task IO accounting: provide distinct tgid/tid I/O statistics

[sfrench/cifs-2.6.git] / fs / inotify_user.c

diff --git a/fs/inotify_user.c b/fs/inotify_user.c
index 6676c06bb7c16935b3a7fbc4615836f1dfb256fb..fe79c25d95dc9c630649aec8485b784bbb34d49c 100644 (file)
--- a/fs/inotify_user.c
+++ b/fs/inotify_user.c
@@ -566,7 +566,7 @@ static const struct inotify_operations inotify_user_ops = {
        .destroy_watch  = free_inotify_user_watch,
 };
 
-asmlinkage long sys_inotify_init(void)
+asmlinkage long sys_inotify_init1(int flags)
 {
        struct inotify_device *dev;
        struct inotify_handle *ih;
@@ -574,7 +574,14 @@ asmlinkage long sys_inotify_init(void)
        struct file *filp;
        int fd, ret;
 
-       fd = get_unused_fd();
+       /* Check the IN_* constants for consistency.  */
+       BUILD_BUG_ON(IN_CLOEXEC != O_CLOEXEC);
+       BUILD_BUG_ON(IN_NONBLOCK != O_NONBLOCK);
+
+       if (flags & ~(IN_CLOEXEC | IN_NONBLOCK))
+               return -EINVAL;
+
+       fd = get_unused_fd_flags(flags & O_CLOEXEC);
        if (fd < 0)
                return fd;
 
@@ -610,7 +617,7 @@ asmlinkage long sys_inotify_init(void)
        filp->f_path.dentry = dget(inotify_mnt->mnt_root);
        filp->f_mapping = filp->f_path.dentry->d_inode->i_mapping;
        filp->f_mode = FMODE_READ;
-       filp->f_flags = O_RDONLY;
+       filp->f_flags = O_RDONLY | (flags & O_NONBLOCK);
        filp->private_data = dev;
 
        INIT_LIST_HEAD(&dev->events);
@@ -638,6 +645,11 @@ out_put_fd:
        return ret;
 }
 
+asmlinkage long sys_inotify_init(void)
+{
+       return sys_inotify_init1(0);
+}
+
 asmlinkage long sys_inotify_add_watch(int fd, const char __user *path, u32 mask)
 {
        struct inode *inode;