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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-04 14:03:05 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-04 14:03:05 -0700 |
| commit | 7df934526c0b3775613502dcd19ab6d2da8cce1e (patch) | |
| tree | 01e6a4ea20c676228f4acefc6ae776d2e52072db /arch | |
| parent | 3c83e61e67256e0bb08c46cc2db43b58fd617251 (diff) | |
| parent | bd42998a6bcb9b1708dac9ca9876e3d304c16f3d (diff) | |
Merge branch 'cross-rename' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull renameat2 system call from Miklos Szeredi:
"This adds a new syscall, renameat2(), which is the same as renameat()
but with a flags argument.
The purpose of extending rename is to add cross-rename, a symmetric
variant of rename, which exchanges the two files. This allows
interesting things, which were not possible before, for example
atomically replacing a directory tree with a symlink, etc... This
also allows overlayfs and friends to operate on whiteouts atomically.
Andy Lutomirski also suggested a "noreplace" flag, which disables the
overwriting behavior of rename.
These two flags, RENAME_EXCHANGE and RENAME_NOREPLACE are only
implemented for ext4 as an example and for testing"
* 'cross-rename' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
ext4: add cross rename support
ext4: rename: split out helper functions
ext4: rename: move EMLINK check up
ext4: rename: create ext4_renament structure for local vars
vfs: add cross-rename
vfs: lock_two_nondirectories: allow directory args
security: add flags to rename hooks
vfs: add RENAME_NOREPLACE flag
vfs: add renameat2 syscall
vfs: rename: use common code for dir and non-dir
vfs: rename: move d_move() up
vfs: add d_is_dir()
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/syscalls/syscall_64.tbl | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/syscalls/syscall_64.tbl b/arch/x86/syscalls/syscall_64.tbl index a12bddc7cce..04376ac3d9e 100644 --- a/arch/x86/syscalls/syscall_64.tbl +++ b/arch/x86/syscalls/syscall_64.tbl @@ -322,6 +322,7 @@ 313 common finit_module sys_finit_module 314 common sched_setattr sys_sched_setattr 315 common sched_getattr sys_sched_getattr +316 common renameat2 sys_renameat2 # # x32-specific system call numbers start at 512 to avoid cache impact |