summaryrefslogtreecommitdiff
path: root/fs/f2fs/node.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/f2fs/node.c')
-rw-r--r--fs/f2fs/node.c110
1 files changed, 31 insertions, 79 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index dedba481b66d..b00d66b95321 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1134,7 +1134,14 @@ int f2fs_truncate_inode_blocks(struct inode *inode, pgoff_t from)
trace_f2fs_truncate_inode_blocks_enter(inode, from);
level = get_node_path(inode, from, offset, noffset);
- if (level < 0) {
+ if (level <= 0) {
+ if (!level) {
+ level = -EFSCORRUPTED;
+ f2fs_err(sbi, "%s: inode ino=%lx has corrupted node block, from:%lu addrs:%u",
+ __func__, inode->i_ino,
+ from, ADDRS_PER_INODE(inode));
+ set_sbi_flag(sbi, SBI_NEED_FSCK);
+ }
trace_f2fs_truncate_inode_blocks_exit(inode, level);
return level;
}
@@ -2258,24 +2265,6 @@ static void __move_free_nid(struct f2fs_sb_info *sbi, struct free_nid *i,
}
}
-bool f2fs_nat_bitmap_enabled(struct f2fs_sb_info *sbi)
-{
- struct f2fs_nm_info *nm_i = NM_I(sbi);
- unsigned int i;
- bool ret = true;
-
- f2fs_down_read(&nm_i->nat_tree_lock);
- for (i = 0; i < nm_i->nat_blocks; i++) {
- if (!test_bit_le(i, nm_i->nat_block_bitmap)) {
- ret = false;
- break;
- }
- }
- f2fs_up_read(&nm_i->nat_tree_lock);
-
- return ret;
-}
-
static void update_free_nid_bitmap(struct f2fs_sb_info *sbi, nid_t nid,
bool set, bool build)
{
@@ -2954,23 +2943,7 @@ add_out:
list_add_tail(&nes->set_list, head);
}
-static void __update_nat_bits(struct f2fs_nm_info *nm_i, unsigned int nat_ofs,
- unsigned int valid)
-{
- if (valid == 0) {
- __set_bit_le(nat_ofs, nm_i->empty_nat_bits);
- __clear_bit_le(nat_ofs, nm_i->full_nat_bits);
- return;
- }
-
- __clear_bit_le(nat_ofs, nm_i->empty_nat_bits);
- if (valid == NAT_ENTRY_PER_BLOCK)
- __set_bit_le(nat_ofs, nm_i->full_nat_bits);
- else
- __clear_bit_le(nat_ofs, nm_i->full_nat_bits);
-}
-
-static void update_nat_bits(struct f2fs_sb_info *sbi, nid_t start_nid,
+static void __update_nat_bits(struct f2fs_sb_info *sbi, nid_t start_nid,
struct page *page)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
@@ -2979,7 +2952,7 @@ static void update_nat_bits(struct f2fs_sb_info *sbi, nid_t start_nid,
int valid = 0;
int i = 0;
- if (!is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG))
+ if (!enabled_nat_bits(sbi, NULL))
return;
if (nat_index == 0) {
@@ -2990,36 +2963,17 @@ static void update_nat_bits(struct f2fs_sb_info *sbi, nid_t start_nid,
if (le32_to_cpu(nat_blk->entries[i].block_addr) != NULL_ADDR)
valid++;
}
-
- __update_nat_bits(nm_i, nat_index, valid);
-}
-
-void f2fs_enable_nat_bits(struct f2fs_sb_info *sbi)
-{
- struct f2fs_nm_info *nm_i = NM_I(sbi);
- unsigned int nat_ofs;
-
- f2fs_down_read(&nm_i->nat_tree_lock);
-
- for (nat_ofs = 0; nat_ofs < nm_i->nat_blocks; nat_ofs++) {
- unsigned int valid = 0, nid_ofs = 0;
-
- /* handle nid zero due to it should never be used */
- if (unlikely(nat_ofs == 0)) {
- valid = 1;
- nid_ofs = 1;
- }
-
- for (; nid_ofs < NAT_ENTRY_PER_BLOCK; nid_ofs++) {
- if (!test_bit_le(nid_ofs,
- nm_i->free_nid_bitmap[nat_ofs]))
- valid++;
- }
-
- __update_nat_bits(nm_i, nat_ofs, valid);
+ if (valid == 0) {
+ __set_bit_le(nat_index, nm_i->empty_nat_bits);
+ __clear_bit_le(nat_index, nm_i->full_nat_bits);
+ return;
}
- f2fs_up_read(&nm_i->nat_tree_lock);
+ __clear_bit_le(nat_index, nm_i->empty_nat_bits);
+ if (valid == NAT_ENTRY_PER_BLOCK)
+ __set_bit_le(nat_index, nm_i->full_nat_bits);
+ else
+ __clear_bit_le(nat_index, nm_i->full_nat_bits);
}
static int __flush_nat_entry_set(struct f2fs_sb_info *sbi,
@@ -3038,7 +2992,7 @@ static int __flush_nat_entry_set(struct f2fs_sb_info *sbi,
* #1, flush nat entries to journal in current hot data summary block.
* #2, flush nat entries to nat page.
*/
- if ((cpc->reason & CP_UMOUNT) ||
+ if (enabled_nat_bits(sbi, cpc) ||
!__has_cursum_space(journal, set->entry_cnt, NAT_JOURNAL))
to_journal = false;
@@ -3085,7 +3039,7 @@ static int __flush_nat_entry_set(struct f2fs_sb_info *sbi,
if (to_journal) {
up_write(&curseg->journal_rwsem);
} else {
- update_nat_bits(sbi, start_nid, page);
+ __update_nat_bits(sbi, start_nid, page);
f2fs_put_page(page, 1);
}
@@ -3116,7 +3070,7 @@ int f2fs_flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc)
* during unmount, let's flush nat_bits before checking
* nat_cnt[DIRTY_NAT].
*/
- if (cpc->reason & CP_UMOUNT) {
+ if (enabled_nat_bits(sbi, cpc)) {
f2fs_down_write(&nm_i->nat_tree_lock);
remove_nats_in_journal(sbi);
f2fs_up_write(&nm_i->nat_tree_lock);
@@ -3132,7 +3086,7 @@ int f2fs_flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc)
* entries, remove all entries from journal and merge them
* into nat entry set.
*/
- if (cpc->reason & CP_UMOUNT ||
+ if (enabled_nat_bits(sbi, cpc) ||
!__has_cursum_space(journal,
nm_i->nat_cnt[DIRTY_NAT], NAT_JOURNAL))
remove_nats_in_journal(sbi);
@@ -3169,18 +3123,15 @@ static int __get_nat_bitmaps(struct f2fs_sb_info *sbi)
__u64 cp_ver = cur_cp_version(ckpt);
block_t nat_bits_addr;
+ if (!enabled_nat_bits(sbi, NULL))
+ return 0;
+
nm_i->nat_bits_blocks = F2FS_BLK_ALIGN((nat_bits_bytes << 1) + 8);
nm_i->nat_bits = f2fs_kvzalloc(sbi,
nm_i->nat_bits_blocks << F2FS_BLKSIZE_BITS, GFP_KERNEL);
if (!nm_i->nat_bits)
return -ENOMEM;
- nm_i->full_nat_bits = nm_i->nat_bits + 8;
- nm_i->empty_nat_bits = nm_i->full_nat_bits + nat_bits_bytes;
-
- if (!is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG))
- return 0;
-
nat_bits_addr = __start_cp_addr(sbi) + BLKS_PER_SEG(sbi) -
nm_i->nat_bits_blocks;
for (i = 0; i < nm_i->nat_bits_blocks; i++) {
@@ -3197,12 +3148,13 @@ static int __get_nat_bitmaps(struct f2fs_sb_info *sbi)
cp_ver |= (cur_cp_crc(ckpt) << 32);
if (cpu_to_le64(cp_ver) != *(__le64 *)nm_i->nat_bits) {
- clear_ckpt_flags(sbi, CP_NAT_BITS_FLAG);
- f2fs_notice(sbi, "Disable nat_bits due to incorrect cp_ver (%llu, %llu)",
- cp_ver, le64_to_cpu(*(__le64 *)nm_i->nat_bits));
+ disable_nat_bits(sbi, true);
return 0;
}
+ nm_i->full_nat_bits = nm_i->nat_bits + 8;
+ nm_i->empty_nat_bits = nm_i->full_nat_bits + nat_bits_bytes;
+
f2fs_notice(sbi, "Found nat_bits in checkpoint");
return 0;
}
@@ -3213,7 +3165,7 @@ static inline void load_free_nid_bitmap(struct f2fs_sb_info *sbi)
unsigned int i = 0;
nid_t nid, last_nid;
- if (!is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG))
+ if (!enabled_nat_bits(sbi, NULL))
return;
for (i = 0; i < nm_i->nat_blocks; i++) {