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ocfs2/xattr: Fix a bug in xattr allocation estimation

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When we extend one xattr's value to a large size, the old value size might
be smaller than the size of a value root. In those cases, we still need to
guess the metadata allocation.

Reported-by: Tiger Yang <tiger.yang@oracle.com>
Signed-off-by: Tao Ma <tao.ma@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
This commit is contained in:
Tao Ma 2008-11-19 16:48:41 +08:00 committed by Mark Fasheh
parent 53ef99cad9
commit 97aff52ae1
1 changed files with 3 additions and 1 deletions
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4
fs/ocfs2/xattr.c
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@ -2270,6 +2270,7 @@ static int ocfs2_calc_xattr_set_need(struct inode *inode,
value_size);
xv = (struct ocfs2_xattr_value_root *)
(base + name_offset + name_len);
value_size = OCFS2_XATTR_ROOT_SIZE;
} else
xv = &def_xv.xv;
@ -2283,7 +2284,8 @@ static int ocfs2_calc_xattr_set_need(struct inode *inode,
&xv->xr_list,
new_clusters -
old_clusters);
goto out;
if (value_size >= OCFS2_XATTR_ROOT_SIZE)
goto out;
}
} else {
/*