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>

diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 6312dd2e53f7a1436a436d4a78d073e06a790d31..2bee559a690f2989a3dcbc09cf8a026aa8613d63 100644 (file)
--- 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 */