diff options
| author | Yunlei He <heyunlei@huawei.com> | 2017-03-13 15:22:18 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-03-25 10:19:37 +0300 |
| commit | 59c9081bc86ef0b273a41abf2c1f413301429a6d (patch) | |
| tree | 64297b01f018b2eff6ae04e6668a06e4eafcba97 /fs/f2fs/node.c | |
| parent | 22588f8773f687449ce6e97dce9f102553440d30 (diff) | |
| download | linux-59c9081bc86ef0b273a41abf2c1f413301429a6d.tar.xz | |
f2fs: allow write page cache when writting cp
This patch allow write data to normal file when writting
new checkpoint.
We relax three limitations for write_begin path:
1. data allocation
2. node allocation
3. variables in checkpoint
Signed-off-by: Yunlei He <heyunlei@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/node.c')
| -rw-r--r-- | fs/f2fs/node.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 29dc996b573c..6e87178d34a2 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -2448,10 +2448,11 @@ static void __flush_nat_entry_set(struct f2fs_sb_info *sbi, f2fs_put_page(page, 1); } - f2fs_bug_on(sbi, set->entry_cnt); - - radix_tree_delete(&NM_I(sbi)->nat_set_root, set->set); - kmem_cache_free(nat_entry_set_slab, set); + /* Allow dirty nats by node block allocation in write_begin */ + if (!set->entry_cnt) { + radix_tree_delete(&NM_I(sbi)->nat_set_root, set->set); + kmem_cache_free(nat_entry_set_slab, set); + } } /* @@ -2496,8 +2497,7 @@ void flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc) __flush_nat_entry_set(sbi, set, cpc); up_write(&nm_i->nat_tree_lock); - - f2fs_bug_on(sbi, nm_i->dirty_nat_cnt); + /* Allow dirty nats by node block allocation in write_begin */ } static int __get_nat_bitmaps(struct f2fs_sb_info *sbi) |