summaryrefslogtreecommitdiffstats
path: root/fs
diff options
context:
space:
mode:
Diffstat (limited to 'fs')
-rw-r--r--fs/autofs4/root.c22
-rw-r--r--fs/coda/pioctl.c76
-rw-r--r--fs/coda/psdev.c5
-rw-r--r--fs/hfsplus/dir.c2
-rw-r--r--fs/hfsplus/hfsplus_fs.h3
-rw-r--r--fs/hfsplus/inode.c2
-rw-r--r--fs/hfsplus/ioctl.c12
-rw-r--r--fs/ncpfs/dir.c2
-rw-r--r--fs/ncpfs/file.c2
-rw-r--r--fs/ncpfs/ioctl.c27
-rw-r--r--fs/smbfs/dir.c2
-rw-r--r--fs/smbfs/file.c2
-rw-r--r--fs/smbfs/ioctl.c10
-rw-r--r--fs/smbfs/proto.h2
14 files changed, 100 insertions, 69 deletions
diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index e8e5e63ac950..db4117ed7803 100644
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -18,13 +18,14 @@
#include <linux/slab.h>
#include <linux/param.h>
#include <linux/time.h>
+#include <linux/smp_lock.h>
#include "autofs_i.h"
static int autofs4_dir_symlink(struct inode *,struct dentry *,const char *);
static int autofs4_dir_unlink(struct inode *,struct dentry *);
static int autofs4_dir_rmdir(struct inode *,struct dentry *);
static int autofs4_dir_mkdir(struct inode *,struct dentry *,int);
-static int autofs4_root_ioctl(struct inode *, struct file *,unsigned int,unsigned long);
+static long autofs4_root_ioctl(struct file *,unsigned int,unsigned long);
static int autofs4_dir_open(struct inode *inode, struct file *file);
static struct dentry *autofs4_lookup(struct inode *,struct dentry *, struct nameidata *);
static void *autofs4_follow_link(struct dentry *, struct nameidata *);
@@ -38,7 +39,7 @@ const struct file_operations autofs4_root_operations = {
.read = generic_read_dir,
.readdir = dcache_readdir,
.llseek = dcache_dir_lseek,
- .ioctl = autofs4_root_ioctl,
+ .unlocked_ioctl = autofs4_root_ioctl,
};
const struct file_operations autofs4_dir_operations = {
@@ -902,8 +903,8 @@ int is_autofs4_dentry(struct dentry *dentry)
* ioctl()'s on the root directory is the chief method for the daemon to
* generate kernel reactions
*/
-static int autofs4_root_ioctl(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+static int autofs4_root_ioctl_unlocked(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg)
{
struct autofs_sb_info *sbi = autofs4_sbi(inode->i_sb);
void __user *p = (void __user *)arg;
@@ -947,3 +948,16 @@ static int autofs4_root_ioctl(struct inode *inode, struct file *filp,
return -ENOSYS;
}
}
+
+static long autofs4_root_ioctl(struct file *filp,
+ unsigned int cmd, unsigned long arg)
+{
+ long ret;
+ struct inode *inode = filp->f_dentry->d_inode;
+
+ lock_kernel();
+ ret = autofs4_root_ioctl_unlocked(inode, filp, cmd, arg);
+ unlock_kernel();
+
+ return ret;
+}
diff --git a/fs/coda/pioctl.c b/fs/coda/pioctl.c
index 773f2ce9aa06..ca25d96d45c9 100644
--- a/fs/coda/pioctl.c
+++ b/fs/coda/pioctl.c
@@ -1,6 +1,6 @@
/*
* Pioctl operations for Coda.
- * Original version: (C) 1996 Peter Braam
+ * Original version: (C) 1996 Peter Braam
* Rewritten for Linux 2.1: (C) 1997 Carnegie Mellon University
*
* Carnegie Mellon encourages users of this code to contribute improvements
@@ -23,21 +23,22 @@
#include <linux/coda_fs_i.h>
#include <linux/coda_psdev.h>
+#include <linux/smp_lock.h>
+
/* pioctl ops */
static int coda_ioctl_permission(struct inode *inode, int mask);
-static int coda_pioctl(struct inode * inode, struct file * filp,
- unsigned int cmd, unsigned long user_data);
+static long coda_pioctl(struct file *filp, unsigned int cmd,
+ unsigned long user_data);
/* exported from this file */
-const struct inode_operations coda_ioctl_inode_operations =
-{
+const struct inode_operations coda_ioctl_inode_operations = {
.permission = coda_ioctl_permission,
.setattr = coda_setattr,
};
const struct file_operations coda_ioctl_operations = {
.owner = THIS_MODULE,
- .ioctl = coda_pioctl,
+ .unlocked_ioctl = coda_pioctl,
};
/* the coda pioctl inode ops */
@@ -46,48 +47,53 @@ static int coda_ioctl_permission(struct inode *inode, int mask)
return (mask & MAY_EXEC) ? -EACCES : 0;
}
-static int coda_pioctl(struct inode * inode, struct file * filp,
- unsigned int cmd, unsigned long user_data)
+static long coda_pioctl(struct file *filp, unsigned int cmd,
+ unsigned long user_data)
{
struct path path;
- int error;
+ int error;
struct PioctlData data;
- struct inode *target_inode = NULL;
- struct coda_inode_info *cnp;
+ struct inode *inode = filp->f_dentry->d_inode;
+ struct inode *target_inode = NULL;
+ struct coda_inode_info *cnp;
- /* get the Pioctl data arguments from user space */
- if (copy_from_user(&data, (void __user *)user_data, sizeof(data))) {
- return -EINVAL;
- }
-
- /*
- * Look up the pathname. Note that the pathname is in
- * user memory, and namei takes care of this
- */
- if (data.follow) {
- error = user_path(data.path, &path);
- } else {
- error = user_lpath(data.path, &path);
+ lock_kernel();
+
+ /* get the Pioctl data arguments from user space */
+ if (copy_from_user(&data, (void __user *)user_data, sizeof(data))) {
+ error = -EINVAL;
+ goto out;
}
-
- if ( error ) {
- return error;
- } else {
+
+ /*
+ * Look up the pathname. Note that the pathname is in
+ * user memory, and namei takes care of this
+ */
+ if (data.follow)
+ error = user_path(data.path, &path);
+ else
+ error = user_lpath(data.path, &path);
+
+ if (error)
+ goto out;
+ else
target_inode = path.dentry->d_inode;
- }
-
+
/* return if it is not a Coda inode */
- if ( target_inode->i_sb != inode->i_sb ) {
+ if (target_inode->i_sb != inode->i_sb) {
path_put(&path);
- return -EINVAL;
+ error = -EINVAL;
+ goto out;
}
/* now proceed to make the upcall */
- cnp = ITOC(target_inode);
+ cnp = ITOC(target_inode);
error = venus_pioctl(inode->i_sb, &(cnp->c_fid), cmd, &data);
path_put(&path);
- return error;
-}
+out:
+ unlock_kernel();
+ return error;
+}
diff --git a/fs/coda/psdev.c b/fs/coda/psdev.c
index be4392ca2098..66b9cf79c5ba 100644
--- a/fs/coda/psdev.c
+++ b/fs/coda/psdev.c
@@ -73,8 +73,7 @@ static unsigned int coda_psdev_poll(struct file *file, poll_table * wait)
return mask;
}
-static int coda_psdev_ioctl(struct inode * inode, struct file * filp,
- unsigned int cmd, unsigned long arg)
+static long coda_psdev_ioctl(struct file * filp, unsigned int cmd, unsigned long arg)
{
unsigned int data;
@@ -344,7 +343,7 @@ static const struct file_operations coda_psdev_fops = {
.read = coda_psdev_read,
.write = coda_psdev_write,
.poll = coda_psdev_poll,
- .ioctl = coda_psdev_ioctl,
+ .unlocked_ioctl = coda_psdev_ioctl,
.open = coda_psdev_open,
.release = coda_psdev_release,
};
diff --git a/fs/hfsplus/dir.c b/fs/hfsplus/dir.c
index 5f4023678251..764fd1bdca88 100644
--- a/fs/hfsplus/dir.c
+++ b/fs/hfsplus/dir.c
@@ -494,7 +494,7 @@ const struct inode_operations hfsplus_dir_inode_operations = {
const struct file_operations hfsplus_dir_operations = {
.read = generic_read_dir,
.readdir = hfsplus_readdir,
- .ioctl = hfsplus_ioctl,
+ .unlocked_ioctl = hfsplus_ioctl,
.llseek = generic_file_llseek,
.release = hfsplus_dir_release,
};
diff --git a/fs/hfsplus/hfsplus_fs.h b/fs/hfsplus/hfsplus_fs.h
index 5c10d803d9df..6505c30ad965 100644
--- a/fs/hfsplus/hfsplus_fs.h
+++ b/fs/hfsplus/hfsplus_fs.h
@@ -337,8 +337,7 @@ struct inode *hfsplus_new_inode(struct super_block *, int);
void hfsplus_delete_inode(struct inode *);
/* ioctl.c */
-int hfsplus_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg);
+long hfsplus_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
int hfsplus_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags);
ssize_t hfsplus_getxattr(struct dentry *dentry, const char *name,
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index 1bcf597c0562..9bbb82924a22 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -285,7 +285,7 @@ static const struct file_operations hfsplus_file_operations = {
.fsync = file_fsync,
.open = hfsplus_file_open,
.release = hfsplus_file_release,
- .ioctl = hfsplus_ioctl,
+ .unlocked_ioctl = hfsplus_ioctl,
};
struct inode *hfsplus_new_inode(struct super_block *sb, int mode)
diff --git a/fs/hfsplus/ioctl.c b/fs/hfsplus/ioctl.c
index f457d2ca51ab..ac405f099026 100644
--- a/fs/hfsplus/ioctl.c
+++ b/fs/hfsplus/ioctl.c
@@ -17,14 +17,16 @@
#include <linux/mount.h>
#include <linux/sched.h>
#include <linux/xattr.h>
+#include <linux/smp_lock.h>
#include <asm/uaccess.h>
#include "hfsplus_fs.h"
-int hfsplus_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg)
+long hfsplus_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
+ struct inode *inode = filp->f_path.dentry->d_inode;
unsigned int flags;
+ lock_kernel();
switch (cmd) {
case HFSPLUS_IOC_EXT2_GETFLAGS:
flags = 0;
@@ -38,8 +40,10 @@ int hfsplus_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
case HFSPLUS_IOC_EXT2_SETFLAGS: {
int err = 0;
err = mnt_want_write(filp->f_path.mnt);
- if (err)
+ if (err) {
+ unlock_kernel();
return err;
+ }
if (!is_owner_or_cap(inode)) {
err = -EACCES;
@@ -85,9 +89,11 @@ int hfsplus_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
mark_inode_dirty(inode);
setflags_out:
mnt_drop_write(filp->f_path.mnt);
+ unlock_kernel();
return err;
}
default:
+ unlock_kernel();
return -ENOTTY;
}
}
diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c
index 7edfcd4d5e52..92dde6f8d893 100644
--- a/fs/ncpfs/dir.c
+++ b/fs/ncpfs/dir.c
@@ -51,7 +51,7 @@ const struct file_operations ncp_dir_operations =
{
.read = generic_read_dir,
.readdir = ncp_readdir,
- .ioctl = ncp_ioctl,
+ .unlocked_ioctl = ncp_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = ncp_compat_ioctl,
#endif
diff --git a/fs/ncpfs/file.c b/fs/ncpfs/file.c
index 1daabb90e0a5..b93870892892 100644
--- a/fs/ncpfs/file.c
+++ b/fs/ncpfs/file.c
@@ -295,7 +295,7 @@ const struct file_operations ncp_file_operations =
.llseek = ncp_remote_llseek,
.read = ncp_file_read,
.write = ncp_file_write,
- .ioctl = ncp_ioctl,
+ .unlocked_ioctl = ncp_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = ncp_compat_ioctl,
#endif
diff --git a/fs/ncpfs/ioctl.c b/fs/ncpfs/ioctl.c
index 60a5e2864ea8..023c03d02070 100644
--- a/fs/ncpfs/ioctl.c
+++ b/fs/ncpfs/ioctl.c
@@ -20,6 +20,7 @@
#include <linux/smp_lock.h>
#include <linux/vmalloc.h>
#include <linux/sched.h>
+#include <linux/smp_lock.h>
#include <linux/ncp_fs.h>
@@ -261,9 +262,9 @@ ncp_get_charsets(struct ncp_server* server, struct ncp_nls_ioctl __user *arg)
}
#endif /* CONFIG_NCPFS_NLS */
-static int __ncp_ioctl(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+static long __ncp_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
+ struct inode *inode = filp->f_dentry->d_inode;
struct ncp_server *server = NCP_SERVER(inode);
int result;
struct ncp_ioctl_request request;
@@ -841,11 +842,11 @@ static int ncp_ioctl_need_write(unsigned int cmd)
}
}
-int ncp_ioctl(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+long ncp_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
- int ret;
+ long ret;
+ lock_kernel();
if (ncp_ioctl_need_write(cmd)) {
/*
* inside the ioctl(), any failures which
@@ -853,24 +854,28 @@ int ncp_ioctl(struct inode *inode, struct file *filp,
* -EACCESS, so it seems consistent to keep
* that here.
*/
- if (mnt_want_write(filp->f_path.mnt))
- return -EACCES;
+ if (mnt_want_write(filp->f_path.mnt)) {
+ ret = -EACCES;
+ goto out;
+ }
}
- ret = __ncp_ioctl(inode, filp, cmd, arg);
+ ret = __ncp_ioctl(filp, cmd, arg);
if (ncp_ioctl_need_write(cmd))
mnt_drop_write(filp->f_path.mnt);
+
+out:
+ unlock_kernel();
return ret;
}
#ifdef CONFIG_COMPAT
long ncp_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
- struct inode *inode = file->f_path.dentry->d_inode;
- int ret;
+ long ret;
lock_kernel();
arg = (unsigned long) compat_ptr(arg);
- ret = ncp_ioctl(inode, file, cmd, arg);
+ ret = ncp_ioctl(file, cmd, arg);
unlock_kernel();
return ret;
}
diff --git a/fs/smbfs/dir.c b/fs/smbfs/dir.c
index 3e4803b4427e..6c978428892d 100644
--- a/fs/smbfs/dir.c
+++ b/fs/smbfs/dir.c
@@ -39,7 +39,7 @@ const struct file_operations smb_dir_operations =
{
.read = generic_read_dir,
.readdir = smb_readdir,
- .ioctl = smb_ioctl,
+ .unlocked_ioctl = smb_ioctl,
.open = smb_dir_open,
};
diff --git a/fs/smbfs/file.c b/fs/smbfs/file.c
index dbf6548bbf06..84ecf0e43f91 100644
--- a/fs/smbfs/file.c
+++ b/fs/smbfs/file.c
@@ -437,7 +437,7 @@ const struct file_operations smb_file_operations =
.aio_read = smb_file_aio_read,
.write = do_sync_write,
.aio_write = smb_file_aio_write,
- .ioctl = smb_ioctl,
+ .unlocked_ioctl = smb_ioctl,
.mmap = smb_file_mmap,
.open = smb_file_open,
.release = smb_file_release,
diff --git a/fs/smbfs/ioctl.c b/fs/smbfs/ioctl.c
index dbae1f8ea26f..07215312ad39 100644
--- a/fs/smbfs/ioctl.c
+++ b/fs/smbfs/ioctl.c
@@ -13,6 +13,7 @@
#include <linux/time.h>
#include <linux/mm.h>
#include <linux/highuid.h>
+#include <linux/smp_lock.h>
#include <linux/net.h>
#include <linux/smb_fs.h>
@@ -22,14 +23,14 @@
#include "proto.h"
-int
-smb_ioctl(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+long
+smb_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
- struct smb_sb_info *server = server_from_inode(inode);
+ struct smb_sb_info *server = server_from_inode(filp->f_path.dentry->d_inode);
struct smb_conn_opt opt;
int result = -EINVAL;
+ lock_kernel();
switch (cmd) {
uid16_t uid16;
uid_t uid32;
@@ -62,6 +63,7 @@ smb_ioctl(struct inode *inode, struct file *filp,
default:
break;
}
+ unlock_kernel();
return result;
}
diff --git a/fs/smbfs/proto.h b/fs/smbfs/proto.h
index 03f456c1b7d4..05939a6f43e6 100644
--- a/fs/smbfs/proto.h
+++ b/fs/smbfs/proto.h
@@ -67,7 +67,7 @@ extern const struct address_space_operations smb_file_aops;
extern const struct file_operations smb_file_operations;
extern const struct inode_operations smb_file_inode_operations;
/* ioctl.c */
-extern int smb_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg);
+extern long smb_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
/* smbiod.c */
extern void smbiod_wake_up(void);
extern int smbiod_register_server(struct smb_sb_info *server);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 16:25:04 +0000