[PATCH] befs: remove bogus typedef

[pandora-kernel.git] / fs / locks.c

diff --git a/fs/locks.c b/fs/locks.c
index 50cb0a2..e0b6a80 100644 (file)
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -314,13 +314,13 @@ static int flock_to_posix_lock(struct file *filp, struct file_lock *fl,
        off_t start, end;
 
        switch (l->l_whence) {
-       case 0: /*SEEK_SET*/
+       case SEEK_SET:
                start = 0;
                break;
-       case 1: /*SEEK_CUR*/
+       case SEEK_CUR:
                start = filp->f_pos;
                break;
-       case 2: /*SEEK_END*/
+       case SEEK_END:
                start = i_size_read(filp->f_dentry->d_inode);
                break;
        default:
@@ -364,13 +364,13 @@ static int flock64_to_posix_lock(struct file *filp, struct file_lock *fl,
        loff_t start;
 
        switch (l->l_whence) {
-       case 0: /*SEEK_SET*/
+       case SEEK_SET:
                start = 0;
                break;
-       case 1: /*SEEK_CUR*/
+       case SEEK_CUR:
                start = filp->f_pos;
                break;
-       case 2: /*SEEK_END*/
+       case SEEK_END:
                start = i_size_read(filp->f_dentry->d_inode);
                break;
        default:
@@ -739,6 +739,8 @@ static int flock_lock_file(struct file *filp, struct file_lock *request)
        int found = 0;
 
        lock_kernel();
+       if (request->fl_flags & FL_ACCESS)
+               goto find_conflict;
        for_each_lock(inode, before) {
                struct file_lock *fl = *before;
                if (IS_POSIX(fl))
@@ -771,6 +773,7 @@ static int flock_lock_file(struct file *filp, struct file_lock *request)
        if (found)
                cond_resched();
 
+find_conflict:
        for_each_lock(inode, before) {
                struct file_lock *fl = *before;
                if (IS_POSIX(fl))
@@ -784,6 +787,8 @@ static int flock_lock_file(struct file *filp, struct file_lock *request)
                        locks_insert_block(fl, request);
                goto out;
        }
+       if (request->fl_flags & FL_ACCESS)
+               goto out;
        locks_copy_lock(new_fl, request);
        locks_insert_lock(&inode->i_flock, new_fl);
        new_fl = NULL;
@@ -1416,8 +1421,9 @@ static int __setlease(struct file *filp, long arg, struct file_lock **flp)
        if (!leases_enable)
                goto out;
 
-       error = lease_alloc(filp, arg, &fl);
-       if (error)
+       error = -ENOMEM;
+       fl = locks_alloc_lock();
+       if (fl == NULL)
                goto out;
 
        locks_copy_lock(fl, lease);
@@ -1425,6 +1431,7 @@ static int __setlease(struct file *filp, long arg, struct file_lock **flp)
        locks_insert_lock(before, fl);
 
        *flp = fl;
+       error = 0;
 out:
        return error;
 }
@@ -1507,7 +1514,7 @@ int fcntl_setlease(unsigned int fd, struct file *filp, long arg)
                goto out_unlock;
        }
 
-       error = f_setown(filp, current->pid, 0);
+       error = __f_setown(filp, task_pid(current), PIDTYPE_PID, 0);
 out_unlock:
        unlock_kernel();
        return error;