f2fs: implement -o dirsync

If a mount option has dirsync, we should call checkpoint for all the directory
operations.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

1 files changed, 24 insertions, 0 deletions

diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 6312dd2e53f7..2bee559a690f 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -138,6 +138,9 @@ static int f2fs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
         stat_inc_inline_inode(inode);
         d_instantiate(dentry, inode);
         unlock_new_inode(inode);
+
+        if (IS_DIRSYNC(dir))
+                f2fs_sync_fs(sbi->sb, 1);
         return 0;
 out:
         handle_failed_inode(inode);
@@ -164,6 +167,9 @@ static int f2fs_link(struct dentry *old_dentry, struct inode *dir,
         f2fs_unlock_op(sbi);
 
         d_instantiate(dentry, inode);
+
+        if (IS_DIRSYNC(dir))
+                f2fs_sync_fs(sbi->sb, 1);
         return 0;
 out:
         clear_inode_flag(F2FS_I(inode), FI_INC_LINK);
@@ -235,6 +241,9 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry)
 
         /* In order to evict this inode, we set it dirty */
         mark_inode_dirty(inode);
+
+        if (IS_DIRSYNC(dir))
+                f2fs_sync_fs(sbi->sb, 1);
 fail:
         trace_f2fs_unlink_exit(inode, err);
         return err;
@@ -268,6 +277,9 @@ static int f2fs_symlink(struct inode *dir, struct dentry *dentry,
 
         d_instantiate(dentry, inode);
         unlock_new_inode(inode);
+
+        if (IS_DIRSYNC(dir))
+                f2fs_sync_fs(sbi->sb, 1);
         return err;
 out:
         handle_failed_inode(inode);
@@ -304,6 +316,8 @@ static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
         d_instantiate(dentry, inode);
         unlock_new_inode(inode);
 
+        if (IS_DIRSYNC(dir))
+                f2fs_sync_fs(sbi->sb, 1);
         return 0;
 
 out_fail:
@@ -346,8 +360,12 @@ static int f2fs_mknod(struct inode *dir, struct dentry *dentry,
         f2fs_unlock_op(sbi);
 
         alloc_nid_done(sbi, inode->i_ino);
+
         d_instantiate(dentry, inode);
         unlock_new_inode(inode);
+
+        if (IS_DIRSYNC(dir))
+                f2fs_sync_fs(sbi->sb, 1);
         return 0;
 out:
         handle_failed_inode(inode);
@@ -461,6 +479,9 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
         }
 
         f2fs_unlock_op(sbi);
+
+        if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir))
+                f2fs_sync_fs(sbi->sb, 1);
         return 0;
 
 put_out_dir:
@@ -600,6 +621,9 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
         update_inode_page(new_dir);
 
         f2fs_unlock_op(sbi);
+
+        if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir))
+                f2fs_sync_fs(sbi->sb, 1);
         return 0;
 out_undo:
         /* Still we may fail to recover name info of f2fs_inode here */