ext4: iterate over buffer heads correctly in move_extent_per_page()
authorEryu Guan <guaneryu@gmail.com>
Sun, 21 Feb 2016 23:38:44 +0000 (18:38 -0500)
committerTheodore Ts'o <tytso@mit.edu>
Thu, 10 Mar 2016 02:37:53 +0000 (21:37 -0500)
commit6ffe77bad545f4a7c8edd2a4ee797ccfcd894ab4
tree842dcd9b2f4a8d82df26d11e9c22779ec7b9894d
parent1e9d180ba39f42e8ca4a808baef3a3ef034b1c2c
ext4: iterate over buffer heads correctly in move_extent_per_page()

In commit bcff24887d00 ("ext4: don't read blocks from disk after extents
being swapped") bh is not updated correctly in the for loop and wrong
data has been written to disk. generic/324 catches this on sub-page
block size ext4.

Fixes: bcff24887d00 ("ext4: don't read blocks from disk after extentsbeing swapped")
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
fs/ext4/move_extent.c