From: Zhang Jingwang <zhangjingwang@xxxxxxxxxxxx>
_prep_new_extent called kref_init to initialize extent's refcount to 1.
After that, we shouldn't call kref_get to increase its refcount, because
this extent is only referenced by the list.
Signed-off-by: Zhang Jingwang <zhangjingwang@xxxxxxxxxxxx>
Acked-by: Fred Isaman <iisaman@xxxxxxxxxxxxxx>
Signed-off-by: Benny Halevy <bhalevy@xxxxxxxxxxx>
---
fs/nfs/blocklayout/extents.c | 3 ---
1 files changed, 0 insertions(+), 3 deletions(-)
diff --git a/fs/nfs/blocklayout/extents.c b/fs/nfs/blocklayout/extents.c
index 288a38a..4722899 100644
--- a/fs/nfs/blocklayout/extents.c
+++ b/fs/nfs/blocklayout/extents.c
@@ -868,7 +868,6 @@ set_to_rw(struct pnfs_block_layout *bl, u64 offset, u64 length)
offset - be->be_f_offset,
PNFS_BLOCK_INVALID_DATA);
children[i++] = e1;
- kref_get(&e1->be_refcnt);
print_bl_extent(e1);
} else
merge1 = e1;
@@ -876,7 +875,6 @@ set_to_rw(struct pnfs_block_layout *bl, u64 offset, u64 length)
min(length, be->be_f_offset + be->be_length - offset),
PNFS_BLOCK_READWRITE_DATA);
children[i++] = e2;
- kref_get(&e2->be_refcnt);
print_bl_extent(e2);
if (offset + length < be->be_f_offset + be->be_length) {
_prep_new_extent(e3, be, e2->be_f_offset + e2->be_length,
@@ -884,7 +882,6 @@ set_to_rw(struct pnfs_block_layout *bl, u64 offset, u64 length)
offset - length,
PNFS_BLOCK_INVALID_DATA);
children[i++] = e3;
- kref_get(&e3->be_refcnt);
print_bl_extent(e3);
} else
merge2 = e3;
--
1.7.4.1
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