Merge branch 'master' into mm-hotfixes-stable

1 files changed, 33 insertions, 33 deletions

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 4580dfefd5e9..b58ab1157b7e 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -42,11 +42,11 @@ static vm_fault_t f2fs_filemap_fault(struct vm_fault *vmf)
 	vm_fault_t ret;
 
 	ret = filemap_fault(vmf);
-	if (!ret)
+	if (ret & VM_FAULT_LOCKED)
 		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, vmf->vma->vm_flags, ret);
 
 	return ret;
 }
@@ -59,26 +59,29 @@ 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 +89,7 @@ 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 +156,15 @@ 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 +423,7 @@ 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 +488,10 @@ 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;
 }
 
@@ -557,20 +562,14 @@ static int f2fs_file_open(struct inode *inode, struct file *filp)
 void f2fs_truncate_data_blocks_range(struct dnode_of_data *dn, int count)
 {
 	struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode);
-	struct f2fs_node *raw_node;
 	int nr_free = 0, ofs = dn->ofs_in_node, len = count;
 	__le32 *addr;
-	int base = 0;
 	bool compressed_cluster = false;
 	int cluster_index = 0, valid_blocks = 0;
 	int cluster_size = F2FS_I(dn->inode)->i_cluster_size;
 	bool released = !atomic_read(&F2FS_I(dn->inode)->i_compr_blocks);
 
-	if (IS_INODE(dn->node_page) && f2fs_has_extra_attr(dn->inode))
-		base = get_extra_isize(dn->inode);
-
-	raw_node = F2FS_NODE(dn->node_page);
-	addr = blkaddr_in_node(raw_node) + base + ofs;
+	addr = get_dnode_addr(dn->inode, dn->node_page) + ofs;
 
 	/* Assumption: truncation starts with cluster */
 	for (; count > 0; count--, addr++, dn->ofs_in_node++, cluster_index++) {
@@ -588,8 +587,7 @@ void f2fs_truncate_data_blocks_range(struct dnode_of_data *dn, int count)
 		if (blkaddr == NULL_ADDR)
 			continue;
 
-		dn->data_blkaddr = NULL_ADDR;
-		f2fs_set_data_blkaddr(dn);
+		f2fs_set_data_blkaddr(dn, NULL_ADDR);
 
 		if (__is_valid_data_blkaddr(blkaddr)) {
 			if (!f2fs_is_valid_blkaddr(sbi, blkaddr,
@@ -599,9 +597,6 @@ void f2fs_truncate_data_blocks_range(struct dnode_of_data *dn, int count)
 				valid_blocks++;
 		}
 
-		if (dn->ofs_in_node == 0 && IS_INODE(dn->node_page))
-			clear_inode_flag(dn->inode, FI_FIRST_BLOCK_WRITTEN);
-
 		f2fs_invalidate_blocks(sbi, blkaddr);
 
 		if (!released || blkaddr != COMPRESS_ADDR)
@@ -1317,6 +1312,7 @@ static int __clone_blkaddrs(struct inode *src_inode, struct inode *dst_inode,
 			}
 			memcpy_page(pdst, 0, psrc, 0, PAGE_SIZE);
 			set_page_dirty(pdst);
+			set_page_private_gcing(pdst);
 			f2fs_put_page(pdst, 1);
 			f2fs_put_page(psrc, 1);
 
@@ -1487,8 +1483,7 @@ static int f2fs_do_zero_range(struct dnode_of_data *dn, pgoff_t start,
 		}
 
 		f2fs_invalidate_blocks(sbi, dn->data_blkaddr);
-		dn->data_blkaddr = NEW_ADDR;
-		f2fs_set_data_blkaddr(dn);
+		f2fs_set_data_blkaddr(dn, NEW_ADDR);
 	}
 
 	f2fs_update_read_extent_cache_range(dn, start, 0, index - start);
@@ -2818,6 +2813,11 @@ static int f2fs_move_file_range(struct file *file_in, loff_t pos_in,
 			goto out;
 	}
 
+	if (f2fs_compressed_file(src) || f2fs_compressed_file(dst)) {
+		ret = -EOPNOTSUPP;
+		goto out_unlock;
+	}
+
 	ret = -EINVAL;
 	if (pos_in + len > src->i_size || pos_in + len < pos_in)
 		goto out_unlock;
@@ -3463,8 +3463,7 @@ static int release_compress_blocks(struct dnode_of_data *dn, pgoff_t count)
 			if (blkaddr != NEW_ADDR)
 				continue;
 
-			dn->data_blkaddr = NULL_ADDR;
-			f2fs_set_data_blkaddr(dn);
+			f2fs_set_data_blkaddr(dn, NULL_ADDR);
 		}
 
 		f2fs_i_compr_blocks_update(dn->inode, compr_blocks, false);
@@ -3630,8 +3629,7 @@ static int reserve_compress_blocks(struct dnode_of_data *dn, pgoff_t count)
 				continue;
 			}
 
-			dn->data_blkaddr = NEW_ADDR;
-			f2fs_set_data_blkaddr(dn);
+			f2fs_set_data_blkaddr(dn, NEW_ADDR);
 		}
 
 		reserved = cluster_size - compr_blocks;
@@ -4054,6 +4052,7 @@ static int redirty_blocks(struct inode *inode, pgoff_t page_idx, int len)
 		f2fs_bug_on(F2FS_I_SB(inode), !page);
 
 		set_page_dirty(page);
+		set_page_private_gcing(page);
 		f2fs_put_page(page, 1);
 		f2fs_put_page(page, 0);
 	}
@@ -4568,7 +4567,8 @@ 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);