfs_alloc_segment_entry(*pnum);
if (unlikely(err))
goto failed;
- if (unlikely(le32_to_cpu(ent->raw_su->su_flags) !=
- (1UL << NILFS_SEGMENT_USAGE_DIRTY))) {
- if (nilfs_segment_usage_clean(ent->raw_su))
- flag_name = "clean";
- else if (nilfs_segment_usage_active(ent->raw_su))
- flag_name = "active";
- else if (nilfs_segment_usage_volatile_active(
- ent->raw_su))
- flag_name = "volatile active";
- else if (!nilfs_segment_usage_dirty(ent->raw_su))
- flag_name = "non-dirty";
- else
- flag_name = "erroneous";
-
- printk(KERN_ERR
- "NILFS: %s segment is requested to be cleaned "
- "(segnum=%llu)\n",
- flag_name, (unsigned long long)ent->segnum);
- err2 = -EINVAL;
- }
+ if (unlikely(!nilfs_segment_usage_dirty(ent->raw_su)))
+ printk(KERN_WARNING "NILFS: unused segment is "
+ "requested to be cleaned (segnum=%llu)\n",
+ (unsigned long long)ent->segnum);
nilfs_close_segment_entry(ent, sufile);
}
- if (unlikely(err2)) {
- err = err2;
- goto failed;
- }
list_splice(&list, sci->sc_cleaning_segments.prev);
return 0;
static void nilfs_segctor_accept(struct nilfs_sc_info *sci,
struct nilfs_segctor_req *req)
{
- BUG_ON(!sci);
-
req->sc_err = req->sb_err = 0;
spin_lock(&sci->sc_state_lock);
req->seq_accepted = sci->sc_seq_request;
if (flag || nilfs_segctor_confirm(sci))
nilfs_segctor_write_out(sci);
- BUG_ON(!list_empty(&sci->sc_copied_buffers));
+ WARN_ON(!list_empty(&sci->sc_copied_buffers));
if (!list_empty(&sci->sc_dirty_files)) {
nilfs_warning(sbi->s_super, __func__,
if (!list_empty(&sci->sc_cleaning_segments))
nilfs_dispose_segment_list(&sci->sc_cleaning_segments);
- BUG_ON(!list_empty(&sci->sc_segbufs));
+ WARN_ON(!list_empty(&sci->sc_segbufs));
if (sci->sc_sketch_inode) {
iput(sci->sc_sketch_inode);
projects / linux-2.6-omap-h63xx.git / blobdiff