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| author | Yan, Zheng <zheng.z.yan@intel.com> | 2014-07-02 10:13:00 +0800 |
|---|---|---|
| committer | Ilya Dryomov <ilya.dryomov@inktank.com> | 2014-07-08 15:08:47 +0400 |
| commit | 5aaa432ad9ecbfb6587f241747ac1d4a8f10e7e7 (patch) | |
| tree | bd4863bda94cbb94f6fb6a271aa991ec669471ed | |
| parent | c5c9a0bf1b03112d606edaab15f18e892e8b55af (diff) | |
| download | op-kernel-dev-5aaa432ad9ecbfb6587f241747ac1d4a8f10e7e7.zip op-kernel-dev-5aaa432ad9ecbfb6587f241747ac1d4a8f10e7e7.tar.gz | |
ceph: pass proper page offset to copy_page_to_iter()
Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
| -rw-r--r-- | fs/ceph/file.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 19af25d..fec9ddc 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -470,8 +470,11 @@ static ssize_t ceph_sync_read(struct kiocb *iocb, struct iov_iter *i, size_t left = ret; while (left) { - int copy = min_t(size_t, PAGE_SIZE, left); - l = copy_page_to_iter(pages[k++], 0, copy, i); + size_t page_off = off & ~PAGE_MASK; + size_t copy = min_t(size_t, + PAGE_SIZE - page_off, left); + l = copy_page_to_iter(pages[k++], page_off, + copy, i); off += l; left -= l; if (l < copy) |
