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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Browse source 
Pull vfs changes from Al Viro.
 "A lot of misc stuff.  The obvious groups:
   * Miklos' atomic_open series; kills the damn abuse of
     ->d_revalidate() by NFS, which was the major stumbling block for
     all work in that area.
   * ripping security_file_mmap() and dealing with deadlocks in the
     area; sanitizing the neighborhood of vm_mmap()/vm_munmap() in
     general.
   * ->encode_fh() switched to saner API; insane fake dentry in
     mm/cleancache.c gone.
   * assorted annotations in fs (endianness, __user)
   * parts of Artem's ->s_dirty work (jff2 and reiserfs parts)
   * ->update_time() work from Josef.
   * other bits and pieces all over the place.

  Normally it would've been in two or three pull requests, but
  signal.git stuff had eaten a lot of time during this cycle ;-/"

Fix up trivial conflicts in Documentation/filesystems/vfs.txt (the
'truncate_range' inode method was removed by the VM changes, the VFS
update adds an 'update_time()' method), and in fs/btrfs/ulist.[ch] (due
to sparse fix added twice, with other changes nearby).

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (95 commits)
  nfs: don't open in ->d_revalidate
  vfs: retry last component if opening stale dentry
  vfs: nameidata_to_filp(): don't throw away file on error
  vfs: nameidata_to_filp(): inline __dentry_open()
  vfs: do_dentry_open(): don't put filp
  vfs: split __dentry_open()
  vfs: do_last() common post lookup
  vfs: do_last(): add audit_inode before open
  vfs: do_last(): only return EISDIR for O_CREAT
  vfs: do_last(): check LOOKUP_DIRECTORY
  vfs: do_last(): make ENOENT exit RCU safe
  vfs: make follow_link check RCU safe
  vfs: do_last(): use inode variable
  vfs: do_last(): inline walk_component()
  vfs: do_last(): make exit RCU safe
  vfs: split do_lookup()
  Btrfs: move over to use ->update_time
  fs: introduce inode operation ->update_time
  reiserfs: get rid of resierfs_sync_super
  reiserfs: mark the superblock as dirty a bit later
  ...
This commit is contained in:
Linus Torvalds 2012-06-01 10:34:35 -07:00
commit 1193755ac6
148 changed files with 1495 additions and 1618 deletions
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33
fs/compat.c
View file

@ -871,12 +871,12 @@ asmlinkage long compat_sys_old_readdir(unsigned int fd,
{
int error;
struct file *file;
int fput_needed;
struct compat_readdir_callback buf;
error = -EBADF;
file = fget(fd);
file = fget_light(fd, &fput_needed);
if (!file)
goto out;
return -EBADF;
buf.result = 0;
buf.dirent = dirent;
@ -885,8 +885,7 @@ asmlinkage long compat_sys_old_readdir(unsigned int fd,
if (buf.result)
error = buf.result;
fput(file);
out:
fput_light(file, fput_needed);
return error;
}
@ -953,16 +952,15 @@ asmlinkage long compat_sys_getdents(unsigned int fd,
struct file * file;
struct compat_linux_dirent __user * lastdirent;
struct compat_getdents_callback buf;
int fput_needed;
int error;
error = -EFAULT;
if (!access_ok(VERIFY_WRITE, dirent, count))
goto out;
return -EFAULT;
error = -EBADF;
file = fget(fd);
file = fget_light(fd, &fput_needed);
if (!file)
goto out;
return -EBADF;
buf.current_dir = dirent;
buf.previous = NULL;
@ -979,8 +977,7 @@ asmlinkage long compat_sys_getdents(unsigned int fd,
else
error = count - buf.count;
}
fput(file);
out:
fput_light(file, fput_needed);
return error;
}
@ -1041,16 +1038,15 @@ asmlinkage long compat_sys_getdents64(unsigned int fd,
struct file * file;
struct linux_dirent64 __user * lastdirent;
struct compat_getdents_callback64 buf;
int fput_needed;
int error;
error = -EFAULT;
if (!access_ok(VERIFY_WRITE, dirent, count))
goto out;
return -EFAULT;
error = -EBADF;
file = fget(fd);
file = fget_light(fd, &fput_needed);
if (!file)
goto out;
return -EBADF;
buf.current_dir = dirent;
buf.previous = NULL;
@ -1068,8 +1064,7 @@ asmlinkage long compat_sys_getdents64(unsigned int fd,
else
error = count - buf.count;
}
fput(file);
out:
fput_light(file, fput_needed);
return error;
}
#endif /* ! __ARCH_OMIT_COMPAT_SYS_GETDENTS64 */