diff options
Diffstat (limited to 'fs/f2fs/node.c')
-rw-r--r-- | fs/f2fs/node.c | 52 |
1 files changed, 26 insertions, 26 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index c59341d5539c..b47555fe175a 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -196,11 +196,11 @@ bool is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid) struct nat_entry *e; bool is_cp = true; - read_lock(&nm_i->nat_tree_lock); + down_read(&nm_i->nat_tree_lock); e = __lookup_nat_cache(nm_i, nid); if (e && !get_nat_flag(e, IS_CHECKPOINTED)) is_cp = false; - read_unlock(&nm_i->nat_tree_lock); + up_read(&nm_i->nat_tree_lock); return is_cp; } @@ -210,11 +210,11 @@ bool has_fsynced_inode(struct f2fs_sb_info *sbi, nid_t ino) struct nat_entry *e; bool fsynced = false; - read_lock(&nm_i->nat_tree_lock); + down_read(&nm_i->nat_tree_lock); e = __lookup_nat_cache(nm_i, ino); if (e && get_nat_flag(e, HAS_FSYNCED_INODE)) fsynced = true; - read_unlock(&nm_i->nat_tree_lock); + up_read(&nm_i->nat_tree_lock); return fsynced; } @@ -224,13 +224,13 @@ bool need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino) struct nat_entry *e; bool need_update = true; - read_lock(&nm_i->nat_tree_lock); + down_read(&nm_i->nat_tree_lock); e = __lookup_nat_cache(nm_i, ino); if (e && get_nat_flag(e, HAS_LAST_FSYNC) && (get_nat_flag(e, IS_CHECKPOINTED) || get_nat_flag(e, HAS_FSYNCED_INODE))) need_update = false; - read_unlock(&nm_i->nat_tree_lock); + up_read(&nm_i->nat_tree_lock); return need_update; } @@ -258,17 +258,17 @@ static void cache_nat_entry(struct f2fs_nm_info *nm_i, nid_t nid, { struct nat_entry *e; retry: - write_lock(&nm_i->nat_tree_lock); + down_write(&nm_i->nat_tree_lock); e = __lookup_nat_cache(nm_i, nid); if (!e) { e = grab_nat_entry(nm_i, nid); if (!e) { - write_unlock(&nm_i->nat_tree_lock); + up_write(&nm_i->nat_tree_lock); goto retry; } node_info_from_raw_nat(&e->ni, ne); } - write_unlock(&nm_i->nat_tree_lock); + up_write(&nm_i->nat_tree_lock); } static void set_node_addr(struct f2fs_sb_info *sbi, struct node_info *ni, @@ -277,12 +277,12 @@ static void set_node_addr(struct f2fs_sb_info *sbi, struct node_info *ni, struct f2fs_nm_info *nm_i = NM_I(sbi); struct nat_entry *e; retry: - write_lock(&nm_i->nat_tree_lock); + down_write(&nm_i->nat_tree_lock); e = __lookup_nat_cache(nm_i, ni->nid); if (!e) { e = grab_nat_entry(nm_i, ni->nid); if (!e) { - write_unlock(&nm_i->nat_tree_lock); + up_write(&nm_i->nat_tree_lock); goto retry; } e->ni = *ni; @@ -326,7 +326,7 @@ retry: set_nat_flag(e, HAS_FSYNCED_INODE, true); set_nat_flag(e, HAS_LAST_FSYNC, fsync_done); } - write_unlock(&nm_i->nat_tree_lock); + up_write(&nm_i->nat_tree_lock); } int try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink) @@ -336,7 +336,7 @@ int try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink) if (available_free_memory(sbi, NAT_ENTRIES)) return 0; - write_lock(&nm_i->nat_tree_lock); + down_write(&nm_i->nat_tree_lock); while (nr_shrink && !list_empty(&nm_i->nat_entries)) { struct nat_entry *ne; ne = list_first_entry(&nm_i->nat_entries, @@ -344,7 +344,7 @@ int try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink) __del_from_nat_cache(nm_i, ne); nr_shrink--; } - write_unlock(&nm_i->nat_tree_lock); + up_write(&nm_i->nat_tree_lock); return nr_shrink; } @@ -367,14 +367,14 @@ void get_node_info(struct f2fs_sb_info *sbi, nid_t nid, struct node_info *ni) ni->nid = nid; /* Check nat cache */ - read_lock(&nm_i->nat_tree_lock); + down_read(&nm_i->nat_tree_lock); e = __lookup_nat_cache(nm_i, nid); if (e) { ni->ino = nat_get_ino(e); ni->blk_addr = nat_get_blkaddr(e); ni->version = nat_get_version(e); } - read_unlock(&nm_i->nat_tree_lock); + up_read(&nm_i->nat_tree_lock); if (e) return; @@ -1432,13 +1432,13 @@ static int add_free_nid(struct f2fs_sb_info *sbi, nid_t nid, bool build) if (build) { /* do not add allocated nids */ - read_lock(&nm_i->nat_tree_lock); + down_read(&nm_i->nat_tree_lock); ne = __lookup_nat_cache(nm_i, nid); if (ne && (!get_nat_flag(ne, IS_CHECKPOINTED) || nat_get_blkaddr(ne) != NULL_ADDR)) allocated = true; - read_unlock(&nm_i->nat_tree_lock); + up_read(&nm_i->nat_tree_lock); if (allocated) return 0; } @@ -1827,20 +1827,20 @@ static void remove_nats_in_journal(struct f2fs_sb_info *sbi) raw_ne = nat_in_journal(sum, i); retry: - write_lock(&nm_i->nat_tree_lock); + down_write(&nm_i->nat_tree_lock); ne = __lookup_nat_cache(nm_i, nid); if (ne) goto found; ne = grab_nat_entry(nm_i, nid); if (!ne) { - write_unlock(&nm_i->nat_tree_lock); + up_write(&nm_i->nat_tree_lock); goto retry; } node_info_from_raw_nat(&ne->ni, &raw_ne); found: __set_nat_cache_dirty(nm_i, ne); - write_unlock(&nm_i->nat_tree_lock); + up_write(&nm_i->nat_tree_lock); } update_nats_in_cursum(sum, -i); mutex_unlock(&curseg->curseg_mutex); @@ -1911,10 +1911,10 @@ static void __flush_nat_entry_set(struct f2fs_sb_info *sbi, } raw_nat_from_node_info(raw_ne, &ne->ni); - write_lock(&NM_I(sbi)->nat_tree_lock); + down_write(&NM_I(sbi)->nat_tree_lock); nat_reset_flag(ne); __clear_nat_cache_dirty(NM_I(sbi), ne); - write_unlock(&NM_I(sbi)->nat_tree_lock); + up_write(&NM_I(sbi)->nat_tree_lock); if (nat_get_blkaddr(ne) == NULL_ADDR) add_free_nid(sbi, nid, false); @@ -2000,7 +2000,7 @@ static int init_node_manager(struct f2fs_sb_info *sbi) mutex_init(&nm_i->build_lock); spin_lock_init(&nm_i->free_nid_list_lock); - rwlock_init(&nm_i->nat_tree_lock); + init_rwsem(&nm_i->nat_tree_lock); nm_i->next_scan_nid = le32_to_cpu(sbi->ckpt->next_free_nid); nm_i->bitmap_size = __bitmap_size(sbi, NAT_BITMAP); @@ -2056,7 +2056,7 @@ void destroy_node_manager(struct f2fs_sb_info *sbi) spin_unlock(&nm_i->free_nid_list_lock); /* destroy nat cache */ - write_lock(&nm_i->nat_tree_lock); + down_write(&nm_i->nat_tree_lock); while ((found = __gang_lookup_nat_cache(nm_i, nid, NATVEC_SIZE, natvec))) { unsigned idx; @@ -2065,7 +2065,7 @@ void destroy_node_manager(struct f2fs_sb_info *sbi) __del_from_nat_cache(nm_i, natvec[idx]); } f2fs_bug_on(sbi, nm_i->nat_cnt); - write_unlock(&nm_i->nat_tree_lock); + up_write(&nm_i->nat_tree_lock); kfree(nm_i->nat_bitmap); sbi->nm_info = NULL; |