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f2fs: stop all the operations by cp_error flag

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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>
This commit is contained in:
Jaegeuk Kim 2017-10-23 23:48:49 +02:00
parent dca6951f5a
commit 1f227a3e21
5 changed files with 62 additions and 1 deletions
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3
fs/f2fs/acl.c
View File

@ -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);
}

1
fs/f2fs/checkpoint.c
View File

@ -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);
}

26
fs/f2fs/file.c
View File

@ -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) {

30
fs/f2fs/namei.c
View File

@ -177,6 +177,9 @@ 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;
err = dquot_initialize(dir);
if (err)
return err;
@ -221,6 +224,9 @@ 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;
@ -420,6 +426,9 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry)
trace_f2fs_unlink_enter(dir, dentry);
if (unlikely(f2fs_cp_error(sbi)))
return -EIO;
err = dquot_initialize(dir);
if (err)
return err;
@ -475,6 +484,9 @@ 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)
@ -581,6 +593,9 @@ 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;
err = dquot_initialize(dir);
if (err)
return err;
@ -633,6 +648,9 @@ static int f2fs_mknod(struct inode *dir, struct dentry *dentry,
struct inode *inode;
int err = 0;
if (unlikely(f2fs_cp_error(sbi)))
return -EIO;
err = dquot_initialize(dir);
if (err)
return err;
@ -727,6 +745,9 @@ 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)
@ -738,6 +759,9 @@ 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);
}
@ -757,6 +781,9 @@ 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) &&
@ -950,6 +977,9 @@ 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) &&

3
fs/f2fs/super.c
View File

@ -859,6 +859,9 @@ 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)))