f2fs: support F2FS_IOC_FS{GET,SET}XATTR

index d35621b8d739..2c23b0c40817 100644
@@ -338,6 +338,9 @@ static inline bool __has_cursum_space(struct f2fs_journal *journal,
 #define F2FS_IOC32_GETVERSION		FS_IOC32_GETVERSION
 #endif
 
+#define F2FS_IOC_FSGETXATTR		FS_IOC_FSGETXATTR
+#define F2FS_IOC_FSSETXATTR		FS_IOC_FSSETXATTR
+
 struct f2fs_gc_range {
 	u32 sync;
 	u64 start;

308 lines not on this page · raw message

index 043908e1869c..a14143c947e3 100644
@@ -705,6 +705,48 @@ static int f2fs_unfreeze(struct super_block *sb)
 	return 0;
 }
 
+#ifdef CONFIG_QUOTA
+static int f2fs_statfs_project(struct super_block *sb,
+				kprojid_t projid, struct kstatfs *buf)
+{
+	struct kqid qid;
+	struct dquot *dquot;
+	u64 limit;
+	u64 curblock;
+
+	qid = make_kqid_projid(projid);
+	dquot = dqget(sb, qid);
+	if (IS_ERR(dquot))
+		return PTR_ERR(dquot);
+	spin_lock(&dq_data_lock);
+
+	limit = (dquot->dq_dqb.dqb_bsoftlimit ?
+		 dquot->dq_dqb.dqb_bsoftlimit :
+		 dquot->dq_dqb.dqb_bhardlimit) >> sb->s_blocksize_bits;
+	if (limit && buf->f_blocks > limit) {
+		curblock = dquot->dq_dqb.dqb_curspace >> sb->s_blocksize_bits;
+		buf->f_blocks = limit;
+		buf->f_bfree = buf->f_bavail =
+			(buf->f_blocks > curblock) ?
+			 (buf->f_blocks - curblock) : 0;
+	}
+
+	limit = dquot->dq_dqb.dqb_isoftlimit ?
+		dquot->dq_dqb.dqb_isoftlimit :
+		dquot->dq_dqb.dqb_ihardlimit;
+	if (limit && buf->f_files > limit) {
+		buf->f_files = limit;
+		buf->f_ffree =
+			(buf->f_files > dquot->dq_dqb.dqb_curinodes) ?
+			 (buf->f_files - dquot->dq_dqb.dqb_curinodes) : 0;
+	}
+
+	spin_unlock(&dq_data_lock);
+	dqput(dquot);
+	return 0;
+}
+#endif
+
 static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf)
 {
 	struct super_block *sb = dentry->d_sb;

@@ -740,6 +782,12 @@ static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf)
 	buf->f_fsid.val[0] = (u32)id;
 	buf->f_fsid.val[1] = (u32)(id >> 32);
 
+#ifdef CONFIG_QUOTA
+	if (is_inode_flag_set(dentry->d_inode, FI_PROJ_INHERIT) &&
+			sb_has_quota_limits_enabled(sb, PRJQUOTA)) {
+		f2fs_statfs_project(sb, F2FS_I(dentry->d_inode)->i_projid, buf);
+	}
+#endif
 	return 0;
 }
 

index 2c23b0c40817..d6975b81b96b 100644
@@ -92,6 +92,7 @@ extern char *fault_name[FAULT_MAX];
 #define F2FS_MOUNT_USRQUOTA		0x00080000
 #define F2FS_MOUNT_GRPQUOTA		0x00100000
 #define F2FS_MOUNT_PRJQUOTA		0x00200000
+#define F2FS_MOUNT_QUOTA		0x00400000
 
 #define clear_opt(sbi, option)	((sbi)->mount_opt.opt &= ~F2FS_MOUNT_##option)
 #define set_opt(sbi, option)	((sbi)->mount_opt.opt |= F2FS_MOUNT_##option)

@@ -1093,6 +1094,12 @@ struct f2fs_sb_info {
 #ifdef CONFIG_F2FS_FAULT_INJECTION
 	struct f2fs_fault_info fault_info;
 #endif
+
+#ifdef CONFIG_QUOTA
+	/* Names of quota files with journalled quota */
+	char *s_qf_names[MAXQUOTAS];
+	int s_jquota_fmt;			/* Format of quota to use */
+#endif
 };
 
 #ifdef CONFIG_F2FS_FAULT_INJECTION

index 2d9b8182691f..998568ec9b06 100644
@@ -69,20 +69,34 @@ static struct fsync_inode_entry *get_fsync_inode(struct list_head *head,
 }
 
 static struct fsync_inode_entry *add_fsync_inode(struct f2fs_sb_info *sbi,
-					struct list_head *head, nid_t ino)
+			struct list_head *head, nid_t ino, bool quota_inode)
 {
 	struct inode *inode;
 	struct fsync_inode_entry *entry;
+	int err;
 
 	inode = f2fs_iget_retry(sbi->sb, ino);
 	if (IS_ERR(inode))
 		return ERR_CAST(inode);
 
+	err = dquot_initialize(inode);
+	if (err)
+		goto err_out;
+
+	if (quota_inode) {
+		err = dquot_alloc_inode(inode);
+		if (err)
+			goto err_out;
+	}
+
 	entry = f2fs_kmem_cache_alloc(fsync_entry_slab, GFP_F2FS_ZERO);
 	entry->inode = inode;
 	list_add_tail(&entry->list, head);
 
 	return entry;
+err_out:
+	iput(inode);
+	return ERR_PTR(err);
 }
 
 static void del_fsync_inode(struct fsync_inode_entry *entry)

@@ -107,7 +121,8 @@ static int recover_dentry(struct inode *inode, struct page *ipage,
 
 	entry = get_fsync_inode(dir_list, pino);
 	if (!entry) {
-		entry = add_fsync_inode(F2FS_I_SB(inode), dir_list, pino);
+		entry = add_fsync_inode(F2FS_I_SB(inode), dir_list,
+							pino, false);
 		if (IS_ERR(entry)) {
 			dir = ERR_CAST(entry);
 			err = PTR_ERR(entry);

@@ -226,18 +241,22 @@ static int find_fsync_dnodes(struct f2fs_sb_info *sbi, struct list_head *head,
 
 		entry = get_fsync_inode(head, ino_of_node(page));
 		if (!entry) {
+			bool quota_inode = false;
+
 			if (!check_only &&
 					IS_INODE(page) && is_dent_dnode(page)) {
 				err = recover_inode_page(sbi, page);
 				if (err)
 					break;
+				quota_inode = true;
 			}
 
 			/*
 			 * CP | dnode(F) | inode(DF)
 			 * For this case, we should not give up now.
 			 */
-			entry = add_fsync_inode(sbi, head, ino_of_node(page));
+			entry = add_fsync_inode(sbi, head, ino_of_node(page),
+								quota_inode);
 			if (IS_ERR(entry)) {
 				err = PTR_ERR(entry);
 				if (err == -ENOENT) {

402 lines not on this page · raw message