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ceph: Avoid to propagate the invalid page point

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The variant pagep will still get the invalid page point, although ceph
fails in function ceph_update_writeable_page.

To fix this issue, Assigne the page to pagep until there is no failure
in function ceph_update_writeable_page.

Signed-off-by: Minfei Huang <mnfhuang@gmail.com>
Signed-off-by: Yan, Zheng <zyan@redhat.com>
This commit is contained in:
Minfei Huang 2015-12-19 10:54:59 +08:00 committed by Ilya Dryomov
parent f9cac5ac08
commit 458c4703ae
1 changed files with 0 additions and 1 deletions
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fs/ceph/addr.c
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@ -1149,7 +1149,6 @@ static int ceph_write_begin(struct file *file, struct address_space *mapping,
page = grab_cache_page_write_begin(mapping, index, 0);
if (!page)
return -ENOMEM;
*pagep = page;
dout("write_begin file %p inode %p page %p %d~%d\n", file,
inode, page, (int)pos, (int)len);