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Message-Id: <1420742065-28423-10-git-send-email-jlayton@primarydata.com>
Date: Thu, 8 Jan 2015 10:34:24 -0800
From: Jeff Layton <jlayton@...marydata.com>
To: linux-fsdevel@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, linux-cifs@...r.kernel.org,
linux-nfs@...r.kernel.org, ceph-devel@...r.kernel.org,
hch@...radead.org
Subject: [PATCH v2 09/10] locks: clean up the lm_change prototype
Now that we use standard list_heads for tracking leases, we can have
lm_change take a pointer to the lease to be modified instead of a
double pointer.
Signed-off-by: Jeff Layton <jlayton@...marydata.com>
---
fs/locks.c | 13 ++++++-------
fs/nfsd/nfs4state.c | 2 +-
include/linux/fs.h | 6 +++---
3 files changed, 10 insertions(+), 11 deletions(-)
diff --git a/fs/locks.c b/fs/locks.c
index 2cded21b99ac..4d8f8fe61823 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -1302,9 +1302,8 @@ static void lease_clear_pending(struct file_lock *fl, int arg)
}
/* We already had a lease on this file; just change its type */
-int lease_modify(struct file_lock **before, int arg, struct list_head *dispose)
+int lease_modify(struct file_lock *fl, int arg, struct list_head *dispose)
{
- struct file_lock *fl = *before;
int error = assign_type(fl, arg);
if (error)
@@ -1345,9 +1344,9 @@ static void time_out_leases(struct inode *inode, struct list_head *dispose)
list_for_each_entry_safe(fl, tmp, &ctx->flc_lease, fl_list) {
trace_time_out_leases(inode, fl);
if (past_time(fl->fl_downgrade_time))
- lease_modify(&fl, F_RDLCK, dispose);
+ lease_modify(fl, F_RDLCK, dispose);
if (past_time(fl->fl_break_time))
- lease_modify(&fl, F_UNLCK, dispose);
+ lease_modify(fl, F_UNLCK, dispose);
}
}
@@ -1661,7 +1660,7 @@ generic_add_lease(struct file *filp, long arg, struct file_lock **flp, void **pr
}
if (my_fl != NULL) {
- error = lease->fl_lmops->lm_change(&my_fl, arg, &dispose);
+ error = lease->fl_lmops->lm_change(my_fl, arg, &dispose);
if (error)
goto out;
goto out_setup;
@@ -1724,7 +1723,7 @@ static int generic_delete_lease(struct file *filp)
}
trace_generic_delete_lease(inode, fl);
if (victim)
- error = fl->fl_lmops->lm_change(&victim, F_UNLCK, &dispose);
+ error = fl->fl_lmops->lm_change(victim, F_UNLCK, &dispose);
spin_unlock(&ctx->flc_lock);
locks_dispose_list(&dispose);
return error;
@@ -2417,7 +2416,7 @@ locks_remove_lease(struct file *filp)
spin_lock(&ctx->flc_lock);
list_for_each_entry_safe(fl, tmp, &ctx->flc_lease, fl_list)
- lease_modify(&fl, F_UNLCK, &dispose);
+ lease_modify(fl, F_UNLCK, &dispose);
spin_unlock(&ctx->flc_lock);
locks_dispose_list(&dispose);
}
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 159a3a79df83..0386c8e16423 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3477,7 +3477,7 @@ nfsd_break_deleg_cb(struct file_lock *fl)
}
static int
-nfsd_change_deleg_cb(struct file_lock **onlist, int arg, struct list_head *dispose)
+nfsd_change_deleg_cb(struct file_lock *onlist, int arg, struct list_head *dispose)
{
if (arg & F_UNLCK)
return lease_modify(onlist, arg, dispose);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index cbf89d9085a5..696b77daa227 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -900,7 +900,7 @@ struct lock_manager_operations {
void (*lm_notify)(struct file_lock *); /* unblock callback */
int (*lm_grant)(struct file_lock *, int);
bool (*lm_break)(struct file_lock *);
- int (*lm_change)(struct file_lock **, int, struct list_head *);
+ int (*lm_change)(struct file_lock *, int, struct list_head *);
void (*lm_setup)(struct file_lock *, void **);
};
@@ -1021,7 +1021,7 @@ extern int __break_lease(struct inode *inode, unsigned int flags, unsigned int t
extern void lease_get_mtime(struct inode *, struct timespec *time);
extern int generic_setlease(struct file *, long, struct file_lock **, void **priv);
extern int vfs_setlease(struct file *, long, struct file_lock **, void **);
-extern int lease_modify(struct file_lock **, int, struct list_head *);
+extern int lease_modify(struct file_lock *, int, struct list_head *);
#else /* !CONFIG_FILE_LOCKING */
static inline int fcntl_getlk(struct file *file, unsigned int cmd,
struct flock __user *user)
@@ -1154,7 +1154,7 @@ static inline int vfs_setlease(struct file *filp, long arg,
return -EINVAL;
}
-static inline int lease_modify(struct file_lock **before, int arg,
+static inline int lease_modify(struct file_lock *fl, int arg,
struct list_head *dispose)
{
return -EINVAL;
--
2.1.0
--
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