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Code Issues Releases Wiki Activity

f2fs: fix to spread f2fs_is_checkpoint_ready()

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We missed to call f2fs_is_checkpoint_ready() in several places, it may
allow space allocation even when free space was exhausted during
checkpoint is disabled, fix to add them.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2019-07-22 17:57:05 +08:00 committed by Jaegeuk Kim
parent 7975f3498d
commit 955ebcd3a9
3 changed files with 20 additions and 0 deletions
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11
fs/f2fs/file.c
View file

@ -56,6 +56,9 @@ static vm_fault_t f2fs_vm_page_mkwrite(struct vm_fault *vmf)
err = -EIO;
goto err;
}
err = f2fs_is_checkpoint_ready(sbi);
if (err)
goto err;
sb_start_pagefault(inode->i_sb);
@ -1567,6 +1570,9 @@ static long f2fs_fallocate(struct file *file, int mode,
if (unlikely(f2fs_cp_error(F2FS_I_SB(inode))))
return -EIO;
ret = f2fs_is_checkpoint_ready(F2FS_I_SB(inode));
if (ret)
return ret;
/* f2fs only support ->fallocate for regular file */
if (!S_ISREG(inode->i_mode))
@ -3062,8 +3068,13 @@ static int f2fs_ioc_resize_fs(struct file *filp, unsigned long arg)
long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
int ret;
if (unlikely(f2fs_cp_error(F2FS_I_SB(file_inode(filp)))))
return -EIO;
ret = f2fs_is_checkpoint_ready(F2FS_I_SB(file_inode(filp)));
if (ret)
return ret;
switch (cmd) {
case F2FS_IOC_GETFLAGS:

4
fs/f2fs/namei.c
View file

@ -801,9 +801,13 @@ static int __f2fs_tmpfile(struct inode *dir, struct dentry *dentry,
static int f2fs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
int ret;
if (unlikely(f2fs_cp_error(sbi)))
return -EIO;
ret = f2fs_is_checkpoint_ready(sbi);
if (ret)
return ret;
if (IS_ENCRYPTED(dir) || DUMMY_ENCRYPTION_ENABLED(sbi)) {
int err = fscrypt_get_encryption_info(dir);

5
fs/f2fs/xattr.c
View file

@ -21,6 +21,7 @@
#include <linux/posix_acl_xattr.h>
#include "f2fs.h"
#include "xattr.h"
#include "segment.h"
static int f2fs_xattr_generic_get(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
@ -729,6 +730,10 @@ int f2fs_setxattr(struct inode *inode, int index, const char *name,
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
int err;
err = f2fs_is_checkpoint_ready(sbi);
if (err)
return err;
err = dquot_initialize(inode);
if (err)
return err;