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Commit 976e4c50 authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: update i_size when __allocate_data_block 



The f2fs_direct_IO uses __allocate_data_block, but inside the allocation path,
we should update i_size at the changed time to update its inode page.
Otherwise, we can get wrong i_size after roll-forward recovery.

Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 90a893c7

fs/f2fs/data.c

+8 −0
Original line number Diff line number Diff line
@@ -572,9 +572,11 @@ put_err: 
static int __allocate_data_block(struct dnode_of_data *dn)

{

	struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode);

	struct f2fs_inode_info *fi = F2FS_I(dn->inode);

	struct f2fs_summary sum;

	block_t new_blkaddr;

	struct node_info ni;

	pgoff_t fofs;

	int type;



	if (unlikely(is_inode_flag_set(F2FS_I(dn->inode), FI_NO_ALLOC)))
@@ -597,6 +599,12 @@ static int __allocate_data_block(struct dnode_of_data *dn) 
	update_extent_cache(new_blkaddr, dn);

	clear_inode_flag(F2FS_I(dn->inode), FI_NO_EXTENT);



	/* update i_size */

	fofs = start_bidx_of_node(ofs_of_node(dn->node_page), fi) +

							dn->ofs_in_node;

	if (i_size_read(dn->inode) < ((fofs + 1) << PAGE_CACHE_SHIFT))

		i_size_write(dn->inode, ((fofs + 1) << PAGE_CACHE_SHIFT));



	dn->data_blkaddr = new_blkaddr;

	return 0;

}