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052b398a43
Pull vfs updates from Al Viro:
"In this pile: pathname resolution rewrite.
- recursion in link_path_walk() is gone.
- nesting limits on symlinks are gone (the only limit remaining is
that the total amount of symlinks is no more than 40, no matter how
nested).
- "fast" (inline) symlinks are handled without leaving rcuwalk mode.
- stack footprint (independent of the nesting) is below kilobyte now,
about on par with what it used to be with one level of nested
symlinks and ~2.8 times lower than it used to be in the worst case.
- struct nameidata is entirely private to fs/namei.c now (not even
opaque pointers are being passed around).
- ->follow_link() and ->put_link() calling conventions had been
changed; all in-tree filesystems converted, out-of-tree should be
able to follow reasonably easily.
For out-of-tree conversions, see Documentation/filesystems/porting
for details (and in-tree filesystems for examples of conversion).
That has sat in -next since mid-May, seems to survive all testing
without regressions and merges clean with v4.1"
* 'for-linus-1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (131 commits)
turn user_{path_at,path,lpath,path_dir}() into static inlines
namei: move saved_nd pointer into struct nameidata
inline user_path_create()
inline user_path_parent()
namei: trim do_last() arguments
namei: stash dfd and name into nameidata
namei: fold path_cleanup() into terminate_walk()
namei: saner calling conventions for filename_parentat()
namei: saner calling conventions for filename_create()
namei: shift nameidata down into filename_parentat()
namei: make filename_lookup() reject ERR_PTR() passed as name
namei: shift nameidata inside filename_lookup()
namei: move putname() call into filename_lookup()
namei: pass the struct path to store the result down into path_lookupat()
namei: uninline set_root{,_rcu}()
namei: be careful with mountpoint crossings in follow_dotdot_rcu()
Documentation: remove outdated information from automount-support.txt
get rid of assorted nameidata-related debris
lustre: kill unused helper
lustre: kill unused macro (LOOKUP_CONTINUE)
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| android | ||
| board | ||
| clocking-wizard | ||
| comedi | ||
| dgap | ||
| dgnc | ||
| emxx_udc | ||
| fbtft | ||
| fsl-mc | ||
| ft1000 | ||
| fwserial | ||
| gdm72xx | ||
| gdm724x | ||
| goldfish | ||
| gs_fpgaboot | ||
| i2o | ||
| iio | ||
| lustre | ||
| media | ||
| mt29f_spinand | ||
| netlogic | ||
| nvec | ||
| octeon | ||
| octeon-usb | ||
| olpc_dcon | ||
| ozwpan | ||
| panel | ||
| rtl8188eu | ||
| rtl8192e | ||
| rtl8192u | ||
| rtl8712 | ||
| rtl8723au | ||
| rts5208 | ||
| skein | ||
| slicoss | ||
| sm7xxfb | ||
| sm750fb | ||
| speakup | ||
| ste_rmi4 | ||
| unisys | ||
| vme | ||
| vt6655 | ||
| vt6656 | ||
| wlan-ng | ||
| xgifb | ||
| Kconfig | ||
| Makefile | ||
| staging.c | ||