[PATCH] f2fs: fix to propagate error from f2fs_sync_fs()

[Chao Yu <chao@kernel.org>]

So that caller can detect any failure from f2fs_sync_fs().

Signed-off-by: Chao Yu <chao@kernel.org>
---
 fs/f2fs/namei.c | 51 ++++++++++++++++++++++++++++++++++---------------
 fs/f2fs/super.c |  4 +++-
 2 files changed, 39 insertions(+), 16 deletions(-)

diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index f67864417455..37897f4321c0 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -402,8 +402,11 @@ static int f2fs_create(struct mnt_idmap *idmap, struct inode *dir,
 
 	d_instantiate_new(dentry, inode);
 
-	if (IS_DIRSYNC(dir))
-		f2fs_sync_fs(sbi->sb, 1);
+	if (IS_DIRSYNC(dir)) {
+		err = f2fs_sync_fs(sbi->sb, 1);
+		if (err)
+			return err;
+	}
 
 	f2fs_balance_fs(sbi, true);
 	return 0;
@@ -455,8 +458,11 @@ static int f2fs_link(struct dentry *old_dentry, struct inode *dir,
 
 	d_instantiate(dentry, inode);
 
-	if (IS_DIRSYNC(dir))
-		f2fs_sync_fs(sbi->sb, 1);
+	if (IS_DIRSYNC(dir)) {
+		err = f2fs_sync_fs(sbi->sb, 1);
+		if (err)
+			return err;
+	}
 	return 0;
 out:
 	clear_inode_flag(inode, FI_INC_LINK);
@@ -624,8 +630,11 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry)
 	if (IS_ENABLED(CONFIG_UNICODE) && IS_CASEFOLDED(dir))
 		d_invalidate(dentry);
 
-	if (IS_DIRSYNC(dir))
-		f2fs_sync_fs(sbi->sb, 1);
+	if (IS_DIRSYNC(dir)) {
+		err = f2fs_sync_fs(sbi->sb, 1);
+		if (err)
+			goto out;
+	}
 
 	goto out;
 corrupted:
@@ -717,7 +726,7 @@ static int f2fs_symlink(struct mnt_idmap *idmap, struct inode *dir,
 						   disk_link.len - 1);
 
 		if (!err && IS_DIRSYNC(dir))
-			f2fs_sync_fs(sbi->sb, 1);
+			err = f2fs_sync_fs(sbi->sb, 1);
 	}
 
 	if (err)
@@ -769,8 +778,11 @@ static struct dentry *f2fs_mkdir(struct mnt_idmap *idmap, struct inode *dir,
 
 	d_instantiate_new(dentry, inode);
 
-	if (IS_DIRSYNC(dir))
-		f2fs_sync_fs(sbi->sb, 1);
+	if (IS_DIRSYNC(dir)) {
+		err = f2fs_sync_fs(sbi->sb, 1);
+		if (err)
+			return ERR_PTR(err);
+	}
 
 	f2fs_balance_fs(sbi, true);
 	return NULL;
@@ -824,8 +836,11 @@ static int f2fs_mknod(struct mnt_idmap *idmap, struct inode *dir,
 
 	d_instantiate_new(dentry, inode);
 
-	if (IS_DIRSYNC(dir))
-		f2fs_sync_fs(sbi->sb, 1);
+	if (IS_DIRSYNC(dir)) {
+		err = f2fs_sync_fs(sbi->sb, 1);
+		if (err)
+			return err;
+	}
 
 	f2fs_balance_fs(sbi, true);
 	return 0;
@@ -1122,8 +1137,11 @@ static int f2fs_rename(struct mnt_idmap *idmap, struct inode *old_dir,
 
 	f2fs_unlock_op(sbi, &lc);
 
-	if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir))
-		f2fs_sync_fs(sbi->sb, 1);
+	if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir)) {
+		err = f2fs_sync_fs(sbi->sb, 1);
+		if (err)
+			return err;
+	}
 
 	f2fs_update_time(sbi, REQ_TIME);
 	return 0;
@@ -1289,8 +1307,11 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
 
 	f2fs_unlock_op(sbi, &lc);
 
-	if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir))
-		f2fs_sync_fs(sbi->sb, 1);
+	if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir)) {
+		err = f2fs_sync_fs(sbi->sb, 1);
+		if (err)
+			return err;
+	}
 
 	f2fs_update_time(sbi, REQ_TIME);
 	return 0;
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 0c8f60b7242f..3bdb0f891c35 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -2960,7 +2960,9 @@ static int __f2fs_remount(struct fs_context *fc, struct super_block *sb)
 
 		set_sbi_flag(sbi, SBI_IS_DIRTY);
 		set_sbi_flag(sbi, SBI_IS_CLOSE);
-		f2fs_sync_fs(sb, 1);
+		err = f2fs_sync_fs(sb, 1);
+		if (err)
+			goto restore_gc;
 		clear_sbi_flag(sbi, SBI_IS_CLOSE);
 	}
 
-- 
2.49.0