4 files changed, 14 insertions, 6 deletions

diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 8c233834591f..e6ba579e2937 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -1597,7 +1597,7 @@ static void fuse_setattr_fill(struct fuse_conn *fc, struct fuse_req *req,
 /*
  * Flush inode->i_mtime to the server
  */
-int fuse_flush_mtime(struct inode *inode, struct fuse_file *ff)
+int fuse_flush_times(struct inode *inode, struct fuse_file *ff)
 {
         struct fuse_conn *fc = get_fuse_conn(inode);
         struct fuse_req *req;
@@ -1612,9 +1612,14 @@ int fuse_flush_mtime(struct inode *inode, struct fuse_file *ff)
         memset(&inarg, 0, sizeof(inarg));
         memset(&outarg, 0, sizeof(outarg));
 
-        inarg.valid |= FATTR_MTIME;
+        inarg.valid = FATTR_MTIME;
         inarg.mtime = inode->i_mtime.tv_sec;
         inarg.mtimensec = inode->i_mtime.tv_nsec;
+        if (fc->minor >= 23) {
+                inarg.valid |= FATTR_CTIME;
+                inarg.ctime = inode->i_ctime.tv_sec;
+                inarg.ctimensec = inode->i_ctime.tv_nsec;
+        }
         if (ff) {
                 inarg.valid |= FATTR_FH;
                 inarg.fh = ff->fh;
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index d228c3962ffd..96d513e01a5d 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1691,7 +1691,7 @@ int fuse_write_inode(struct inode *inode, struct writeback_control *wbc)
         int err;
 
         ff = __fuse_write_file_get(fc, fi);
-        err = fuse_flush_mtime(inode, ff);
+        err = fuse_flush_times(inode, ff);
         if (ff)
                 fuse_file_put(ff, 0);
 
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index d2f10054b9a1..40677e33504f 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -889,7 +889,7 @@ int fuse_dev_release(struct inode *inode, struct file *file);
 
 bool fuse_write_update_size(struct inode *inode, loff_t pos);
 
-int fuse_flush_mtime(struct inode *inode, struct fuse_file *ff);
+int fuse_flush_times(struct inode *inode, struct fuse_file *ff);
 int fuse_write_inode(struct inode *inode, struct writeback_control *wbc);
 
 int fuse_do_setattr(struct inode *inode, struct iattr *attr,
diff --git a/include/uapi/linux/fuse.h b/include/uapi/linux/fuse.h
index d1b4e2ca9672..e86a21acef75 100644
--- a/include/uapi/linux/fuse.h
+++ b/include/uapi/linux/fuse.h
@@ -98,6 +98,8 @@
  *  - add FUSE_WRITEBACK_CACHE
  *  - add time_gran to fuse_init_out
  *  - add reserved space to fuse_init_out
+ *  - add FATTR_CTIME
+ *  - add ctime and ctimensec to fuse_setattr_in
  */
 
 #ifndef _LINUX_FUSE_H
@@ -193,6 +195,7 @@ struct fuse_file_lock {
 #define FATTR_ATIME_NOW (1 << 7)
 #define FATTR_MTIME_NOW (1 << 8)
 #define FATTR_LOCKOWNER (1 << 9)
+#define FATTR_CTIME     (1 << 10)
 
 /**
  * Flags returned by the OPEN request
@@ -440,10 +443,10 @@ struct fuse_setattr_in {
         uint64_t        lock_owner;
         uint64_t        atime;
         uint64_t        mtime;
-        uint64_t        unused2;
+        uint64_t        ctime;
         uint32_t        atimensec;
         uint32_t        mtimensec;
-        uint32_t        unused3;
+        uint32_t        ctimensec;
         uint32_t        mode;
         uint32_t        unused4;
         uint32_t        uid;