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-rw-r--r--fs/gfs2/ops_address.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c
index 4fb743f4e4a..bdf56cf6622 100644
--- a/fs/gfs2/ops_address.c
+++ b/fs/gfs2/ops_address.c
@@ -370,15 +370,17 @@ static int gfs2_prepare_write(struct file *file, struct page *page,
loff_t pos = ((loff_t)page->index << PAGE_CACHE_SHIFT) + from;
loff_t end = ((loff_t)page->index << PAGE_CACHE_SHIFT) + to;
struct gfs2_alloc *al;
+ unsigned int write_len = to - from;
+
gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, GL_ATIME|GL_AOP, &ip->i_gh);
error = gfs2_glock_nq_m_atime(1, &ip->i_gh);
if (error)
goto out_uninit;
- gfs2_write_calc_reserv(ip, to - from, &data_blocks, &ind_blocks);
+ gfs2_write_calc_reserv(ip, write_len, &data_blocks, &ind_blocks);
- error = gfs2_write_alloc_required(ip, pos, from - to, &alloc_required);
+ error = gfs2_write_alloc_required(ip, pos, write_len, &alloc_required);
if (error)
goto out_unlock;