luck/tmp_suning_uos_patched
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ext4: improve free space calculation for inline_data

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In ext4 feature inline_data,it use the xattr's space to store the
inline data in inode.When we calculate the inline data as the xattr,we
add the pad.But in get_max_inline_xattr_value_size() function we count
the free space without pad.It cause some contents are moved to a block
even if it can be
stored in the inode.

Signed-off-by: liulei <lewis.liulei@huawei.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reviewed-by: Tao Ma <boyu.mt@taobao.com>
This commit is contained in:
boxi liu 2013-07-01 08:12:37 -04:00 committed by Theodore Ts'o
parent e7c96e8e47
commit c4932dbe63
1 changed files with 1 additions and 1 deletions
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fs/ext4/inline.c
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@ -72,7 +72,7 @@ static int get_max_inline_xattr_value_size(struct inode *inode,
entry = (struct ext4_xattr_entry *)
((void *)raw_inode + EXT4_I(inode)->i_inline_off);
free += le32_to_cpu(entry->e_value_size);
free += EXT4_XATTR_SIZE(le32_to_cpu(entry->e_value_size));
goto out;
}