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authorJ. Bruce Fields <bfields@redhat.com>2011-07-26 16:28:29 -0400
committerJ. Bruce Fields <bfields@redhat.com>2011-08-19 13:25:34 -0400
commit710b7216964d6455cf1b215c43b03a1a79008c7d (patch)
treeb0b356e3256ba52838a6373c4791721820d8fdaa /fs/locks.c
parentab83fa4b49a54e6199b076b7d8c1808144e80f0d (diff)
downloadvexpress-lsk-710b7216964d6455cf1b215c43b03a1a79008c7d.tar.gz
locks: move F_INPROGRESS from fl_type to fl_flags field
F_INPROGRESS isn't exposed to userspace. To me it makes more sense in fl_flags.... Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/locks.c')
-rw-r--r--fs/locks.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/fs/locks.c b/fs/locks.c
index c528522862b..c4215418bca 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -135,7 +135,7 @@
static bool lease_breaking(struct file_lock *fl)
{
- return fl->fl_type & F_INPROGRESS;
+ return fl->fl_flags & FL_INPROGRESS;
}
int leases_enable = 1;
@@ -1132,6 +1132,7 @@ int lease_modify(struct file_lock **before, int arg)
if (error)
return error;
+ fl->fl_flags &= ~FL_INPROGRESS;
locks_wake_up_blocks(fl);
if (arg == F_UNLCK)
locks_delete_lock(before);
@@ -1152,7 +1153,7 @@ static void time_out_leases(struct inode *inode)
before = &fl->fl_next;
continue;
}
- lease_modify(before, fl->fl_type & ~F_INPROGRESS);
+ lease_modify(before, fl->fl_type);
if (fl == *before) /* lease_modify may have freed fl */
before = &fl->fl_next;
}
@@ -1193,13 +1194,13 @@ int __break_lease(struct inode *inode, unsigned int mode)
if (want_write) {
/* If we want write access, we have to revoke any lease. */
- future = F_UNLCK | F_INPROGRESS;
+ future = F_UNLCK;
} else if (lease_breaking(flock)) {
/* If the lease is already being broken, we just leave it */
future = flock->fl_type;
} else if (flock->fl_type & F_WRLCK) {
/* Downgrade the exclusive lease to a read-only lease. */
- future = F_RDLCK | F_INPROGRESS;
+ future = F_RDLCK;
} else {
/* the existing lease was read-only, so we can read too. */
goto out;
@@ -1221,6 +1222,7 @@ int __break_lease(struct inode *inode, unsigned int mode)
for (fl = flock; fl && IS_LEASE(fl); fl = fl->fl_next) {
if (fl->fl_type != future) {
fl->fl_type = future;
+ fl->fl_flags |= FL_INPROGRESS;
fl->fl_break_time = break_time;
/* lease must have lmops break callback */
fl->fl_lmops->lm_break(fl);
@@ -1319,7 +1321,7 @@ int fcntl_getlease(struct file *filp)
for (fl = filp->f_path.dentry->d_inode->i_flock; fl && IS_LEASE(fl);
fl = fl->fl_next) {
if (fl->fl_file == filp) {
- type = fl->fl_type & ~F_INPROGRESS;
+ type = fl->fl_type;
break;
}
}
@@ -1384,7 +1386,7 @@ int generic_setlease(struct file *filp, long arg, struct file_lock **flp)
before = &fl->fl_next) {
if (fl->fl_file == filp)
my_before = before;
- else if (fl->fl_type == (F_INPROGRESS | F_UNLCK))
+ else if ((fl->fl_type == F_UNLCK) && lease_breaking(fl))
/*
* Someone is in the process of opening this
* file for writing so we may not take an