AcoSail/kernel_optimize_test
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Btrfs: clean up btrfs_ordered_update_i_size

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Since we have a good helper entry_end, use it for ordered extent.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ whitespace reformatting ]
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Liu Bo 2016-12-13 12:51:51 -08:00 committed by David Sterba
parent 5416034f7a
commit 62c821a8e2
1 changed files with 13 additions and 16 deletions
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29
fs/btrfs/ordered-data.c
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@ -1042,25 +1042,22 @@ int btrfs_ordered_update_i_size(struct inode *inode, u64 offset,
/* We treat this entry as if it doesn't exist */
if (test_bit(BTRFS_ORDERED_UPDATED_ISIZE, &test->flags))
continue;
if (test->file_offset + test->len <= disk_i_size)
if (entry_end(test) <= disk_i_size)
break;
if (test->file_offset >= i_size)
break;
if (entry_end(test) > disk_i_size) {
/*
* we don't update disk_i_size now, so record this
* undealt i_size. Or we will not know the real
* i_size.
*/
if (test->outstanding_isize < offset)
test->outstanding_isize = offset;
if (ordered &&
ordered->outstanding_isize >
test->outstanding_isize)
test->outstanding_isize =
ordered->outstanding_isize;
goto out;
}
/*
* We don't update disk_i_size now, so record this undealt
* i_size. Or we will not know the real i_size.
*/
if (test->outstanding_isize < offset)
test->outstanding_isize = offset;
if (ordered &&
ordered->outstanding_isize > test->outstanding_isize)
test->outstanding_isize = ordered->outstanding_isize;
goto out;
}
new_i_size = min_t(u64, offset, i_size);