diff options
Diffstat (limited to 'fs/overlayfs/util.c')
| -rw-r--r-- | fs/overlayfs/util.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c index af11c83b7a25..12156e2091ad 100644 --- a/fs/overlayfs/util.c +++ b/fs/overlayfs/util.c @@ -670,6 +670,10 @@ bool ovl_already_copied_up(struct dentry *dentry, int flags) return false; } +/* + * The copy up "transaction" keeps an elevated mnt write count on upper mnt, + * but leaves taking freeze protection on upper sb to lower level helpers. + */ int ovl_copy_up_start(struct dentry *dentry, int flags) { struct inode *inode = d_inode(dentry); @@ -682,7 +686,7 @@ int ovl_copy_up_start(struct dentry *dentry, int flags) if (ovl_already_copied_up_locked(dentry, flags)) err = 1; /* Already copied up */ else - err = ovl_want_write(dentry); + err = ovl_get_write_access(dentry); if (err) goto out_unlock; @@ -695,7 +699,7 @@ out_unlock: void ovl_copy_up_end(struct dentry *dentry) { - ovl_drop_write(dentry); + ovl_put_write_access(dentry); ovl_inode_unlock(d_inode(dentry)); } |