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File locking related changes for v3.17 (pile #1)

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Merge tag 'locks-v3.17-1' of git://git.samba.org/jlayton/linux

Pull file locking related changes from Jeff Layton:
 "Just a couple of changes from Christoph to start us down the road
  toward getting rid of the fl_owner_t typedef"

* tag 'locks-v3.17-1' of git://git.samba.org/jlayton/linux:
  locks: purge fl_owner_t from fs/locks.c
  locks: typedef fl_owner_t to void *
This commit is contained in:
Linus Torvalds 2014-08-04 10:03:10 -07:00
commit 1bff598860
2 changed files with 14 additions and 14 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

26
fs/locks.c
View file

@ -325,7 +325,7 @@ static int flock_make_lock(struct file *filp, struct file_lock **lock,
return -ENOMEM; return -ENOMEM;
fl->fl_file = filp; fl->fl_file = filp;
fl->fl_owner = (fl_owner_t)filp; fl->fl_owner = filp;
fl->fl_pid = current->tgid; fl->fl_pid = current->tgid;
fl->fl_flags = FL_FLOCK; fl->fl_flags = FL_FLOCK;
fl->fl_type = type; fl->fl_type = type;
@ -431,7 +431,7 @@ static int lease_init(struct file *filp, long type, struct file_lock *fl)
if (assign_type(fl, type) != 0) if (assign_type(fl, type) != 0)
return -EINVAL; return -EINVAL;
fl->fl_owner = (fl_owner_t)current->files; fl->fl_owner = current->files;
fl->fl_pid = current->tgid; fl->fl_pid = current->tgid;
fl->fl_file = filp; fl->fl_file = filp;
@ -1155,7 +1155,6 @@ EXPORT_SYMBOL(posix_lock_file_wait);
int locks_mandatory_locked(struct file *file) int locks_mandatory_locked(struct file *file)
{ {
struct inode *inode = file_inode(file); struct inode *inode = file_inode(file);
fl_owner_t owner = current->files;
struct file_lock *fl; struct file_lock *fl;
/* /*
@ -1165,7 +1164,8 @@ int locks_mandatory_locked(struct file *file)
for (fl = inode->i_flock; fl != NULL; fl = fl->fl_next) { for (fl = inode->i_flock; fl != NULL; fl = fl->fl_next) {
if (!IS_POSIX(fl)) if (!IS_POSIX(fl))
continue; continue;
if (fl->fl_owner != owner && fl->fl_owner != (fl_owner_t)file) if (fl->fl_owner != current->files &&
fl->fl_owner != file)
break; break;
} }
spin_unlock(&inode->i_lock); spin_unlock(&inode->i_lock);
@ -1205,7 +1205,7 @@ int locks_mandatory_area(int read_write, struct inode *inode,
for (;;) { for (;;) {
if (filp) { if (filp) {
fl.fl_owner = (fl_owner_t)filp; fl.fl_owner = filp;
fl.fl_flags &= ~FL_SLEEP; fl.fl_flags &= ~FL_SLEEP;
error = __posix_lock_file(inode, &fl, NULL); error = __posix_lock_file(inode, &fl, NULL);
if (!error) if (!error)
@ -1948,7 +1948,7 @@ int fcntl_getlk(struct file *filp, unsigned int cmd, struct flock __user *l)
cmd = F_GETLK; cmd = F_GETLK;
file_lock.fl_flags |= FL_OFDLCK; file_lock.fl_flags |= FL_OFDLCK;
file_lock.fl_owner = (fl_owner_t)filp; file_lock.fl_owner = filp;
} }
error = vfs_test_lock(filp, &file_lock); error = vfs_test_lock(filp, &file_lock);
@ -2103,7 +2103,7 @@ again:
cmd = F_SETLK; cmd = F_SETLK;
file_lock->fl_flags |= FL_OFDLCK; file_lock->fl_flags |= FL_OFDLCK;
file_lock->fl_owner = (fl_owner_t)filp; file_lock->fl_owner = filp;
break; break;
case F_OFD_SETLKW: case F_OFD_SETLKW:
error = -EINVAL; error = -EINVAL;
@ -2112,7 +2112,7 @@ again:
cmd = F_SETLKW; cmd = F_SETLKW;
file_lock->fl_flags |= FL_OFDLCK; file_lock->fl_flags |= FL_OFDLCK;
file_lock->fl_owner = (fl_owner_t)filp; file_lock->fl_owner = filp;
/* Fallthrough */ /* Fallthrough */
case F_SETLKW: case F_SETLKW:
file_lock->fl_flags |= FL_SLEEP; file_lock->fl_flags |= FL_SLEEP;
@ -2170,7 +2170,7 @@ int fcntl_getlk64(struct file *filp, unsigned int cmd, struct flock64 __user *l)
cmd = F_GETLK64; cmd = F_GETLK64;
file_lock.fl_flags |= FL_OFDLCK; file_lock.fl_flags |= FL_OFDLCK;
file_lock.fl_owner = (fl_owner_t)filp; file_lock.fl_owner = filp;
} }
error = vfs_test_lock(filp, &file_lock); error = vfs_test_lock(filp, &file_lock);
@ -2242,7 +2242,7 @@ again:
cmd = F_SETLK64; cmd = F_SETLK64;
file_lock->fl_flags |= FL_OFDLCK; file_lock->fl_flags |= FL_OFDLCK;
file_lock->fl_owner = (fl_owner_t)filp; file_lock->fl_owner = filp;
break; break;
case F_OFD_SETLKW: case F_OFD_SETLKW:
error = -EINVAL; error = -EINVAL;
@ -2251,7 +2251,7 @@ again:
cmd = F_SETLKW64; cmd = F_SETLKW64;
file_lock->fl_flags |= FL_OFDLCK; file_lock->fl_flags |= FL_OFDLCK;
file_lock->fl_owner = (fl_owner_t)filp; file_lock->fl_owner = filp;
/* Fallthrough */ /* Fallthrough */
case F_SETLKW64: case F_SETLKW64:
file_lock->fl_flags |= FL_SLEEP; file_lock->fl_flags |= FL_SLEEP;
@ -2324,11 +2324,11 @@ void locks_remove_file(struct file *filp)
if (!inode->i_flock) if (!inode->i_flock)
return; return;
locks_remove_posix(filp, (fl_owner_t)filp); locks_remove_posix(filp, filp);
if (filp->f_op->flock) { if (filp->f_op->flock) {
struct file_lock fl = { struct file_lock fl = {
.fl_owner = (fl_owner_t)filp, .fl_owner = filp,
.fl_pid = current->tgid, .fl_pid = current->tgid,
.fl_file = filp, .fl_file = filp,
.fl_flags = FL_FLOCK, .fl_flags = FL_FLOCK,

2
include/linux/fs.h
View file

@ -833,7 +833,7 @@ static inline struct file *get_file(struct file *f)
* *
* Lockd stuffs a "host" pointer into this. * Lockd stuffs a "host" pointer into this.
*/ */
typedef struct files_struct *fl_owner_t; typedef void *fl_owner_t;
struct file_lock_operations { struct file_lock_operations {
void (*fl_copy_lock)(struct file_lock *, struct file_lock *); void (*fl_copy_lock)(struct file_lock *, struct file_lock *);