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Commit dacb473a authored by Yan's avatar Yan Committed by Chris Mason
Browse files

Btrfs: Fix hole creation in file_write 



Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent 47b0c4f8

fs/btrfs/file.c

+2 −4
Original line number Diff line number Diff line
@@ -265,16 +265,14 @@ static int noinline dirty_and_release_pages(struct btrfs_trans_handle *trans, 
	set_extent_uptodate(io_tree, start_pos, end_of_last_block, GFP_NOFS);



	/* FIXME...EIEIO, ENOSPC and more */



	/* insert any holes we need to create */

	if (inode->i_size < start_pos) {

	if (isize < end_pos) {

		u64 last_pos_in_file;

		u64 hole_size;

		u64 mask = root->sectorsize - 1;

		last_pos_in_file = (isize + mask) & ~mask;

		hole_size = (end_pos - last_pos_in_file + mask) & ~mask;



		if (last_pos_in_file < start_pos) {

		if (last_pos_in_file < end_pos) {

			err = btrfs_drop_extents(trans, root, inode,

						 last_pos_in_file,

						 last_pos_in_file + hole_size,