HACK: 9P: always use cached inode to fill in v9fs_vfs_getattr

So that if in cache=none mode, we don't have to lookup server that might not support open-unlink-fstat operation. Signed-off-by: Peng Tao <[email protected]>
clearcontainers · Dec 20, 2017 · a8d60a8 · a8d60a8
1 parent 6484041
commit a8d60a8
Show file tree

Hide file tree

Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
@@ -1067,7 +1067,7 @@ v9fs_vfs_getattr(struct vfsmount *mnt, struct dentry *dentry,
 
 	p9_debug(P9_DEBUG_VFS, "dentry: %p\n", dentry);
 	v9ses = v9fs_dentry2v9ses(dentry);
-	if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) {
+	if (!d_really_is_negative(dentry) || v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) {
 		generic_fillattr(d_inode(dentry), stat);
 		return 0;
 	}

diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
@@ -477,7 +477,7 @@ v9fs_vfs_getattr_dotl(struct vfsmount *mnt, struct dentry *dentry,
 
 	p9_debug(P9_DEBUG_VFS, "dentry: %p\n", dentry);
 	v9ses = v9fs_dentry2v9ses(dentry);
-	if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) {
+	if (!d_really_is_negative(dentry) || v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) {
 		generic_fillattr(d_inode(dentry), stat);
 		return 0;
 	}