The description of this flag says "Don't sync attributes with the server".
In other words: always use the attributes cached in the kernel and don't
send network or local messages to refresh the attributes.

Signed-off-by: Miklos Szeredi <[email protected]>
Cc: Eric Van Hensbergen <[email protected]>
Cc: Ron Minnich <[email protected]>
Cc: Latchesar Ionkov <[email protected]>
---
 fs/9p/vfs_inode.c      | 4 +++-
 fs/9p/vfs_inode_dotl.c | 3 ++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 2a5de610dd8f..0a7063f12c0b 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -1065,7 +1065,9 @@ v9fs_vfs_getattr(const struct path *path, struct kstat 
*stat,
 
        p9_debug(P9_DEBUG_VFS, "dentry: %p\n", dentry);
        v9ses = v9fs_dentry2v9ses(dentry);
-       if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) {
+
+       if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE ||
+           (flags & AT_STATX_DONT_SYNC)) {
                generic_fillattr(d_inode(dentry), stat);
                return 0;
        }
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index 70f9887c59a9..92bf43981a0d 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -478,7 +478,8 @@ v9fs_vfs_getattr_dotl(const struct path *path, struct kstat 
*stat,
 
        p9_debug(P9_DEBUG_VFS, "dentry: %p\n", dentry);
        v9ses = v9fs_dentry2v9ses(dentry);
-       if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) {
+       if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE ||
+           (flags & AT_STATX_DONT_SYNC)) {
                generic_fillattr(d_inode(dentry), stat);
                return 0;
        }
-- 
2.5.5

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