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4ac9137858
This is the central patch of a cleanup series. In most cases there is no good
reason why someone would want to use a dentry for itself. This series reflects
that fact and embeds a struct path into nameidata.
Together with the other patches of this series
- it enforced the correct order of getting/releasing the reference count on
<dentry,vfsmount> pairs
- it prepares the VFS for stacking support since it is essential to have a
struct path in every place where the stack can be traversed
- it reduces the overall code size:
without patch series:
text data bss dec hex filename
5321639 858418 715768 6895825 6938d1 vmlinux
with patch series:
text data bss dec hex filename
5320026 858418 715768
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| .. | ||
| afs.h | ||
| afs_cm.h | ||
| afs_fs.h | ||
| afs_vl.h | ||
| cache.c | ||
| cache.h | ||
| callback.c | ||
| cell.c | ||
| cmservice.c | ||
| dir.c | ||
| file.c | ||
| flock.c | ||
| fsclient.c | ||
| inode.c | ||
| internal.h | ||
| main.c | ||
| Makefile | ||
| misc.c | ||
| mntpt.c | ||
| netdevices.c | ||
| proc.c | ||
| rxrpc.c | ||
| security.c | ||
| server.c | ||
| super.c | ||
| vlclient.c | ||
| vlocation.c | ||
| vnode.c | ||
| volume.c | ||
| write.c | ||