We only use the file struct pointer to obtain the nfs_open_context (or the
inode for v2/v3), so just pass that instead. This allows us to use the
lock procedure without a reference to a struct file which may not be
available while releasing locks after a file close.
Signed-off-by: Benjamin Coddington <bcodding@xxxxxxxxxx>
---
fs/nfs/file.c | 9 ++++++---
fs/nfs/nfs3proc.c | 4 ++--
fs/nfs/nfs4proc.c | 4 +---
fs/nfs/proc.c | 4 ++--
include/linux/nfs_xdr.h | 2 +-
5 files changed, 12 insertions(+), 11 deletions(-)
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 1e4804b..5dec0fb 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -711,6 +711,7 @@ static int
do_getlk(struct file *filp, int cmd, struct file_lock *fl, int is_local)
{
struct inode *inode = filp->f_mapping->host;
+ struct nfs_open_context *ctx = nfs_file_open_context(filp);
int status = 0;
unsigned int saved_type = fl->fl_type;
@@ -728,7 +729,7 @@ do_getlk(struct file *filp, int cmd, struct file_lock *fl, int is_local)
if (is_local)
goto out_noconflict;
- status = NFS_PROTO(inode)->lock(filp, cmd, fl);
+ status = NFS_PROTO(inode)->lock(ctx, cmd, fl);
out:
return status;
out_noconflict:
@@ -745,6 +746,7 @@ static int
do_unlk(struct file *filp, int cmd, struct file_lock *fl, int is_local)
{
struct inode *inode = filp->f_mapping->host;
+ struct nfs_open_context *ctx = nfs_file_open_context(filp);
struct nfs_lock_context *l_ctx;
int status;
@@ -771,7 +773,7 @@ do_unlk(struct file *filp, int cmd, struct file_lock *fl, int is_local)
* "-olocal_lock="
*/
if (!is_local)
- status = NFS_PROTO(inode)->lock(filp, cmd, fl);
+ status = NFS_PROTO(inode)->lock(ctx, cmd, fl);
else
status = do_vfs_lock(filp, fl);
return status;
@@ -786,6 +788,7 @@ static int
do_setlk(struct file *filp, int cmd, struct file_lock *fl, int is_local)
{
struct inode *inode = filp->f_mapping->host;
+ struct nfs_open_context *ctx = nfs_file_open_context(filp);
int status;
/*
@@ -801,7 +804,7 @@ do_setlk(struct file *filp, int cmd, struct file_lock *fl, int is_local)
* "-olocal_lock="
*/
if (!is_local)
- status = NFS_PROTO(inode)->lock(filp, cmd, fl);
+ status = NFS_PROTO(inode)->lock(ctx, cmd, fl);
else
status = do_vfs_lock(filp, fl);
if (status < 0)
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index cb28cce..a10e147 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -866,9 +866,9 @@ static void nfs3_proc_commit_setup(struct nfs_commit_data *data, struct rpc_mess
}
static int
-nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl)
+nfs3_proc_lock(struct nfs_open_context *ctx, int cmd, struct file_lock *fl)
{
- struct inode *inode = file_inode(filp);
+ struct inode *inode = d_inode(ctx->dentry);
return nlmclnt_proc(NFS_SERVER(inode)->nlm_host, cmd, fl);
}
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 05ea1e1..784ba4e 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -6097,15 +6097,13 @@ static int nfs4_proc_setlk(struct nfs4_state *state, int cmd, struct file_lock *
}
static int
-nfs4_proc_lock(struct file *filp, int cmd, struct file_lock *request)
+nfs4_proc_lock(struct nfs_open_context *ctx, int cmd, struct file_lock *request)
{
- struct nfs_open_context *ctx;
struct nfs4_state *state;
unsigned long timeout = NFS4_LOCK_MINTIMEOUT;
int status;
/* verify open state */
- ctx = nfs_file_open_context(filp);
state = ctx->state;
if (IS_GETLK(cmd)) {
diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c
index b417bbc..185deb9 100644
--- a/fs/nfs/proc.c
+++ b/fs/nfs/proc.c
@@ -634,9 +634,9 @@ nfs_proc_commit_setup(struct nfs_commit_data *data, struct rpc_message *msg)
}
static int
-nfs_proc_lock(struct file *filp, int cmd, struct file_lock *fl)
+nfs_proc_lock(struct nfs_open_context *ctx, int cmd, struct file_lock *fl)
{
- struct inode *inode = file_inode(filp);
+ struct inode *inode = d_inode(ctx->dentry);
return nlmclnt_proc(NFS_SERVER(inode)->nlm_host, cmd, fl);
}
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 11bbae4..58c4682 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -1555,7 +1555,7 @@ struct nfs_rpc_ops {
void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *);
void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *);
int (*commit_done) (struct rpc_task *, struct nfs_commit_data *);
- int (*lock)(struct file *, int, struct file_lock *);
+ int (*lock)(struct nfs_open_context *, int, struct file_lock *);
int (*lock_check_bounds)(const struct file_lock *);
void (*clear_acl_cache)(struct inode *);
void (*close_context)(struct nfs_open_context *ctx, int);
--
1.7.1
--
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