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authorChao Yu <yuchao0@huawei.com>2017-11-08 17:47:36 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2017-11-09 10:12:26 -0800
commit2fbaa25fde4615fc5f32f71992510d83e427371b (patch)
tree5fe2acf95d59902133085a1114702d45d56c5f37 /fs/f2fs
parent974565744955b6154a93c85b77cb94026c85ff5a (diff)
downloadlinux-2fbaa25fde4615fc5f32f71992510d83e427371b.tar.bz2
f2fs: introduce scan_curseg_cache for cleanup
Commit 4ac912427c42 ("f2fs: introduce free nid bitmap") copied codes from __build_free_nids() into scan_free_nid_bits(), they are redundant, introduce one common function scan_curseg_cache for cleanup. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/node.c49
1 files changed, 23 insertions, 26 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index be6fb809f519..d2530179cc9c 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1949,11 +1949,30 @@ static void scan_nat_page(struct f2fs_sb_info *sbi,
}
}
-static void scan_free_nid_bits(struct f2fs_sb_info *sbi)
+static void scan_curseg_cache(struct f2fs_sb_info *sbi)
{
- struct f2fs_nm_info *nm_i = NM_I(sbi);
struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_HOT_DATA);
struct f2fs_journal *journal = curseg->journal;
+ int i;
+
+ down_read(&curseg->journal_rwsem);
+ for (i = 0; i < nats_in_cursum(journal); i++) {
+ block_t addr;
+ nid_t nid;
+
+ addr = le32_to_cpu(nat_in_journal(journal, i).block_addr);
+ nid = le32_to_cpu(nid_in_journal(journal, i));
+ if (addr == NULL_ADDR)
+ add_free_nid(sbi, nid, true);
+ else
+ remove_free_nid(sbi, nid);
+ }
+ up_read(&curseg->journal_rwsem);
+}
+
+static void scan_free_nid_bits(struct f2fs_sb_info *sbi)
+{
+ struct f2fs_nm_info *nm_i = NM_I(sbi);
unsigned int i, idx;
nid_t nid;
@@ -1978,26 +1997,14 @@ static void scan_free_nid_bits(struct f2fs_sb_info *sbi)
}
}
out:
- down_read(&curseg->journal_rwsem);
- for (i = 0; i < nats_in_cursum(journal); i++) {
- block_t addr;
+ scan_curseg_cache(sbi);
- addr = le32_to_cpu(nat_in_journal(journal, i).block_addr);
- nid = le32_to_cpu(nid_in_journal(journal, i));
- if (addr == NULL_ADDR)
- add_free_nid(sbi, nid, true);
- else
- remove_free_nid(sbi, nid);
- }
- up_read(&curseg->journal_rwsem);
up_read(&nm_i->nat_tree_lock);
}
static void __build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
- struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_HOT_DATA);
- struct f2fs_journal *journal = curseg->journal;
int i = 0;
nid_t nid = nm_i->next_scan_nid;
@@ -2043,18 +2050,8 @@ static void __build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount)
nm_i->next_scan_nid = nid;
/* find free nids from current sum_pages */
- down_read(&curseg->journal_rwsem);
- for (i = 0; i < nats_in_cursum(journal); i++) {
- block_t addr;
+ scan_curseg_cache(sbi);
- addr = le32_to_cpu(nat_in_journal(journal, i).block_addr);
- nid = le32_to_cpu(nid_in_journal(journal, i));
- if (addr == NULL_ADDR)
- add_free_nid(sbi, nid, true);
- else
- remove_free_nid(sbi, nid);
- }
- up_read(&curseg->journal_rwsem);
up_read(&nm_i->nat_tree_lock);
ra_meta_pages(sbi, NAT_BLOCK_OFFSET(nm_i->next_scan_nid),