ext4: fix the comment in ext4_ext_insert_extent for ext4_ext_try_to_merge in extents.c

The left and right extents merge is done by
ext4_ext_try_to_merge. No specific left/right
fun calls any more.

Signed-off-by Wang Sheng-Hui <[email protected]>

---
 fs/ext4/extents.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

fs/ext4/extents.c +1 -4

index 5207b7b..6c2a37d 100644
@@ -1891,12 +1891,10 @@ has_space:
        nearex->ee_len = newext->ee_len;
 
 merge:
-       /* try to merge extents to the right */
+       /* try to merge extents to the neighbours */
        if (!(flag & EXT4_GET_BLOCKS_PRE_IO))
                ext4_ext_try_to_merge(inode, path, nearex);
 
-       /* try to merge extents to the left */
-
        /* time to correct all indexes above */
        err = ext4_ext_correct_indexes(handle, inode, path);
        if (err)
--

1.7.1

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Hi Sheng-Hui,

It seems that there has a patch to fix it.
http://www.spinics.net/lists/linux-ext4/msg32611.html

Regards,
Zheng

Quoted 30 lines

The left and right extents merge is done by
ext4_ext_try_to_merge. No specific left/right
fun calls any more.

Signed-off-by Wang Sheng-Hui <[email protected]>

---
 fs/ext4/extents.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

fs/ext4/extents.c +1 -4

index 5207b7b..6c2a37d 100644
@@ -1891,12 +1891,10 @@ has_space:
        nearex->ee_len = newext->ee_len;
 
 merge:
-       /* try to merge extents to the right */
+       /* try to merge extents to the neighbours */
        if (!(flag & EXT4_GET_BLOCKS_PRE_IO))
                ext4_ext_try_to_merge(inode, path, nearex);
 
-       /* try to merge extents to the left */
-
        /* time to correct all indexes above */
        err = ext4_ext_correct_indexes(handle, inode, path);
        if (err)
--

1.7.1

Quoted 4 lines

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