X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=fs%2Fceph%2Faddr.c;h=9d23e788d1dfdab235d1edd0f8d1d3e065904e65;hb=ed14ee0eea8b6808025356cecc87a8007885263f;hp=890c50971a690472f6dc795b00fd0bcfbcdf1a39;hpb=527c465a3c8716d93201ae34b7fc52679610596d;p=karo-tx-linux.git

diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 890c50971a69..9d23e788d1df 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -276,7 +276,7 @@ static void finish_read(struct ceph_osd_request *req, struct ceph_msg *msg)
 	for (i = 0; i < num_pages; i++) {
 		struct page *page = osd_data->pages[i];
 
-		if (rc < 0)
+		if (rc < 0 && rc != ENOENT)
 			goto unlock;
 		if (bytes < (int)PAGE_CACHE_SIZE) {
 			/* zero (remainder of) page */
@@ -717,8 +717,10 @@ static int ceph_writepages_start(struct address_space *mapping,
 	     wbc->sync_mode == WB_SYNC_NONE ? "NONE" :
 	     (wbc->sync_mode == WB_SYNC_ALL ? "ALL" : "HOLD"));
 
-	if (fsc->mount_state == CEPH_MOUNT_SHUTDOWN) {
+	if (ACCESS_ONCE(fsc->mount_state) == CEPH_MOUNT_SHUTDOWN) {
 		pr_warn("writepage_start %p on forced umount\n", inode);
+		truncate_pagecache(inode, 0);
+		mapping_set_error(mapping, -EIO);
 		return -EIO; /* we're in a forced umount, don't write! */
 	}
 	if (fsc->mount_options->wsize && fsc->mount_options->wsize < wsize)
@@ -1593,7 +1595,7 @@ out:
 	return err;
 }
 
-static struct vm_operations_struct ceph_vmops = {
+static const struct vm_operations_struct ceph_vmops = {
 	.fault		= ceph_filemap_fault,
 	.page_mkwrite	= ceph_page_mkwrite,
 };