f2fs: fix to spread f2fs_is_checkpoint_ready()

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>

3 files changed, 20 insertions, 0 deletions

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 3e58a6f697dd..1e27b4bc852d 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -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:
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 612561c4f7bd..7560c7ed38b1 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -801,9 +801,13 @@ out:
 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);
diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c
index b32c45621679..3c92f4122044 100644
--- a/fs/f2fs/xattr.c
+++ b/fs/f2fs/xattr.c
@@ -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;