Checkpoint/restart of file-owner. Add uid, euid parameters to f_modown(). These parameters will be needed when restarting an application (and hence restoring the file information), from a checkpoint image.
Signed-off-by: Sukadev Bhattiprolu <[email protected]> --- fs/fcntl.c | 11 +++++------ 1 files changed, 5 insertions(+), 6 deletions(-) diff --git a/fs/fcntl.c b/fs/fcntl.c index 2079af0..aeab1f4 100644 --- a/fs/fcntl.c +++ b/fs/fcntl.c @@ -197,7 +197,7 @@ static int setfl(int fd, struct file * filp, unsigned long arg) } static void f_modown(struct file *filp, struct pid *pid, enum pid_type type, - int force) + uid_t uid, uid_t euid, int force) { write_lock_irq(&filp->f_owner.lock); if (force || !filp->f_owner.pid) { @@ -206,9 +206,8 @@ static void f_modown(struct file *filp, struct pid *pid, enum pid_type type, filp->f_owner.pid_type = type; if (pid) { - const struct cred *cred = current_cred(); - filp->f_owner.uid = cred->uid; - filp->f_owner.euid = cred->euid; + filp->f_owner.uid = uid; + filp->f_owner.euid = euid; } } write_unlock_irq(&filp->f_owner.lock); @@ -223,7 +222,7 @@ int __f_setown(struct file *filp, struct pid *pid, enum pid_type type, if (err) return err; - f_modown(filp, pid, type, force); + f_modown(filp, pid, type, current_uid(), current_euid(), force); return 0; } EXPORT_SYMBOL(__f_setown); @@ -249,7 +248,7 @@ EXPORT_SYMBOL(f_setown); void f_delown(struct file *filp) { - f_modown(filp, NULL, PIDTYPE_PID, 1); + f_modown(filp, NULL, PIDTYPE_PID, current_uid(), current_euid(), 1); } pid_t f_getown(struct file *filp) -- 1.6.0.4 _______________________________________________ Containers mailing list [email protected] https://lists.linux-foundation.org/mailman/listinfo/containers _______________________________________________ Devel mailing list [email protected] https://openvz.org/mailman/listinfo/devel
