use-ext4_update_i_disksize-instead-of-opencoded-ones

   1 ext4: use ext4_update_i_disksize instead of opencoded ones
   2
   3 From: Dmitry Monakhov <dmonakhov@openvz.org>
   4
   5 Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
   6 Signed-off-by: Theodore Ts'o <tytso@mit.edu>
   7 ---
   8  fs/ext4/inode.c |    5 +----
   9  1 files changed, 1 insertions(+), 4 deletions(-)
  10
  11 diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
  12 index 367a60c..b3b755b 100644
  13 --- a/fs/ext4/inode.c
  14 +++ b/fs/ext4/inode.c
  15 @@ -2670,10 +2670,7 @@ static int ext4_da_write_end(struct file *file,
  16         if (copied && new_i_size > EXT4_I(inode)->i_disksize) {
  17                 if (ext4_has_inline_data(inode) ||
  18                     ext4_da_should_update_i_disksize(page, end)) {
  19 -                       down_write(&EXT4_I(inode)->i_data_sem);
  20 -                       if (new_i_size > EXT4_I(inode)->i_disksize)
  21 -                               EXT4_I(inode)->i_disksize = new_i_size;
  22 -                       up_write(&EXT4_I(inode)->i_data_sem);
  23 +                       ext4_update_i_disksize(inode, new_i_size);
  24                         /* We need to mark inode dirty even if
  25                          * new_i_size is less that inode->i_size
  26                          * bu greater than i_disksize.(hint delalloc)
  27 --
  28 1.7.1
  29
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