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-rw-r--r--fs/cifs/inode.c19
1 files changed, 17 insertions, 2 deletions
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 583f5e4008c2..49c3ea8aa845 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -2044,6 +2044,7 @@ cifs_rename2(struct inode *source_dir, struct dentry *source_dentry,
FILE_UNIX_BASIC_INFO *info_buf_target;
unsigned int xid;
int rc, tmprc;
+ bool new_target = d_really_is_negative(target_dentry);
if (flags & ~RENAME_NOREPLACE)
return -EINVAL;
@@ -2120,8 +2121,13 @@ cifs_rename2(struct inode *source_dir, struct dentry *source_dentry,
*/
unlink_target:
- /* Try unlinking the target dentry if it's not negative */
- if (d_really_is_positive(target_dentry) && (rc == -EACCES || rc == -EEXIST)) {
+ /*
+ * If the target dentry was created during the rename, try
+ * unlinking it if it's not negative
+ */
+ if (new_target &&
+ d_really_is_positive(target_dentry) &&
+ (rc == -EACCES || rc == -EEXIST)) {
if (d_is_dir(target_dentry))
tmprc = cifs_rmdir(target_dir, target_dentry);
else
@@ -2535,6 +2541,15 @@ set_size_out:
if (rc == 0) {
cifsInode->server_eof = attrs->ia_size;
cifs_setsize(inode, attrs->ia_size);
+
+ /*
+ * The man page of truncate says if the size changed,
+ * then the st_ctime and st_mtime fields for the file
+ * are updated.
+ */
+ attrs->ia_ctime = attrs->ia_mtime = current_time(inode);
+ attrs->ia_valid |= ATTR_CTIME | ATTR_MTIME;
+
cifs_truncate_page(inode->i_mapping, inode->i_size);
}