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>

5 files changed, 18 insertions, 18 deletions

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 8126824daccb..b23113926388 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -1408,7 +1408,7 @@ static int idecd_capacity_proc_show(struct seq_file *m, void *v)
 
 static int idecd_capacity_proc_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, idecd_capacity_proc_show, PDE(inode)->data);
+	return single_open(file, idecd_capacity_proc_show, PDE_DATA(inode));
 }
 
 static const struct file_operations idecd_capacity_proc_fops = {
diff --git a/drivers/ide/ide-disk_proc.c b/drivers/ide/ide-disk_proc.c
index 8b570a17bcd9..0d1fae6cba6d 100644
--- a/drivers/ide/ide-disk_proc.c
+++ b/drivers/ide/ide-disk_proc.c
@@ -53,7 +53,7 @@ static int idedisk_cache_proc_show(struct seq_file *m, void *v)
 
 static int idedisk_cache_proc_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, idedisk_cache_proc_show, PDE(inode)->data);
+	return single_open(file, idedisk_cache_proc_show, PDE_DATA(inode));
 }
 
 static const struct file_operations idedisk_cache_proc_fops = {
@@ -74,7 +74,7 @@ static int idedisk_capacity_proc_show(struct seq_file *m, void *v)
 
 static int idedisk_capacity_proc_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, idedisk_capacity_proc_show, PDE(inode)->data);
+	return single_open(file, idedisk_capacity_proc_show, PDE_DATA(inode));
 }
 
 static const struct file_operations idedisk_capacity_proc_fops = {
@@ -115,7 +115,7 @@ static int idedisk_sv_proc_show(struct seq_file *m, void *v)
 
 static int idedisk_sv_proc_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, idedisk_sv_proc_show, PDE(inode)->data);
+	return single_open(file, idedisk_sv_proc_show, PDE_DATA(inode));
 }
 
 static const struct file_operations idedisk_sv_proc_fops = {
@@ -133,7 +133,7 @@ static int idedisk_st_proc_show(struct seq_file *m, void *v)
 
 static int idedisk_st_proc_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, idedisk_st_proc_show, PDE(inode)->data);
+	return single_open(file, idedisk_st_proc_show, PDE_DATA(inode));
 }
 
 static const struct file_operations idedisk_st_proc_fops = {
diff --git a/drivers/ide/ide-floppy_proc.c b/drivers/ide/ide-floppy_proc.c
index 1600720f3e86..e7a25ea757df 100644
--- a/drivers/ide/ide-floppy_proc.c
+++ b/drivers/ide/ide-floppy_proc.c
@@ -15,7 +15,7 @@ static int idefloppy_capacity_proc_show(struct seq_file *m, void *v)
 
 static int idefloppy_capacity_proc_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, idefloppy_capacity_proc_show, PDE(inode)->data);
+	return single_open(file, idefloppy_capacity_proc_show, PDE_DATA(inode));
 }
 
 static const struct file_operations idefloppy_capacity_proc_fops = {
diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c
index 2abcc4790f12..97c070077774 100644
--- a/drivers/ide/ide-proc.c
+++ b/drivers/ide/ide-proc.c
@@ -58,7 +58,7 @@ static int ide_imodel_proc_show(struct seq_file *m, void *v)
 
 static int ide_imodel_proc_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, ide_imodel_proc_show, PDE(inode)->data);
+	return single_open(file, ide_imodel_proc_show, PDE_DATA(inode));
 }
 
 static const struct file_operations ide_imodel_proc_fops = {
@@ -82,7 +82,7 @@ static int ide_mate_proc_show(struct seq_file *m, void *v)
 
 static int ide_mate_proc_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, ide_mate_proc_show, PDE(inode)->data);
+	return single_open(file, ide_mate_proc_show, PDE_DATA(inode));
 }
 
 static const struct file_operations ide_mate_proc_fops = {
@@ -103,7 +103,7 @@ static int ide_channel_proc_show(struct seq_file *m, void *v)
 
 static int ide_channel_proc_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, ide_channel_proc_show, PDE(inode)->data);
+	return single_open(file, ide_channel_proc_show, PDE_DATA(inode));
 }
 
 static const struct file_operations ide_channel_proc_fops = {
@@ -143,7 +143,7 @@ static int ide_identify_proc_show(struct seq_file *m, void *v)
 
 static int ide_identify_proc_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, ide_identify_proc_show, PDE(inode)->data);
+	return single_open(file, ide_identify_proc_show, PDE_DATA(inode));
 }
 
 static const struct file_operations ide_identify_proc_fops = {
@@ -325,7 +325,7 @@ static int ide_settings_proc_show(struct seq_file *m, void *v)
 
 static int ide_settings_proc_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, ide_settings_proc_show, PDE(inode)->data);
+	return single_open(file, ide_settings_proc_show, PDE_DATA(inode));
 }
 
 #define MAX_LEN	30
@@ -333,7 +333,7 @@ static int ide_settings_proc_open(struct inode *inode, struct file *file)
 static ssize_t ide_settings_proc_write(struct file *file, const char __user *buffer,
 				       size_t count, loff_t *pos)
 {
-	ide_drive_t	*drive = (ide_drive_t *) PDE(file_inode(file))->data;
+	ide_drive_t	*drive = PDE_DATA(file_inode(file));
 	char		name[MAX_LEN + 1];
 	int		for_real = 0, mul_factor, div_factor;
 	unsigned long	n;
@@ -474,7 +474,7 @@ static int ide_geometry_proc_show(struct seq_file *m, void *v)
 
 static int ide_geometry_proc_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, ide_geometry_proc_show, PDE(inode)->data);
+	return single_open(file, ide_geometry_proc_show, PDE_DATA(inode));
 }
 
 const struct file_operations ide_geometry_proc_fops = {
@@ -497,7 +497,7 @@ static int ide_dmodel_proc_show(struct seq_file *seq, void *v)
 
 static int ide_dmodel_proc_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, ide_dmodel_proc_show, PDE(inode)->data);
+	return single_open(file, ide_dmodel_proc_show, PDE_DATA(inode));
 }
 
 static const struct file_operations ide_dmodel_proc_fops = {
@@ -525,7 +525,7 @@ static int ide_driver_proc_show(struct seq_file *m, void *v)
 
 static int ide_driver_proc_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, ide_driver_proc_show, PDE(inode)->data);
+	return single_open(file, ide_driver_proc_show, PDE_DATA(inode));
 }
 
 static int ide_replace_subdriver(ide_drive_t *drive, const char *driver)
@@ -558,7 +558,7 @@ static int ide_replace_subdriver(ide_drive_t *drive, const char *driver)
 static ssize_t ide_driver_proc_write(struct file *file, const char __user *buffer,
 				     size_t count, loff_t *pos)
 {
-	ide_drive_t	*drive = (ide_drive_t *) PDE(file_inode(file))->data;
+	ide_drive_t	*drive = PDE_DATA(file_inode(file));
 	char name[32];
 
 	if (!capable(CAP_SYS_ADMIN))
@@ -601,7 +601,7 @@ static int ide_media_proc_show(struct seq_file *m, void *v)
 
 static int ide_media_proc_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, ide_media_proc_show, PDE(inode)->data);
+	return single_open(file, ide_media_proc_show, PDE_DATA(inode));
 }
 
 static const struct file_operations ide_media_proc_fops = {
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index ce8237d36159..89f859591bbb 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -1847,7 +1847,7 @@ static int idetape_name_proc_show(struct seq_file *m, void *v)
 
 static int idetape_name_proc_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, idetape_name_proc_show, PDE(inode)->data);
+	return single_open(file, idetape_name_proc_show, PDE_DATA(inode));
 }
 
 static const struct file_operations idetape_name_proc_fops = {