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| author | Al Viro <viro@zeniv.linux.org.uk> | 2013-04-01 00:16:14 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-04-09 20:13:32 +0200 |
| commit | d9dda78bad879595d8c4220a067fc029d6484a16 (patch) | |
| tree | 376c47ed566b719009e753e917104b150a639b11 /arch/ia64/kernel/salinfo.c | |
| parent | last_radio_log: switch to proc_create() (diff) | |
| download | linux-d9dda78bad879595d8c4220a067fc029d6484a16.tar.xz linux-d9dda78bad879595d8c4220a067fc029d6484a16.zip | |
procfs: new helper - PDE_DATA(inode)
The only part of proc_dir_entry the code outside of fs/proc
really cares about is PDE(inode)->data. Provide a helper
for that; static inline for now, eventually will be moved
to fs/proc, along with the knowledge of struct proc_dir_entry
layout.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/ia64/kernel/salinfo.c')
| -rw-r--r-- | arch/ia64/kernel/salinfo.c | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c index aa527d7e91f2..a97d75b9c5ec 100644 --- a/arch/ia64/kernel/salinfo.c +++ b/arch/ia64/kernel/salinfo.c @@ -301,9 +301,7 @@ salinfo_event_open(struct inode *inode, struct file *file) static ssize_t salinfo_event_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) { - struct inode *inode = file_inode(file); - struct proc_dir_entry *entry = PDE(inode); - struct salinfo_data *data = entry->data; + struct salinfo_data *data = PDE_DATA(file_inode(file)); char cmd[32]; size_t size; int i, n, cpu = -1; @@ -360,8 +358,7 @@ static const struct file_operations salinfo_event_fops = { static int salinfo_log_open(struct inode *inode, struct file *file) { - struct proc_dir_entry *entry = PDE(inode); - struct salinfo_data *data = entry->data; + struct salinfo_data *data = PDE_DATA(inode); if (!capable(CAP_SYS_ADMIN)) return -EPERM; @@ -386,8 +383,7 @@ salinfo_log_open(struct inode *inode, struct file *file) static int salinfo_log_release(struct inode *inode, struct file *file) { - struct proc_dir_entry *entry = PDE(inode); - struct salinfo_data *data = entry->data; + struct salinfo_data *data = PDE_DATA(inode); if (data->state == STATE_NO_DATA) { vfree(data->log_buffer); @@ -463,9 +459,7 @@ retry: static ssize_t salinfo_log_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) { - struct inode *inode = file_inode(file); - struct proc_dir_entry *entry = PDE(inode); - struct salinfo_data *data = entry->data; + struct salinfo_data *data = PDE_DATA(file_inode(file)); u8 *buf; u64 bufsize; @@ -524,9 +518,7 @@ salinfo_log_clear(struct salinfo_data *data, int cpu) static ssize_t salinfo_log_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) { - struct inode *inode = file_inode(file); - struct proc_dir_entry *entry = PDE(inode); - struct salinfo_data *data = entry->data; + struct salinfo_data *data = PDE_DATA(file_inode(file)); char cmd[32]; size_t size; u32 offset; |