void f2fs_register_inmem_page(struct inode *inode, struct page *page)
{
- struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
- struct f2fs_inode_info *fi = F2FS_I(inode);
struct inmem_pages *new;
f2fs_trace_pid(page);
INIT_LIST_HEAD(&new->list);
/* increase reference count with clean state */
- mutex_lock(&fi->inmem_lock);
get_page(page);
- list_add_tail(&new->list, &fi->inmem_pages);
- spin_lock(&sbi->inode_lock[ATOMIC_FILE]);
- if (list_empty(&fi->inmem_ilist))
- list_add_tail(&fi->inmem_ilist, &sbi->inode_list[ATOMIC_FILE]);
- spin_unlock(&sbi->inode_lock[ATOMIC_FILE]);
+ mutex_lock(&F2FS_I(inode)->inmem_lock);
+ list_add_tail(&new->list, &F2FS_I(inode)->inmem_pages);
inc_page_count(F2FS_I_SB(inode), F2FS_INMEM_PAGES);
- mutex_unlock(&fi->inmem_lock);
+ mutex_unlock(&F2FS_I(inode)->inmem_lock);
trace_f2fs_register_inmem_page(page, INMEM);
}
mutex_lock(&fi->inmem_lock);
__revoke_inmem_pages(inode, &fi->inmem_pages,
true, false, true);
-
- if (list_empty(&fi->inmem_pages)) {
- spin_lock(&sbi->inode_lock[ATOMIC_FILE]);
- if (!list_empty(&fi->inmem_ilist))
- list_del_init(&fi->inmem_ilist);
- spin_unlock(&sbi->inode_lock[ATOMIC_FILE]);
- }
mutex_unlock(&fi->inmem_lock);
}
clear_inode_flag(inode, FI_ATOMIC_FILE);
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))
+ list_del_init(&fi->inmem_ilist);
+ spin_unlock(&sbi->inode_lock[ATOMIC_FILE]);
}
void f2fs_drop_inmem_page(struct inode *inode, struct page *page)
mutex_lock(&fi->inmem_lock);
err = __f2fs_commit_inmem_pages(inode);
-
- spin_lock(&sbi->inode_lock[ATOMIC_FILE]);
- if (!list_empty(&fi->inmem_ilist))
- list_del_init(&fi->inmem_ilist);
- spin_unlock(&sbi->inode_lock[ATOMIC_FILE]);
mutex_unlock(&fi->inmem_lock);
clear_inode_flag(inode, FI_ATOMIC_COMMIT);
if (need && excess_cached_nats(sbi))
f2fs_balance_fs_bg(sbi);
- if (f2fs_is_checkpoint_ready(sbi))
+ if (!f2fs_is_checkpoint_ready(sbi))
return;
/*
if (test_and_clear_bit(segno, dirty_i->dirty_segmap[t]))
dirty_i->nr_dirty[t]--;
- if (get_valid_blocks(sbi, segno, true) == 0)
+ if (get_valid_blocks(sbi, segno, true) == 0) {
clear_bit(GET_SEC_FROM_SEG(sbi, segno),
dirty_i->victim_secmap);
+#ifdef CONFIG_F2FS_CHECK_FS
+ clear_bit(segno, SIT_I(sbi)->invalid_segmap);
+#endif
+ }
}
}
if (!f2fs_test_and_set_bit(offset, se->discard_map))
sbi->discard_blks--;
- /* don't overwrite by SSR to keep node chain */
- if (IS_NODESEG(se->type) &&
- !is_sbi_flag_set(sbi, SBI_CP_DISABLED)) {
+ /*
+ * SSR should never reuse block which is checkpointed
+ * or newly invalidated.
+ */
+ if (!is_sbi_flag_set(sbi, SBI_CP_DISABLED)) {
if (!f2fs_test_and_set_bit(offset, se->ckpt_valid_map))
se->ckpt_valid_blocks++;
}
f2fs_inode_chksum_set(sbi, page);
}
+ if (F2FS_IO_ALIGNED(sbi))
+ fio->retry = false;
+
if (add_list) {
struct f2fs_bio_info *io;
INIT_LIST_HEAD(&fio->list);
fio->in_list = true;
- fio->retry = false;
io = sbi->write_io[fio->type] + fio->temp;
spin_lock(&io->io_lock);
list_add_tail(&fio->list, &io->io_list);
struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
struct sit_info *sit_i;
unsigned int sit_segs, start;
- char *src_bitmap;
- unsigned int bitmap_size;
+ char *src_bitmap, *bitmap;
+ unsigned int bitmap_size, main_bitmap_size, sit_bitmap_size;
/* allocate memory for SIT information */
sit_i = f2fs_kzalloc(sbi, sizeof(struct sit_info), GFP_KERNEL);
if (!sit_i->sentries)
return -ENOMEM;
- bitmap_size = f2fs_bitmap_size(MAIN_SEGS(sbi));
- sit_i->dirty_sentries_bitmap = f2fs_kvzalloc(sbi, bitmap_size,
+ main_bitmap_size = f2fs_bitmap_size(MAIN_SEGS(sbi));
+ sit_i->dirty_sentries_bitmap = f2fs_kvzalloc(sbi, main_bitmap_size,
GFP_KERNEL);
if (!sit_i->dirty_sentries_bitmap)
return -ENOMEM;
+#ifdef CONFIG_F2FS_CHECK_FS
+ bitmap_size = MAIN_SEGS(sbi) * SIT_VBLOCK_MAP_SIZE * 4;
+#else
+ bitmap_size = MAIN_SEGS(sbi) * SIT_VBLOCK_MAP_SIZE * 3;
+#endif
+ sit_i->bitmap = f2fs_kvzalloc(sbi, bitmap_size, GFP_KERNEL);
+ if (!sit_i->bitmap)
+ return -ENOMEM;
+
+ bitmap = sit_i->bitmap;
+
for (start = 0; start < MAIN_SEGS(sbi); start++) {
- sit_i->sentries[start].cur_valid_map
- = f2fs_kzalloc(sbi, SIT_VBLOCK_MAP_SIZE, GFP_KERNEL);
- sit_i->sentries[start].ckpt_valid_map
- = f2fs_kzalloc(sbi, SIT_VBLOCK_MAP_SIZE, GFP_KERNEL);
- if (!sit_i->sentries[start].cur_valid_map ||
- !sit_i->sentries[start].ckpt_valid_map)
- return -ENOMEM;
+ sit_i->sentries[start].cur_valid_map = bitmap;
+ bitmap += SIT_VBLOCK_MAP_SIZE;
+
+ sit_i->sentries[start].ckpt_valid_map = bitmap;
+ bitmap += SIT_VBLOCK_MAP_SIZE;
#ifdef CONFIG_F2FS_CHECK_FS
- sit_i->sentries[start].cur_valid_map_mir
- = f2fs_kzalloc(sbi, SIT_VBLOCK_MAP_SIZE, GFP_KERNEL);
- if (!sit_i->sentries[start].cur_valid_map_mir)
- return -ENOMEM;
+ sit_i->sentries[start].cur_valid_map_mir = bitmap;
+ bitmap += SIT_VBLOCK_MAP_SIZE;
#endif
- sit_i->sentries[start].discard_map
- = f2fs_kzalloc(sbi, SIT_VBLOCK_MAP_SIZE,
- GFP_KERNEL);
- if (!sit_i->sentries[start].discard_map)
- return -ENOMEM;
+ sit_i->sentries[start].discard_map = bitmap;
+ bitmap += SIT_VBLOCK_MAP_SIZE;
}
sit_i->tmp_map = f2fs_kzalloc(sbi, SIT_VBLOCK_MAP_SIZE, GFP_KERNEL);
sit_segs = le32_to_cpu(raw_super->segment_count_sit) >> 1;
/* setup SIT bitmap from ckeckpoint pack */
- bitmap_size = __bitmap_size(sbi, SIT_BITMAP);
+ sit_bitmap_size = __bitmap_size(sbi, SIT_BITMAP);
src_bitmap = __bitmap_ptr(sbi, SIT_BITMAP);
- sit_i->sit_bitmap = kmemdup(src_bitmap, bitmap_size, GFP_KERNEL);
+ sit_i->sit_bitmap = kmemdup(src_bitmap, sit_bitmap_size, GFP_KERNEL);
if (!sit_i->sit_bitmap)
return -ENOMEM;
#ifdef CONFIG_F2FS_CHECK_FS
- sit_i->sit_bitmap_mir = kmemdup(src_bitmap, bitmap_size, GFP_KERNEL);
+ sit_i->sit_bitmap_mir = kmemdup(src_bitmap,
+ sit_bitmap_size, GFP_KERNEL);
if (!sit_i->sit_bitmap_mir)
return -ENOMEM;
+
+ sit_i->invalid_segmap = f2fs_kvzalloc(sbi,
+ main_bitmap_size, GFP_KERNEL);
+ if (!sit_i->invalid_segmap)
+ return -ENOMEM;
#endif
/* init SIT information */
sit_i->sit_base_addr = le32_to_cpu(raw_super->sit_blkaddr);
sit_i->sit_blocks = sit_segs << sbi->log_blocks_per_seg;
sit_i->written_valid_blocks = 0;
- sit_i->bitmap_size = bitmap_size;
+ sit_i->bitmap_size = sit_bitmap_size;
sit_i->dirty_sentries = 0;
sit_i->sents_per_block = SIT_ENTRY_PER_BLOCK;
sit_i->elapsed_time = le64_to_cpu(sbi->ckpt->elapsed_time);
static void destroy_sit_info(struct f2fs_sb_info *sbi)
{
struct sit_info *sit_i = SIT_I(sbi);
- unsigned int start;
if (!sit_i)
return;
- if (sit_i->sentries) {
- for (start = 0; start < MAIN_SEGS(sbi); start++) {
- kvfree(sit_i->sentries[start].cur_valid_map);
-#ifdef CONFIG_F2FS_CHECK_FS
- kvfree(sit_i->sentries[start].cur_valid_map_mir);
-#endif
- kvfree(sit_i->sentries[start].ckpt_valid_map);
- kvfree(sit_i->sentries[start].discard_map);
- }
- }
+ if (sit_i->sentries)
+ kvfree(sit_i->bitmap);
kvfree(sit_i->tmp_map);
kvfree(sit_i->sentries);
kvfree(sit_i->sit_bitmap);
#ifdef CONFIG_F2FS_CHECK_FS
kvfree(sit_i->sit_bitmap_mir);
+ kvfree(sit_i->invalid_segmap);
#endif
kvfree(sit_i);
}
projects / linux.git / blobdiff