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Btrfs: Fix hole creation in file_write 

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Yan 2008-02-05 09:07:49 -05:00 committed by Chris Mason
parent 47b0c4f8c7
commit dacb473ad8
1 changed files with 2 additions and 4 deletions
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6
fs/btrfs/file.c
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@ -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,