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vfs: Add name to file handle conversion support

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The syscall also return mount id which can be used
to lookup file system specific information such as uuid
in /proc/<pid>/mountinfo

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Aneesh Kumar K.V
2011-01-29 18:43:26 +05:30
committed by Al Viro
parent f52e0c1130
commit 990d6c2d7a
8 changed files with 139 additions and 2 deletions
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5
include/linux/syscalls.h
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@@ -62,6 +62,7 @@ struct robust_list_head;
struct getcpu_cache;
struct old_linux_dirent;
struct perf_event_attr;
struct file_handle;
#include <linux/types.h>
#include <linux/aio_abi.h>
@@ -832,5 +833,7 @@ asmlinkage long sys_mmap_pgoff(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff);
asmlinkage long sys_old_mmap(struct mmap_arg_struct __user *arg);
asmlinkage long sys_name_to_handle_at(int dfd, const char __user *name,
struct file_handle __user *handle,
int __user *mnt_id, int flag);
#endif