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Commit 02fe062b authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

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: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent d2d06691

fs/f2fs/acl.c

+3 −0
Original line number Diff line number Diff line
@@ -250,6 +250,9 @@ static int __f2fs_set_acl(struct inode *inode, int type, 


int f2fs_set_acl(struct inode *inode, struct posix_acl *acl, int type)

{

	if (unlikely(f2fs_cp_error(F2FS_I_SB(inode))))

		return -EIO;



	return __f2fs_set_acl(inode, type, acl, NULL);

}

fs/f2fs/checkpoint.c

+0 −1
Original line number Diff line number Diff line
@@ -29,7 +29,6 @@ struct kmem_cache *inode_entry_slab; 
void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io)

{

	set_ckpt_flags(sbi, CP_ERROR_FLAG);

	sbi->sb->s_flags |= MS_RDONLY;

	if (!end_io)

		f2fs_flush_merged_writes(sbi);

}

fs/f2fs/file.c

+26 −0
Original line number Diff line number Diff line
@@ -56,6 +56,11 @@ static int f2fs_vm_page_mkwrite(struct vm_area_struct *vma, 
	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));
@@ -117,6 +122,7 @@ out_sem: 
out:

	sb_end_pagefault(inode->i_sb);

	f2fs_update_time(sbi, REQ_TIME);

err:

	return block_page_mkwrite_return(err);

}
@@ -313,6 +319,8 @@ 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);

}
@@ -449,6 +457,9 @@ 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)
@@ -635,6 +646,9 @@ 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;
@@ -713,6 +727,9 @@ 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 = inode_change_ok(inode, attr);

	if (err)

		return err;
@@ -1451,6 +1468,9 @@ 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;
@@ -2427,6 +2447,9 @@ static int f2fs_ioc_get_features(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);
@@ -2482,6 +2505,9 @@ 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(file, &pos, &count, S_ISBLK(inode->i_mode));

	if (!ret) {

fs/f2fs/namei.c

+29 −0
Original line number Diff line number Diff line
@@ -175,6 +175,9 @@ static int f2fs_create(struct inode *dir, struct dentry *dentry, umode_t mode, 
	nid_t ino = 0;

	int err;



	if (unlikely(f2fs_cp_error(sbi)))

		return -EIO;



	dquot_initialize(dir);



	inode = f2fs_new_inode(dir, mode);
@@ -217,6 +220,9 @@ static int f2fs_link(struct dentry *old_dentry, struct inode *dir, 
	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);

	int err;



	if (unlikely(f2fs_cp_error(sbi)))

		return -EIO;



	if (f2fs_encrypted_inode(dir) &&

			!fscrypt_has_permitted_context(dir, inode))

		return -EPERM;
@@ -412,6 +418,9 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry) 


	trace_f2fs_unlink_enter(dir, dentry);



	if (unlikely(f2fs_cp_error(sbi)))

		return -EIO;



	dquot_initialize(dir);



	de = f2fs_find_entry(dir, &dentry->d_name, &page);
@@ -473,6 +482,9 @@ static int f2fs_symlink(struct inode *dir, struct dentry *dentry, 
	struct fscrypt_symlink_data *sd = NULL;

	int err;



	if (unlikely(f2fs_cp_error(sbi)))

		return -EIO;



	if (f2fs_encrypted_inode(dir)) {

		err = fscrypt_get_encryption_info(dir);

		if (err)
@@ -577,6 +589,9 @@ static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) 
	struct inode *inode;

	int err;



	if (unlikely(f2fs_cp_error(sbi)))

		return -EIO;



	dquot_initialize(dir);



	inode = f2fs_new_inode(dir, S_IFDIR | mode);
@@ -627,6 +642,8 @@ static int f2fs_mknod(struct inode *dir, struct dentry *dentry, 
	struct inode *inode;

	int err = 0;



	if (unlikely(f2fs_cp_error(sbi)))

		return -EIO;

	if (!new_valid_dev(rdev))

		return -EINVAL;
@@ -720,6 +737,9 @@ out: 


static int f2fs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)

{

	if (unlikely(f2fs_cp_error(F2FS_I_SB(dir))))

		return -EIO;



	if (f2fs_encrypted_inode(dir)) {

		int err = fscrypt_get_encryption_info(dir);

		if (err)
@@ -731,6 +751,9 @@ static int f2fs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode) 


static int f2fs_create_whiteout(struct inode *dir, struct inode **whiteout)

{

	if (unlikely(f2fs_cp_error(F2FS_I_SB(dir))))

		return -EIO;



	return __f2fs_tmpfile(dir, NULL, S_IFCHR | WHITEOUT_MODE, whiteout);

}
@@ -750,6 +773,9 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry, 
	bool is_old_inline = f2fs_has_inline_dentry(old_dir);

	int err = -ENOENT;



	if (unlikely(f2fs_cp_error(sbi)))

		return -EIO;



	if ((f2fs_encrypted_inode(old_dir) &&

			!fscrypt_has_encryption_key(old_dir)) ||

			(f2fs_encrypted_inode(new_dir) &&
@@ -939,6 +965,9 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry, 
	int old_nlink = 0, new_nlink = 0;

	int err = -ENOENT;



	if (unlikely(f2fs_cp_error(sbi)))

		return -EIO;



	if ((f2fs_encrypted_inode(old_dir) &&

			!fscrypt_has_encryption_key(old_dir)) ||

			(f2fs_encrypted_inode(new_dir) &&

fs/f2fs/super.c

+3 −0
Original line number Diff line number Diff line
@@ -875,6 +875,9 @@ int f2fs_sync_fs(struct super_block *sb, int sync) 
	struct f2fs_sb_info *sbi = F2FS_SB(sb);

	int err = 0;



	if (unlikely(f2fs_cp_error(sbi)))

		return 0;



	trace_f2fs_sync_fs(sb, sync);



	if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))