f2fs: stop all the operations by cp_error flag

This patch replaces to use cp_error flag instead of RDONLY for quota off.

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

1 files changed, 26 insertions, 0 deletions

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 56232a72d2a3..ee12bd42af13 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -53,6 +53,11 @@ static int f2fs_vm_page_mkwrite(struct vm_fault *vmf)
 	struct dnode_of_data dn;
 	int err;
 
+	if (unlikely(f2fs_cp_error(sbi))) {
+		err = -EIO;
+		goto err;
+	}
+
 	sb_start_pagefault(inode->i_sb);
 
 	f2fs_bug_on(sbi, f2fs_has_inline_data(inode));
@@ -114,6 +119,7 @@ out_sem:
 out:
 	sb_end_pagefault(inode->i_sb);
 	f2fs_update_time(sbi, REQ_TIME);
+err:
 	return block_page_mkwrite_return(err);
 }
 
@@ -310,6 +316,8 @@ out:
 
 int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
 {
+	if (unlikely(f2fs_cp_error(F2FS_I_SB(file_inode(file)))))
+		return -EIO;
 	return f2fs_do_sync_file(file, start, end, datasync, false);
 }
 
@@ -446,6 +454,9 @@ static int f2fs_file_mmap(struct file *file, struct vm_area_struct *vma)
 	struct inode *inode = file_inode(file);
 	int err;
 
+	if (unlikely(f2fs_cp_error(F2FS_I_SB(inode))))
+		return -EIO;
+
 	/* we don't need to use inline_data strictly */
 	err = f2fs_convert_inline_inode(inode);
 	if (err)
@@ -632,6 +643,9 @@ int f2fs_truncate(struct inode *inode)
 {
 	int err;
 
+	if (unlikely(f2fs_cp_error(F2FS_I_SB(inode))))
+		return -EIO;
+
 	if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
 				S_ISLNK(inode->i_mode)))
 		return 0;
@@ -731,6 +745,9 @@ int f2fs_setattr(struct dentry *dentry, struct iattr *attr)
 	int err;
 	bool size_changed = false;
 
+	if (unlikely(f2fs_cp_error(F2FS_I_SB(inode))))
+		return -EIO;
+
 	err = setattr_prepare(dentry, attr);
 	if (err)
 		return err;
@@ -1459,6 +1476,9 @@ static long f2fs_fallocate(struct file *file, int mode,
 	struct inode *inode = file_inode(file);
 	long ret = 0;
 
+	if (unlikely(f2fs_cp_error(F2FS_I_SB(inode))))
+		return -EIO;
+
 	/* f2fs only support ->fallocate for regular file */
 	if (!S_ISREG(inode->i_mode))
 		return -EINVAL;
@@ -2637,6 +2657,9 @@ static int f2fs_ioc_fssetxattr(struct file *filp, unsigned long arg)
 
 long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
+	if (unlikely(f2fs_cp_error(F2FS_I_SB(file_inode(filp)))))
+		return -EIO;
+
 	switch (cmd) {
 	case F2FS_IOC_GETFLAGS:
 		return f2fs_ioc_getflags(filp, arg);
@@ -2694,6 +2717,9 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
 	struct blk_plug plug;
 	ssize_t ret;
 
+	if (unlikely(f2fs_cp_error(F2FS_I_SB(inode))))
+		return -EIO;
+
 	inode_lock(inode);
 	ret = generic_write_checks(iocb, from);
 	if (ret > 0) {