summaryrefslogtreecommitdiff
path: root/fs/nfs/file.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/nfs/file.c')
-rw-r--r--fs/nfs/file.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index af330c31f627..a385d1c3f146 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -631,11 +631,11 @@ ssize_t nfs_file_write(struct kiocb *iocb, struct iov_iter *from)
if (result <= 0)
goto out;
- result = generic_write_sync(iocb, result);
- if (result < 0)
- goto out;
written = result;
iocb->ki_pos += written;
+ result = generic_write_sync(iocb, written);
+ if (result < 0)
+ goto out;
/* Return error values */
if (nfs_need_check_write(file, inode)) {
@@ -744,15 +744,18 @@ do_setlk(struct file *filp, int cmd, struct file_lock *fl, int is_local)
goto out;
/*
- * Revalidate the cache if the server has time stamps granular
- * enough to detect subsecond changes. Otherwise, clear the
- * cache to prevent missing any changes.
+ * Invalidate cache to prevent missing any changes. If
+ * the file is mapped, clear the page cache as well so
+ * those mappings will be loaded.
*
* This makes locking act as a cache coherency point.
*/
nfs_sync_mapping(filp->f_mapping);
- if (!NFS_PROTO(inode)->have_delegation(inode, FMODE_READ))
+ if (!NFS_PROTO(inode)->have_delegation(inode, FMODE_READ)) {
nfs_zap_caches(inode);
+ if (mapping_mapped(filp->f_mapping))
+ nfs_revalidate_mapping(inode, filp->f_mapping);
+ }
out:
return status;
}