ext4: treat end of range as exclusive in ext4_zero_range()
The call to filemap_write_and_wait_range() assumes the range passed to be inclusive, so fix the call to make sure we follow that. Signed-off-by: Ojaswin Mujoo <ojaswin@linux.ibm.com> Reviewed-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/e503107a7c73a2b68dec645c5ad798c437717c45.1698856309.git.ojaswin@linux.ibm.com Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
parent
e89fdcc425
commit
9257336914
@ -4523,7 +4523,8 @@ static long ext4_zero_range(struct file *file, loff_t offset,
|
||||
* Round up offset. This is not fallocate, we need to zero out
|
||||
* blocks, so convert interior block aligned part of the range to
|
||||
* unwritten and possibly manually zero out unaligned parts of the
|
||||
* range.
|
||||
* range. Here, start and partial_begin are inclusive, end and
|
||||
* partial_end are exclusive.
|
||||
*/
|
||||
start = round_up(offset, 1 << blkbits);
|
||||
end = round_down((offset + len), 1 << blkbits);
|
||||
@ -4609,7 +4610,8 @@ static long ext4_zero_range(struct file *file, loff_t offset,
|
||||
* disk in case of crash before zeroing trans is committed.
|
||||
*/
|
||||
if (ext4_should_journal_data(inode)) {
|
||||
ret = filemap_write_and_wait_range(mapping, start, end);
|
||||
ret = filemap_write_and_wait_range(mapping, start,
|
||||
end - 1);
|
||||
if (ret) {
|
||||
filemap_invalidate_unlock(mapping);
|
||||
goto out_mutex;
|
||||
|
Loading…
x
Reference in New Issue
Block a user