1 files changed, 23 insertions, 16 deletions

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index caeae900f..51970b345 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -39,6 +39,7 @@
 static vm_fault_t f2fs_filemap_fault(struct vm_fault *vmf)
 {
 	struct inode *inode = file_inode(vmf->vma->vm_file);
+	vm_flags_t flags = vmf->vma->vm_flags;
 	vm_fault_t ret;
 
 	ret = filemap_fault(vmf);
@@ -46,7 +47,7 @@ static vm_fault_t f2fs_filemap_fault(struct vm_fault *vmf)
 		f2fs_update_iostat(F2FS_I_SB(inode), inode,
 					APP_MAPPED_READ_IO, F2FS_BLKSIZE);
 
-	trace_f2fs_filemap_fault(inode, vmf->pgoff, (unsigned long)ret);
+	trace_f2fs_filemap_fault(inode, vmf->pgoff, flags, ret);
 
 	return ret;
 }
@@ -59,26 +60,29 @@ static vm_fault_t f2fs_vm_page_mkwrite(struct vm_fault *vmf)
 	struct dnode_of_data dn;
 	bool need_alloc = true;
 	int err = 0;
+	vm_fault_t ret;
 
 	if (unlikely(IS_IMMUTABLE(inode)))
 		return VM_FAULT_SIGBUS;
 
-	if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED))
-		return VM_FAULT_SIGBUS;
+	if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED)) {
+		err = -EIO;
+		goto out;
+	}
 
 	if (unlikely(f2fs_cp_error(sbi))) {
 		err = -EIO;
-		goto err;
+		goto out;
 	}
 
 	if (!f2fs_is_checkpoint_ready(sbi)) {
 		err = -ENOSPC;
-		goto err;
+		goto out;
 	}
 
 	err = f2fs_convert_inline_inode(inode);
 	if (err)
-		goto err;
+		goto out;
 
 #ifdef CONFIG_F2FS_FS_COMPRESSION
 	if (f2fs_compressed_file(inode)) {
@@ -86,7 +90,7 @@ static vm_fault_t f2fs_vm_page_mkwrite(struct vm_fault *vmf)
 
 		if (ret < 0) {
 			err = ret;
-			goto err;
+			goto out;
 		} else if (ret) {
 			need_alloc = false;
 		}
@@ -153,13 +157,15 @@ static vm_fault_t f2fs_vm_page_mkwrite(struct vm_fault *vmf)
 	f2fs_update_iostat(sbi, inode, APP_MAPPED_IO, F2FS_BLKSIZE);
 	f2fs_update_time(sbi, REQ_TIME);
 
-	trace_f2fs_vm_page_mkwrite(page, DATA);
 out_sem:
 	filemap_invalidate_unlock_shared(inode->i_mapping);
 
 	sb_end_pagefault(inode->i_sb);
-err:
-	return vmf_fs_error(err);
+out:
+	ret = vmf_fs_error(err);
+
+	trace_f2fs_vm_page_mkwrite(inode, page->index, vmf->vma->vm_flags, ret);
+	return ret;
 }
 
 static const struct vm_operations_struct f2fs_file_vm_ops = {
@@ -418,7 +424,7 @@ static loff_t f2fs_seek_block(struct file *file, loff_t offset, int whence)
 	loff_t isize;
 	int err = 0;
 
-	inode_lock(inode);
+	inode_lock_shared(inode);
 
 	isize = i_size_read(inode);
 	if (offset >= isize)
@@ -483,10 +489,10 @@ static loff_t f2fs_seek_block(struct file *file, loff_t offset, int whence)
 found:
 	if (whence == SEEK_HOLE && data_ofs > isize)
 		data_ofs = isize;
-	inode_unlock(inode);
+	inode_unlock_shared(inode);
 	return vfs_setpos(file, data_ofs, maxbytes);
 fail:
-	inode_unlock(inode);
+	inode_unlock_shared(inode);
 	return -ENXIO;
 }
 
@@ -2229,11 +2235,11 @@ static int f2fs_ioc_shutdown(struct file *filp, unsigned long arg)
 
 	switch (in) {
 	case F2FS_GOING_DOWN_FULLSYNC:
-		ret = freeze_bdev(sb->s_bdev);
+		ret = bdev_freeze(sb->s_bdev);
 		if (ret)
 			goto out;
 		f2fs_stop_checkpoint(sbi, false, STOP_CP_REASON_SHUTDOWN);
-		thaw_bdev(sb->s_bdev);
+		bdev_thaw(sb->s_bdev);
 		break;
 	case F2FS_GOING_DOWN_METASYNC:
 		/* do checkpoint only */
@@ -4577,7 +4583,8 @@ static int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *iter,
 	if (map.m_len > map.m_lblk)
 		map.m_len -= map.m_lblk;
 	else
-		map.m_len = 0;
+		return 0;
+
 	map.m_may_create = true;
 	if (dio) {
 		map.m_seg_type = f2fs_rw_hint_to_seg_type(inode->i_write_hint);