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authorDavid Howells <dhowells@redhat.com>2023-02-23 08:15:38 +0000
committerSteve French <stfrench@microsoft.com>2023-03-01 18:17:16 -0600
commit1907e0fec10c2498729d27550c460528e49abe1e (patch)
tree0fc7365b6a7122a20e7de7ef58f553c1dae5a51f
parentab7362d04d7c14923420c1e19e889da512a65cd7 (diff)
downloadlwn-1907e0fec10c2498729d27550c460528e49abe1e.tar.gz
lwn-1907e0fec10c2498729d27550c460528e49abe1e.zip
cifs: Add some missing xas_retry() calls
The xas_for_each loops added into fs/cifs/file.c need to go round again if indicated by xas_retry(). Fixes: b8713c4dbfa3 ("cifs: Add some helper functions") Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz> cc: Shyam Prasad N <nspmangalore@gmail.com> cc: Rohith Surabattula <rohiths.msft@gmail.com> cc: Tom Talpey <tom@talpey.com> cc: Jeff Layton <jlayton@kernel.org> cc: linux-cifs@vger.kernel.org Signed-off-by: Steve French <stfrench@microsoft.com>
-rw-r--r--fs/cifs/file.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index ebfcaae8c437..879524bf7528 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -52,6 +52,8 @@ static void cifs_undirty_folios(struct inode *inode, loff_t start, unsigned int
end = (start + len - 1) / PAGE_SIZE;
xas_for_each_marked(&xas, folio, end, PAGECACHE_TAG_DIRTY) {
+ if (xas_retry(&xas, folio))
+ continue;
xas_pause(&xas);
rcu_read_unlock();
folio_lock(folio);
@@ -81,6 +83,8 @@ void cifs_pages_written_back(struct inode *inode, loff_t start, unsigned int len
end = (start + len - 1) / PAGE_SIZE;
xas_for_each(&xas, folio, end) {
+ if (xas_retry(&xas, folio))
+ continue;
if (!folio_test_writeback(folio)) {
WARN_ONCE(1, "bad %x @%llx page %lx %lx\n",
len, start, folio_index(folio), end);
@@ -112,6 +116,8 @@ void cifs_pages_write_failed(struct inode *inode, loff_t start, unsigned int len
end = (start + len - 1) / PAGE_SIZE;
xas_for_each(&xas, folio, end) {
+ if (xas_retry(&xas, folio))
+ continue;
if (!folio_test_writeback(folio)) {
WARN_ONCE(1, "bad %x @%llx page %lx %lx\n",
len, start, folio_index(folio), end);