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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| .. | ||
| au1000 | ||
| basler/excite | ||
| bcm47xx | ||
| boot | ||
| cobalt | ||
| configs | ||
| dec | ||
| emma2rh | ||
| fw | ||
| gt64120/wrppmc | ||
| jazz | ||
| jmr3927 | ||
| kernel | ||
| lasat | ||
| lemote/lm2e | ||
| lib | ||
| math-emu | ||
| mips-boards | ||
| mipssim | ||
| mm | ||
| oprofile | ||
| pci | ||
| philips/pnx8550 | ||
| pmc-sierra | ||
| sgi-ip22 | ||
| sgi-ip27 | ||
| sgi-ip32 | ||
| sibyte | ||
| sni | ||
| tx4927 | ||
| tx4938 | ||
| vr41xx | ||
| defconfig | ||
| Kconfig | ||
| Kconfig.debug | ||
| Makefile | ||