diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/sunrpc/cache.c | 13 | ||||
-rw-r--r-- | net/sunrpc/rpc_pipe.c | 18 |
2 files changed, 25 insertions, 6 deletions
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c index c2173ebdb33c..58de76c8540c 100644 --- a/net/sunrpc/cache.c +++ b/net/sunrpc/cache.c | |||
@@ -34,6 +34,7 @@ | |||
34 | #include <linux/sunrpc/cache.h> | 34 | #include <linux/sunrpc/cache.h> |
35 | #include <linux/sunrpc/stats.h> | 35 | #include <linux/sunrpc/stats.h> |
36 | #include <linux/sunrpc/rpc_pipe_fs.h> | 36 | #include <linux/sunrpc/rpc_pipe_fs.h> |
37 | #include <linux/smp_lock.h> | ||
37 | 38 | ||
38 | #define RPCDBG_FACILITY RPCDBG_CACHE | 39 | #define RPCDBG_FACILITY RPCDBG_CACHE |
39 | 40 | ||
@@ -1545,12 +1546,18 @@ static unsigned int cache_poll_pipefs(struct file *filp, poll_table *wait) | |||
1545 | return cache_poll(filp, wait, cd); | 1546 | return cache_poll(filp, wait, cd); |
1546 | } | 1547 | } |
1547 | 1548 | ||
1548 | static int cache_ioctl_pipefs(struct inode *inode, struct file *filp, | 1549 | static long cache_ioctl_pipefs(struct file *filp, |
1549 | unsigned int cmd, unsigned long arg) | 1550 | unsigned int cmd, unsigned long arg) |
1550 | { | 1551 | { |
1552 | struct inode *inode = filp->f_dentry->d_inode; | ||
1551 | struct cache_detail *cd = RPC_I(inode)->private; | 1553 | struct cache_detail *cd = RPC_I(inode)->private; |
1554 | long ret; | ||
1552 | 1555 | ||
1553 | return cache_ioctl(inode, filp, cmd, arg, cd); | 1556 | lock_kernel(); |
1557 | ret = cache_ioctl(inode, filp, cmd, arg, cd); | ||
1558 | unlock_kernel(); | ||
1559 | |||
1560 | return ret; | ||
1554 | } | 1561 | } |
1555 | 1562 | ||
1556 | static int cache_open_pipefs(struct inode *inode, struct file *filp) | 1563 | static int cache_open_pipefs(struct inode *inode, struct file *filp) |
@@ -1573,7 +1580,7 @@ const struct file_operations cache_file_operations_pipefs = { | |||
1573 | .read = cache_read_pipefs, | 1580 | .read = cache_read_pipefs, |
1574 | .write = cache_write_pipefs, | 1581 | .write = cache_write_pipefs, |
1575 | .poll = cache_poll_pipefs, | 1582 | .poll = cache_poll_pipefs, |
1576 | .ioctl = cache_ioctl_pipefs, /* for FIONREAD */ | 1583 | .unlocked_ioctl = cache_ioctl_pipefs, /* for FIONREAD */ |
1577 | .open = cache_open_pipefs, | 1584 | .open = cache_open_pipefs, |
1578 | .release = cache_release_pipefs, | 1585 | .release = cache_release_pipefs, |
1579 | }; | 1586 | }; |
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c index 20e30c6f8355..95ccbcf45d3e 100644 --- a/net/sunrpc/rpc_pipe.c +++ b/net/sunrpc/rpc_pipe.c | |||
@@ -27,6 +27,7 @@ | |||
27 | #include <linux/workqueue.h> | 27 | #include <linux/workqueue.h> |
28 | #include <linux/sunrpc/rpc_pipe_fs.h> | 28 | #include <linux/sunrpc/rpc_pipe_fs.h> |
29 | #include <linux/sunrpc/cache.h> | 29 | #include <linux/sunrpc/cache.h> |
30 | #include <linux/smp_lock.h> | ||
30 | 31 | ||
31 | static struct vfsmount *rpc_mount __read_mostly; | 32 | static struct vfsmount *rpc_mount __read_mostly; |
32 | static int rpc_mount_count; | 33 | static int rpc_mount_count; |
@@ -309,8 +310,7 @@ rpc_pipe_poll(struct file *filp, struct poll_table_struct *wait) | |||
309 | } | 310 | } |
310 | 311 | ||
311 | static int | 312 | static int |
312 | rpc_pipe_ioctl(struct inode *ino, struct file *filp, | 313 | rpc_pipe_ioctl_unlocked(struct file *filp, unsigned int cmd, unsigned long arg) |
313 | unsigned int cmd, unsigned long arg) | ||
314 | { | 314 | { |
315 | struct rpc_inode *rpci = RPC_I(filp->f_path.dentry->d_inode); | 315 | struct rpc_inode *rpci = RPC_I(filp->f_path.dentry->d_inode); |
316 | int len; | 316 | int len; |
@@ -331,13 +331,25 @@ rpc_pipe_ioctl(struct inode *ino, struct file *filp, | |||
331 | } | 331 | } |
332 | } | 332 | } |
333 | 333 | ||
334 | static long | ||
335 | rpc_pipe_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) | ||
336 | { | ||
337 | long ret; | ||
338 | |||
339 | lock_kernel(); | ||
340 | ret = rpc_pipe_ioctl_unlocked(filp, cmd, arg); | ||
341 | unlock_kernel(); | ||
342 | |||
343 | return ret; | ||
344 | } | ||
345 | |||
334 | static const struct file_operations rpc_pipe_fops = { | 346 | static const struct file_operations rpc_pipe_fops = { |
335 | .owner = THIS_MODULE, | 347 | .owner = THIS_MODULE, |
336 | .llseek = no_llseek, | 348 | .llseek = no_llseek, |
337 | .read = rpc_pipe_read, | 349 | .read = rpc_pipe_read, |
338 | .write = rpc_pipe_write, | 350 | .write = rpc_pipe_write, |
339 | .poll = rpc_pipe_poll, | 351 | .poll = rpc_pipe_poll, |
340 | .ioctl = rpc_pipe_ioctl, | 352 | .unlocked_ioctl = rpc_pipe_ioctl, |
341 | .open = rpc_pipe_open, | 353 | .open = rpc_pipe_open, |
342 | .release = rpc_pipe_release, | 354 | .release = rpc_pipe_release, |
343 | }; | 355 | }; |