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Commit 96607551 authored by Tao Ma's avatar Tao Ma Committed by Theodore Ts'o
Browse files

ext4: let getattr report the right blocks in delalloc+bigalloc 



In delayed allocation, i_reserved_data_blocks now indicates
clusters, not blocks. So report it in the right number.

This can be easily exposed by the following command:
echo foo > blah; du -hc blah; sync; du -hc blah

Reported-by: default avatarEric Sandeen <sandeen@redhat.com>
Signed-off-by: default avatarTao Ma <boyu.mt@taobao.com>
Signed-off-by: default avatar"Theodore Ts'o" <tytso@mit.edu>
parent f3fc0210

fs/ext4/inode.c

+2 −1
Original line number Original line Diff line number Diff line
@@ -4301,7 +4301,8 @@ int ext4_getattr(struct vfsmount *mnt, struct dentry *dentry, 
	 * will return the blocks that include the delayed allocation

	 * will return the blocks that include the delayed allocation

	 * blocks for this file.

	 * blocks for this file.

	 */

	 */

	delalloc_blocks = EXT4_I(inode)->i_reserved_data_blocks;

	delalloc_blocks = EXT4_C2B(EXT4_SB(inode->i_sb),

				EXT4_I(inode)->i_reserved_data_blocks);





	stat->blocks += (delalloc_blocks << inode->i_sb->s_blocksize_bits)>>9;

	stat->blocks += (delalloc_blocks << inode->i_sb->s_blocksize_bits)>>9;

	return 0;

	return 0;