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ext4: fix comments in ext4_can_extents_be_merged()

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Since commit a9b8241594, we are allowed to merge unwritten extents,
so here these comments are wrong, remove it.

Signed-off-by: Xiaoguang Wang <wangxg.fnst@cn.fujitsu.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Xiaoguang Wang 2015-04-02 16:53:11 -04:00 • committed by Theodore Ts'o
parent 80cfb71e2e
commit 4255c224b9
1 changed files with 0 additions and 6 deletions
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6
fs/ext4/extents.c
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@ -1717,12 +1717,6 @@ ext4_can_extents_be_merged(struct inode *inode, struct ext4_extent *ex1,
{ {
unsigned short ext1_ee_len, ext2_ee_len; unsigned short ext1_ee_len, ext2_ee_len;
/*
* Make sure that both extents are initialized. We don't merge
* unwritten extents so that we can be sure that end_io code has
* the extent that was written properly split out and conversion to
* initialized is trivial.
*/
if (ext4_ext_is_unwritten(ex1) != ext4_ext_is_unwritten(ex2)) if (ext4_ext_is_unwritten(ex1) != ext4_ext_is_unwritten(ex2))
return 0; return 0;