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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2010-05-19 15:08:17 +0200 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2010-05-22 17:44:20 +0200 |
| commit | 9918ff26b301e9a57f25fb12b44a46ad0c1e8f8f (patch) | |
| tree | 1b9795fc5d6e7f085b48d8a3cd853a5668f772d5 /net/sunrpc | |
| parent | 674b604cdd389252d89a14133b6ebf80165d1d55 (diff) | |
| download | lwn-9918ff26b301e9a57f25fb12b44a46ad0c1e8f8f.tar.gz lwn-9918ff26b301e9a57f25fb12b44a46ad0c1e8f8f.zip | |
sunrpc: Pushdown the bkl from sunrpc cache ioctl
Pushdown the bkl to cache_ioctl_pipefs.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Neil Brown <neilb@suse.de>
Cc: Nfs <linux-nfs@vger.kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Kacur <jkacur@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/cache.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c index 39bddba53ba1..91b1adec0d67 100644 --- a/net/sunrpc/cache.c +++ b/net/sunrpc/cache.c @@ -33,6 +33,7 @@ #include <linux/sunrpc/cache.h> #include <linux/sunrpc/stats.h> #include <linux/sunrpc/rpc_pipe_fs.h> +#include <linux/smp_lock.h> #define RPCDBG_FACILITY RPCDBG_CACHE @@ -1525,12 +1526,18 @@ static unsigned int cache_poll_pipefs(struct file *filp, poll_table *wait) return cache_poll(filp, wait, cd); } -static int cache_ioctl_pipefs(struct inode *inode, struct file *filp, +static long cache_ioctl_pipefs(struct file *filp, unsigned int cmd, unsigned long arg) { + struct inode *inode = filp->f_dentry->d_inode; struct cache_detail *cd = RPC_I(inode)->private; + long ret; - return cache_ioctl(inode, filp, cmd, arg, cd); + lock_kernel(); + ret = cache_ioctl(inode, filp, cmd, arg, cd); + unlock_kernel(); + + return ret; } static int cache_open_pipefs(struct inode *inode, struct file *filp) @@ -1553,7 +1560,7 @@ const struct file_operations cache_file_operations_pipefs = { .read = cache_read_pipefs, .write = cache_write_pipefs, .poll = cache_poll_pipefs, - .ioctl = cache_ioctl_pipefs, /* for FIONREAD */ + .unlocked_ioctl = cache_ioctl_pipefs, /* for FIONREAD */ .open = cache_open_pipefs, .release = cache_release_pipefs, }; |