diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2019-08-09 16:53:39 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-08-09 16:53:39 +0200 |
| commit | 0e1c438c44dd9cde56effb44c5f1cfeda72e108d (patch) | |
| tree | fa3492d4d7d8b7444e5d8ebe6c78210826333e4b /fs/ext4/file.c | |
| parent | c096397c78f766db972f923433031f2dec01cae0 (diff) | |
| parent | cdb2d3ee0436d74fa9092f2df46aaa6f9e03c969 (diff) | |
Merge tag 'kvmarm-fixes-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm fixes for 5.3
- A bunch of switch/case fall-through annotation, fixing one actual bug
- Fix PMU reset bug
- Add missing exception class debug strings
Diffstat (limited to 'fs/ext4/file.c')
| -rw-r--r-- | fs/ext4/file.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/ext4/file.c b/fs/ext4/file.c index f4a24a46245ea..70b0438dbc944 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -371,15 +371,17 @@ static const struct vm_operations_struct ext4_file_vm_ops = { static int ext4_file_mmap(struct file *file, struct vm_area_struct *vma) { struct inode *inode = file->f_mapping->host; + struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); + struct dax_device *dax_dev = sbi->s_daxdev; - if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb)))) + if (unlikely(ext4_forced_shutdown(sbi))) return -EIO; /* - * We don't support synchronous mappings for non-DAX files. At least - * until someone comes with a sensible use case. + * We don't support synchronous mappings for non-DAX files and + * for DAX files if underneath dax_device is not synchronous. */ - if (!IS_DAX(file_inode(file)) && (vma->vm_flags & VM_SYNC)) + if (!daxdev_mapping_supported(vma, dax_dev)) return -EOPNOTSUPP; file_accessed(file); |