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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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30
fs/f2fs/namei.c
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@@ -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) &&