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File locking related changes for v3.18 (pile #1)

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Merge tag 'locks-v3.18-1' of git://git.samba.org/jlayton/linux

Pull file locking related changes from Jeff Layton:
 "This release is a little more busy for file locking changes than the
  last:

   - a set of patches from Kinglong Mee to fix the lockowner handling in
     knfsd
   - a pile of cleanups to the internal file lease API.  This should get
     us a bit closer to allowing for setlease methods that can block.

  There are some dependencies between mine and Bruce's trees this cycle,
  and I based my tree on top of the requisite patches in Bruce's tree"

* tag 'locks-v3.18-1' of git://git.samba.org/jlayton/linux: (26 commits)
  locks: fix fcntl_setlease/getlease return when !CONFIG_FILE_LOCKING
  locks: flock_make_lock should return a struct file_lock (or PTR_ERR)
  locks: set fl_owner for leases to filp instead of current->files
  locks: give lm_break a return value
  locks: __break_lease cleanup in preparation of allowing direct removal of leases
  locks: remove i_have_this_lease check from __break_lease
  locks: move freeing of leases outside of i_lock
  locks: move i_lock acquisition into generic_*_lease handlers
  locks: define a lm_setup handler for leases
  locks: plumb a "priv" pointer into the setlease routines
  nfsd: don't keep a pointer to the lease in nfs4_file
  locks: clean up vfs_setlease kerneldoc comments
  locks: generic_delete_lease doesn't need a file_lock at all
  nfsd: fix potential lease memory leak in nfs4_setlease
  locks: close potential race in lease_get_mtime
  security: make security_file_set_fowner, f_setown and __f_setown void return
  locks: consolidate "nolease" routines
  locks: remove lock_may_read and lock_may_write
  lockd: rip out deferred lock handling from testlock codepath
  NFSD: Get reference of lockowner when coping file_lock
  ...
This commit is contained in:
Linus Torvalds 2014-10-11 13:21:34 -04:00
commit ef4a48c513
26 changed files with 354 additions and 488 deletions
Download patch file Download diff file Expand all files Collapse all files

4
security/capability.c
View file

@ -343,9 +343,9 @@ static int cap_file_fcntl(struct file *file, unsigned int cmd,
return 0;
}
static int cap_file_set_fowner(struct file *file)
static void cap_file_set_fowner(struct file *file)
{
return 0;
return;
}
static int cap_file_send_sigiotask(struct task_struct *tsk,

4
security/security.c
View file

@ -775,9 +775,9 @@ int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
return security_ops->file_fcntl(file, cmd, arg);
}
int security_file_set_fowner(struct file *file)
void security_file_set_fowner(struct file *file)
{
return security_ops->file_set_fowner(file);
security_ops->file_set_fowner(file);
}
int security_file_send_sigiotask(struct task_struct *tsk,

4
security/selinux/hooks.c
View file

@ -3346,14 +3346,12 @@ static int selinux_file_fcntl(struct file *file, unsigned int cmd,
return err;
}
static int selinux_file_set_fowner(struct file *file)
static void selinux_file_set_fowner(struct file *file)
{
struct file_security_struct *fsec;
fsec = file->f_security;
fsec->fown_sid = current_sid();
return 0;
}
static int selinux_file_send_sigiotask(struct task_struct *tsk,

3
security/smack/smack_lsm.c
View file

@ -1390,12 +1390,11 @@ static int smack_mmap_file(struct file *file,
* Returns 0
* Further research may be required on this one.
*/
static int smack_file_set_fowner(struct file *file)
static void smack_file_set_fowner(struct file *file)
{
struct smack_known *skp = smk_of_current();
file->f_security = skp->smk_known;
return 0;
}
/**