[PATCH 1/5] f2fs: introduce get_dirty_dents for readability

[Jaegeuk Kim]

The get_dirty_dents gives us the number of dirty dentry pages.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@xxxxxxxxxxx>
---
 fs/f2fs/checkpoint.c | 2 +-
 fs/f2fs/f2fs.h       | 5 +++++
 fs/f2fs/inode.c      | 2 +-
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 911b6f9..4c0e98d 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -619,7 +619,7 @@ void remove_dirty_dir_inode(struct inode *inode)
 		return;
 
 	spin_lock(&sbi->dir_inode_lock);
-	if (atomic_read(&F2FS_I(inode)->dirty_dents)) {
+	if (get_dirty_dents(inode)) {
 		spin_unlock(&sbi->dir_inode_lock);
 		return;
 	}
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 292cc3c..59fac1a 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -704,6 +704,11 @@ static inline int get_pages(struct f2fs_sb_info *sbi, int count_type)
 	return atomic_read(&sbi->nr_pages[count_type]);
 }
 
+static inline int get_dirty_dents(struct inode *inode)
+{
+	return atomic_read(&F2FS_I(inode)->dirty_dents);
+}
+
 static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type)
 {
 	unsigned int pages_per_sec = sbi->segs_per_sec *
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index d518e37..0d8e4a2 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -273,7 +273,7 @@ void f2fs_evict_inode(struct inode *inode)
 			inode->i_ino == F2FS_META_INO(sbi))
 		goto no_delete;
 
-	f2fs_bug_on(atomic_read(&F2FS_I(inode)->dirty_dents));
+	f2fs_bug_on(get_dirty_dents(inode));
 	remove_dirty_dir_inode(inode);
 
 	if (inode->i_nlink || is_bad_inode(inode))
-- 
1.8.4.474.g128a96c

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