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| author | Al Viro <viro@zeniv.linux.org.uk> | 2013-03-31 18:16:14 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-04-09 14:13:32 -0400 |
| commit | d9dda78bad879595d8c4220a067fc029d6484a16 (patch) | |
| tree | 376c47ed566b719009e753e917104b150a639b11 /arch/powerpc/platforms/pseries/scanlog.c | |
| parent | 8510e30b46cd5467b2f930bef68a276dbc2c7d7c (diff) | |
| download | lwn-d9dda78bad879595d8c4220a067fc029d6484a16.tar.gz lwn-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/powerpc/platforms/pseries/scanlog.c')
| -rw-r--r-- | arch/powerpc/platforms/pseries/scanlog.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/arch/powerpc/platforms/pseries/scanlog.c b/arch/powerpc/platforms/pseries/scanlog.c index 47f3cda2a68b..cc220d2061b2 100644 --- a/arch/powerpc/platforms/pseries/scanlog.c +++ b/arch/powerpc/platforms/pseries/scanlog.c @@ -46,8 +46,7 @@ static struct proc_dir_entry *proc_ppc64_scan_log_dump; /* The proc file */ static ssize_t scanlog_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { - struct proc_dir_entry *dp = PDE(file_inode(file)); - unsigned int *data = (unsigned int *)dp->data; + unsigned int *data = PDE_DATA(file_inode(file)); int status; unsigned long len, off; unsigned int wait_time; @@ -135,8 +134,7 @@ static ssize_t scanlog_write(struct file * file, const char __user * buf, static int scanlog_open(struct inode * inode, struct file * file) { - struct proc_dir_entry *dp = PDE(inode); - unsigned int *data = (unsigned int *)dp->data; + unsigned int *data = PDE_DATA(file_inode(file)); if (data[0] != 0) { /* This imperfect test stops a second copy of the @@ -152,8 +150,7 @@ static int scanlog_open(struct inode * inode, struct file * file) static int scanlog_release(struct inode * inode, struct file * file) { - struct proc_dir_entry *dp = PDE(inode); - unsigned int *data = (unsigned int *)dp->data; + unsigned int *data = PDE_DATA(file_inode(file)); data[0] = 0; |