diff options
-rw-r--r-- | fs/nfs/nfs4filelayout.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/fs/nfs/nfs4filelayout.c b/fs/nfs/nfs4filelayout.c index a62d36b9a99e..71ec08617e23 100644 --- a/fs/nfs/nfs4filelayout.c +++ b/fs/nfs/nfs4filelayout.c | |||
@@ -49,13 +49,14 @@ filelayout_get_dense_offset(struct nfs4_filelayout_segment *flseg, | |||
49 | loff_t offset) | 49 | loff_t offset) |
50 | { | 50 | { |
51 | u32 stripe_width = flseg->stripe_unit * flseg->dsaddr->stripe_count; | 51 | u32 stripe_width = flseg->stripe_unit * flseg->dsaddr->stripe_count; |
52 | u64 tmp; | 52 | u64 stripe_no; |
53 | u32 rem; | ||
53 | 54 | ||
54 | offset -= flseg->pattern_offset; | 55 | offset -= flseg->pattern_offset; |
55 | tmp = offset; | 56 | stripe_no = div_u64(offset, stripe_width); |
56 | do_div(tmp, stripe_width); | 57 | div_u64_rem(offset, flseg->stripe_unit, &rem); |
57 | 58 | ||
58 | return tmp * flseg->stripe_unit + do_div(offset, flseg->stripe_unit); | 59 | return stripe_no * flseg->stripe_unit + rem; |
59 | } | 60 | } |
60 | 61 | ||
61 | /* This function is used by the layout driver to calculate the | 62 | /* This function is used by the layout driver to calculate the |