}
fi->i_gc_failures[GC_FAILURE_ATOMIC] = 0;
- stat_dec_atomic_write(inode);
spin_lock(&sbi->inode_lock[ATOMIC_FILE]);
if (!list_empty(&fi->inmem_ilist))
* dir/node pages without enough free segments.
*/
if (has_not_enough_free_secs(sbi, 0, 0)) {
- mutex_lock(&sbi->gc_mutex);
+ down_write(&sbi->gc_lock);
f2fs_gc(sbi, false, false, NULL_SEGNO);
}
}
struct sit_info *sit_i = SIT_I(sbi);
f2fs_bug_on(sbi, addr == NULL_ADDR);
- if (addr == NEW_ADDR)
+ if (addr == NEW_ADDR || addr == COMPRESS_ADDR)
return;
invalidate_mapping_pages(META_MAPPING(sbi), addr, addr);
if (sbi->discard_blks == 0)
goto out;
- mutex_lock(&sbi->gc_mutex);
+ down_write(&sbi->gc_lock);
err = f2fs_write_checkpoint(sbi, &cpc);
- mutex_unlock(&sbi->gc_mutex);
+ up_write(&sbi->gc_lock);
if (err)
goto out;
if (fio->type == DATA) {
struct inode *inode = fio->page->mapping->host;
- if (is_cold_data(fio->page) || file_is_cold(inode))
+ if (is_cold_data(fio->page) || file_is_cold(inode) ||
+ f2fs_compressed_file(inode))
return CURSEG_COLD_DATA;
if (file_is_hot(inode) ||
is_inode_flag_set(inode, FI_HOT_DATA) ||
stat_inc_inplace_blocks(fio->sbi);
- if (fio->bio)
+ if (fio->bio && !(SM_I(sbi)->ipu_policy & (1 << F2FS_IPU_NOCACHE)))
err = f2fs_merge_page_bio(fio);
else
err = f2fs_submit_page_bio(fio);
return 0;
}
+#ifdef CONFIG_BLK_DEV_ZONED
+
+static int check_zone_write_pointer(struct f2fs_sb_info *sbi,
+ struct f2fs_dev_info *fdev,
+ struct blk_zone *zone)
+{
+ unsigned int wp_segno, wp_blkoff, zone_secno, zone_segno, segno;
+ block_t zone_block, wp_block, last_valid_block;
+ unsigned int log_sectors_per_block = sbi->log_blocksize - SECTOR_SHIFT;
+ int i, s, b, ret;
+ struct seg_entry *se;
+
+ if (zone->type != BLK_ZONE_TYPE_SEQWRITE_REQ)
+ return 0;
+
+ wp_block = fdev->start_blk + (zone->wp >> log_sectors_per_block);
+ wp_segno = GET_SEGNO(sbi, wp_block);
+ wp_blkoff = wp_block - START_BLOCK(sbi, wp_segno);
+ zone_block = fdev->start_blk + (zone->start >> log_sectors_per_block);
+ zone_segno = GET_SEGNO(sbi, zone_block);
+ zone_secno = GET_SEC_FROM_SEG(sbi, zone_segno);
+
+ if (zone_segno >= MAIN_SEGS(sbi))
+ return 0;
+
+ /*
+ * Skip check of zones cursegs point to, since
+ * fix_curseg_write_pointer() checks them.
+ */
+ for (i = 0; i < NO_CHECK_TYPE; i++)
+ if (zone_secno == GET_SEC_FROM_SEG(sbi,
+ CURSEG_I(sbi, i)->segno))
+ return 0;
+
+ /*
+ * Get last valid block of the zone.
+ */
+ last_valid_block = zone_block - 1;
+ for (s = sbi->segs_per_sec - 1; s >= 0; s--) {
+ segno = zone_segno + s;
+ se = get_seg_entry(sbi, segno);
+ for (b = sbi->blocks_per_seg - 1; b >= 0; b--)
+ if (f2fs_test_bit(b, se->cur_valid_map)) {
+ last_valid_block = START_BLOCK(sbi, segno) + b;
+ break;
+ }
+ if (last_valid_block >= zone_block)
+ break;
+ }
+
+ /*
+ * If last valid block is beyond the write pointer, report the
+ * inconsistency. This inconsistency does not cause write error
+ * because the zone will not be selected for write operation until
+ * it get discarded. Just report it.
+ */
+ if (last_valid_block >= wp_block) {
+ f2fs_notice(sbi, "Valid block beyond write pointer: "
+ "valid block[0x%x,0x%x] wp[0x%x,0x%x]",
+ GET_SEGNO(sbi, last_valid_block),
+ GET_BLKOFF_FROM_SEG0(sbi, last_valid_block),
+ wp_segno, wp_blkoff);
+ return 0;
+ }
+
+ /*
+ * If there is no valid block in the zone and if write pointer is
+ * not at zone start, reset the write pointer.
+ */
+ if (last_valid_block + 1 == zone_block && zone->wp != zone->start) {
+ f2fs_notice(sbi,
+ "Zone without valid block has non-zero write "
+ "pointer. Reset the write pointer: wp[0x%x,0x%x]",
+ wp_segno, wp_blkoff);
+ ret = __f2fs_issue_discard_zone(sbi, fdev->bdev, zone_block,
+ zone->len >> log_sectors_per_block);
+ if (ret) {
+ f2fs_err(sbi, "Discard zone failed: %s (errno=%d)",
+ fdev->path, ret);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static struct f2fs_dev_info *get_target_zoned_dev(struct f2fs_sb_info *sbi,
+ block_t zone_blkaddr)
+{
+ int i;
+
+ for (i = 0; i < sbi->s_ndevs; i++) {
+ if (!bdev_is_zoned(FDEV(i).bdev))
+ continue;
+ if (sbi->s_ndevs == 1 || (FDEV(i).start_blk <= zone_blkaddr &&
+ zone_blkaddr <= FDEV(i).end_blk))
+ return &FDEV(i);
+ }
+
+ return NULL;
+}
+
+static int report_one_zone_cb(struct blk_zone *zone, unsigned int idx,
+ void *data) {
+ memcpy(data, zone, sizeof(struct blk_zone));
+ return 0;
+}
+
+static int fix_curseg_write_pointer(struct f2fs_sb_info *sbi, int type)
+{
+ struct curseg_info *cs = CURSEG_I(sbi, type);
+ struct f2fs_dev_info *zbd;
+ struct blk_zone zone;
+ unsigned int cs_section, wp_segno, wp_blkoff, wp_sector_off;
+ block_t cs_zone_block, wp_block;
+ unsigned int log_sectors_per_block = sbi->log_blocksize - SECTOR_SHIFT;
+ sector_t zone_sector;
+ int err;
+
+ cs_section = GET_SEC_FROM_SEG(sbi, cs->segno);
+ cs_zone_block = START_BLOCK(sbi, GET_SEG_FROM_SEC(sbi, cs_section));
+
+ zbd = get_target_zoned_dev(sbi, cs_zone_block);
+ if (!zbd)
+ return 0;
+
+ /* report zone for the sector the curseg points to */
+ zone_sector = (sector_t)(cs_zone_block - zbd->start_blk)
+ << log_sectors_per_block;
+ err = blkdev_report_zones(zbd->bdev, zone_sector, 1,
+ report_one_zone_cb, &zone);
+ if (err != 1) {
+ f2fs_err(sbi, "Report zone failed: %s errno=(%d)",
+ zbd->path, err);
+ return err;
+ }
+
+ if (zone.type != BLK_ZONE_TYPE_SEQWRITE_REQ)
+ return 0;
+
+ wp_block = zbd->start_blk + (zone.wp >> log_sectors_per_block);
+ wp_segno = GET_SEGNO(sbi, wp_block);
+ wp_blkoff = wp_block - START_BLOCK(sbi, wp_segno);
+ wp_sector_off = zone.wp & GENMASK(log_sectors_per_block - 1, 0);
+
+ if (cs->segno == wp_segno && cs->next_blkoff == wp_blkoff &&
+ wp_sector_off == 0)
+ return 0;
+
+ f2fs_notice(sbi, "Unaligned curseg[%d] with write pointer: "
+ "curseg[0x%x,0x%x] wp[0x%x,0x%x]",
+ type, cs->segno, cs->next_blkoff, wp_segno, wp_blkoff);
+
+ f2fs_notice(sbi, "Assign new section to curseg[%d]: "
+ "curseg[0x%x,0x%x]", type, cs->segno, cs->next_blkoff);
+ allocate_segment_by_default(sbi, type, true);
+
+ /* check consistency of the zone curseg pointed to */
+ if (check_zone_write_pointer(sbi, zbd, &zone))
+ return -EIO;
+
+ /* check newly assigned zone */
+ cs_section = GET_SEC_FROM_SEG(sbi, cs->segno);
+ cs_zone_block = START_BLOCK(sbi, GET_SEG_FROM_SEC(sbi, cs_section));
+
+ zbd = get_target_zoned_dev(sbi, cs_zone_block);
+ if (!zbd)
+ return 0;
+
+ zone_sector = (sector_t)(cs_zone_block - zbd->start_blk)
+ << log_sectors_per_block;
+ err = blkdev_report_zones(zbd->bdev, zone_sector, 1,
+ report_one_zone_cb, &zone);
+ if (err != 1) {
+ f2fs_err(sbi, "Report zone failed: %s errno=(%d)",
+ zbd->path, err);
+ return err;
+ }
+
+ if (zone.type != BLK_ZONE_TYPE_SEQWRITE_REQ)
+ return 0;
+
+ if (zone.wp != zone.start) {
+ f2fs_notice(sbi,
+ "New zone for curseg[%d] is not yet discarded. "
+ "Reset the zone: curseg[0x%x,0x%x]",
+ type, cs->segno, cs->next_blkoff);
+ err = __f2fs_issue_discard_zone(sbi, zbd->bdev,
+ zone_sector >> log_sectors_per_block,
+ zone.len >> log_sectors_per_block);
+ if (err) {
+ f2fs_err(sbi, "Discard zone failed: %s (errno=%d)",
+ zbd->path, err);
+ return err;
+ }
+ }
+
+ return 0;
+}
+
+int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info *sbi)
+{
+ int i, ret;
+
+ for (i = 0; i < NO_CHECK_TYPE; i++) {
+ ret = fix_curseg_write_pointer(sbi, i);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+struct check_zone_write_pointer_args {
+ struct f2fs_sb_info *sbi;
+ struct f2fs_dev_info *fdev;
+};
+
+static int check_zone_write_pointer_cb(struct blk_zone *zone, unsigned int idx,
+ void *data) {
+ struct check_zone_write_pointer_args *args;
+ args = (struct check_zone_write_pointer_args *)data;
+
+ return check_zone_write_pointer(args->sbi, args->fdev, zone);
+}
+
+int f2fs_check_write_pointer(struct f2fs_sb_info *sbi)
+{
+ int i, ret;
+ struct check_zone_write_pointer_args args;
+
+ for (i = 0; i < sbi->s_ndevs; i++) {
+ if (!bdev_is_zoned(FDEV(i).bdev))
+ continue;
+
+ args.sbi = sbi;
+ args.fdev = &FDEV(i);
+ ret = blkdev_report_zones(FDEV(i).bdev, 0, BLK_ALL_ZONES,
+ check_zone_write_pointer_cb, &args);
+ if (ret < 0)
+ return ret;
+ }
+
+ return 0;
+}
+#else
+int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info *sbi)
+{
+ return 0;
+}
+
+int f2fs_check_write_pointer(struct f2fs_sb_info *sbi)
+{
+ return 0;
+}
+#endif
+
/*
* Update min, max modified time for cost-benefit GC algorithm
*/
projects / linux-2.6-microblaze.git / blobdiff