Use invalidate_inode_pages2 that don't leave pages even if shrink_page_list()
has a temp ref on them. It prevents a data coherency problem on exclusive
oplocks opens.
Signed-off-by: Pavel Shilovsky <piastry@xxxxxxxxxxx>
---
fs/cifs/inode.c | 16 +++++++++++-----
1 files changed, 11 insertions(+), 5 deletions(-)
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 589f3e3..0011e95 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -1687,12 +1687,18 @@ cifs_invalidate_mapping(struct inode *inode)
cifs_i->invalid_mapping = false;
- /* write back any cached data */
- if (inode->i_mapping && inode->i_mapping->nrpages != 0) {
- rc = filemap_write_and_wait(inode->i_mapping);
- mapping_set_error(inode->i_mapping, rc);
+ if (inode->i_mapping) {
+ /* write back any cached data */
+ if (inode->i_mapping->nrpages != 0) {
+ rc = filemap_write_and_wait(inode->i_mapping);
+ mapping_set_error(inode->i_mapping, rc);
+ }
+ rc = invalidate_inode_pages2(inode->i_mapping);
+ if (rc)
+ cERROR(1, "%s: could not invalidate inode %p", __func__,
+ inode);
}
- invalidate_remote_inode(inode);
+
cifs_fscache_reset_inode_cookie(inode);
}
--
1.7.1
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